A STUDY OF PRODUCTION CONTROL SYSTEMS IN SMALL PLANTS Thesis for the Degree of M. S. MICHIGAN STATE COLLEGE Clare J. Rawson 1948 This is to certify that the thesis entitled A Study of Production Control Systems in arm Plants \ presented by Clare James Benson has been accepted towards fulfillment of the requirements for , I. 8. degree in Mechanical Engineering Major professor Dam November 24, 1948 H" ~" , V 3) his ’. F‘QT . " ‘, \- _‘ ' a xii-,3 3:11;“;3 "s' 1““ if. N. ‘ . ‘ . xv" 1* v, ‘5 3.9: ' A '. I ' I .5‘.‘ p g. 3. L ff. v? .0 \' ‘ '7.” - 3" fil . 4 1 d .T L f. vu- ‘I u - l r“ .‘| o "- ' fit I 5*" \ ". 1 ~ , A STUDY OF PRODUCTION CONTROL SYSTiMS IN SHALL PLANTS BY Clare J. Rawson A THESIS Submitted to the School of Graduate Studies of Michigan State College of Agriculture and Applied Science in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE Department of Mechanical Engineering 1948 Ill; ‘ILLC Db C’EI C1“? PLALNIHG F‘R PRODUCTICN Company "A" . . Explanation of Company "B" Explanation of Company "C" . Explanation of Company "D" Explanation of Company "E" . . Explanation of Recommended Procedure TC- PRC-DU CTICI‘I PnCDUCTICN the THE FORKATICN OF A RECCIIENDED TABLE OF CCNILKIS w PUTTING PLANS IKTC ACTION . . L CCLTROL SYSTELS NCH I procedure CCKTRCL . . chart (urn mifiir 01D 1.1m; . . for . . for . . for . . for . . for . . . . Explanation of the recommended procedure . . o :31. 7903 o o o o o e o o o o "A" o e "3 II o 0 "Cu 0 o "D II o o "E" O O o o o c H. P. IETRCDUCTICN TC PRCDUCTICN CCITRCL Production control is, in its broadest sense, the control of the quantity of material and parts in the manufacturing of a finished product. Production control regulates the flow of material in the most orderly fashion as production progresses from the raw material to the finished product. It takes the orders as sent in by cus- tomers and translates them into production orders. It sends them .through the plant at a rate and sequence that makes it possible for the plant to do the work set out for it most easily and with the least amount of confusion. The aims of production control are to produce the right product at the right time, of the right quality and quantity, by the best and least costly method. Good production control means less work in process. This in turn means less stock inventory. Thus, because of rapid turnover, there is less investment in goods which are not returning a rate of interest. If the money invested in excess material were invested elsewhere, greater profits would be made for the organization. Production control adds nothing directly to the value of the pro- duct, but enables greater production at less cost to the company. Production control involves both the planning of the pro- duct and the control of the production of the product. Advance planning is necessary to make a smooth line of production. The pro- duction must be done along the pattern formed by the planning to have an efficient way of producing the finished item. There are many reasons for the need of production control. Often it is thought by some organizations that their production would follow easily without all of the preliminary planning which a true control of production requires. This has been found to be a great falsehood. These companies have found themselves on the verge of bankruptcy before their product has had a fair trial at selling itself to the consumers. In 1850 the main portion of the population of the United States was located in the rural areas. This was shown by the census of that year and it was determined that eighty-seven per cent of the persons residing in this country made their living from agriculture. To contrast this with the portion which were still working on farms after the industrial revolution, the 1950 census indicates that at that time only forty-four per cent of the population lived from.cultivation of soils. The increase of popu- lation and the shift of inhabitants from the farms to the city for work in the factories has made industry what it is today. By this great change, industry has grown until it is what we see now. 'With this increase of industrialization, it is necessary to have a system.of control over production in order that production may be carried on efficiently. Another great cause for the need of production control is the division of labor. In the early days of industry a man would complete a product by himself. Now we see that even the most complicated of all things produced are manufactured by many men 3 doing a very small part of the job and most of them.do not know how to complete even a small sub-assembly of the finished product. Formerly it was the worker's responsibility to perform the work with very simple tools or even by hand. Now many machines are completely automatic and complete a part without changing the setting of the machine. In this transfer of skill from the worker to the machine it has made it possible to use unskilled labor for the most intricate work. With mass production as diversified as it is now, some control of production must take place for the workman only knows that he should do the job set before him until he is told to do another job. As industry progresses in rapidity and economy of produc- tion, a sepcialization is bound to take place. This specializa- tion of labor makes it impossible for a workman to do any more than one job or group of jobs necessary for completion of the product. The material which has been completed by one man must, in turn, be delivered to the man who performs the succeeding job at the time when he is ready to perform the job. This again calls for control of planning and execution of the production orders. It has been shown by practice that it is easier to manu- facture on the mass production basis than it is to produce many different items, all of which require different jobs to be done by the same workman. This has led to a standardization of the products put out by one plant. This is not true of all organiza- tions because of the demand for small quantities of odd lots of * goods. It is true, however, that the companies which produce standard products that are enjoyed by each family, such as the automobile, radio, furniture and many others, have tended to make less and less different types and models. In this effort to re- duce the cost of manufacturing, the trend has been to change only minor things such as color. When production is on such a mass production basis as it is now, it is imperative that the easiest and fastest methods of manufacture are used. In a big organization, each department is so large that it practically constitutes a small plant in itself. If each of these departments is to do its job properly, then some form of coordin- ation must be maintained between them.by a well organized system_ of performance of duties. If no standard for work were available, then it would be impossible to maintain any set incentive pay rates or even a fair wage scale. By maintenance of the proper records for use in determining the scale to be used, both in base wage rates and for an incentive wage system, it is assured that each worker will receive a fair wage for his labor. This averts many disputes over pay systems. Likewise, if proper records were kept of the work being done by each workman and proper planning of each job was to be done, then many disputes over the work done by one person in comparison with another would readily be avoided. There are many other sound reasons for the use of produc- tion control in industry today. Those given are only a few of the major items which led to almost universal adoption of some form of control over production. If one were to investigate the use of production control, they would find that the majority of the smooth and most efficiently operated concerns are the ones which have the best control over their future planning and execution of their present production orders. PLANNING FOR PRODUCTION To set up a system for the control of production which will operate efficiently and smoothly is a very hard, if not impos- sible, job. No matter how good the system looks, the human ele- ment of mistake will influence it at times. No system.can take into account the possibility of machine breakdown and other mechan- ical failures. The first step in planning for production is that of fore- casting for production. Forecasting is the determination of what products to produce and in what quantity, quality, and at what future time to produce them. It can be easily seen that this part in itself is a very difficult task. An experienced business man can make a very close estimate from his experience in market analysis. One of the greatest effects on forecasting is the effect of competition from other concerns which manufacture items that are used for the same purpose. Each year many new items appear on the market. If one of these items is such that it'will outmode the article which is already being produced by a concern, then that organization will have to make adjustments in its production or find itself with a product for which there is no demand. As an example, package design makes a very marked differ- ence in the sale of a product. The package which looks the best quite often sells a competitor's product first. A neatly packaged item will reflect a great deal of the care involved in the manu- facture of the product. At least this is the general impression which is held by the consumer. Improvements in the quality standard of a competitor will very markedly affect the sales of other companies. Quality con- trol is of utmost importance in keeping a product on the market. New methods of manufacture may cause a lowering of the cost of production of an item.and thus enable the company, using the new methods, to lower the price of the item until it might possibly eliminate any sales by other companies. Advertising campaigns for a product may place the name be- fore the eye of the public so that if that product is available they will buy it for its name alone. A sale on the product may have the same effect as advertising. A consumer is induced to buy the competitor's item at the cost of production, or at a very small profit to the manufacturer. After once using the item, it is possible that the consumer will like it to such an extent that he will no longer buy another product. These effects of competition must be taken into considera- tion in determining the quantity and quality of production. If they are not allowed for, then the miscalculation may cause con- siderable loss to the manufacturing concern. The second great effect of the determination of future pro- duction is that of the changes in trend over a period of years. This refers to the taste of the user, and the demand for new and improved articles by the consumer. These may change in a very short time or may extend over a great period of years. At one time the buggy business was considered to be a very sound one, but it has been shown that within a comparatively short period of years the demand for buggies has given way to the automobile. At the present time, the demand for a buggy is so small that only a very few small establishments attempt to make them. As the con- sumer gradually readjusts himself to a new product, the demand for the old product falls off markedly. If a company neglects to take this into consideration, it may find itself making an item for ‘ which there is no demand. This would mean a drastic loss of money and reputation for that concern. The third major effect to view in making a forecast is that of seasonal fluctuation in sales. Some concerns which make purely a seasonal product, or group of products, will build up banks of material for use during the large selling season. It costs a large sum to keep the product in storage until the time for sale. Other companies close during the part of the year during which there is either no material or no demand. This requires that all new personnel be hired each year. The cost of breaking in new help each year and the finding of the seasonal help presents a large problem. A good example of this type of plant is that of a canning factory, where material for canning is obtainable only at a certain time of year. Almost every company is affected somewhat by this increase and decrease at certain times of the year. Dur- ing the spring of the year, more building and construction is started and materials are purchased for that and many other sim- ilar purposes. During the summer, attention is turned more toward vacations and the money normally spent for consumer goods is spent for the vacation. In the fall, the agricultural crops are sold and more money is put into circulation. This causes a slight in- crease in business. Then during the winter a slight recession occurs. This has been proven by a study conducted of normal busi- ness years. In the automobile industry this pattern is followed very closely. Without allowances made for this seasonal variation the cost of storage and the flood of the market can cause a loss in profits. The last big effect on the prediction of future production is that of the business cycle. It is well known that there is a general pattern which business activity follows. Economists have long told of the depressions which follow the boom periods. This again is a highly indeterminate factor. The company should attempt to take this into account when determining its products and production. As can be seen, the production forecast is the large part of the risk of any business. It is on this that success very often hinges. This forecast should be prepared with the utmost care in order to give the business every chance of prospering. The fore- cast should include the possibility of expanding the business to fulfill the amount of production which is indicated by the fore- 10 cast. This will be readily apparent if the amount planned to be produced is in great excess of the past years' average production at full capacity. After the production forecast has been made it is necessary to plan for production. Production planning is the determination of the necessary materials, machines and manpower, through an analysis of the product, to produce a predetermined quantity of a predetermined quality at a predetermined time. Production planning balances the output of the plant with the equipment available for use in production. Quite often, if each machine is not taken into account in determining the capacity of the plant, it will be found that some of the equipment avail- able will not be put to use. It costs the company money every time a machine renains idle. If all of the machines are not busy all of their available time, then another product may be intro- duced for manufacture. Or, if another product is not available, then possibly some sub-contracting may be obtained. This will utilize the machines at all times and will eliminate waste from idleness. If production planning is properly done, then it is pos- sible to reduce the inventory of stock which is in process at one time. This gives a much greater turnover of stock. By this in- creased turnover, a smaller amount of material is required at one time. This will increase the amount of money which can be used for other types of investment which will return a rate of interest. 11 To obtain a smooth, even, rapid flow of work from.the time that the raw material is first brought into the plant to the thne that it leaves the plant as a finished product, it is essential that some system of control is maintained. Idle time, caused by lack of direct control, can mean many lost dollars to the company. These wasted labor costs will sometimes determine the profit of the company if it is one which Operates on a marginal basis. The procedure for planning is much more definite than the procedure for making a production forecast. In planning, more definite things are taken into account. The first thing to do in planning for production is to adapt the product to production. By this it is meant that the product must be broken down to the point that each operation which must be performed is readily seen. Each surface which must be machined must be listed, and a study made to determine whether or not that Operation should be done by the company or if the fin- ished part should be bought. Often the part is sent to a sub- contractor who will do the job. This study should be complete and definite. No loose ends are to be left for future determination. If this happens it is quite possible to overload the machines which are scheduled for that part of the work. This would cause a "bottleneck" in the production of the finished item. The economic lot size must be determined. The economic lot size is the number of units which can be produced at a point in production where the carrying charges plus the preparation costs 12 are at a minimum. The carrying costs are those costs for storage of raw material and storage of the finished product until the en- tire lot is produced. The preparation costs are those costs which occur from the setup and preparation of the machinery for use dur- ing the production of that item.(see Fig. l). Cost per unit i Amount produced Fig. l. The economic lot size is at the point where the preparation costs cross the carrying charges. At this point the total variable charges are the lowest. The facilities of the plant are the next thing to be deter- mined. The master Route Sheet is made which lists the order of the operations which are to be performed on each part. These route sheets are made out for each individual part. They are used in determining the path that the material is to follow in its flow through the plant. The master Route Sheet is used for all of the planning and scheduling of machinery and manpower. It contains 13 the part name, the Operation number, a description of the opera- tion and the type of tools and machines which are to be used for the operations. From the information gained from the production forecast and the planning of production, the material needed for the manufacture is determined. The type, quantity, quality and specifications are all decided upon. The capacity of the plant and its machinery is again taken into consideration for the determination of departments which will ibe responsible for the production of each part or Operation On a part. 'Without this careful check on the facilities at hand, "hold-ups” in production can very easily result. If new machines and processes are available for the produc- tion of the parts needed, then they should be substituted for the ones which were formerly contemplated for use. With industrial processes becoming more automatic each year, it is possible that a new machine would replace several old ones and produce the part at a much reduced cost. New methods of hardening and heat treating are becoming known regularly. The substitution of new processes will improve the efficiency of manufacture greatly. Labor has caused a very great problem.for.management. The reduction of manpower wherever it is possible has caused many of these problems. In order that no excess labor is employed, it is necessary that a survey be made to see if one of the new processes or one of the new machines have replaced the previously required 14 manpower. This is a prOblem which requires a great amount of tact. Nevertheless, if production costs can be cut by reducing manpower where it is not needed, then it is proper that this should be done. It is possible that the increase of production has caused a shortage of productive labor. If this is true, then a survey of the labor market should be made to determine whether the required labor is available. I The preparation of cost estimates is the next item which must be considered. There are two general methods of preparing cost estimates. The first method to be dealt with is the method of using an item which was previously made or is still being made for a purpose similar to the purpose of the product in question. In this comparison it is possible to start from the ground up. If the product has been produced recently, such as a yearly change in the automobile industry, than it is possible to very closely deter- mine the cost of the parts required in the new item. Records will give the necessary information for the computation of the variable costs. The fixed cost will remain approximately the same provided that there has been no great increase or decrease in capital expenditures since the last year. The second general method in use is the one usually used for an entirely new product. If the product has never been in produc- tion before, it presents an entirely new problem. In this method it is nearly impossible to figure to any great exactness. It is considered very good if the calculated cost is within close range 15 of the actual cost of production. Experimentation is the only method that will give accurate results. First the variable costs are calculated. Part of this is done by estimating the labor cost of each operation and totaling the costs for the entire production of the finished product. It is costed from the direct labor stand- point only. The naterials required for each part are totaled up and this gives the material cost. The burden or overhead expense cannot be calculated with any degree of accuracy. Usually it amounts to about two hundred per cent of the direct labor cost. This is a good check on the actual figuring and will give a fairly close approximate. The overhead, direct productive labor, and the cost of materials will give a fair estimate of the cost of pro- ducti on. The next step in the planning of production is to organize the production orders; that is, the setting up of a standard pro- duction order which will definitely identify the work to be done. These orders should be set up so that each job is in its place in the order of production. After the orders are arranged in their prOper sequence, then the master schedule, or General Schedule, is made up. This schedule will cover a period of time ranging from three months to one year. No detail is shown on the schedule. Only what is expected to be made, when it is to be made, and the approximate quantity that will be made is shown on this form. The quantity indicated by it is adhered to as nearly as possible in 16 executing production of the product. From the master Schedule, approximate delivery dates can be determined. This form is then dispatched to the departments of the organization that are to do the work. Two general types of planning are in use today. Planning is done according to the size of the production order. If one plant, or one department of a plant, makes only one item, it is probable that this department will be planned on the basis of a single pro- duct. This is commonly referred to as mass production. The planning for this type of production is comparatively simple, for once it is set up it remains that way through the entire produc- tion of an article. Each machine, once it is prOperly loaded, will produce the same part until a new product is manufactured. This type of planning is called product planning. In a 30b shop, process planning is the only way to meet the demands of certain items to be manufactured. Process planning is routing the parts for their successive operations to different departments which do only one operation or type of Operation. As an example of this, all of the punch presses might be grouped in one department, and when a punch press Operation is required on a part, then the part is sent to that department for that Operation. In the case of a jOb shop, this is the only way to meet all of the needs for producing many different items. Quite often, in the larger job shops it is found that two or three of the items made are made almost continually. This is found 17 particularly in those shOps wnich make parts for larger companies which require a continuous flow of those parts into their plants. In such cases there may be a combination of these two forms of pro- duction planning in effect. The product planniig may be set up in one part of the plant for production of the parts required by other companies at a continuous rate, and another part of the plant may be set up for process manufacture of the items for which there is no continuous demand. Wherever it is possible, it has been the trend to switch to the product planning method. The third major step in the planning for production is that of procurement and storage of materials. In order to Operate effi- ciently, a plant must carry an adequate stock of material for use in production. This stock cannot be too large, or excessive costs of storage will arise. The material to be used must be determined. This varies greatly with the type of article which is to be produced. To make a suitable product it is necessary to meet the demands of the con- sumer. Strength, appearance, durability and many other charac- teristics must be taken into consideration before ordering the material for use in manufacturing. Upon ordering of the material to be used, it is necessary to determine the quantity and quality of the material in order to pur- chase the best suitable goods for the least cost. Engineering Specifications are set up for guidance in ordering. The specifir 18 cations are for use in the vendor company for production of the material to be used as raw material when received at the plant which ordered the goods. The promised date of delivery of the material is one of the major points in choosing the vendor. After determination of the vendor, it is necessary to notify him of the method of shipment. This may make a difference in the availability' of the material to start production, because some systems are faster or cheaper than others. Last of all, it is necessary to follow up the order to see that delivery will be made when promised. The receiving department will receive the material and check it to see that each item.which was shipped from the vendor was re- ceived. It then stores the material until it is needed for pro- duction. The storeroom should be organized for efficient operation. There should be some systematic method of storage. This should be followed closely to facilitate issuance and inventory of material. material should not be issued until proper authorization has been received. The usual method of getting material from storage is to present a Stock Requisition for the stock needed for production. It is recommended that this system be followed so that the mater- ial is not lost or misused. Upon receipt of the Stock Requisition, the material is issued and the amount used is deducted from the quantity on hand. A record of the quantity on hand is most con- veniently kept by use of Bin Tags. These tags are kept on the 19 bins at all times and should not be removed until the stock has been completely exhausted. The fourth main step in the planning for production is routing. Routing is the determination of the operations to be performed, the path of the material in process, the sequence of Operations, as well as the specific machine and the class of worker to be utilized in the manufacture Of the finished product. This is a more detailed determination of the Operations to be performed as listed in the route sheets. Each minute detail is set forth for a particular Operation. The sequence of performance of the Operations is set up and scheduled to the particular type of machine which will perform.the job. The lot sizes are deter- mined for use in production. Sometimes the lot sizes are not the economical lot size. This may be due to a Special order. A smaller or larger lot is then produced. It is also necessary to set up a standard system of forms to be used for the control of the production system. The standard forms should completely carry out the routing of the material and the execution of the produc- tion orders. The number of parts entering the sub-assemblies or the final assembly and the position within the plant upon completion of the parts is an important factor which must be kept in mind while rout- ing the parts through their operations. If a part is finished at one end of the plant and the assembly is at the other, it requires time and money to transport that part to the place where it is to 20 be assembled. The processing necessary may take the part to every division of the shop, but in routing it is necessary to keep the finishing operation on a part as near the assembly workplace as possible. In routing, a major job is to determine the future avail- ability Of the machinery. TOO much work cannot pass through a certain division or it may cause a delay in production. While production is slowed down by these "bottlenecks", many machines and workers will be idle. Each department should be scheduled according to the equipment which is available. Human factors must be considered in routing the material through production. Each man is willing to do as much work as the man next to him, but it often causes hard feelings if one man can loaf all day while the other one works. This cannot be Overlooked in dividing the work between the different departments. The fifth and last step in planning for production is scheduling Of the work. Up to this point the work has only been allotted to a particular type of machine and to a department to which it will be sent for fabrication. Scheduling is arranging Of specific Operations into a time-table which accounts for each indi- vidual machine and workman, so that each Operation may be planned for the part to arrive at and enter into assembly in the proper order and at the proper time. The scheduling has now been done right down to the time for starting and stopping work on a spe- cific job, by a specific machine operated by a specific workman. 21 The scheduling job starts by translation of the customer‘s orders into patterns, parts and symbols. This follows from the master Schedule Of orders and approximate times which the orders are to be run through production. The information from the rout- ing of the parts is used and a Manufacturing Schedule is made. This shows the actual times and places Of performance of the Operations which have already been determined. The manufacturing schedule should cover a period of time Of from one week to three months, depending on the type of production which is being carried out. For product production, the period usually runs from one month to three months. It is generally revised at a period Of from two weeks to one month. For process production, the period is generally shorter due to the complexity Of scheduling of production of a great number of items. It is usually made out from one to six weeks in advance. It should be revised at one to three week intervals. By looking at the manufacturing schedule it is easy to gain pertinent information about production. It is controlled mainly by the minimum time required to complete production on a partic- ular order. Sometimes it is governed by the delivery dates set by the customer. It may be possible to begin production on an order before the time actually necessary. If part of the Operations can be performed at the same time another part is going through pro- duction, it is to the advantage of the plant to start the order and save the setup time and expense which would be required for the job if run at the time it is scheduled. Frequently, in the 22 case of those companies which work strictly from a production fore- cast, the delivery date or completion date is totally dependent on the manufacturing schedule. 23 PUTTING PLANS INTO ACTION After completion of the planning for the production of the product, the next step is to produce the product. If the planning has been the kind that will Operate efficiently, then the job Of producing the article will be a fairly simple one. A.1ot of the control of production depends upon the paper work which is involved in the execution of the orders to production. The remainder of the job of producing the product is dependent on each man knowing just what he is expected to do. The system of forms set up in planning for production should show each men, through using the form, his responsibilities and the duties which he is to perform. The first major step in the manufacturing of the product is the dispatching of orders. Dispatching is the proper release of orders to production so that the schedule is maintained. Efficient dispatching of the production orders plays a very great part in the prOper Operation and efficient running of a plant. If this is not properly done, then the entire work of planning has been wasted. The major function Of dispatching is the issuance of orders for production. In conjunction with this issuance of orders is the authority to prepare, assemble and issue, to the point Of use, all materials, tools, fixtures and gages which will be used in the execution of the order for production. It is necessary that a system of forms be used for the re- porting Of the progress made in production. These forms are gen- 24 erally made out in conjunction with the dispatching operations. The information usually covered concerns the progress of produc- tion, payroll and cost data. It is essential to have actual and exact data on What has been done. It is the responsibility of the dispatdhing group to con- trol the progress of material at each Operation. If there has been some unexpected delay or emergency, then any necessary rerouting of material or reloading of a machine is done by the dispatching group. After the manufacturing schedule has been comr pleted and the material has once been routed, all further work in rerouting falls on the dispatching division. Dispatching of orders covers the moving of work from one work place or operation to another. Without specific authority from.the dispatching group, no work can be prOperly moved. Dispatching acts as a liaison between the planning of the production and the actual manufacturing of the finished article. It acts as coordinator between the staff organization and the pro- duction organization. Many troubles which might arise between these two»groups are averted by consultation with the dispatching group. Two general types of dispatching are in common use. The first type to be mentioned is that of centralized dispatching. In centralized dispatching, the main office which governs the issuance of production orders will issue orders to all sections of the shop. This means that each man receives his orders directly from 25 the central office and that all orders for any job originate in that office and are dispatched from that office. All orders are sent directly to the machine or work station. The big advantage of this type of dispatching is that the work performed, the backlog of work and the work scheduled for each machine can be readily seen. Usually the foreman has the right to object to any work assigned in that department if he can show any good reason for not doing the work. The second type of dispatching in common use is that of decentralized dispatching. This differs from centralized in that the orders are sent in blanket form to the department where they are to be done. The department then issues the orders to the indi- vidual machines or work places under their jurisdiction. This is not as good as direct control of each machine, as in centralized dispatching. If each department contains well trained men, then decentralized control will work with less confusion than will centralized control. But it is recommended that for average use the centralized system be used. This way the number of persons requiring sufficient skill to schedule machines will be kept at a minimum. No matter what type of dispatching is used, there must be some type of communication for use in the dispatching. Some of the most popular ones in use are the telephone, teletypewriter, teleautograph, messengers, pneumatic tubes and interstation loud speaker systems. Any one of these may be used. Each one is very 26 good and the efficiency of its operation depends upon the personnel who control and use it. Some system of easy check on the progress of production should be used. hecently some manufacturing firms have built dif- ferent types of production control boards. There are three general types now on the market. The Produc-trol is a board with adjust- able lengths of cord to indicate the production rate and the materials on hand (see Fig. 2, p. 27). Several companies have use this system and like it very much. The second type is that of the Visible indexed file. This control board is manufactured under the name of Sched-u-graph. It uses the principle of different colored cards to indicate the dif- ferent operations which have to be performed. These cards are placed in a row in the order in Which they are to be completed. The bottoms of these cards show through a visible tab, and when they are properly arranged, form a graph of the work to be com- pleted (see Fig. 3, p. 28). This has been found very satisfac- tory by many organizations. The third type of control board in general use is the three card racks. A board is set up with a compartment to hold three cards. Bach compartment represents an individual machine or work- place. The top card is the job order for the job presently being worked on. The middle card is for the next job, and the last card is for the job which is to be done after the next job is complete. 'l l t CGNTROL of PARIS AVAILABLE for ASSEMBLY finished Parts Received 011 Order . Parts In Process - Expediting Action Taken - v " Raw Material Received J17". Number “Assemblies Completed w\-.e wu’. NH. L var It” Wu - as wear». ML MTUM NIX Yo! ”I ; Y 'xU’) . ; r1) Mom 'LUO am: 4 14 may on surr- nuo uv scum K'OCI “V SC'I' r' ’ 1* natural! new I .' n ~10 outnum- cam ' ’ re un 00 ’ V- .l ‘30 31'0“er MM» - ‘ 3v . «3- "mu v ’ can Olifltl wow I. M It.” .wm . " more. K'- mm I“ “5(3VFWC‘ "I!“ 1mm mud . n UN“. .00" -aug- -uN.,-g_,oouu. _ t u: 're.‘ was 'l‘t'hlfis . 3 ' u «a: am: who ' t . f ,. .. u. u a ' _‘ H was mu mum . s m " ., -... .0... x 4 "—— ~~ u ~00 mum ' 1 M w “u 1...... W * M “’ "" ““‘M" “"" ~‘ ‘ H " V" w ’ .(Afi 71404 T! ‘5 ' ’17 “IL W m 5. O A04 “73 " .w.‘ mum: at, 1 o ”It? r‘SLL Q5905” yuan,» HHHHHIHHHH“WW“HHIHHIHHHHHHH!HHIHHHIHHA I an {'v f subhui- Mum“ 20 T118 PrOducu-trol Board in PrOdUCtion control. nibgfl/ OrllAflON CHED‘U-GRAPH ROL BOARD OPERATION ‘rm CARD MACHINE LOADER svsr M REMINGTON ‘IA ‘- ARDEX SYSTEM v — _ A REMINGTON RAND ICI‘J" '_ , FORM CUT AT PRCIFE' -RIOD MARK FORJ ‘ RO‘I‘NING 15 PERIW‘ CIR MORE FOR SHORTEP. NLN“ ”USE FORM 1 In... rage EUANYIYV 25;; MAARI:I ~46 a? _) "bu-I punch-I 4. rmomrv I’ecnxouu «III-Lump- _III OOCX‘JVO‘ SCHED-U—GRAPN CONTROL BOARD OPERATION accono CARD MACHINE LOADER SYSTEM A REMINGTON RAND KARDEX SYSTEM FO CUT AT PROPER PERIOD MARK FOR JOBS RUNNING 15 PERIODS OR MORE FOR SHORTER RUNS .. USE FORM I CAv no I-IOAI W "o W“ -- “TIMI“ 4 7 " ' é SCHED-U-GRAPH CO SCHED-U-GRAPH CONTROL BOARD ‘ OPERATION RECORD CARD OPERATION RE.__, _ 1‘— MACHINE "“ ‘ MACHINE LOADER SYST " ,_-,,7_ SYSTE A REMINGTON RAND Z((_( FORM icljfll RM2 , (0 "cu/V. A ' 0”,. _ ' CUT AT PROPER PERIOD MARK "4 3 L‘ , _ FOR JOBS RUNNING IS PERIODS OR MORE guano ‘ ' , y _ /AJ ("A _ CZ of! _ FOR SHORTER RUNS --USE FORM I valomvv ITOCL-(DULR | - I/, M A REMINGTON RAND KARDEX SYSTEM F SCHED-UvGRAPN CONTROL BOARD OPEHA‘ION “(CORD CARD MACHINE LOADER SYSTEM A REMINGTON RAND KARDEX SYSTEM FORM 2 C T AT PROPER PERIOD MARK FOR JOBS RUNNING 15 PERIODS OR MORE FOR SHORTER RUNS w USE FORM I SHEAR BLANK FOQAA DRIU. BURR PAINT INSPECT \‘- . Raga. N.- . 't Three Card Rack. 29 Three cards are kept in the rack at all times. This gives machine scheduling for three jobs in advance. As one card is completed, another is put in the rack (see Fig. 4, p. 28). There are other means of recording the progress of produc- tion. International Business Machines Company installs the punched card system. Many firms use tabulated file cards. This is known as a Kardex system. Still others use a Gantt chart. This chart is a mechanically drawn illustration of essentially what appears on the Produc-trol or the Sched-u-graph. many other possible forms or graphs are easily used. This has been only an attempt to men- tion some of the most popular varieties. The second and last major step in the production of the finished item is that of follow-up. Follow-up is seeing to it that the schedule which has been set up and the production orders which have been given are not delayed as they progress through the processes and operations. A good follow-up system is essential for the maintenance of efficient production. There are three bases for followaup. They are material purchased, the Work in process and the final assembly or erection. Each must be checked to determine that each production order and purchase order is being properly carried out. In all three types, the main key to efficient follow-up is to anticipate and prevent any delays. Granted, this is hard, if not impossible, to do; but an experienced man will find that it will be possible to prevent 30 many errors in production by looking ahead. The checking of each order to see that it has not been sidetracked is a routine duty of the follow-up group. Errors in routing, scheduling and dispatching cause a lot of the delays that appear in production. Other causes of mishaps in the execution of the production orders are labor difficulties, breakdown of equipment, lack of tools, jigs and fixtures, lack of material, inadequate material in floats or banks while in process, and excessive rejections of material by the inSpection division. There are many other interferences to production, and if all of them.were to be known in advance, then follow-up would be a simple thing. As it is, the followeup of the orders is one of the major problems involved in the production of the finished product. This by no means exhausts the subject of production control, but it will give a general picture of the need for production con- trol, the procedure for setting up production control and the difficulties which are encountered in production. 31 PRODUCTION CONTROL SYSTELS NON IN USE In making this study of production control systems now in use in small plants, actual control systems were chosen for study. It is the aim of this paper to develop a system which can be used, with minor adaptations, in any plant ranging roughly in size from fifty employees to two hundred and fifty employees. The types of industry used for this report are: (l) The manufacture of heavy machinery which does not require too great precision in the assembling of the parts; (2) the manufacture of machinery which does require a precision type of assembly; (3) the manufacture of sheet metal stampings; (4) the manufacture of forgings; and (5) the manufacture of many different models of precision small parts and assemblies. The Robey manufacturing Company of East Lansing, Michigan was chosen for the company illustrating the heavy machinery which does not require great precision in their work. The company manu- factures farm.machinery and equipment for cultivation of soils. The Hill Diesel Engine Company of Lansing, Michigan was chosen for the illustration of the company which produced heavy machinery which required precision work to complete their pro- ducts. The products of this company are diesel engines of vary- ing sizes. The Dail Steel Products Company of Lansing, Michigan was chosen to represent the company which made only sheet metal stamp- 32 ings. This shOp makes only punch press stampings for sale to other manufacturing companies. The Federal Drop Forge Company of Lansing, I chigan was chosen to illustrate the company which makes only forgings. The entire production of the plant is forgings. Most of the work is done for the automotive companies. No machining of the finished forgings is done. The'Wohlert Corporation of Lansing, Michigan was chosen to represent the company which manufactures many diversified products each requiring precision work in the production of finished assem- blies. Each one of these plants was studied individually and a procedure Chart was made for each organization. A procedure chart shows a graphic presentation of the methods used to control pro- duction. It indicates each step in the procedure, tells where it happens and the interrelationships of each step. The following sections of this report show just how these companies control their production. Company "A" The Robey manufacturing Company will be used for the first illustration in this study. It will be known as Company "A" for this discussion. The manufacturing plant is located one block south of Grand River Avenue on the east side of East Lansing, Michigan. The Robey manufacturing Company is a comparatively new organization. It was incorporated in 1937. The company was started by Mr. Robey and his three sons. The establishment started out on a very small scale and has grown to cover about forty thousand square feet of floor area. The manufacturing is all done in a single story building. The company now employs about ninety persons. Seventy-five of the ninety are hourly wage earners, and about fifteen are in the salary classifi- cation. Two shifts are maintained and operated forty hours each week under average conditions. The president of the organization makes all sales predic- tions and initial shop orders to begin production. At the present time the forecast of all sales is very dependent on the supply of steel which is available. The plant operates at its full capacity according to supply of material for working. If material is obtain- able in the future, the present plans are to expand to meet the demand for their products. The big job in forecasting is to determine the product which the available supply of raw material 34 is to be used for. The products made by this company are those used in culti- vation of soil. The work is almost entirely the making of farm machinery. Four main products are produced. First is the Culti- tiller. This is a product designed by the founder of the company. Three models of the Cultitiller--six, nine and twelve foot models-- are made. The six and nine foot models come in three types; the unmounted, the mounted‘with manual lift, and the mounted with hydraulic lift. The twelve foot model is made only with the mounted manual or hydraulic lift. The Cultitiller contains about one hundred and ten major parts for the unmounted type and about one hundred and seventy parts for the mounted type. All of the Robey products are of heavy structure and do not require a great amount of precision work. About one hundred and ten Culti- tillers are made each month on an average over the entire year. The second product made is the field cultivator. This comes in two types, either tractor mounted or mounted on wheels for towing. About one hundred and seventy-five major parts are used in this product. Approximately four hundred and fifty of these are made each month when figured over a yearly average. The third product is the Field Harrow. Two models are made of this product, the open model and the closed model. About twenty-five major parts are contained in one assembly. Approxi- mately two hundred of these are produced each month. The last major product is the Bean Puller. This is a 55 standard mounted model. It contains about one hundred and twenty parts to each unit. No figures are available as to the production of this item. It is on a variable production schedule and any relative figure is hard to estimate. The Robey organization carries on its own experimental work. This refers to new design of products as well as improvements of the items already in production. All tools and dies which are used in the manufacture are made by the company tool and die shop. Some punch press work is sub-contracted, but this is a very small part of the total production. :1...‘ :“I‘ .- . 9 . ..I,..vu.'.:rT!Ir.I.. Q... .1 . I. N an.“ m N"... .1 m , I . I :3 I ..l... ...__. a . . .. 4-. 71" A” r.-. "we .- .. ,1..LIJ - N-m" ,. U¢ .rI _ _ _ . . _ _ . a a “I a A'J ”7-w- } ...-*- ~_-.~-—~_...~ » ....“m f E I -A.-m-..,_7‘ c ..-». . ~.. I . A. 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"HIM m x J M I. .... “ w ... _ .I * ... 4 m «IL ‘ c . . . . _ . . . . .. . . l . ... . . a . . . a . a _. . .. t -. .r-E ..-. --. ----..IIIEIT- ...-III -IIIIII- .I- I -II F: I ., I IL I I. . r: 3_-. 2.,..-.III.»I-II....I.. a. .....I .. .. ... . r ... .‘Diio’. . IIIIIIIII . 37 Explanation 2f the_procedure chart for Company ”A". Each step, as shown on the procedure chart (see Fig. 5, p. 36), is taken separately and explained in detail. The action during the steps is as follows: 1. 2. The president determines the requirements of the com? pany output. This is written up in the form of a shop order (see Fig. 6, p. 38). The information given on this order is the type, model and number of units which are to be produced. Seven copies of this order are dis- tributed to other executives in the plant, and the master copy is filed by the originator. One copy of the shop order is sent to the purchasing department. Upon receipt of the shop order, the pur- chasing department makes out a purchase order (see Fig. 7, p. 39). Also two forms of reports called purchase records (see Figs. 8 & 9, pp. 40 & 41) are made out and filed so that the material on hand and ordered may be readily seen. These two records are filed for future use in both inventory control and future ordering. Two copies of the purchase order are filed for comparison with the receiving records as the material is received. One copy is sent to the vendor as a notice to send the material required. The last copy of the purchase order is sent to the production Fig. 6. The shop order used by Company ”A". 38 Fig. 7. The purchase or- der used by Company ”A”. 39 4O Fig. 8. One of two purchase records used by Company ”A" noun am. 5136!. REQUISITION Fig. 9. Above: The purchase record used by Company "A". Below: The stock or steel requisition used by Company "A". 41 3. 4. 5. 42 control department. Upon receipt of the purchase order and comparison with the copy of the shop order which has been received in the meantime, a production order (see Fig. 10, p. 43) and a steel requisition (see Fig. 9, p. 41) are issued from the production control department to the foreman. On the production order is shown the work to be done, when it should be done, which department it should be done in, and the type, model and number of units which are to be made. One of two copies is retained by the production control department and the other is sent to the foreman in the department where the work is to be done. The steel requisition is made out in duplicate and one copy is retained by the production control department while the other is sent with the production order to the foreman. When the foreman is ready to start the job, according to the availability of machines, he sends the steel requisition to the worker in the steel shed. The fore- man retains the production order until the job has been completed and then destroys the copy given to him. The material has been delivered to the company and re- ceived at the steel shed, and a receiving report (see Fig. 11, p. 44) is made out in triplicate for the quan- tity received. Each bundle of steel is tagged according not. a. own I. Mn N. H but. To Proton-3 Supt. 8—0. 0' wo- in. Clam ”v 0‘” min ("9'9 resu- . Fig. 10. Above: The production order used by Company "A". Below: The job card used by Company "A". 43 ”ECFIV'NG "TCORD Roboy Mnnu.‘nr‘huun0 (‘ump MW .1 Va 'A'MINI I'VI'IN ' l l\$ ." V" 7" ("NI NO A .1 .4. Fig. 11. Above: The receiving re- port used by Company WA". Below: The ”next job" ticket used by Company "A'. 6. 7. 8. 45 to weight and time received. This tag (see Fig. 12, p. 46) has a stub which is filed and used as the running inventory. When the steel has been used, both the tag and tag stub are destroyed. The steel requisition which has been received from the foreman is filled out as to quantity of steel issued and the steel is sent to the shop for use on the production of the product set forth in the shop order. The steel requisition and two cop- ies of the receiving record are sent to the production control departnent. One copy of the receiving record is sent to the purchasing department for comparison with the purchase order, to be sure that complete ship- ment has been received. The receiving record is checked with the purchase order and with the purchase records to afford a complete check on the quantity and quality received, and also a complete inventory of the material on hand. The receiving record is used to obtain data for use on the Produc-trol. The notation used is that steel is available for production of the Shep order. It is then sent to the cost department. The steel requisition is filled out as to the number of units made and the part number of the units. The steel used is also entered, and then the COpy is sent to the cost department. The shop order has been received and the receiving N? H77 "(0‘0 U “mun Fig. 12. The steel tag used for inventory by Company "A". 46 9. 10. 47 records with the steel requisition are used to prepare a cost sheet (see Fig. 15, p. 48) which will show the cost of production of that particular part. This cost sheet is filed with the receiving records and the steel requisition for future use in estimating the cost of a particular part and for checking with past costs to determine any inconsistencies. The drafting and engineering department receives a copy of the Shep order and proceeds to make a master route sheet for the product which is to be produced. This route sheet (see Fig. 14, p. 49) contains all of the operations, and the sequence in Which they are to be performed, which are necessary for the completion of the product desired. The route sheet is made in seven copies, of which six are filed for reference and the original is sent to a meeting of a joint board. A.joint board meets which is made up of the president and other top executives of the company. This board studies the Shep order and the master route sheet and, by use of the facilities available, assigns the work to the different foreman. Verbal orders to the foreman are then given as to what work is necessary for them to complete. Upon receipt of the verbal orders, the fore- men then schedule the work which each man is to do, and make out a next job ticket (see Fig. ll, p. 44) which Fig. 13. The cost sheet used by Company "A". 48 M .- ‘ loot-w".- - e, “.4..-— ......— .Mm_mcwvc;\no~a III-33¢“. momucnono IMF. KORE" NANL'FAFTK'RINH t0 ROUTE SHEET ahfl‘" ...... - - .- ”“2“” WM“ ' “ML-0- ‘7“: 'r‘.’ r': — Fig. 14. The route sheet used by Company "A”. 49 ll. 12. 13. 14. 15. 50 is given to the individual worker before the completion of the job on which he is now working. The worker holds the "next job" ticket until he has completed his present job and then takes it to the production control department. The route sheet has been sent from the joint board to the cost department. The cost department then makes out a job card (see Fig. 10, p. 43) for each Operation listed on the master route sheet and sends these job cards to the production control department. On the job card is given the operation, Operator and part which is being worked on, and also the wage rate for that job. The route sheet is filed as part of the permanent record of the establishment. The production control department exchanges the next job ticket, brought in by the worker, for the job card corresponding to the job listed on the ticket. The worker holds the job card and punches the time in when he starts the job and time out when he completes the job. He then returns the job card to the produc- tion control department. The production control department records on the Produc-trol the information on the job card and sends it to the cost department. The cost department checks the job card with previous 51 similar jobs for discrepancies in the time resuired to complete the work, and records that time for the pay- roll. After this, the cards are filed as part of the permanent file. This completes the cycle of procedure. 52 Company "B" The Federal Drop Forge Company is the second illustration which will be used in this study. It will be known as Company "B" for this discussion. This company is located on South'Wash- ington Avenue, Lansing, Michigan. The organization is now in its twenty-eighth year of active Operation. It was founded in 1920 and has been operating contin- ually since that tine. The company now employs about two hundred persons. One hundred and seventy-five are hourly wage earners and about twenty-seven are salary employees. Two shifts are maintained and Operated forty hours each week under normal Operating condi- tions. No sales forecast is used. This is strictly a job shop where the products are not manufactured until after they have been sold. Usually the company makes a bid for a job, and if that bid is accepted the order is placed with the company and production is started. NO product is offered directly for sale. Since this is a forging shop, the product in its finished form is what is usually thought Of as raw material. This makes any open market sale impos- sible. Each item.manufactured is already sold before it is made. The shortage of steel has seriously affected the production of this company. The company is now operating at about sixty per cent of its total capacity because of this shortage. The Federal Drop Forge Company does all types of forgings which are not too heavy. The presses used range from sixteen hun- 53 dred pounds for the lightest work to five thousand pounds for the heaviest of forgings. The greatest amount of their production is done on sixteen hundred, two thousand and twenty-five hundred pound presses. A very great number of different forgings are made. This is due to the fact that any type is made within the range of the capacity of their presses. About seventy-five per cent of their total production is sold to the automotive industry. This includes parts for many makes and models of cars and trucks. About ten per cent of the total production is sold to the agriculture implement manufacturers. About fifteen per cent of the total production of the company is sold to miscellaneous industrial machinery manu- facturers. This takes in many brands of shop tools and machines. The production of this organization is measured in tonnage. Full capacity production of the Federal Drop Forge Company is about fifteen hundred tons of raw steel used per month. The production at the present time has been cut to about nine hundred tons per month due to the steel shortage. The average finished forging will weigh from one and one-half to two pounds per part. No assemblies are made because no machining of parts is under- taken by this company. 1 . a .. . «a... v. I v . .. .v.\.l. - . ..«C; r .. .m. . L l. lili4 ..L... L . x .. I .- 1 v . . I . L t.- .. w .. M. . M m M H a M H M .. . . .. . . .. .. W . L . M m M . a. . L _ . . . M . . ... . . . ._ . _. m .. _ . M TM M L m . ...T M . . M _. M 3.. m M M .. M . . 1H.» . . M s _ _. . i . I. M u .. . Z . _ M . .1 . . . _. . ....L- w . .. n a M . e... a. . M i” . . M . w .. . . w .n . M . r... M L e c . M _ . .. ~ M . . M w . . «J. Mai. . . . M. . M .. M . M .. m M M M . i . . .. . M . .. .. a M M u .. ... M . M M . :- . -. . M . ., . _. 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L ... v.1 L .. .11 4.)} M . M . J n n . . .. . .. . . . M . M . . . r.» a . § . fl ~ r . 93..- m . . 11a). Iii!!!) I‘d); .4 wk.) . . v1. r.\¢r t . .I .I.. M . . . . v v. . v7. . . M . . ¢ )4. ... .L .... . a . i I .I. .13)....)12. Ii) . All ..v Lil viv‘. . .51.. . hell) .11.vv\: it. W s .. Q.) 9 v . M . I. v. .\ s . . ~ M I . T . 1 [)th ‘lv 1 (iv.- vt be." In v I V v I I L A. 1. . \n .v vtnLL i U. 1 . fi . 41+ — .. D (O . l'. K . . M. Wit/... . Ts A _. M . \ ...... x) v . - . (v. L +- r L...- 1.2-. :a .. . . 1.! ...-{iv . . . . In .. M . *1 N ....fl .1) )JL ml. _ M .w M . I - Y. - . . L . .. . 5... .-.-I49: ...-J.- Lx.4 . .. x. 1* I ... a . .. \.7 .. PU M 1 m 1 1 1 a 1 .2.. .9”) .r 1.. ...)-.aiii . .- .. . .... M . a . . .. M \c .. .../... x ...x a M «..L .1!- ... . 4 .. - v. . t . . iii---.»:iI 4. .- . .. . ...---...- - . up . .-.. H . . L _. . x... . fr» _ 7 .-.. . - 1.4 . .-... . . l t .L - . ..a -. .. . .. ...-.... .L... H M -....- _ : M _ M -.--31.91.11...- i. ..L... . L. M u . v. ... M . v l.. .a I .9. - . ._M \V. Ii - .r..!:_.L!-.v . - 55 Explanation 2i the_p£ocedure chart for Company "B". Each step is taken separately and the action taken as the forms pass from one department to another is explained (see Fig. 15, p. 54). The action during the steps is as follows: 1. 2. 3. 4. Company "B" submits a bid for a certain job to the pros- pective customer. If the bid is accepted by the cus- tomer, an order is sent and an acknowledgment of the order is returned to the customer (see Fig. 16, p. 56). A release with the delivery date is sent to Company "B" for a part, or all, of the original order for the job. This sales order is received in the form of a purchase order and reviewed by the president of the organiza- tion. This is only for the information of the presi- dent, and no action is taken on the form at that time. The sales order is then received by the treasurer of the company and at this point the price of the quan- tity ordered is entered on the sales order. The treasurer also notes the information given on the sales order. The sales order is then sent to the production manager, who schedules the work to be done according to priority and the date requested for delivery. The scheduling is only as to date to be started and weight of press to be used. This information is entered on the schedule board. m . mum FORGE COMPANY LA’ubiNG MICHLOAN | l l I i ‘ t 1.7 u ‘ ‘ 3 ..‘Nk | \->- I '.\ \- - J ‘ \‘,\ l l ‘ I .\\ ‘ I g I 1 ' ' . . . ‘§_\\" 1 l l \\\‘ 7 .\. 1 l , | ' L i ‘ :-: Fig. 16. The order acknowledgment used by Company ”B". 56 5. 6. 7. 8. 57 The billing clerk receives the sales order next, and copies the information given on the sales order on a job card. Five cepies of the job card are made (see Figs. 17, 18 & 19, pp. 58, 59 a 60). These c0pies are sent to the production manager, production and production control department, shipping department, cost depart- ment and the sales department. The original sales order is then filed in a permanent file of all orders. Each department mentioned above reviews the job card for information given on it which pertains to them. It is then filed by the departments for future refer- ence. The production manager determines the quantity, type and quality of materials necessary to produce the product called for, and makes out a purchase order (see Fig. 20, p. 61) for the material required. One copy is filed by him, and one copy is sent to the production and production control department for their informa- tion. The original purchase order is sent to the vendor company which has been chosen to supply the material needed. The vendor company receives the purchase order and ships the material ordered to Company "B". A shipping notice is made by the vendor company, and this accompanies the material in shipment. The material is received in the steel room of Company "B", and the items received are checked against the items Fig. 17. The job card used by Company "B", which is sent to the cost department. 58 Fig. 18. Job card used by Com- pany "B", which is sent to the production manager and the pro- duction and production control departnent. 59 Fig. 19. The job card used by Company "B", which is sent to the shipping and sales depart- ments. ' 60 61 [DERAL .rT-'_ 077:? .8" LANIINO. MICHIGAN PUNCH“. anon Ytlll._ _ iv o I I. ttttt o- | l I conomom ... "4" mm -' ... “- I“ W"- I-N'U' m one! long: com-AM ..-.- .f n f-(II 3‘ pm n.....-.. I!u¢".:“|v~ w- nu . . "M u. ”unlock-u a“ I D. . — ._.— m... 1' ' -,_ tr" --‘-—--— A "W" ‘ Fig. 20. The purchase order used by Company ”B". 9. 62 listed on the shipping notice. If the shipping notice is correct as to quantity and quality received, it is signed by the steel room foreman and sent to the pro- ducin' on and production control department. Upon receipt of the shipping notice, the production and production control department makes out the master book (see Figs. 22 and 23, pp. 64 & 65). This book contains all of the necessary information to identify the steel or other material completely. The steel book is also made out (see Fig. 21, p. 63). This book serves as a running inventory of the steel on hand. Each lot of steel is given one page of the book, and as steel is used out of this lot it is deducted until no steel of that lot is left. This steel book provides an imme- diately available and exact inventory of all steel on hand. A lot card (see Fig. 24, p. 66) is made out and sent to the steel room. This is put on the bin where that particular lot is stored. This serves to identify each bundle of steel in storage. A receiving slip (see Fig. 25, p. 67) is made from the signed shipping notice. This receiving slip contains all information necessary to cost the items and pay whatever bills are due on the shipment of material. This receiving slip is made in duplicate and the copy is kept by the production and production control department while the original is sent a... ._;.- 3a-”: t' -Jv'v_ 4805“" .L v ..., , l 9‘ . no ‘ ‘ 0" I I ..A. I l 0‘, 1‘.;. .u ¥+;..l Fig. 21. One sheet of the steel book used by Company ”B". 63 64 i OJRcl " -‘II. ‘a. ‘0 - “u! in. a ."' 1' . 0" fl. (‘1‘ u - w: y‘,a.u. I ’ , "a” III”: ( .JA." .~' . a, "" ' - ‘ ' ..v "o" IOUm~W~ skl”. 'h'fll‘ bl:m:,. {'JD 5' N .g I. { k0 Shun-emo- ath‘M4H" “up. 9/ ' IV yr ‘ 0 mum (%"."Dflpn¢~.h. ”Jim. . , ;» ' ‘ ‘ ’13” ‘ i . ‘ .f‘ A I ll“ 3’!” CH" Luann. 'I-ifi j-IJ t ‘ ‘ ~ " “ Wee-«MN, ass-nu -' r , "i: :r ' “ - u " a. u H .. v r"' . r . 0‘ .5 ' 1| ' I. " 1“."Jév urn-rum; 1“. 7-31.“: rum. :I—“V’ "J . r 1. 5!! +30.- ~Wad . . w' ,7: .4 . a. yr .. ' Luv-W“ .. . ’4 4- '« Ly"; Sol/l] ‘0 Hueslulnuu ‘ I "r v" ‘ ' you Show" Mae-.muwu * . ' v H3.“ ml ‘ 4.”, (we. mi... Annex;- '23-. [qt-VI r I 3.‘ r p ”of“ “any In... - Alt-u» 51;.” ~ J" r -~ . u 0. v, ., r v 0’ , 7 . , g 1 d I 5 .l .. 't , .. ; p :1, . o ' ,'&’l”*~ l . u 0‘ n It ‘ . . ,7; y ,L .' ; M!" (”It cu" m“! ‘.‘r‘ '2‘: u 9'1 , f I I7.’ 07/} "”010 {be :0 “menu- ‘lfl ' v [fl‘ .9, I 0'. h " 1‘. .. ’0 ,, ' li‘. ""I ‘ ,g'.::_"::-.3u mid “"ijflfif 5 / )u 6"” noun"- aha u “agar use?! 3'17." "9" I r' «7'- '..fl 3’!!! (o h. a .“ 5. fli_l ', ‘0 4,r' ’ u ‘- ' . - u f, - ' :, t ’ ' 04 “ 'I ’ I‘ d‘ ..1. .. . ». '~ «4 L;'. M»: ,W. - V.— '—i“ T "" $1 " )" b”. " " -..- .. . '»; . ; " A): filth-.93 he. ..:' J- . ‘V ' . ' "“3 ’-u 2"..‘- ' .. ‘3 l ’ 46" .1 ,,x.' J“ a ‘o ' c- I . ‘ ‘ I Fig. 22. The left hand sheet of the master book used by Company ”B". *‘fi- 7" . V — h t r. t I ‘4 h. -r Ava-an. 5. ‘91 )r In. ‘ Arm 75-9” Ln u w ..I... 7609.! u ,n till : . ”no; ,u .h ,am . ., 7] 191 .u .9 ..4 ‘10)4 any? .3’ .70 1"“ 00);. irate .1! ,I‘ w- , " 9""7 .u .7: Lu .4 t'flvl .u .1‘ M ‘45:” t ' ’1“! .w ‘ ..2. ."r 1%,“: .w in m l"' ‘7! 7’ -* tron b.) L” L“ .1 l " J t? new In»! H! v p 4!! 519.13 ‘ an”, '9 I0 387:: g in”. _ 1 - .331” r L 1“ 9 . fl "' l" I ' anttfxi .; e» ,m‘e‘z' y a ';‘-00' O .v‘ , \- A .23 a! ..u .H .01 ,,:b I ‘7 -- E7 . . .2 y. m . 1 L; 'rJ-e \ .... I v.‘ u L... M 1-1 .11 Fig. 230 The right hand sheet of .7» >1... lal‘ 32" ‘i?' It)! [IO] :0. le'lf‘ It: I i”, he) ’4‘ )9. n». p the master book used by Company "B”. Fig. 24. Upper: The banner slip used by Company "B". Lower left: The shear order used by Company "B". Lower right: The lot ticket used by Com- pany "B". 66 menu DROP FORGE COMPANY RECEIVING Sun {171' IICIIVIO 'IOU - VIA,-_ __ _e 'IT.ONO|.V mum-no. ,- ,0- ""'""~! "W’x-m“ I 7 e.- t ' V Fig. 25. Upper: The receiving slip used by Company "B". Lower: The steel card used by Company "B". 67 10. ll. 68 to the cost department. Costing of the material and payment of all bills due is done by the cost department. The information from the receiving slip is transferred to a steel card (see Fig. 25, p. 67) which is used as a double check on the quantity of steel on hand. When the time has arrived for the starting of produc- tion of the job, the production and production control departnent makes out the daily work sheet (see Fig. 26, p. 69). This is a schedule for each machine and press and the jobs Which are to be done that day on those machines. Eight copies of this schedule are made and distributed. One copy is sent to the production man- ager, steel room, chief inspector, hot inspector, die storage, and two cOpies are sent to the shop foreman. One copy is kept and filed by the production and pro- duction control department. A shear order (see Fig. 24, p. 66) is also made out by this department which specifies the steel to be used during production and the length it will be cut. This form.is sent to the steel room. A hammer slip (see Fig. 24, p. 66) is made and sent to the time study department. This slip contains the necessary information for the setup of the job which that press is to do at the completion of its pre- sent job. lv:.J" ’;_/‘2ll .,"I./Ii-.’ ,Z. ILLL .. ILLh l/ “Lupin/br- wrin- '7 was. v.11”. LOMIVV)’ why». 'I am 1’6 2 If} Fig. 26. The daily work sheet used by Company "B". 69 12. 13. 14. 15. 16. 17. 18. 70 The steel room foreman takes the stock indicated on tie shear order from the steel room and shears the steel as indicated on the order. The sheared steel is then delivered to the area where it is to be used. The shear order is returned to the production and production control department where the quantity of steel used is deducted from the steel book. The shear order is then received by the cost department which deducts the steel used from the steel card made out in step number 10. When the t'me study department receives the hammer slip, the number of blows necessary in forging the product is entered on the back of the slip. This serves as instructions to the hammer Operator. The hammer slip is given to the setup men and the job is started. At the completion of the job, the hammer slip is returned to the time study department for use in checking the time taken with standard times for that job. The worker makes out a time card (see Fig. 27, p. 71). This card gives the necessary information for payroll use and the costing of the job. The foreman signs the time card, which serves as a check on the times entered by the workman. The time card is sent to the production and production control department, where the day’s production is com- 71 "Ml (\th HUI FEDERAL DROP l-ORUI; u». uuuxxn \nu ...- v..—._.-. I, , ' ’ "fl ’9 ’I lL-V3:’p“.Q‘-‘l PI 4. . TIME SLIP mn__,‘ i _ , ,_‘- , FEDERAL DROP FORGE CO, hall-o. Nick noon-o «out — I’ll. ILI' HUI? II YUIIID II A? I’ll CLOII O' VII DAV'I'OII g..- _ u-I-te QDIIA'tr‘e I“ u..." tr;’_.”‘—"-—m ...... Fig. 27. Upper: The time card used by Company “B” for non-productive labor. Lower: The time card used by Company "B" for productive labor. piled and recorded in the form of a daily production report (see Fig. 28, p. 73). This is made in tripli- cate and sent with the time cards to the cost depart- ment. 19. The cost department enters this information from the daily production report on the job card made out in step number 5, and sends on a copy to the president, production manager and the time study department. The original of the time card is filed in the cost depart- ment and a c0py is given to the workman who performed the job. 20. The president, general manager and time study depart- ment study the daily production report for information on production and possible improvements of the pro- cesses. This completes the cycle of forms and controls used by Company ”B" in their control of production. DAILY PRODUCTION REPORT OFFICE Fig. 28. The daily production report used by Company "B". 73 74 Company " C" The Hill Diesel Engine Company is the third illustration which will be used in the formation of this study. It will be referred to as Company "C" in this discussion. The plant is located on Mill Street near the downtown section of Lansing, Eichigan. This organization is a part of the Drake America Corpora- tion. It acts independently so far as production goes, but the order for the manufacture of the items comes from the parent com- pany. Parts which are not made at the local plant are usually bought from other divisions of the corporation if one makes that particular part. This branch was established in 1913. The original engines made were gasoline engines. In 1919 the first diesel engines were made. Both gasoline and diesel engines were made then until 1926, when the company dropped the manufacture of gasoline engines, and since then their only product has been diesel engines. The plant now occupies fifty-five thousand square feet of floor area used in manufacturing. It now employs about ninety persons. Seventy of the ninety are hourly employees and about eighteen are of salary classification. No sales forecast is made by the local organization. This is due to the fact that the parent company issues the orders for production. This makes it unnecessany to determine any volume of production, because the production orders from the parent company 75 cover the entire volume of the plant's production. The steel shortage has not seriously affected the produc- tion of this company. This is primarily due to the fact that most of the metal worked with is cast iron. The steel that is used is not sufficient to curtail production. ‘At the present time the plant is Operating slightly below its maximum production. It is estimated that it is working at about eighty-five to ninety per cent of full capacity. The plant operates on a forty hour week and maintains production on two shifts. Three types of diesel engines are now in production. A.two cylinder, four cylinder and six cylinder engine are made. The two cylinder engine contains about fourteen hundred parts, while the four cylinder contains about fifteen hundred parts and the six cylinder contains about sixteen hundred parts. Diesel engines reqiire a great amount of precision work. About one thousand diesel engines of the three combined models are made each year. If necessary, in case of national emergency, by adding another shift it would be possible to speed up production to about double the amount now turned out. This would make the absolute maximum production about two thousand units per year. These engines are put to three major uses. many of the heavier engines are used for marine engines on small power driven boats. Other engines are used for power take-off drives for heavy machinery. The third big use to which these engines are put is 76 use as prime movers in the generation of electricity. Each engine is given a running test of usually about one to two hours before it leaves the factory. . - I .‘U “ K3 A— , r ‘ ,- ~ .. . . . - v ‘ > . r , - I \ —~r~, .,.- _ if . ... __, - , ' ‘ ‘ .-N y 4 a - ‘_ . ‘ ' ‘— a- e. - . _ , I I .. - > . . .. . - , --I' l \ I ‘e . r y , '. " ' ._ . ‘ ‘ ~ _ . 1' \I , .. 1- . » ~’ . I ~ ’ v- - . . ”I § .' '- . _ < 4" -\ I 1 , 9U ' ‘ 1 " ' a II- . ' _ 1 ‘ ‘ .' h ..r-»..-........ ...__ . - . i . . ‘r- ..- r- . . 1"". . . . ‘ ‘ l . , . 1. .2 . ... ,1 .__ g ‘ __ . , '1 w x , -.~ . I 7 ’ a . . 2 - - .a \ . ', .:. . ._ v Nr.\_ ' .r IV]? ‘. e H t ‘- ‘ ‘ . ' ' 1" - .4. . v”, . I .. A. .., ,1 . - ' ~ —. 1 ' 1 . < ~ . s, «I K . H. _“ ~m>w . , m~h<4 . ...—7.. .V.. . A .-_ - . l." , 7 ~- ,I s . i A I » I in" v -' ‘ I ‘ \ ‘ . . , I , L ..‘l . . I V - \ l K " I ‘ .‘ ,.. my. I .,.. . v ' _.‘ '7 ...“-.. a x I a a ..-, .1.-. . . I , e,. \ ‘ g... ._. 7 N . I 4. ' ,I i H I . IL ’ .I‘ - J- . v. \ s - ¢. c I , ‘1’. u! a. -“ IAAL‘ .. 1' , _ »c..— i A L' -" 4...: 'L’ ,4 .~»m.‘~, .-...." \ .I ‘ ‘ ,. ,. . .¢1-~. \: v — I ‘ XI ‘ K ‘ , (l . r l v I . . I . 1 L . .1 ’ .' a _ ,.,. I , ‘6 I I / . . 4- , - ,I . I ‘1. , .1 » a , r 4 ‘ \ _ , _ . 'r' ‘l ‘9 . A .» . . . '~ A . . I ‘ . v "‘ “a ‘ _ ‘: . -. ‘ , 1 l I. ' I ' ‘ e _ ' ‘ l .J ‘I _ I, . ‘ 4‘ I ax . ' s ‘ ' H _ y . I - . I . a”! .9 7' f l . r, ’3, " p‘..‘i~ .. w K ." R ‘ v'l \ \ .- - ’3 r I . - ' , . . L: .. ‘ ' I V! ‘4’ \ . \ \ t l‘ . ~ - . A‘~ - ' fl -. ,_ ' Y . ' A - _ . _~ -'.»-E"‘~. J‘ . A “ A» < ~ - r- ' ~ but,» ,, _ . V 7” r,l_- 1...“-.1‘.“ . A- -.._ e . - fieau - ‘ 'VI“ .. l 'v ; v-v ‘ I -.7 , - ‘ u- . , . A . _‘ _ .. ._ J . . I ' I . .. a v I .' , ' C x 1 ‘ VI . 1 i ‘ I, t . . ' ' ‘1 . 4, fl “ '. VI ,-_ . S A I' ‘1 . 1 .- n 4 I V x it . _,/ ." ‘ ‘i .1 .1 _,r, =-. .'_.. l A ,4 , x . . ~— . 1 ‘ - , _ .— A V- 'w‘ ., _ , . -} | n ‘, . ._ .--—- 4- - "‘ 1 l I I . I —. . .. _;.- , I ’l . / i S i é 78 Explanation 2: the_procedure chart used Ey_Compagy "C". This explanation of the procedure used by Company “C" follows the chart (see Fig. 29, p. 77) of their system.as shown here. Each step is elaborated on as the forms and controls follow through the system. 1. 2. 3. The parent company to this organization authorizes this company to produce a given number of a certain product. Upon this authorization a tentative production schedule is made (see Fig. 30, p. 79). This states the type and quantity of the product which is to be made. Four cop- ies are made, one each for the engineering department, production control department and the plant superin- tendent. The original is filed by the president. Upon receipt of the tentative production schedule, the engineering department determines the parts needed and the number of each part which will be used. This is compiled and made up as a bill of material (see Fig. 31, p. 80). One cepy is filed by the engineering department and the second copy is sent to the produc- tion control department. The service department receives orders from outside con- cerns for repair parts needed for that same type of the company's product. These orders are grouped into a repair parts order (see Fig. 32, p. 81). It contains the number and kind of parts needed. This is made in 79 I 0 o u...“ .UIIAI(.V A I o o '-.0'v.' a. . '1 A. .. . ‘l .. -" . 0 DJ , . I ‘n -. to: IV. -.. ooayl II ‘ ' I . ..ov n|| ' 3 | . u'.' ‘llt ‘ - 3 \I-. l I t t v» I ‘- ‘ can... r - ' Y ' ‘ .ulo - '\ 0' con-d a!» .I‘ It'uncor {(l' “ t ‘ I n I I ' ‘ ‘~ | I I ' -r\ at. (0- it.» . . ‘r ‘ " '1‘!‘ nil-lit. .‘ ‘I. l I ' H u“ '0 A l. NI It“ -xv|u s'x ml nu -~vI-- b’.i\.I.| ".Q-In‘, Hm um I- 1‘! I tit. I .. l 'r- Itsfl. r In In. yo-n. 10,1 1 VP. 4-. ‘a In. .nt ”100, ‘1‘caliml, box no. I ‘ 5 th; I'RTCTY I A‘VCW. Jen-ah A, If”. 1m ALL I | ‘HI '0 ‘ _ vp‘s.‘m at.» uni ‘_w . '70- v .- ! Fig. 30. The tentative production schedule used by Company "C". 80 ' I '! . I‘ I '¢ " o o a c A. ‘J‘ot ”'0 \I'I ' ..“p" . n ‘ ‘0‘ ’| A D LJG.D . '- «'w "M L" Jan-m ‘1 t- 1' I l.“ ‘ Ir}- J' :1 l 13, | j... “I a . ‘ '4‘! o 1 1.‘ ‘..' .‘I' r ... ' no." :1 a. '. 1 -"j A! - O ,‘1 0 ' oh 1 1' '.:~ Hr bunt . unzur, .’I ‘ .’. _ O U l - .'1L'- ‘ .t uf’. 1 J :JJ" ‘r'. "II.' 1 1m»:- v. {...-'1'. 9,’ L 1' 2 {wins 43 u.:.'..n. '1': L 1. 2", » ,‘ ¢|I" .1“ .Q .1. firtlz'u. .‘I 1 1'1/« m L .vl- .‘..' : .‘.r o, ‘1 :‘z .ll.-.'t1‘-3. ~‘. \ ‘.' 1 ‘ 1.3-". I Com-mm :4. o .d “H... a L-n‘u-bly 2 ' c-" q'“ J. OI‘ 3 f .. l‘AT"' ”2!. L 1:”(5 “’or pin, t'. ~13; If 2 R- , 354.3059: ' " .... 5:0:0 .-. . 1,]. a '1"h1 5-1:.“ on r:\;. 2.1. 5-7: a 1,1 : -.;:.¢ L . nu Ch-n'.:.~‘.a.". 1 1‘.‘ “1 Ho'xu‘utr 1.: 'e . 1 ..q.2 Pinion «:r : 1 c-333q. 1.1:. 0.: m:- u-i.‘ :91: ' 2 I 03:24 ‘ mm m a. tun-1 .1: salt a a; '; . Rou- gsL-a ban-3.; 21.1! ‘ ' fl._ L-‘l RCA? lhrulf. culls? 2 ‘ 52-12(6-' Front 1:11 annu- 1 5-; N-u 50.:- M'. dingo!- 1 3.1.} ha!" :nflv Co'ul‘ 1 Long; m one cow:- aht 1 1-17:3 Sou:- 0-." cover out 2 1,.151. arena, in. m" IMGI 5/) x 1 1:83 1 32",.) Loco-nan, max-a, 30001. 5 7 w ? Fig. 31. The bill of material used by Ccmpany ”C”. Ol' ‘ 4. 9“ cu... v. " ' ll .l ' II W (..., .- m *- enamo- ._‘,.....____ _- p ' ' ) I E ‘ ., ,. p , ' r" . ' . ' r | I '. ‘. A - ' f \ l Fig. 320 The repair parts order used by Company "C". 81 4. 82 three cOpies. One is filed by the service department and the two others are sent to the production control department. The tentative production schedule, bill of material and the repair parts order arrive in the production control department. From this information the requirements are checked and the ledger sheets are made (see Fig. 33, p. 83). Three sheets are made. One for the rough castings record of raw material bought from vendor or another branch of the parent company. The second sheet is used for a record of the material which is out at a sub-contractor's being processed. The third sheet is a record of all requirements, material ordered, material received and material on hand of all finished parts. These three ledger sheets are filed by the production control department for their use. The requirements for production and assembly are checked for quantity of material and finished parts on hand. If necessary, a purchase requisition (see Fig. 34, p. 84) for the material needed for that part or for the finished part itself is made out. This shows the material or part needed, the quantity and specifications. The purchase requisition is made in two copies; one is filed by the production control department and the original is sent' to the purchasing department. Fig. 330 The ledger sheets used by Company '0'. 83 Fig. 34. PURCHASE REQUISITION — DIRECT MATERIALS V0 Him." 00' m no. u v-u “...... u" The purchase requisition used by 84 5. 6. 85 When the time has come to start work on the production of the authorized product, a work order is made out (see Fig. 55, p. 86). This order is the "go-ahead" on production. It gives the work to be done and when it is to be done. Three cepies of this are made. One copy is filed by the production control department, one is sent to the plant production superintendent, and the other is sent to the foreman in whose department the 'work is to be done. Along with the work order, a stock requisition is made out (see Fig. 36, p. 87). There are two copies of this. One is filed in the production control department and the other is sent with the work order to the foreman. This requisition contains authorization for the foreman to get from.the stock- room the necessary parts or material for the work ordered to be done. The purchasing department receives the purchase requis- ition and makes out a purchase order for the material needed (see Fig. 37, p. 88). Three copies are made. One copy is filed by the purchasing department for fu- ture use in checking material received. One copy is sent to the production control department for use in maintaining the ledger sheets. The original is sent to the vendor company for shipment of the material. Upon receipt of the purchase order, the vendor company . SHOP won! 01mm . Fig. 350 The shop work order used by Company "C". 86 ——————-— —-_____- Fig. 36. The stock requisition used by Company 'C'. 87 I mu mm M . Ian A I'M" '4 fl ‘ . a. In. ' HM. DESE. ENGINE CO I ' “i“ I won‘t-KM ’ D." r . ‘NIIIO . I I I I lh‘ r~ Ir-* .L. LHJ" lz-m‘r-‘n-ll n 9-.- .‘- . n‘-.-:..’..--:? IWM I -. | name. “In, 213.11% ..2. r _ - - _ _ LI ! wmm ..IIIII'I... ~='..l .. -__ . _._._—a..—.~. b i. "."3 —_]Vcnu.-IO(£:‘ line-ugh. " .. ... _—_.._..__-———=.,,__z--— “22-... zus—H— _.__‘ _— ____—._-_’ ‘_——_ _._ _- _, ‘ l’ HOIKZE CWIm No. II m _,. ,',...,_. ..."... —~~H~ h‘I—nl-daa-thr-n-lh-ow-udQ—ud ... .-.-v..— 4n.-bu—-Hm ‘ M‘ _ ‘ ' .‘, *. ..., “51.41. s ...... o , ‘: " " ' - 'W ...:‘v—al- :flr‘.:l'-"I:Ihlu.lm QIN- . -.. .- How-bh-‘I Iv..." I . . --..n.4.~_~:-aM—.-n.~I—p-I_-l n :;~*rn'~+_"_~"~"m ..-.-.4..‘..-»--¢--...-a-.-~a—vuu :_-s-r‘-1‘h-~---‘ —-1s~ I. .---.¢I..-IN v - a—v-n fl. ‘ . fl~*'~..~‘_~d--.—m mire—t ragga—nth” ‘-I-.-uI-I-uo_ , .o..---nl .v—u—n-bn mnmmcm my ...-.4- Ethane-*- ‘ - “fluhw- .4 n—c‘ Midi —- . Fig. 37. The purchase order used by Company "C". 7. 8. 9. 10. 89 ships the requested material. The foreman receives the work order and the stock requisition. He gives verbal orders to the workmen upon the authority of the work order. The work order is retained by him until the job is complete, and is then destroyed. The stock requisition is taken to the stockroom and material is issued for use on that job. The plant production superintendent receives the tenta- tive production schedule and the work order. These are compared and the delivery date is set for com- pletion of the product and delivery of the finished material. The material is received from the vendor company by the receiving department. A receiving record (see Fig. 38, p. 90) is made which states the material and quantity received. Four copies of this record are made. One copy is filed in the receiving department for their permanent record. One copy is sent to the purchasing department for comparison with their purchase order to be sure the whole shipment was received. One copy is sent to the cost department for payment of any bill due on the shipment. One cepy is sent to the produc- tion control department. Upon receipt of the receiving record, the information is transferred to the ledger sheets made out in step Fig. 380 The receiving record used by Company "C". 90 ll. 12. 91 number 4. The stock requisition is also received and the material used is deducted on the ledger sheets. These forms are filed. A stock requisition is issued against the finished parts to fill the repair parts orders. This is sent to the shipping department which ships the material to the customer. .A shipping order (see Fig. 39, p. 92) is sent to the shipping depart- ment for shipment of any sub-contracted material. This material is sent to the sub-contractor for pro- cessing by the shipping department. Upon receipt of the stock requisition in the shipping department, the material indicated is sent according to the repair parts order. The material indicated on the shipping order is sent to the sub-contractor. At the end of each day a daily shipping report is made out (see Fig. 40, p. 93). Two copies of this report are made. One is filed in the shipping department and the other is sent to the production control department where the information is entered on the ledger sheets. The inspection department receives the incoming material from the receiving department. The material is in- Spected and if some rejects are found, then a reject ticket (see Fig. 41, p. 94) and a rejection report (see Fig. 42, p. 95) are made out. Each form contains information as to the part, quantity and defect. Two 92 _,—..- ..__._ HILL DIBIL MINI co. _— —___ ”I'YO——_-—— on n‘-. vim-9 u-I —_l n. v sun-Mus one“ No. ' ' '_ " ' REMARKS AND S'uIAL INSTPUC' £55 .mAslu I I Fig. 39. The shipping order used by Company "C". %———1——---+-—-:: +——-+~-~---*-——- ; <~~ l T +_1_...t -» ...—..- -2--- -.1-..- .... L I 4 Fig. 40. The daily shipment report used by Company "C“. 93 Li H!LL_ D'ESEL T , ‘ 1‘” REJEC . ENC-"Hf CO The rejection ticket used REJECT — Company HULL cum (some m. "C". HILL DIESEL ENGINE COMPANY MON). In“. 0.. own. r- "OUOC" ~o 5“, unm- l O - . ‘r n " Rig. 42. The reJection report used by Company C 13. 14. 16. cepies are made of each. One copy of each is filed in the inspection department and one copy of each is sent to the producti:n control depe tment. Upon receipt'of the rejection report and the reject ticket, the production control department makes an inspection report (see Fig. 43, p. 97) end a shipping order for the return of the defective material to the vendor. This is made in three copies. One is filed by the production control department and two are sent to the inSpection and salvage department. when the shipping order is received in the inspection and salvage department, the material found defective is returned to the vendor with a COpy of the shipping order. When the material has been sent, the second cepy of the reject ticket is sent to the production control department. One copy of the shipping order is filed in the inspection and salvage department. When the second cepy of the reject ticket is received by the production control department, a copy of the inspection report is sent to the vendor and a copy is sent directly to the chief inspector of the vendor com- pany. This serves as information to the vendor as to the defects and reasons for return, and also serves as record of return for credit. When the individual workman has completed the day's V.“ NVl l‘w-‘v Fig. 43. The inspection report used by Company "C". 98 work, he makes out a time card (see Fig. 44, p. 98) and gives it to the foreman of his department. 17. The foreman approves the time card and sends it to the cost department for payroll purposes and for costing of the individual jobs. This completes the cycle of forms and controls used by Com- pany "C" in their control of production. Fig. 44. Upper: The time card used by Company "C" for productive labor. Low- er: The time card used by Company "C" for non-productive labor. 100 V It 6 Company D The Wohlert Corporation is the next illustration which will be used in this study. It will be known as Company "D" for this discussion. The manufacturing plant is located on East Grand River near the north town shopping district of Lansing, Iichigan. The Wohlert Corporation was established about twenty-five years ago. Since that time it has grown to be about the size of a full city block. All work is done on the ground floor. There is no second story to the plant. The company now employs about two hundred and thirty-five persons. One hundred and ninety are hourly wage earners and about forty-five are salaried help. Two shifts are maintained and Operated on a forty-five hour week. This repre- sents a nine hour day and five days a week. ‘At the present time he plant is operating at full capacity in production. If materials will permit, the company plans to expand its facilities. The president studies the sale of the products and deter- mines what products and what quantity to produce. Some work is contract work for other companies. This requires no particular forecast. Other products are for direct sale on the retail market. This forecasting is all done by the president. Ring gears for engine flywheels are made as a chief product. One hundred different kinds of these gears are made. This quan- tity will cover almost every common type of engine made in this section of the country. The combined production of these one hundred different gears amounts to about fifty thousand finished 101 pieces per month. This is taken as an average figure over the period of one year. About seven hundred different small assemblies are made. These are mostly repair parts for engines. Some of these are obsolete and some are now in common usage. Chief examples of these are oil pumps and water pumps for various types of engines. No estimate of production for these items can be given because of the periodic production of the parts. First one type will be manu- factured and then a switch to another type is made. On an average, about fifteen major parts are used in eadh small assembly. These small assemblies are marketed under the WOhlert name. 1‘ - “4-- .51..\... ............ .- ...a. :7... .r r 1.. . .. ...... ...-...... T... 3. . . 5...}: ..u........ m\vJ..\ 3(3),. ......tl...({l A... 3...: .. . ‘1...» Ixif1§¥ell. 1“"... Gail v+| . III!!! 2’13. lint/0.. ..Ll.‘.lu(.$l-Aw.v. d F w m .fl 4» M . m _ . V . . . _. . ... . .... .. _ w m U . . ._ .. . .. .. .. . c . . . . . . .. . ..\ 1 .U . n a . . In .. ...-...... . . . . H H _ . .. . _ . . .. ..Q w . . . . .. . . . » . . . . .. . . . ...-H ..-... _ u A... 3 n w M . .... we. . . . - w . 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M“ fl... . - M 7 a L w N . $ 1 . .. k . 105 Explanation 2f the procedure chart for Company_"D". Each step on the procedure chart (see Fig. 45, p. 102) is followed and a full description of each detail is given. 1. 2. The president of Company ”D“ determines, from his own sales forecast, what should be made during the follow— ing week. This information is written up and presented to a committee for study. This committee is made up of the top executives of the company and is called a group board. In the group board meeting, each item is care- fully studied and the quantity on hand is checked and the information is noted as to supply. The minutes of fiiis meeting are written up in tabulated and condensed form and sent to the departments concerned (see Fig. 46, p. 104). One copy is filed in the permanent file and cepies are sent to the purchasing, production and production control department, shipping department and sales department. Upon receipt of the minutes of the joint board meeting, the purchasing department makes out a purchase order (see Fig. 47, p. 105) for the material which will be needed for the production of the products listed on the minutes of the meeting. Four copies of the purchase order are made. Two copies are filed by the purchasing department and the other copies are sent to the produc- tion and production control department. The original n. '9. n. l. .0 It. a». It. I" “o 3.- .0. no “0 a. ‘C. u. u. it u. I ‘0. a. 0' -Qr.. l l on, C ' K. ". tn; $02 I”! w-lu. lJI--.:|l._ a! rovr'. LG!- .“.I A In: ‘ 30" Ooh oi.- - '-- om-r. IJ1~ l 1. “. drl-an " ...-1r 0- o 1.. \IJ .11 u n.:-.r_ ll II. .0 wnlufl;r--I—. - ~... "0 CI ‘OW ’0 14- Il-l o 1". 3“ C. - 60-11 h 3.01 " — r' 10 out“. ll uni-n '. 1. ant. 3' nir‘. M C M-'N<'tt .'.u.[‘. to r;.., ‘00! 1mm:— mAHL o_'.'. r . ml M 1‘15 C. “all” .... |’ I 2»... ..rl toll. L. :2... ! u Dot. It“. “Ah. ”4 "i‘ C'...‘ wash..- - "I u can. Jacldt w‘ 11'. «h J- m. III} M .- mound. III-H4. 0m 8w (-0“ will adv.) Fig. 45. meeting used by Company "D". The minutes of the group 105 n‘nmm‘ m \\mll.l;l:l ('HHI‘UR.\TION I \\~|n.\ HIfllkuN . 01. -al u—a..-.-I.—-..—.- ‘ . —.. - . -.r -1 .u. w . .p '3. urn-mu II'I ”NIA- s . - .4 . . In nu “\CIII A“ Ir!- . . . .e... .u I“ Inn hl J I!“ _ _ _ — ...-m ,_ _,,,.._._.. ..."... d. .... ...... .... u. an... t. u. may Sufi-5;}u—a ...-£64. .- hit—Id- DoN.. Tet-I 2 .- nan-OH.- “ d 1- *‘ ur HIDII .. I - .3 Z: - .I / . mem Fig. 47. The purchase order used by Company "D”. 3. 4. 5. 6. 106 copy is sent to the vendor company. The purchase order may cover a greater supply than is immediately needed. By comparison of the minutes of the group board meeting and the purchase order, the number of pieces which are needed immediately for production is determined by the production and production control department. This number of pieces is recorded on a purchase order before it is sent to the vendor. This states when shipment is needed and the number of pieces which are to be sent at that time. . Upon receipt of the purchase order, the vendor company will send the required material to the receiving depart- ment of Company "D“. The material will be accompanied by a packing slip which contains the quantity and parts which are sent. The receiving departnent then checks the material which has been received against the packing slip. Part num- bers and quantity are checked. The packing slip is signed by the stock checker and is sent to the purchas- ing department. The purchasing department makes out, from the informa- tion on the packing slip, a daily material received sheet. This form contains all information necessary to completely identify the articles received. Four c0pies of the daily material received sheet (see Fig. 48, p. 107 25:21. a: .I-l a...) Dan-I'd Jam to. m 0 Mon.- Dun-u I hur- vr. tan-mm ...”? Ifr. {canon- a" I LII bnfion war 3 10”) :0? H 29“": I"! ~10 '0" My ‘ufl in I L1 fl’fQ ,1. ail'r' O." '1! I-' 11 "r! "- o '1r. .4 ' I OQ r. A ; r‘ ‘J! III .I -.- .. ........ II'I'.'..' . Fig. 48. The daily material re- ceived sheet used by Company "D". 7. 8. 9. 108 107) are made. One copy is filed by the purchasing department and a cOpy each is sent to the production and production control department, shipping department and to the sales department. Upon receipt of the daily material received sheet, the production and production control department issues a written order on memorandum paper to the shOp foreman. This memorandum is called "avoid verbal orders" sheet (see Fig. 49, p. 109). Two copies are made. One is filed by the production and production control depart- ment and one is sent to the shop foreman. This tells the foreman what job is to be done next. It contains the item to be made, quantity to make, and specifica- tions of the product. The foreman then gives verbal orders to the workmen as to their individual duties in the setup of the job. The avoid verbal orders sheet is kept by the foreman until the job is set up. When the job has been set up, the production and pro- duction control department issues an official work order (see Fig. 50, p. 110). The work order contains essentially the same information as appears on the avoid verbal orders sheet. This form is made out in two copies. One copy is filed by the production and production control department and the other is sent to 109 Avoid‘ Y9.'b'.l, ‘Ordcn Fig. 49. The avoid verbal orders used by Company "D”. 110 Fig. 50. The official work order used by Company ”D". 10. 11. 12. 15. 14. 15. 111 the foreman as official notice to start production on the item named on the work order. The foreman retains the work order until the job is fin- ished. Upon completion of the job, the foreman returns the work order to the production and production control department. The production and production control departnent studies and notes that the work is completed on their cOpy of the work order. The work order is then sent to the cost department. The cost department uses the work order to cost the job and figure the total cost of production. This informa- tion is used for future use in estimating the cost of production of a new product. At the end of each day the workman makes out a daily time ticket (see Fig. 51, p. 112). This form contains all information necessary for the payment of the employees and data on the total production by each employee for that day. One cOpy is made of this form and it is given to the foreman. The foreman checks to see that the employees have not made any errors and signs it as his approval. The time ticket is then sent to the production and production control department. The work done is entered on the graduated work sheet 112 Fig. 51. The time card used by Company "D". 113 (see Fig. 52, p. 114). This sheet shows the part in process, the Operations which have been completed and the time Which has been used in the production of each part. This form serves as a record of the production in progress for every part which is being manufactured. One copy is made of this form, and it is kept in the production and production control department. After the recording of this information, the time ticket is sent to the cost department. 16. The cost department figures the payroll from the time ticket. The time ticket also serves in estimating the time required for future jdbs and for individual Opera- tions. 17. The inspection department issues a daily inspection report (see Fig. 53, p. 115). This gives the part and the quantity discarded. This form is made in tripli- cate. One copy is filed by the inspection department. One cOpy goes to the purchasing department to serve in future ordering, and one c0py goes to the production and production control department. 18. The production and production control department enters the information on the graduated work sheet so as to give an up-to-date number of pieces in process. This completes the cycle of the forms used in the manu- facturing of Company "D". 114 A‘ ’V 1. ‘ 1 . . v—- .... .—. '\ -\ r . r - — , i ~ “\ , ‘. I \ I I , . L . . \u- . . , r- ‘o e . a, s ‘1 ,fi _A « . : .‘-—\ - w..._.-_._..—i. ......F..- a . ,- 'lfr'" V.-~v~l .u - A. n‘ . ). y‘. ' n .1 g . , . . . 9],... . - ,._..,..._. .u-....... . . a n -, r _ . , *x w -' V J u t r , '— .- l ‘ _ \ x . .I _l J. -1 _ "' ”" ' ‘1 ‘1" - myr- ‘ *M»«.~ n .. .-—.~9~~-~-‘-~ 4 u «A -—. "'-\.~I—ma-n+~~u§~*~wuc‘-1,A..—-aa«~u;«~ 4 , .. . w .. ... .-- ... U I 4 3...»..- -... .ewmo V; . 1’. no; 1' f < .2 g % .i -i P i . - ... _~_,.,m._.'....._.,,—. »~. _ .. ..~......._ri _‘ -..-l... .1. (“"4“ ......AL.~.~-_.-...... .. V ~.- x, -Ay..4.i.~. . . 4 ......M...“ _ .. . i ,. . - x J . . . . , V 1 .. . . 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'r c‘ A. ‘1 ‘fifik - '(1’ ‘fi. ;" h J- . , ..a L _‘ Wain. «41 V -.> "A a a 'u’.\ Vi. 4"] . _ —--_..~l~.....‘....._...-... w... ”was“ ....-s -.. ..-"--. ..W__- a,“ . a . 3777' ..‘74 "r - a. ... ... “mug-’3- . mi-.. in...” _. - ~c- w r‘T—vv— . g ‘ ' V ,, ,. : \_ - V ‘ ‘ ~ :_ i r i ‘ \ I " ' \i I‘ ,, l - ‘ ' ,v ..m“-.§.~ -..-.. ..-s. mania...“ 15.“... --a. 1.-..-. ....-.-....~-.-.V . n u ' ‘ .1 -. ..., . -..~.4...._. ...V. ...._.,.- .,_. ‘_.IV_ . -..-.t. a"-.. . . T1?- .. ...--- .---_..-..» »- JM ». .—\—-. 4 n ssh... M. " ' ’- I_..:N'~"’~'-.l I ' ‘ ‘w—p 14-:wlvhn< ,~_....V _~. .. W..-,~~-.. ., .. -.q. -. ‘ , ’ x~~ n — "- ~~v -c.»,-..-.-u.7~. , J .,, ,. 1“ 1"" "‘""“"—“" I I i ' , 1‘.“ «.l “....“- - :N—n .-- ... V ...~ --..4 Explanation of the procedure chart for Company n . Bach step illustrated on the procedure chart (see Fig. 54, p. 118) is explained in detail in the following paragraphs. 1. 2. 3. The customer determines is needs and sends to Company "5" his requirements in the form of a sales order. Two copies are sent for the use of the compan". The general manager receives the sales order and studies the order for information of general interest. The two copies are then sent to the production control depart- ment. Upon receipt of the sales order, the production con- trol department sends one copy back to the customer with a notation on it as an acknowledgment of the order. The other cepy is used for making a Kardex file card (see Fig. 55, p. 120). This card contains all of the information on the sales order and space is left for scheduling and shipment of the finished item. This form serves as a record of just exactly where the order is and how much is to be sent and when it is to be sent. One copy is made, and it is filed by the pro- duction control department. Cost cards (see Fig. 56, p. 121) are also made for the cost department. These cards contain the information necessary for costing of the entire job. The cards are sent to the cost depart- ment for their permanent files and future use in deter- 120 Fig. 55. The Kardex file cards used by Company "B". 121 Fig. 56. The cost card used by Company "E". 4. 5. n Operation. A production order 0 mining the cost of ea *1 is made out for the work to be done (see big. 57, p. 125). This form contains the information necessary to determine the work to be done and the complete shipping schedule for that material when finished. Four copies of the production order are made. One is filed by the production control departnent and the others are sent to the purchasing department, sales department and the shipping department. Upon receipt of the production order, the purchasing department determines the materials needed and the vendor company from which the goods are to be bought. This information is made out in the form of a purchase order (see Fig. 58, p. 124). This form contains the quantity and specifications of the materials ordered. Four copies of the purchase order are made and one is filed by the purchasing departnent. One cOpy is sent to the production control department and one to the steel room. The original copy is sent to the vendor company for shipment of the required material. The production order is then sent to the production depart- ment for use in producing the item. The vendor companyreceives the purchase order and sends the material ordered to Company "B". A packing slip is made out by the vendor and it is shipped with OML STEEL “CL“.(Y': (LE -‘-" "June Crew Fig. 57. The production order used by Company "E". 1 3 124 Alum-um“. air-o I"! orb-Haunt at no. .vhr .w‘ . * m Run! n.» ar- 1- - , m D IN. cvdov Fig. 58. The purchase order used by Company "B" 6. 7. 8. 9. 125 the material. The packing slip contains all information necessary to completely identify the parts and the order sent. When the material is received in the steel room, the stock checker checks the material against the packing slip and it is signed and sent to the cost department. The material received is entered on a receiving report (see Fig. 59, p. 126). This contains essentially the same information as the packing slip. Two copies of this form.are made and one is filed in the steel room. The other is sent to the purchasing department. The purchasing department checks the receiving record against the purchase order to see if the prOper amount of material was received as ordered. The receiving report is then sent to the production control depart- ment. The production control department enters, on the schedule section of the Kardex file made in step number 3, the quantity of material on hand for production of the item ordered. The receiving record is then sent to the cost department. The cost department uses the receiving record for pay- ment of all bills due on the received material and for costing of the production of that item. The packing slip and the receiving record are then filed in the Fig. 59. RECEIVING II'OIT .- un an. m on 0.0.0.0.... The receiving report used by Company "E". 126 10. ll. 12. 127 cost department. The production department receives the copy of the pur- chase order which was sent to the steel room. The information on this form combined with the information found on the production order, which the production department has previously received, enables them to make out a Kardex file exactly like those used in the produc- tion control department. The Kardex file is kept in the production department for their use. The production record is also made by the production departnent (see Fig. 60, p. 128). This form contains the quantity to make, the order number, the part number and leaves a Space for the entry of each day's produc- tion. One copy is made and it is filed by the produc- tion department for their use. The sales department receives a cepy of the production order. This gives them.the general information which is required as to the order receipt, and the progress in the production of the order. When this information is acquired, the sales department sends the form on to the billing department . The billing department makes the packing slips and invoices for the shipment of the finished goods from the information found on the production order (see 128 ...... paoouc'non mono 0...... an»; 1 I C O 9 V 0 a “...-..-. ~..——._...—.—.—--O- . . --. -, . -..—...AA._ “w -..—-_.-..._.-o.._..... —--. .. -._. Fig. 60. The production record used by Company ”E". 129 .1; Rib-V» /U x) - --- ~-- ...!“- . . mvonc: . OAIL STEEL PROOUCYS CO. -' Oxlfll.’ a II I MUM $VAM~6$ no A‘HI‘IV Iron LAO-140.6 r Inc-06M . . w IOI ’Uw' ~1- 5 n .4 u- m u“ ‘ ‘t—. N ' aka-Aces" cave-cu an on w ovum nus-ovo- -~ ~ - 7. Fig. 61. The packing slips and invoices used by Company "E”. 13. 14. 130 Fig. 61, p. 129). The packing slips and the invoices are identical except that the packing slips do not show the selling price of the article. These forms contain all of the information necessary to completely identify the goods sent. Four copies of the packing slip are made. Two COpies of the invoice are made. One copy of each is filed by the billing department. One copy of each is sent by mail to the customer in advance of the shipment of the goods. One copy of the packing slip is sent to the cost department and one is sent to the shipping department. Upon receipt of the packing slip and the production order, the finished goods are sent to the customer. The packing slip is sent along with the shipment of the ordered material. As the material is shipped, a ship- ping schedule is made (see Fig. 63, p. 132). Three cop- ies of this form are made. One copy is filed by the shipping department, and one copy is sent to the cost department and one to the production control department to certify that the shipment has been made. A production schedule (see Fig. 62, p. 131) is made out by the production control departnent. This form shows the part, the number ordered, the number shipped, and the status of production on the parts. This gives a 131 Fig. 62. The production schedule used by Company "B". DAILY sum/«ems Fig. 63. The shipping schedule used by Company "B". 132 15. 16. 133 complete picture of the entire production and possible delivery date. Four cepies of this form are made. Two are retained in the production control department for use in answering customers' questions of delivery dates. One copy is sent to the production department and one to the shipping department. Upon receipt of the production schedule, the production department schedules the work for the individual machines. This is done on a schedule board. This board contains two spaces for each.machine; the top space is used for the job now being worked on, and the bottom Space is for the job which that machine is to be used for next. The scheduling of each machine is indicated on this board from.the information on the production schedule. A work sheet containing the same information, but in more detail, is made out for use in the department. This form is a memorandum pad used in the office of the production department. The foremen receive verbal orders from the production department, and also have access to the schedule board and the work sheet regarding the work which is to be done in their department. The foremen in turn issue verbal orders to the workmen as to their specific jobs. At the end of each day the foremen make out a time ticket for each workman (see Fig. 64, p. 134). One copy 134 Fig. 64. The time ticket used by Company "B". 135 of this is made. It contains all of the necessary information for payment of the employee. The time ticket is sent to the time office. 17. The time office completes the information on the time ticket necessary for costing the job and sends it to the cost departnent. 18. The cost department takes the information given on the time ticket and uses it for the payroll and for the determination of the cost of each operation and for each sales order received. This completes the cycle of Operations used by Company "B” in the control of their production. 136 THE FORMATION OF A RECOMhENDED SYSTEM Each of the systems illustrated earlier in this report has been studied in an effort to pick out the good points and combine them into a system which would be suitable for use in a small plant of less than two hundred and fifty employees. Each individual manufacturing firm has its own characteristic problems. This may be due in part to the difference of ability of the men employed to head the different departments. Also, the arrangement of depart- ments and the duties which are assigned to those departments are very often different in each organization. The product itself will cause major variations in the procedure. As a general rule, small plants will have many functions combined as the duties and responsibilities of one department head. This is a direct result of the small amount of time which is required for performing the functions of some of the lesser departments. This results in many prOblems which will have to be allowed for if a standard system is to be made. A.typical plant, of the usual departments, has been assumed for this stidy. If fliis system is to be adopted, the departments may be rearranged as is seen fit by the company which is adopting the System. A procedure chart has been.made for the typical company, and each step is explained as the forms progress through their routes for the control of production. The procedure presented below is one which it is thought 137 will be applicable in any plant of less than two hundred and fifty employees. The forms chosen to represent the typical company are taken from the forms used by the different companies studied. They are the most suitable ones to serve the purpose indicated in the procedure chart. Recommended Procedure Explanation of the recommended procedure. The recommended procedure which Should be followed for a small company within the range of fifty and two hundred and fifty employees is shown on the hart (see Fig. 65, p. 135). This is a compiled method made from the study of the small plants in this report. each step is ex- plained in detail as it is given on the procedure chart. 1. Some organizations work from a sales basis. These companies do not make the finished item.unti1 an order for the article is received. For these companies, it is recommended that a formal sales statement be sent to the company in two copies. By request, it is usually possible to have the ordering company send two copies of the order for use of the producing company. 'Where it is impossible to obtain two copies, then the general manager will have to make an order acknowledgment and return it to the ordering company. For those companies that work on a sales forecast rather than on an order basis, this step will be neglected. 2. Upon arrival of the sales statement (see Fig. 66, p. 140) at the producing company, the order should go first to the president and then be circulated among the com- pany executives whom the president feels must have knowledge of the individual orders. This usually will 139 Recommended Procedure Ex.lanation of the recommended procedure. Tne recommended P . procedure which Should be followed for a small company within the range of fifty and two hundred and fifty employees is shown on th chart (see Fig. 65, p. 138). This is a compiled method made from the study of the small plants in this report. each step is ex- plained in detail as it is given on the procedure chart. 1. 2. Some organizations work from a sales basis. These companies do not make the finished item.until an order for the article is received. For these companies, it is recommended that a formal sales statement be sent to the company in two copies. By request, it is usually possible to have the ordering company send two cepies of the order for use of the producing company. Where it is impossible to obtain two copies, then the general manager will have to make an order acknowledgment and return it to the ordering company. For those companies that work on a sales forecast rather than on an order basis, this step will be neglected. Upon arrival of the sales statement (see Fig. 66, p. 140) at the producing company, the order should go first to the president and then be circulated among the com- pany executives whom the president feels must have knowledge of the individual orders. This usually will I HILI'HWLENGflWECCL "I" l um; um I i L“! l ‘MN'O r I -33'2“».372..‘:'.‘.1.m.'!’f‘.'7“‘“.”.“""31? WM v: 0 I! Mr “n: i I erTrj:a,n_.-A I|;'OID'|‘I _ -1 ‘ 7 j . E I ‘0 SI '1! ‘ “— 17$»;El‘— _ inn-m.- -_‘ F hh-v “karat-cui- ‘~'-l~r¢ awn-nit. pom— w d u I ,,,,.,..1- tun—...nqtlt‘co. ‘ ELI...“ .... -“ ' f, . ..ah - '1" ~ ' - '0 - -.a A'V‘ m. ...... ' I .... ~' 0‘ “ "' "’"“ no... -..45.v-~-«-~JL..~.- -~..:'..‘--.. . - stand"- I- . " ’ "1‘.- t ‘ "...":N i. I Ma! mums... r‘-:- “vi... 0‘... u-.. - ~....~.-,--.al'b-u~-~I~-H ‘ I g -—‘< - a.- -.~-~¢-§ d.“ I ...-.... II h-pw-po-‘fiuuuvoanm.~,~-Ig. ,_. . .1. u “,1.-. Duo-4H I. .... .3, ”a..- h .‘_- d h.- .------~r‘- I‘ll-w p-nmuc—uup-s. W m Fig. 66. This form might serve as a sales statement for any manufacturing company. 5. lél not be very many pcrsons-—possitly one or two at the Q most. Each of these .xecutives who must see the indi- l-xo. [iv ‘41.’ Lfioo ul - 1 1 f Vidual order Should make a sales record \se (U 3 p. 1&2) which w'll contain the information given on the sales statement, and this record should be kept by him for use in reference to orders. The sales state- ment is then sent to the general manager. In the case of companies which work on the order basis, the general manager, who is usually the president, will make up a general schedule (see Fig. 68, p. 143). This schedule will contain all of he information given on the sales statement for all of the orders which are on hand at the time. The orders covered should extend over the entire range of orders ahead; provided that the orders are not received for more than three months in advance. In the event that the orders on hand are for a greater period than three months, then the orders should be filed for use when they are within three months of their production. The schedule should be revised at not any greater intervals than one month periods. The scheduling need only be an itemized list which will give the sequence for filling of the orders. This need not be a detailed schedule havin« 5 the general priorities of the orders and approximate tines of pro- duction. Six copies of the general schedule are made 142 Fig. 67. This type of form could be used for the sales record for the typical company. Fig. 66. This form could be used for the C;eneral schedule for the typical company. 1‘13 lid and one is filed by the general LnnaJer. The copies are distributed as follows: One to the production department, one to the engineering department, one to the production control department, one to the sales department and one to the shipping departnent. For those companies that work on a bank of material or direct sales of a finished item on the Open market, a general schedule should be made for the anticipated yearly production. A sales forecast should be made for the coming year from information received from the sales of the previous year, and from a business forecast and the general knowledge of the markets for each item of manufacture. From this information, a schedule of production for the entire year should be made up. lhis will not be too detailed, but it should contain the general picture for the year. Some seasonal products are usually produced, and tnis should be included in the general sdiedule. The schedule will show the pro- ducts to be made, the quantity of products to be made and when production will start on them. This should be revised in periods not longer than every three months. Six copies are made, and the distribution of this Will be the same as for those companies who operate on the order basis, as given above. 4. 5. 6. 145 Upon completion of the general schedule, the second copy of the sales statement is returned to the order- ing company with a note on it to the effect that the scheduling of the production has taken place and the contemplated time of production has been set. The other copy is permanently filed. From the general schedule received from the general manager, the engineering department will make a bill of materials (see Fig. 69, p. 146) for the product which is to be manufactured next. This bill of material will contain the individual parts and the number of each part which will be needed in the production of each finished item. This does not apply to those companies that make forgings or stampings, etc., where a single part is the finished product. Three copies of the bill of materials are nade, and one is filed by the engin- eering department. One COpy is sent to the production control department and the other is sent to the pro- duction department. The general schedule is filed by the engineering department for a permanent record for reference and future use. The production control department reviews the bill of materials and the general schedule which they have re- ceived, and determines the material needed for produc- 146 l r ‘ . l A It I c I I“ l I. ' 0 l‘ um I ~ ' 1 ‘ V’- ‘n .. l o ‘- n "I “ ' § .. - 0 I A o . 1 : ‘L 1 I - I l .. . 2‘. I ' u , ... " c c -0 0 I ' " "‘ 7' O ‘ u" ’p I 1 - . - '1: .3“ .- ~54 ' . ', " o “ I’ I .01, " . I -1. - 3‘ , - J - .. ‘ ‘ 1 _ I... ;_ w' . .2, c 1 ' -.'~ I i. ‘. f. l . .<- ‘-,_ : .c r 2 ; : ‘~ ‘ . i . 2;- -‘ L' »" :‘J‘ 2 ! 2-; a- P??? ' .12ng‘r 1 ;-_ —~( no " V r 1 l .7 MI r V " i I - )2“? 2 CV. . IV. -1 _ 2 r s . c . r iJ-ul 2 ‘yf C:-_: ': ., L. 11., l1"'~15/’ l 1'33 7 ‘ .“. ;,m. an. r, .2-): 1, steel, 2,“ 7 ' i Fig. 69. This form could be used as the bill of material for the typical company. 7. 147 tion of the item. The raw stock to be ordered, or the finished parts to be used in the production, is entered on the purchase requisition (see Fig. 70, p. 148). This is a note to the purchasing department requesting that certain material or parts be ordered for use in the production of the scheduled item. The purchase requis- ition will contain all of the information necessary to order and identify the raw material used. Two copies are made and one is filed by the production control department. The other copy is sent to the purchasing departnent. Upon receipt of the purchase requisition, the purchas- ing department will determine the vendor that the material will be ordered from. This is determined from the price of the material and the date of delivery which the vendor will give._ After the vendor has been chosen, the purchasing department makes out a purchase order (see Fig. 71, p. 149) for the required material as specified in the purchase requisition. The purchase requisition is then filed and the original of the pur- chase order is sent to the vendor. Three other copies are made of the purchase order. One is filed by the purchasing department for checking the material received with the amount ordered. One copy is sent to the pro- PURCHASE REOUISITION — DIRECT MATERIALS WKNAIIDIO I)!" nun 009‘ u ‘u vac-” on an! m (In-II, 1 1 an "I urn-n — —. v — ~ \ ‘ nun-:- '* - IV. E I N'LL OICOIL ham ‘2’)" L“- .‘w. Fig. 70. This form represents the purchase requisition which could be used for the typical company. 148 o » . - ... ' a url - 0- Ovv-donnbt— v _ . ...-AM \\ "mun (‘HRI'ORATIOS I “an“. Mamas.“ ..--~~ ov-. «I‘nwwOu-mhh t-v..»u~.A~ .l ”-‘uSAthmm I.."I .....4... .--l—l.—-~I. ..»---....—u—Mu~\-- ... manna. ‘wvovl‘ ....v n... can .ubmh II- vfiiu;;bup~ihwoih;;fi I‘M- - II ‘3‘ I. ...-OH.- wd ”fl. B Q L p- I - I .: - j! ,5 1 '; m rm'nn WI"! Chrymuinn Fig. 71. This form represents the pur- chase order used by the typical company. 149 8. 9. 10. 150 duction control department to show that the material has been ordered. The last cepy goes to the general manager to give general information on materials being ordered. The vendor receives the purchase order and either starts production or ships the ordered material from its supply on hand. In either case the material is finished and shipped to the ordering company with a packing slip (see Fig. 73, p. 152) attached to the material for con- venience of checking the shipment when it is received. While awaiting receipt of the ordered materials, the engineering department makes out a route sheet (see Fig. 72, p. 151) for each part of the finished assembly. A route sheet is made for each part which will go into the finished product. This will show each operation which the individual part goes through as production is completed on the item.scheduled. Three copies are made and one is filed by the engineering department. One is sent to the production control department and one is sent to the production department. When the route sheet is received from the engineering department, the production control department schedules each operation for each part according to the machine to be used, the operator to do the job, and the exact .m“. In _ FIF‘CAYIONI aruguL INIYRUCY'ON. lllE ROBE" MANUFACTURING (0 E ROUTE SHEET ‘- -M -—- »»-—--""" . “3:.- is...» m..- o' DOC-“0" ‘ ——— l .— .., " ...“ __ Fig. 72. This form represents the route sheet used by the typical company. 151 152 V~I.~»-- - 1' f} A) ”53.3) . .. o u- -.- _— mono: DAIL SYEEL "000675 CO. lwctm at W“ “M“S no “‘1 won MN. I Fig. 75. This form represents the packing slip which would arrive with the material ordered by the typical company. 153 true when the work is to be done. This information is set up on a manufacturing schedule (see ig. 74, p. 154). There are numerous ways that this schedule may be set up. For this size of company, the information should be set up on a sheet which can be issued either daily or once each week. It is recommended that some type of control board be set up in the production con- trol office. The Kardex system or the Produc-trol are two very good systems available for use. These systems give a visual picture without too much time being wasted looking for the parts which are behind in production. The manufacturing schedule will serve as a work order to the shop. It is recommended that this be issued daily from the production control department. This gives a closer control over the items which are falling behind in production. Six copies of the manufacturing schedule are made. One is filed by the production con— trol department and one is sent to each of the follow- ing: the company executives, general manager, sales departnent and shipping department. The main purpose in sending out these copies is to give general informa- tion relative to production. The original cepy is sent to the production department. For each job or operation which is listed on the manu- 154 Fig. 74. This form represents the manufactur- ing schedule used for the typical company. More detail will be shown and a shorter period of time covered, but the setup will be the same. ll. 12. 155 facturing schedule, there is a job card made out (see Fig. 75, p. 156). This gives all of the information needed to completely identify the work to be done. One copy is made of this card, and it is sent with the manufacturing schedule to the production department. For each job requiring raw stock which is drawn from the storeroom, there is a stock requisition (see Fig. 76, p. 157).made out which Specifies the stock which can be used for the manufacture of that part listed on the manufacturing schedule. This form is made in dupli- cate. One copy is filed by the production control department and the other is sent with the manufacturing schedule and the job cards to the production depart- ment. All of this material should be sent to the production departnent the day preceding the time it is scheduled to start production on that job. The production department receives the manufacturing schedule accompanied by the job cards and the stock requisition. The manufacturing schedule is retained in the department for guidance in performing the work. The job cards and the stock requisition are given to the department foreman, where the work is to be done, as the individual jobs are to be started. The foreman of the department assigned to the work WT It. own I; ”I! ”or .2: ..- -... M “II I —'l ‘ m Iv _ Ouu on“. tau-c. 1‘ .m— 0—- ‘ an ; can ”7‘ ‘ nu- no... ‘°"" '° '0' . *- ... hut-INCL Int—Q otl‘gvov-oub‘. o. ____l, __ Fig. 75. This form (lower) repre- sents the job card which could be used by the typical company. 156 157 nous um. SEEL, _ REQUISITION Fig. 76. This form (lower) represents the stock requisition used by the typical company. 13. 14. 158 gives the workman the job card for his job and the stock requisition for the material which is required for that particular operation. The workman will put his name on the job card and punch the card in on a time clock. He then takes the stock requisition to the stockroom and draws the material needed. The material has now arrived from the vendor company which was chosen to supply the raw material. A pack- ing slip has been attached to the material for each shipment sent or for each order, whichever one is smaller. Upon receipt of the material, the receiving department checks the material received against the packing slip. Any material which was billed and not received is noted on the packing slip. From the pack- ing slip, the receiving department makes out a stock tag (see Fig. 77, p. 159). This tag contains all the information necessary to completely identify the material. The tag is placed on the mv erial as it is received. The stub of this tag is pulled off and used as a check and running inventory. When the stock is used up, the stub and the tag are destroyed together. A receiving report is also made out (see fig. 78, p. "' . 1 ' z '- i Sam 'nf r; i fl&u a.ac s 160 Tiis ceitains the r a 1r 0 mat on t ‘t 0pgear on the packing slip. Four copies of this are made. l 137? "(0‘0 0 “Am” mono U “Haul -.I..nu. u.” 3. 77. This form represents the co; tags used by the typical co::1pan‘~ . 100 I": mm I 1" I." _a :, ~-;fi : In - F20" :"° » A? B'ewvfm'm rand Tm' ',. . _ _— 3.” - 3’ , x u :—,__ j A. root ' a.” m m;,r “ . : the receiv_ -01 an 1 COmDany. 17. 161 One is filed by the receiving department. One is sent to the production control department and one to the pur- chasing department. Th, last copy is sent with the packing slip to the cost department. Upon receipt of the stock requisition, the storerocm in the receiving department issues the listed material to the workman and deducts the stock used from the stock tag. The stock requisition is then sent to th ‘ production control departnent. The workman upon receipt of the stock completes the job as Specified on the job card. He then punches the time finished on the job card and gets another job card for a different job. The job cards are picked up by the production control department. The production control department enters the jobs fin- ished on the control board, which is kept for the conven- ience of the department in spotting the slow points in production. The job card is then sent to the cost department. The cost department uses the job card for costing the individual Operation and for the costing of the entire job. The time, at the piece rate given on the job card, is allotted to the individual workman and this is used for the making of the payroll. 18. 20. receives the stock 911 ’1 d- :7 E i d" mhe production control dep requisition from the re~eivine department storeroom and C‘ deducts the material used from the stoche' material record (see Fig. 79, p. 165). It is then sent to the cost department. The receiving record is received and the information is recorded on a stocked material record. This record is for the use of the production control department in rdering, through a purchase requisition, the material needed for future production. The receiving record is then filed for future reference. The purchasing department compares the receiving record with the purchase order for checking the material re- ceived with the material ordered. The receiving record is then filed with the purchase order for future refer- ence. The cost department receives the receiving record with the packing slip and makes all necessary payments on the material received. They are then filed for a permanent record of the material received. The stock requisition is used for costing of the mater- ial for a particular job. It is then filed away for future reference in estimating the cost of future pro- 163 Fig. 79. This form.represents the stocked material record which could be used by the typical company. duction. This is considered by the author as the most efficient method which could be employed by a small company in the Operation of their production control procedure. It is true that the indi- vidual company will have to make some adjustments for its partic- ular plant, but it is believed that if this pattern were to be followed then an efficient production control system would be in use. The system embodies all of the principles and aims of pro- ducticn control. They are briefly restated here: 1. To regulate the flow of material from the entry of the raw material to the shipping of the finished product. 2. To take the customers' orders and translate them into production orders. 3. To send the product through the plant at a rate and sequence that will produce the product on time and with the least amount of expense and confusion. 4. To produce file right product at the right time and with right quality and quantity. 5. ~To reduce work in process. If all of these aims are taken into consideration, then it is very likely that the procedure will be a very good one. l‘ I‘M A ...» ll.‘ .fllIIllll-l' IIIIII 175 8398 ‘|| 'I‘l | .lllllll ||| III“ | ‘III' ||||l .III'.‘ |||||||I II‘ I" I‘ll- IIII l||||‘ ‘ll I‘ll I‘ll! |||| ||I| III-I'll \- nl‘l' |I|I||l ‘II'.| ‘I. III‘ '|| 1“ |I||| I|||||u ||l| '||||Il um: 03 \|\\|\\\\\|