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“g; ehAlUgfl SCJOQL
MICLLGAE STAI; UCQQLGL
EY
G. W. QUICK
”
CanéiCate for the Professional
legree of Lechanical lngifieer

1939

TH 5515

G: o \3. i

Preface

Dies are so extensively used in the production of an end-
less variety of sheet metal parts and products, that die de-
sign, construction, and pressed metal engineering is a subject
of importance to almost everyone interested in modern manufac-
toring methods. This thesis deals with the method of design,
commonly followed in the industry; together with a few facts
and elementary essentials for the designers to know, follow,
or where to obtain such information. Since designs of dies
and methods of construction must be based more or less on
past experiences or upon the knowledge of existing designs,
which have proved satisfactory, it is evident that the die
designer, by studying what has already been done, frequently
can avoid useless and costly experimenting by utilizing the
methods or principles which have been tested in practice. The
purpose here, therefore, is to supply such information, by
presenting in as compact form as possible, illustrated des-
criptions, covering die design and {ressed metal engineering
practice, which have been approved by the industry and such

engineers in general.

An effort has been made to deal tits the fundamental
principles and to give infoxmaticn, that is not only relia-

Lle, tut of practical value to tiose EthCT contemplating

I

enteiing this field or sir(aéy engaged in this prof ssion.

lt is acknouleéged with gratefulnees and appreciation

+ ‘41 u ‘1 n - . ‘.‘ "1-" i . .: ~ ‘. - " 4' . “‘"“ urn .‘k‘ . '1 1 -
tnos: hde so tilllngly 51 ea, c anted inlOImauion, cats, en

I

contributed so thgughtfully in the preparing of this thesis.
Special thanks are Sue t the follotingz-
I. W. Elise Co., Erooklyn, Lem Ybrk.
Toledo Lschine a Tool Co., lolefio, Ohio.
slo, Zevv‘Yoiflc.

- . I ’4.‘ ‘ ". . ‘ ‘ v. _o .. 7 -7. 1 3‘. _': n ‘
his sis machine a 1001 “DIAS, hull

Lieni‘y o, 1:;ri,ht menu:ectuiL-in.-_i Co., Hartford, Conn.

.. k

\

The Alliance Porcelain lroCucts 00., Alliance, Ohio.
luliins Lanufsctuiing goreoration, Salem, Ohio.
Eaisons lunch Corporation, Pontiac, hichigen.

lovis Screulock Company, lctrcit, gichigsn

i
'l

‘enly hachine Sp£CisltiCs, lnc., Chicago, Illin:is.

ECONOMICAL

service —- produced
YOu economical”-

. wersified stamping
room: and skilled

 

 

 

    
 
     
     
     
  
 

View Shuuing
Battery of Large
Sheet .‘lclul
Pres-nee.

Section
0
Our Large
Tool and Die

 

 
 
   
   
   
   
   
   
   
   
   
   
 
    
 
 
 
   
   
 
  
 
    

The Mullins Plants, cover-
ing over three-quarters of a
million sq. ft., are admit-
tedly one of the world’s
largest producers of metal
stampings of all kinds and
have, in equipment, the
most recent develoPments
in time and labor-saving
machinery—much of our
own devising. (LThese great
plants are ready to co-oper-
ate with any manufacturer
of any product assembled
from fabricated parts. En-
gineering counsel is without
charge or obligation. W’rite!

 

 

 

Corner View of
Slain Plant.

View Showing One of
Our Continuuun
Electtic Ennmeling Furnaces.

Ca lcity 1200 Washing
Maciine Tubs—Per Day.

View <|.. Mm: Modern Conveying Equipment

 

   

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Parts.

 

 

Au tomobile Body Panels.

, ~. ~ . . v ’

 

 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 

The products of Mullins: Metal
stampings of all shapes and sizes,
of all workable metals of what-
ever weight is suited to the job.
(IMullins created the first
pressed steel automobile body . . .
and now holds a leading place
in the production of metal stamp-
ings for cars. ([And Mullins
has made literally thousands of
parts for all manner of products,
large or small. An experience of
more than forty years is offered
you as evidence of Mullins’ rec-
ognized ability. (1N0 order is too
large for us to handle. llWrite.

 

 

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pressure is applied. On a great mani jobs, deflection of gap

resses is unimportant and is over-shadowed by the ease in

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handling the work through it.

Inclinable, Open Back, Gap or G-Frame Presses

Machines of this class cover the majority of requirements
'for single-action and combination die work on small articles
and parts in comparatively light sheet metal. Using the inr
clinable feature, the work tends to fall away by gravity, at
the end of each stroke. When this press is geared, (action
being similar to the back gear on.lethe), the action is some-
what slower and unifbrw.during the stroke, and is equipped
with the prOper drawing attachments, such as--springs and rub-
ber or air cushions, which are applicable to drawing work in
cups and small shells.

Their use includes blanking, forming,bending, light-
stamping and assembling.

Their capacities range from four to ninety tons at the

bottom of the stroke.

 

 

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Single Crank Straight Side Presses

Straight side presses are built either plain or geared,
and with single, double or triple connections between the ram
and the shaft. Straight side construction consists of a base,
two side uprights, and a crown. Usually the frame, base, and
crown are tied together with four heavy tierods which take the
pressure strains. This press is used largely for the working
on heavier gauges of metal, such as--operating, embossing,
blanking, piercing, drawing or reducing dies. They range in
all sizes and tonnage capacities with short strokes being
used for coining or blanking. Such presses may be one of sev-
eral designs. The rams here-on are sometimes cam actuated or
knuckle, or both, depending upon the power required for the

work.

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Double Crank--Single Action

This type of press '3 very similar to the single crank,
except that its utility lies in the larger area of bed and
ram, in proportion to shaft size; the added crank aiding in
more evenly distribution of pressure over that area. Among
the many items fabricated on such presses might be mentioned
such parts as--running boards, rear axles, housings, chassis
rails; also steel car parts, metal furniture, caskets and
burial vaults.

These presses generally range in weight from 4000 to
600,030 pounds and have a wide range of pressure capacity

exerted, being constructed in 150 standard sizes.

 

 

 

Double Crank (or Single) Toggle

Drawing and Stamping Presses

Double-action toggle presses are capable of drawing to
greater depths than the single-action and the two actions are
independent of each other. The outer slide, which is actuated
by toggle links, descends and holds the blank, (pressure ap-
plied being adjustable), which is drawn under the outside--or

blank holder slide. The punch, which is actuated by the main

4

crank or cranks of the press, then descends. The punch ram
Operates through the outside slide and draws the part to the
proper depth. Zine washing machine tub picture shows this
type of press and die very clearli7.

Toggle presses can be used for redrawing, in which case,
the slide centers the cup and the ram pushes the cup through
the redrawing die. The reason for this blank holder is to
prevent the gathering of stock and the forming of wrinkles in
the material being drawn.

Parts within their capacity, which is really unlimited,
are drawn or formed on this type of equipment, such asz-fend-
ers, hoods, radiators, turret tops, engine pans, washing ma-

chine tubs, bath tubs and kitchen sinks.

 

_—___ _.-, l ‘ l _

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ssure ca; cit . -he yrtsi is r ted in to,s.
Ii ensigns Lecuircé
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to bottom of slicc, stroke (can, sijustmcnt um.

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Width of bed h to L.

center of slizc

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Width of lug.

Iistance top of holster
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Slide bolt hole fism(t€r
Slide bolt hole ccnters, F
Slide bolt hole centers, h

lianetcr of aorn hole.

Center to cehtfr of knee tongue

kictn of tongue gioovc.

Cent<r of hole to jib

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to bask.

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ton oi slide,

to bottom

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of slide tith knee

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Conn, ad-

position»

OO - Length of blank-holder, R to L.
PP - Width of blank-holder, F to B.
a@ - Distance top of bolster to face of blank-holder,

stroke down, adjustment up.
RR - Stroke of blank-holder.

AD - Distance slide enters ways.

AB - Adjustment of ram.

The last two required dimensions are not designated on
the press specifications but are very essential. There is a
ball joint shaft, threaded upon the upper end, with a thread-
ed collar, connecting the slide with the cranks-—which affords
the raising or lowering of the slide with minute adjustment.
This is to accommodate dies with different shut heights.

With all the above data at the designers disposal, it is
a very serious mistake for him to design a die and not have
it fit the press perfectly. herefore, when the chief drafts-
man hands him an order to design a tool, the first question
he must ascertain is; what press is to be used. host such
orders to the designer are passed on to him complete to des-
ignate the press, together with the hours allowed for design.
Then, when the press is given, 1e places such information be-
fore him for handy reference. He watches:- first shut height
if anything, at least stay 1/8" to 1/4" under maximum, where

the total is required.

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OPEN BACK INQLINABLE 6c GAP PRESSES

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THE HORNING 01" le'EE PRESS Willi SCREW ADJUSTABLE SWINGING
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rower (Tonnage) of Eresses

Crankshaft Capacity

When the pressure occurs at or near the bottom of the
stroke, with comparatively short stroLe, the tonnage given
in the table is safe for a given size of crankshaft, as all
parts of a standard press are generally designed to with-
stand the listed pressure at the bottom of the stroke. At

ing load, similar

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this point, the crankshaft is under a sen(
to a beam.

The crankshafts referred to are forged from billets of
snout 0.45 carbon steel, having a high elastic limit. The
crankshaft diameters given are the frame-bearing sizes of the
otandard presses.

When the pressure occurs at quite a distance above the
bottom of the stroke, or when a comparatively long stroke is
required, as in toggle drawins presses, (thereby increasin
the effective crank arm) Lht load on the crankpin produces a
torsional load on the crankshaft. The load on the crank-
pin is limited by the searing, and the amount of torsion that
the crankshaft will safely withstand. On some single crank-
presses, with a long stroke, or double crank presses with a
great width or long stroke, and on all large single and double
cranl presses, "twin gea-ing" or a gear on each end of the
crankshaft, is employed. This arrangement increases the gear-
ing strength and torsional capacity of the crankshaft, and in

the case of wide double crank presses, reduces th torsional

deflection of the crankshaft.

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When operating th die, the strap material is pushed through
under the stripper by the press Operator until it has passed
the parting punch. When the upper member of the tool engages
the blank material, it pierces the holes. After the piercing
punches have entered the die, the blank material is held se-
curely in position, awaiting the action of the parting punch.
his punch is made a little shorter than the piercing punch
on this account. As the parting punch enters the material,
it punches out the scrap material between the blank and the
strap stock. On the up-stroke of the press, the operator
pushes the strip forward, thus removing the small end piece
trimmed off from the first cut. After this scrap has been
removed, the strip is pushed up against the gage on left end
of die (all such dies operate the stock from right to left)
nd a finished blank will be cut and pierced at each stroke
of the press until the end of strip is reached. Figure 8
shows the parting punch. The method of its c0nstruction has
been carefull‘r studie‘ and has been found the most satisfact-
ory for all around use. It has a hanger at the top which
keeps the punch from pulling out of the puncn plate, and at
the same time gives the punch a better and larger seating
surface. It is best to keep this fact in mind because if the
punch seat is small, it may tend to bury itself into the soft
cast iron, steel or machine steel punch holder. In fact,
sometimes it is best to back up your punches tith a hardened

oacking plate, which may be aoout 1/4 inch in thickness. Ac-

curate alignment in the die is obtained by the use of the two

 

 

 

 
 

HANGER

 

SWEAR \

\l.

 

 

 

 

— \ PILOT

FIGURE 8

 

FIGURE] 8 TI) CONSTRUCTION OF A PART I-IG PUNCH

FUN CH 2 HOLES

 

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FIGIL." 9 T’IE PART TLAT IS TO 7373 PRODUCED

BY THE DIE 8.701711 III FIGURE 10.

 

 

pilots at the ends of the punch. They are made to extend

past the cutting surface of the punch and long enough to
enter the die before any cutting action takes place. Thus,
being entered in the die, no side thrust can push it out of
line or cause damage to either of the die parts. To facili-

tate cutting the blank material, shear is provided on the

6*

r ing punch. This shearing starts at the outer edges and

' Q
93

V

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, rs up to its high point in the center of the punch usual-
ly equal to the stock thickness. When thin, soft material
is being fabricated, the punch may be held in the punch plate
by peening the upper end into the punch plate. Figure 9 il-
lustrates a blank that is to be produced by a pierce and part-
ing die. The blank is to be made from 3/32 inch thick brass
strap. The strap width is 5/3 inch. To produce this blank,
the pierce and parting die that is snown in figure 10 is to
be described fundamentally.

The size of the die set is determined by the size of the
die block and the puncn holder plate. The punch holder in
the illustration shows a shank for holding the upper part
(punch holder) of the die in the press ram. In case shanks
are not required, he punch holder may be ordered without one.
The punch holder is marked A. The punch retainer plate is
marked B, and is made from hot rolled steel bar stock. It is
surface ground on the top and bottom. The locati n of the
punches is marked and machined out to suit the die. The punch
retainer is held to the punch holder by means of four Allen-

head screws and located into position with two dowel pins.

 

 

 

 

 

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FIGURE 10
FIGURE 10. THE PIERCIHG AND PARTING DIE,
USED TO PRODUCE BLANK SqOWN IN FIGURE 9.

 

 

 

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1/113 in1fl1

gaurd is marked

out in it through which the
on the top

stripper

-

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StOUA Chl‘l .1859.

bottom. The

I.
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34
H
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.

held in the strinpcr

'Eft 5:: file

working independent of each other and they may be inserted
from the front, one of which can be used as a stOp pin gauge
to locate for the first station, wnen using a three-station
progressive die. On the bottom of the stripper, at the guard
end, a thin cold rolled steel plate, H, is fastened, so as to
allow the stock material to rest on it and at the same time,
acts as a guide for entering it in the die. A section of the
stripper is machined out on the opposite end past the material
groove. Into this and out of the left of the die, where is
placed, a guide strap and stop gage, L. The entire stripper,
also the punch retainer, B, are doweled in two corners and
then fastened down solidly, preferrably using the Allen type
of socket head screw.

The die I, is made from a type of tool steel, that will
take the maximum hardness with the minimum distortion and
shrinkage, also hardening risks. The die is machined to the
required outside dimensions. The piercing holes are profiled
in their respective positions. The parting part of the die is
carefully slotted and filed in, as per template. Down from
the top, 1/3 inch, 1/2 degree taper is filed. This is to al-
low the scrap to pass through the die. The necessary punch
clearance is allowed on the die. A taper, is ground in the
die, away from the parting section, to let the blank pass out
after being parted--this is shown clearly at the L arrow point.
The blank then falls down off the shoe to the bolster plate on
the press and may be pushed off into a pan from time to time.

In some cases a removable chute that is made of sheet metal,

is fastened to the die shoe, and since it can be inclined
downward, it can be made long enough to clear tne parts, by
gravity, direct to the pan. The die is hardened to so-cj
Rockwell "G", and then ground on tap and bottom. The die is
set on the lower shoe and fastened with screws and kept from
shifting with dowels of suitable size.

The parting punch is made from the same grade of tool

steel, hardened like the die. It i: shaped up close to size

and is either filed or ground to suit the die. The parting
punch is marked J. The piercing punches, K, are usually made
up in standard stock, or interchanfeaole sots. They have al-
ready been hardened and need only to be {round to the required

size, as shown on the die drawing by the designer. Quite
frequently a numberof similar parts may be ordered. These

blanks are alike so far as their ends and locations of holes
from the ends are concerned. Visualize then, the punch des-
ignated K, being located properly to the left of J, then by

hEVln

("Q

an adjustable stop gauge L, any length part desired

can be acquired.

Blanking and Piercing Dies

Plain blanking or piercing dies are the simplest of all

s of

(D

types of dies and are used to cut out plain flat :iec

”‘5

stock. The blanking die consists of a die block 2, (se fig-
ure ll which has an opening that conforms to any shape de-

1

to be cut or blanked out a punch block or steel 3, which

accurately fits the ooening in the die-steel; and, by a shear-

 

 

FINISHED PART

MATERIAL

 

 

 

 

 

 

 

 

 

FIGURE 11

FIGURE 12

PROGRESSIVE PIERCE

 

FIGURE 11
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FIGURE 12

COUPOUHD BLAKE 8 P1339?

 

RLAKYING DIE

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taper. The type of steel adapted for blanking dies [Elso
shear blade§7 is the high carbon high chromium approx. anal-
ysis: carbon from 2.00 to 2.25; chromium 13-12. This steel
has a scleroscope hardness of from 85 to 95 when oil quenched
from 1800 degrees F, and tempered at 600 degrees. host all
punches and dies are made of plain carbon tool steel, but a
high speed steel is preferred in some shOps, especially where
the numbers of blanks between grindings and the total life of
the die are of considerable importance. Inexpensive dies,
particularly if intended for short runs or temporary use are
at times made from macnine or cold rolled steel and case
hardened. In selecting the material, the probable life of the
die, the nature of the Operation, the size and the form of
the die, are factors to be considered.

The punch and die are as a rule, of the same material.
A water hardening steel is usually employed for dies of simple
design, but for intricate designs, an oil hardening 58-60

Rockwell tool steel is used.

Where to Apply Clearances
In blanking or punching accurately to size, the clear-
ance must obviously taken into account. If the hole is to be
held to size, the punch must be to that size, and the amount
of the clearance added to it, to determine the die siZe. Con-
versely, if the disk or blank must be punched to an accurate-
ly size, that is, the size of the die. The clearance allow-

ance would be deducted from this to determine the punch size.

’1

clearance between Punch and Die

There is a "rule of thumo" that the clearance should be
about 1/8 to 1/16 of the thickness of the material, depending
upon its hardness. hard stock does not require nearly as
much clearance for a clean fracture, as soft stock. A little
variation in clearance around a die makes the difference be-
tween a clean fracture and a poor one, and is readily discern-
able. A clean fracture causes less tear on the dies, and
insufficient clearance may become so small as to permit of
actual contact between the cutting edges--thus their fracture

or breakage.

It is well known that cutting "part" blanks may cause a

breakage or at least excessive werr and strains on punches.

N

f

Off center spring, due to unbalanced loading in too 11 ht a
press, is equally capable of shifting the clearance with a

the ex-

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detrimental effect on the t o

ception to this rule. The die ring thereon is made as usual

. The punch however, is made

I
Q;

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either of tool, machine or cold rolled steel and left soft,

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(D

t up and the

a)
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S

until such time

01

punch "sheared in" and then the die operate
as objectional burrs show up on the part. The punch is then
peened, re-sheared and then is ready again for operation.
The reason for leaving the punch soft is because the puncn
cannot regularly be machined to size, ground, then hardened
Or ground to close enough limits to produce a burr free pro-

duct.

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Note: For cutting blanks to exact size, make
die-.oo2 smaller than diameter required. Allow clearance on
punch and shear on die. For punching holes to exact size,
make punch .c02 larger than diameter of hole required, allow
clearance on die and Shear on puncn. These differences allow
for stretcL sf material and wear to some extent. *Total dif—

ference in diameter.
Where to Apply shear

It is common practice to give a die or punch shear by
beveling off the cutting edge at a slight angle, so that the
cutting does not occur on the whole cutting edge at once, re-
ducing thereby the peak load. In this case, note that the

metal follows the contour of the punch or die, dependinc up-

on which oossesses the shear. When the cutting face of a

;

MN

die is inclined each way from center as at "A" or "s and

tne punch at "Q" Figure 13 is said to have shear. Ordinar-

ily the amount of shear "X" should equal about twice the
thickness of light thin stock, but for heavy material, the
shear should equal the stock thichness. If a flat blank is
required, the punch should be flat and the shear should be on
the die, wnere it will deform only the scrap. Conversely,
if a hole is being punched in a sheet so that the metal be—
ing punched out is the scrap, the die should be flat and the
shear should be on the punch. At D is show how shear can

be added to a piercing die, by staggering the punch lengths.

 

 

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,4. < X, 3 7777:
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N N N’NN

FI GURE l3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FIGURE 15 STTOTJIIE’J‘ H031" SWEAR IS APTIIZD

% H W
NN a \\

FI CURE 14

 

 

 

 

 

 

 

 

 

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4“ ‘*‘ ’I (N 'u rs vv ":‘ L" 4‘ 's
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sixiercé? ii;v»ssij ls :Aiu 25 fev. fealfl ago, the L-

" -"“" ’~ 1“. ‘1 'w -. 4'“ J'
nold “(L61 will xitlctnn. suci Etiffihtt Mlufloab
mEt ls ur‘ altays causinv plenty of srief-—for

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Stainless Steel has not 1

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DRAWN CUP
STRIPPERS
DRAw D}§
FIGURE 13

CUTs ssowlns isTsoD ELELOZED TO

DRAW A CLF FROK THE HEAVIER GAUGES.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LN w

COMPOUDID BLAlxK ALLD DRAW DIE

FIGURE 16

 

LETHOD EECPLCYED TO DRAW LIGHT GAUGE. L'ETALS

 

 

having two slides. ZEee Figure 17 and adjacent photographgz
These depict the story of drawing a tub for a washing mach-
ine in one Operation upon a double action die. Here-on the
outer punch slide is the blank-holder (on which the tension

or pre sure is adjustable) and the inner puncn does the draw-

U)

ing by pushing the stock into the die and pulling it out from
under the hold—down or blank-holder, as it does so. The blank-
holding slide is therefore stationary while the drawing is
being done.

The heavy plug shown in the central part of this die
serves two purposes. It floats on a cross beam, which beam
is connected by means of two shafts with the center drawslide.
First, when the draw punch lowers, this plug lowers until it
bottoms in the die, then when the depth of the shell or tub
is reached, the tub bottom and the drain hole is ehbossed.
Secondly, it serves as a lift out, rising shortly after the
central punch has been withdrawn.

These photographs represent most remarkable drawing
pictures. The blank is 46 inches in diameter and 13 U S G A
(.QBO) deep-drawing sheet steel. The tup drawn is 21 7/8

inches O.D. and 15 5/16 in height, or a reduction in blank

__h_.__—._‘ _' Ar" .

diameter of 52 1/23, hich is really punishing the metal. All
due to the improvements in he manufacture of sheet steel, as
well as in the art of drawing, which has taken place-over the

last ten years.

 

 

 

 

 

 

 

 

 

 

DOUBLE ACTION DRAW DIE

 

INSIDE BLANK HOLDER

 
  
   

  

 

kill/l,

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SINGLE ACTIOR DOUBLE ACTION

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2- anven blank tthiOH "r<ssuie.

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Steel is raincd much in the sage fashion a

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ber, the steel grain being in th( éirectiun the material
rolled. Cold rolled stcel is rolled cross» ise, thus will
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is rolled in one (irection onl .
a- lie hot spotted in tith tlark-ncléer.
L- 1;.ati14, C(CIAs ho‘ suitiicleaitly {M‘lisnied.
L- Iran beacs (n36n used) too tight.
7- Ins:"£icient metal ClELItLCE Let e€n orach and
:- Lough edge: of pierced hole, the; neckin; sex
so Ctincs ltcglhc “he hole an} removing the 1
ur€s till help matrzially.
163th and liaxetcr heéuctions cf iratn thells
”he Centh to which mctal zen be Cramn in one 0 (ratio

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Lie sl ht Ol‘:uh_l€ of. MLC ties, .lte. eunac.x x lo cc 3.1 tac

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k4, _ g.

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{naotuit bflézu tile : Lech: its .hL1inltc Oi iltnlrc, ill (18%.1-H,.

(1) Blank Reduction:-
A general rule for determining the depth to which cyl-

indrical shells can be drawn in one operation is as follows:
(A) The depth or length of the first draw snould never
be greater than the diameter of the shell. If the shell
is to have a flange at the top, it may not be practical
to draw as deeply as is indicated cy this rule unless
the metal is extra good, because the stock is Subjected
to a higher tensile str ss, owing to the larger blank

which is necessary for forming the flange.

(5) According to another rule, the depth given the
shell on the first draw should equal one-third the dia-

1 '1

meter of tne blank.

(C) Ordinarily, it is possible to draw sheet steel of
any thickness up to 1/4 inch, so that the diameter of
the first shell equals about six-tenths of the blank

diameter.

(2) Redrawingz-

After the shell has been cuooed-----its diameter must be fur-

A: L

‘

ther reduced to accomplish the desired result—-again the a-
mount that the diameter is reduced for each draw must be
governed by the quality of the metal and its susceptibility
to drawins.

(A) ‘his reduction for various thicknesses of metal is

as follows:

t, .. -°—.‘
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Possible heéuction in lie CtCr f0? inch
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inch cup can OF reduccd LO

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Aetm€€n eve:

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‘J":"‘“ ‘ v 1-#‘ .‘A 1 r‘ fi". I:
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. 1" 6 1751). (3;.

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10$

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"1

t Lonld iirst be cupped six

For l/lb mutcric this six

l,

aiuater or to 4.8

inert-at ir setdsl nrattiCC
‘ is asst. As steel is vorkcfi
ei’ore, these fi,_u1"<s are

‘0 6 L-

.[1
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3. _. C

inaltaneoasly

t;;C

shell is: a:1..€z:le:é after

) an‘ usually

0 in; on-

rbre tithant

t tris tritts rte 26(n LlVC
in one wrcss and

O T: E 1‘ Z3. '0

g. t, -. ._,

5/16

in: su006:s“ullf

for the very reason that the stock was on the move almost

continuously and warm by its own work.

(3) In double-action presses, where the inside of the
cup is supported by a bushing during drawing, the reduc-
tions possible are:

30, 24, 13, 15, and 12 per cent respectively.

(C) The "3" figures may be also used for brass in sin-

gle-action presses.

(3) Rule to Find Diameter of Blank for beamless Drawn bhell
fiultiply circumference by height, add area of bottom, which
gives area of blank. Then find diameter of Circle, whose a-

rea is equal to area found.

What is the area of blank for shell 3 inches diameter
X 2 inches high?
9.4248 Circumference for 3 in. diameter
2

H e i glith
18.8496 Area of Sides

1,0633 Area of jottom

25.9176 Total Area 3 5.75 inches

Diameter of blank, which is for a shell with sharp

inside corners.

Circumferences and a.eas for circles, for use in applying
this method are in most engineering handbooks from 1/32 inch
up to 100 inches in diameter.

When a hole is pierced in a piece of metal and this

hole is to be necked or flanged, always pierce from the

 

BLAKE DIAKETER FORMULAS FOR DRAWX SEELLS

 

 

 

 

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AREAS OF DRAWN SHELLS

 

 

 

 

 

 

 

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FORM CUTOFF FORK CUTOFF

 

 

 

 

 

 

 

 

 

 

Lr \ PRESSURE PAD

CUTOFF AhD FORL. OR PIERCE GUIOFF AND FORM

FIGURE 20

 

 

 

 

 

BULGING DIE

FIGURE 21

 

 

Dieins hachines

The foregoing has been relative to presses, however the
unique design of the dieing machine really produces striking
results where high production is required on parts within
the power range of this machine.
The design of this machine and the products displayed, in the
accompanying photographs and descriptive matter, show a dar-
ing, unique, and unusual machine which is in every respect
scientifically correct. The dieing machine is ssentially
different from the design of other presses, in that, the fly—
wheel, crankshaft, and connection are below the punch-holder
instead of above. More-over, it employs four fundamental
scientific principles not found in any other press:

1 - A low center of gravity, allowing high speed with

minim m vibration.

2 - A maximum guiding surface, including a four-post

guide to punch-holder, thus insuring perfect and con-

stant alignment.

3 - A pulling stroke is applied to the die instead of

the usual pushing stroke found in the ordinary press.

4 - Upper crosshead is required to take only the press-

ure necessary to perform the work in the die, while in

all other presses, such unit is required to take not on-

’S
(D

ly all pressu to perform the work in the die, but also

must taro all thrust exerted by connection to the crank-

HENRY 8. WRIGHT - DIElnG mACHIDES

 

For Every Stamping
and

Punching Operation

 

 

 

 

 

   
  
 

Produced from 2/2" x .050" cold rolled
steel in SO-ton Dieing Machine

 

lOOrTon Double Crank
Dieing Machine

Produced from 16 gauge cold
rolled steel in 100rton Die'
ing Machine, dimensions of

part being 6%"x5", with
1%," draw

Rotor and stator produced simultaneously
from 3'49 SillCHIl stccl .HZS" thick in

IOU-ton Dicing Machine

 

Seven'station progressive die for 25'ton Dieing Machine with product

l o PRECISION BUILT for HIGH PRODUCTION 0
’age 2 ]

 

 

 

 

_ REAR VIEW BRACK-
ET: Produced one per
stroke from .025” cold
rolled steel in coils on
SO-ton Dieing Machine
operating 11'] Strokes per minute.

 

 

 

BRAKE FLANGE: Produced
one per stroke from 11 gauge
ho: rolled steel in coils on 75-
ton Dieing Machine operating
85 strokes per minute.

 

HORN PART: Produced one r stroke from 16 gauge
cold rolled steel in coils on OO-ton Dieing Machine
operating 60 strokes per minute.

 

 

 

 

BRASS SCRAP AND FINISHED PART: Produced
14 per stroke from .018” brass in coils on 25-ton ,.
Dieing Machine operating 220 Strokes per minute. '3

It.

It
\"
(o
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\1 s1. ‘
(H
M

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\(. ~\'

8.

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\
\

\
\

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V \
\

’r f
\\ \
’t’
\\
If .(

l
‘ \

 

 

HORN PART: Produced one per stroke from 18 gauge
cold rolled steel in coils on loo-ton Dieing Machine
operating 76 strokes per minute.

 

 

 

 

 

 

 

 

 

 

 

 
  
  

 

 

WHEEL AND SCRAP: Pro-
duced one per stroke from 18
gauge aluminum stock in coils
on ZS-ton Dieing Machine op-
erating 190 strokes per minute.

 

 

 

 

 

 

 

 

 

 

" CAP AND SCRAP: Pro-
duced one per stroke from
.025” cold rolled steel in
coils on 75-ton Dieing
Machine operating 100
strokes per minute.

 

 

The parts illustrated above are produced in single operations on Henry 69’ Wright

Dieing Machines and give an idea of the economy thus accomplished.

O PRECISION BUILT for HIGH PRODUCTION O

[Page 29]

HENRY 8. WRIGHT 0 DIEIHG mACHII'IES

 

 

.0/4 ELFCTSZ' ZfiElv/Vacu .(2/8 fLECTSI.’ 25fo~ MACH. .0/4PERMALLQY 25 75A! MACH. ,(Z/ifregrtST. 25 7a/VMACH.
ZZO/BPM. Mm. [Pee STROKE 22 ORPM. IOPEI? 2P£m3mox£ 220 R. PM. / 0pm. I Pee Smog 220/? PM /0P£R 2&157m

 

 

23‘ 4‘ i l» .172; d i— 23' fil'

/‘\e ’4 - .0/4 ELECT. Sr 2.5 ENMACH.
‘ 2205.2/‘4. /0P£R. 2 PEASTMfi'

1_ T _
.0255Lm 5r JO MM“... ’33. % 21%- / ti- p_ 23' —4
IOU/RPM. / OPER. IROTOR ”eve .4— l
.0/4 [LEGISI 2575” MACH.
22.5 R. P M. / OPJ 2 PER. 5J/tOIg.t

r— A

T

 

 

 

 

 

 

I SrATOR PER. STROKE

    

 

 

.085 Elgar. 57'. /00 Ton MACH.

 

 

ZQOLRM- / OPEN, [pr/{TSTKOKE m _5Q 75!! MACH.
“ ’4‘ --. _ ’ _ "* - 7 , , 4— ~ - .. /40 RPM [OPE/5'. IP51]. 57-35245

 

 

leer—l

   

 

 

 
 
 
  

.042 CBS. 85 751v MACH.
.025 ELFCTSF 50 73M MACH 225 RPM. / OPER. /P£R firgoxg
/2ORP/\1. IOP£R /Ror0R AND

/ SrArOR PER 5 ”(ONE

 

 

 

 

 

 

Thousands of other parts are produced on Henry E“ \Vriglit Dieing

Machines. the almre being merely examples.

0 PRECISION BUILT for HIGH PRODUCTION O
l Page 30 ]

The roll fEECS are standard equipment, usually €3plov-
in; the scrap cutters or the rEar roll to dispense uith the
scrap stri , and equip ed with wrogressive dies; the dieing
machine is a high production tool, capable of rtotacing a
number of ordinary presses' at the Same tine impIOVing the

7—3.

quality of stannin s produced and ircrcssing moral 5 life of

The use of the above principles, in aC(ition to the ser-
ercl necnrniccl anantages above mentioned results in a mach-
ine so constructed as to $356 tre tork in ULOCGSS readily ac-
cessible and visible to tie-o crytO“ at all times. moreover,

all workin: parts, rxcept the Cit and punch-carrying

member,
are enclosed in a cabinet-like base, free from access by
dirt or unzuary zinc-firs.

The Cies can be desi'nec uith the ”guide or leséer pins”
winced tro upon Opjosite cornc;s--or four, one in each file

‘ r

""‘ ' " ‘ "‘ 4‘ .7 " "‘ "‘- ‘l‘ ‘ ii - A - ‘i - ... ‘1 4-. . a 1 - . ‘75 we:
carrier thetnoen. Carrel so L,;E e E‘: ear wan, plus lidl.€8$liyz

3

their effectiV(ncse.

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and "Adjustment” of ”Upper Crossheaé", the latter Lélfid sil-
ilxuf'u) ufjuSLuent of“%xmn” or ”Slidefiitni a press.

Ihe capaciijtx5:17 these IA‘XLl“(S ic-ux in Eu 'Q-ton to
ltO-ton in siiwlt—crank «he row Vb-ton to leO-ton in double

Cl‘inli'C LuéjuiilILES.

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cogstiucted in (very dctsil; KEtJOC of irscrting and lCLOVlJ:

toe Dart Ly the User-gator 'rom the (tie, ice-coing; i1'1;_;i116 toe

every oovcment of such ogerstor, mith relation of his hands

0

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v

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engineer and dcsigner are likEWlSE merciess. On an oociator

oo:-:tion (11tcr into suretv

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n H v v ' - . . ., . ”,1 ' .. l . '
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Illustration of Danly
Standard Auto-Gage
in Blanldng Die.

Simple and easy to
install. Long life
and dopondablo.

Potemed In U. S. A..
Great Britnln and
(‘umda

 

4’0!!!“ - %0££P
REA/150 HOLE

)5- REAHED flou-

MORHILL Storh’fl’lot $.00!

 

 

 

 

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Ulis clae sic Anomn as te: 0:3, or CHElLCL-
{ Elcv‘l‘:3:‘;" are :o;C err IK)u oonst:cm3tcd to
lgxg,,«ir contizmmnis liQGQE. zuihfl’ hOLEE(15
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or [r 1? mo:1:ewrt Pro :LAletr--fil “t oliss
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tars a E?€T4 sx Ci isal *“o‘iit to we t2,-er1 i:;to

l - Ese good tool steel of a sufficient lengtn, nidtn, and
thixzkness to enable the die to witnstand the work for which

11;.is intended--allowin; for Snear and trin‘ing.

2 - In laying out the die, care should be taken that as lit—
tle CDf the stock as possible is left aver as waste in cutting

out blanks.

w:
I

IBe sure not onlj tnat tne die nas tne pro er amount of
01538arance, but also tht the clearance is filed or machined,

so 8 to enable tne blanks to drop througi readily. TLe

{o

SPficification for a first class cutting edge tool steel is:

OIL HUL.T.5 53-60 FOUhnLLL

4 “ In laying out, formins, or irawing dics likewise--suffi-
Cifierlt clearance must be specified between puncn and die to
PEI‘fWorm the work desired. The larger dies as for fen ers
arfii turret tops are usually cast and macnined from a good
53‘8138 of cast, or nickel iron. Smaller forming dies an‘ draw
edEEefa gunisned are lined wit: tool steel, the designers susc-

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METHOD OF ELAQK LAYOUT AnD hATiRIAL DIZE CCLEUTATlON

FOR FIGURE 23

1 - LAYOUT BLALK TO 5123. 2 - iEbT TO SUIT sst UTILIZ-
ATION OF ALL NATERIAL--LEAVILG STOCK THICKRESS BETDEJN
BLAAKS, ALD UbUALLY THIS IS VERY SELDOM L355 THAR 1/16".
3 - CEnTERLIKE TO CERTSRLIAE = LCLTIELE FOR LAGH

BLACK. 4 - CLASURE RLLTIfLi Fag. bI?I: L.D, Thhfi L550-
ure "x" = 1/2" 0? TEE AMOULT TO ALD T3 iACH STRIP EnD

TO AGgUIEE ALL OOLELETE BLALKD.

 

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s<:l th,-ot 1.1; \Jflfll tge :n;o diu'i.m;, j‘jl-%; ‘articuixi .no-
alC3€ o- Vuage 01 MCECI, size :rc “"iworiion of the 1&TL, and
13.".8 sin-ape- tile pert te'dz-‘s 131W; 3‘ sinitoijr to entering his (is 1‘01“
:it:3 operation. Tlich Lriggs up Figure 2i for Cl"UWdfi H.

t

3--

'KA" 16 *art as the designers fie Kill proiuce. "7” is as

F"
(0

:Lt enters his die. ”C” is the SECOfid previous farm oycrstion.

!' l ‘0 I " _‘ ‘_‘ 'V‘ ‘.V,. ~ .. , ... . —, .n_.,v r.“
In 1 plGTClLb toe esis. “i” is t:1e blank as Co .LQ ii s

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J... 1

i..- c‘tesircd to clo::e the metal clas '1); together upon 5.1:? i1.-

metHOJ to 300 LfilTT

1

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Plu.e 0L tae cuii "a” sac ta

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tiie result. The entire picture of the fiart sh an in TTOQTCSS-
ifixe Operation 's snomn acre for it till he discussed later

- W.-,. -4- r- 7 -q ..4_: .
011, in estimates dLC OubiLég.

}-J

Seconélv he must visualize the sizt of his prospective

‘to the front of the sress; 12" Capt 21 33 roximct C1? in

H‘
('1,
(D
}.1.
Fl
'

i

allouing for the an action; and tiien cons
4" ' _.‘ , :2 v' _- _ v
b.1e travel Oi cam (lé ) min, as

0116 manilc:nee ed around a 7” Dress shut hei

ins t”ils for a "full size” éie C suing.

i - I ‘
‘3‘»- . " ..l-I-‘I' '
4'. , ‘ t - l ‘ _~

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1v

shouiru; sectitni viewzs i11 eitiu r cesi., tea best tilrsrlgr s1au
the Gie action and its 66 ‘ 9i s. The plan view in the upper
left cur train; is oi‘ifi1e ”die"cnily--eu1l in tin 11j§er Iflifilt
quadrant is o? tne ”punch” only. inis is the stancard practice
tor all medium size( Cies. Real small warts, dies are de-
SlLLEC Goulle or ”our times size, users-as neéium to lar5€
dies till he Cesi5seé ugon t1iee or four shects (a ViCW to a
sheet); and relCer, turret tag, suto iraue side member dies
will be 6(si5red one-hslr to one-gusrtrr size.

géxt the desigrer should ascertain the have available

V . ‘ —‘ - "' t‘ '. '1 ¢ " . “ ‘V “ . “1 o "W ‘4‘ J ’ ' (‘3 “ “a Hr . ran ' c
all [118 piess (El-La, 1.11.,(,11 111 1,1115; i11sts1-ce is cflf;l0nlm8t€ll}r

1teo

(‘5

Pless - #5 Consoljé

Strolce : 4 1/2 "
Shut height = 7 5/4 "
36:11.31. ..Cl’l't = 2 1/2 N

1/2"

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1/8 "

bill—J

Bottom of I9: 1 to X.O. bar

3/4 n

to

listslce oetuecn Housings : 1

[\3

Thickness of bolster : 1/2
Kidth of bolster - 59 1/3 H
Iepth of bolster : 18 n

Stem to housiligs 8 H

II
F.)
,1:

Hole in bed " X 14 l/4

(D
H
\
PO

Lidth of ran

.- x. .A—_.__..=A.I_ __

Diameter of Crank Pin = 4 1/4 "

Stroke per hour - 6000
Tonnage of Press = 63 Ton

shut Height of iress,

The term "shut height" as applied to power presses in-
dicates the die space when the slide is at the bottom of the
stroke and the slide connection has been adjusted upward as
far as possible. The "shut height" is the distance from the
lower face of the slide, either to the top of the bed, or to
the too of the bolster plate, there being these two methods
of determining it, hence, this term should always be accomp-_
anied by a definition explaining it. According to most press

" shut-

manufacturers, the standard designation is to define
height" as the distance between the slide to the bolster with
stroke down and adjustment up; because nearly all dies are
mounted upon bolster plates of standard thickness, and a mis-
understanding which results 'n providing too much die space
in a press is less serious than having insufficient die space.
It is believed that the expression "shut height" was
first applied to dies rather than presses, the "shut height"
of a die being the distance iron the bottom side of the low-
er section to the top side of the upper section, excluding
the height of stem, if any, and measured When the punch is
in its lowest workinf position which is nearly always the

method of showing in its layout or desi n. In designing a

die, it should be endeavored to remain 1/4 inch under the

press shut height-—where maximum is reouired. dome design
departments require this 1/4 as absolutely necessary for set
up purposes.

hot because of power requirement, but stroke and shut-
height, is the reason for this $5 Consolidated beir: speci-

fi for this curling o era tion; and as designed, the die

(D
Q.

has a detailed " shut heigh " of 7 1/2 inches--or 1/4 inch

under the press shut height.
Stroke of Press

So far as the press operation is concern ed a 2" or 3%"
stroke would be sufficient, however, inserting and injecting
the cam actuated mandrel or arbor ain re uires 1 1/2" horiz—
ontal travel--which placed upon a juo cam movement which means
slightly over 2 1/2" vertical stroke requirement, plus a dwell

of some 1" to 1 1/2" at each end of the movenrent. And the
can and slide should be engaged at all times.

The stroke for deep drawh shells, redraw ope ations etc.
usually should be in excess of twice the depth of shell, in
order to insert and remove the part from under the punch.

Feeding az1d clearance of pi od uction should be thoroufh-

7

ly considered in this die layout. here we have most ideal

‘

conditions for operator protection, the part being gripped
by the fingers upon the opposite end from the curling--and
WOIlins from right to left--upon the oierced end- and no part

Of‘ the oerson entering into the die during its operation what-

4.

ever; keeping this one and free and out in the open.

Die Sets

[*1

ach die shop has its own preference in the matter of
die sets preferred and when the designer starts to work, he
will be supplied with this information. Usually catalogued
sets are used, purchased and delivered readily, from one of
the several "die set" manufacturers.best suited to supply

the demands and service for that locality. Such "die set"
and die maker surplies are generally furnished by the follow-

in?

..fi

1 - s. A. Baumbach ng. Co., Chicago, Illinois.

[0
I

Danly machine Specialties, Inc. Chicago, Illinois.

3 - The Products hachine Co., Bridgeport, Conn.

is
I

The Detroit Die 5e: kanufacturing30., Detroit, Rich.

They are charted and dimensioned in each catalogue for the
designers specification and convenience, in a simplified and
condensed form, including various accessories. The regular
die set is usually of semi-steel material, consisting of
some fifteen different styles, which can be purchased in any
size and any thickness, thus affording the user unlimited

selection at a moderate cost.

For heavy duty, there are listed likewise, sets, cast steel

or drop forged.

W
DIE SETS

PHlllllJlZTll SW

Overhang 2 Pin Die Set

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

331:. c.1531... GENERAL DIMENSIONS (For 01. Sets Listed on Opposite P...)

A B E F G H J K L M N O R T

3 4 5021-5022 1 3 5% 7% ,3 2% 2% 1% % 6

4 5 5111-5112 g 1 4 6% 8% 5 2% 2% 1% % 7

4% 6 5121-5129 g g 1 5% 6% 9% E 3% 3 1% % 8

5 8 5161-5169 3 5 1% 6% 7% 9% .3 4% 4% 1% % 10%

6 9 5191-5199 a g 1% 7% 8% 10% g 5 4% 1% % 11%

7 10 5231-5239 5;? a 1% 8% 9% 11% g 5% g 5% 1% % 12%

8 11 5271-5279 3 i 1% 9% 10% 12% g 6% 5 % 1% 7/3 13%

9 13 5301-5807 0 g 1% 11 11% 13% g 7% 6% 1% 7/8 15%
10 14 5331-5337 8 1% 12% 12% 14% fig 7% 7% 2% % 17
12 16 ; 5381-5387 1% 14 14% 16% <5? 8% 8% 2% - % 19%

 

 

 

 

 

 

Illustration shown above indicates Punch and Die
Holder made of semi-steel casting. Same type Die Set
made in all steel design, i. e., Steel Punch Holder and
Steel Die Holder. torch cut from steel plate. See Pages
68 and 69.

All Die Sets of this design are interchangeable.

INSTRUCTIONS FOR ORDERING

When ordering any Die Sets listed in this catalog, the fol-
lowing information is essential:

1. How is shipment to be made—express, freight, parcel
post or motor truck?

2. Quantity of each Die Set ordered.

3. Specify correct catalog number. Be sure to select correct
thickness and quality of metal (semi-steel or steel). Use
code word for convenience.

4. Specify correct length of Guide Pins. See Page 84 for list
of sizes.

5. Give diameter of shank on Punch Holder.

6. Mention type of bushing desired (short, long or shoulder
steel bushings or cast shoulder bushings). See Pages 85
and 88 for complete list of sizes.

I40]

10 SIZES-67 DIE SETS

These Die Sets are made in three different ways:
1. Punch and Die Holder made of Semi-Steel Castings.
2. Punch Holder, Semi-Steel Casting. Die Holder, torch cut
from Steel Plate.
3. Punch and Die Holder, torch cut from Steel Plate.
Opposite page shows Die Sets catalogued by various thick-
nesses in the first two classifications mentioned above.
All Steel Die Sets—see Pages 68 and 69.
Be sure to specify the correct catalog number and code
word when ordering any particular type, size and thickness
of Die Set required.

PUNCH HOLDER SHANKS

Shank dimensions listed below are considered standard.
Any of these sizes will be supplied without extra cost. Specify
correct diameter when ordering.

Special shanks can be furnished at small extra cost.

 

 

 

 

1%” diameter x 2%” long—Code Word Debris

 

 

 

 

 

 

1%" “ x 213” " “ “ Decade
2” ” J 2%” “ “ “ Decant
21 2" u x 2%" " “ “ Decide
3” " x 2%” “ " “ Decree

 

fi

I4.

: In a aura-«nub... .s .-

-0 uni-C.

'-

.
c~‘.«A-D~O..—~. 1'

«111:-
Pnnnunu 5W DIE 51:15

Overhang 2 Pin Die Set

Prices listed below are complete Die Set assembled with

pins and bushings. All Die Sets are carefully tested and

inspected before shipping.

All Die Sets listed on this page are in stock at our factory

can be made.

Removable Guide Pins can be supplied for these Sets. Add
$2.50 to listed price per set. See Page 87 for list of sizes.

in Bridgeport or Warehouse in Detroit. Immediate shipment

Prices below are list prices—see Discount Sheet.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Die Thickness Semi-Steel Punch and Die Holder
Space Holders PRICES App.
(‘3':117 1‘ 712 5 Ship
Punch Die _\7-. h ‘7‘.“ :1 Steel Bushings (‘ast Egg
1 B ————— Should.
E F 1_ _ Short Should. Long Bushings
221235“ 1545—231 Firm-st__:m 525.25 525.75 524.75 ?
111/4 171/313-5232 l‘ldib1: 26.00 26.50 27.00 26.00 95
21/4 0—5233 Edison 27.25 27.50 28.25 27.25 103
1373—10-33“ Edmund 26.25 26.75 27.25 26.25 107
10 17/4 21/4 0- -52 1 Edward 27.50 28.00 28.50 27.50 112
“217. “—5" 11 1.71....- 28.75 29.00 29.75 28.75 118
’1—37;— D 533? Hit-t9 _1 28.50 28.75 29.50 28.50 T477
77/. 31/4 ”753343 11711.... _ 29.75 30.25 30.75 29.75 145
_7174' ”-5219 Egress 31.00 31.25 32.00 31.001 150
: 11/, D—5271 Elan-6e 30.25 30.75 31.25 30.25 ”Ti-2:
13/. 13/412-5272 Elijah 31.50 32.00 32.50 31.50 123
21/4 0—5273 F1741... 33.00 33.50 34.00 33.00 134
11%—“1043274 1111417- 1 33.00 33.50 34.00 33.00 137
11 1% 21/2 0-5275 Embalr: 34.25 34.75 35.25 34.25 147
21/4 0-5276 Emblem 35.50 36.00 36.50 35.50 156
11/, D-5277 Embryo 35.75 36.25 36.75 35.75 175‘
W 3% 0—5278 1577.37.77- 36.75 37.25 37.75 36.75 187
_ __ 21/4 D—5279 Empale 38.00 38.75 39.00 320—? 200
‘i— 11/21=3/4D_5m Fmpire 32.00 32.50 33.00 32.00 136
- 21/4 0—5302 Pnumcl _ 35.00 35.50 36.00 35.00 156
13 _155 21/2 D-S304Encanip 34.75 35.25 35.75 34.75 154
21/, 0-5305 tnctgie 37.75 38.25 38.75 37.75 183
11/2 31 /2 055306 tncyst 38.00 38.50 39.00 38.00 195
_ _214__11-5307 Endear 41.00 41.50 42.00 41.001 33?.-
”__1‘1—/;TD-5331 Endure 47.00 47.75 48.00 47.00 255
21/4 1.1-5332 Enguif 52.00 52.75 53.00 52.00 275 .
0 14 5V} 23/1 11—533-1 Enjoin 51.75 52.50 52.75 51.75 305
21/4 11-5335 Eniuce 54.25 55.00 55.25 54.25 315
11/2 33/ 175.336 Enmesh 59.75 60.50 60.75 59.75 365.
~_ 21/4 411.5337 Emmi _ 62.50 63.25 63.50 62.50 .380_
~fiFE—z_;1D-5381 Ensign — 58.00 58.75 59.00 78206 7; 305
. 21/4 0-5382 Entnil 60.75 61.50 61.75 60.75 325
2 t 16 13/4 2% 0-5551 Entice _ 62.50 63.25 63.50 732551—347
7 21/4 b-5385 Entire 65.25 66.00 66.35 65 25. 365
: _15/1 33/ 13-5366 Enzyme 68.25 69.00 69. 25 65.35 4 _(1 7
2_1_/4l ‘ _D- 5387 Epilmz 71.00 71.75 72_. 00.5 71. 00 435

 

 

 

 

 

 

 

 

: ’E-5301

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

88.00 1 _

 

 

$3551.31 Punch Holder—Steel Dle Holder
PRICES

(‘11-.11 V {117 Steel Bushings Cast
Should.
Short Should. Long Bushings
E— 52.3 Mildew , $30.00 $30.50 $31.00 iii)?
F.- 52 .32 Minion 31.00 31.50 32.00 31.00
11.5233 \Iinnow 32.50 33.00 33.50 32.50
l"- 5234 Kliriuet 32.00 32.50 33.00 32.00
E-5235,\11r:uze 33.00 33.50 34.00 33.00
E- 52.36 Mirror 34.50 35.00 35.50 34.504
1E-5237 Missal 36.00 36.50 37.00 36.00
,E‘ 52 :18 Mitten 37.00 37.50 38.00 37.03”
F— 52 139 Mobil? 38.75 38.75 39.25 38.25
E— 5271 Modena 36.00 36.50 37.00 25655
E- 5272 Modest 37.50 38.00 38.50 37.50
E -5273 Modish 39.00 39.50 40.00 39.00
E-5271 Mohair 40.00 40.50 41.00 40.00
iE-5275 111714-14?“ 41.00 41.50 42.00 41.00
F.—5276 molest 42.50 43.00 43.50 42.00
11-5277 111515514 44.50 45.00 45.50 77.50—
E- 5278 Monger 46.00 46.50 47.00 76—0?
'E-5279 5157.774.- 47.00 47.50 48.00 77716—
Morbid 39.75 40.25 40.50— Z3355
E—53112 Moreen 42.75 43.25 43.75 4275
F- 5304 Mormon 43.50 44.00 44.50 4356*
F.- 5365 Morsse 46.50 47.00 47.50 616.50-
E-5306 Morsel 48.50 49.00 49.50 46.50
E—5307 Nlortar 51. 50 52.00 52. 50: —51. 50
:E—51131 Moscow :56. 25 56.75 57.75 ' 56 25
E5332 M6516m 61.25 61.75 62.25 61.25
' .E- 5331 5154q...- 65.50 66.00 66.50 "' 65.50
F. -5335 \lotile 737.00 67.50 68.66-‘6700
E- 5336 Mucous-W 72. 00 72.50 73.56. “72.00"
E-5337 Mumn 75. 00_ _75 50__ 7601:7300
'F;-5:181 Mum-t 70. 00" 70. 75: 271125"? 70.06
,h- 5382 blumnier 72.75 73.50 _761—06— 72,175“
i F. -5384 517774151; 76:75—77:55 _1:_77:75 7‘ 76.757
F.- 5 7.85 Nlurmur 79.50 80.00 80.50 ' 79.50
E- 5386 Nlumle. 85.00 _65i'75 86. 25: 3560'
E- 53.67 3117.41.31 —*'~ _BSSO— _69 00: :‘ggm‘

Thickness of Punch and Die Holders other than above can be supplied. For each additional 1’” thickness of Punch or Die Holder
add 5 per cent to the above prices. See Discount Sheet to secure net prices.

Guide Eins (or liécr figs) Leader fins

616 $409 regaire all dies go

Ency sad Le llXCKiES (rgeo ”Iiéer

They are useé in Pairs--cither two or four

0‘!
(.4-

(i117; 3.20 {pic‘s pins 0 1 be. plead i“; one of

:J.

90:31. u

~.'

‘" ... w" 1 ‘ "1‘ - I"." ‘- - r " v ‘ “-u i
Eial ALMCLJ Ugon Lue Ouch co on CtntEI

1161‘s,

-. -
l '-
- - v ...

aLC leit or aront the Lack, or opposite CULHElu. ine laur
pins are iuite r(gulurly plccefi upon the four corners.

“Iv-,0 pins are retulazl'lg/ use”; spin :all the smaller sets,
Eulerc'zas fag: 'vins':c.€ usxm7 upozl'tAE'ILsr,(1r Ciexz, sucfll as

6001‘T u-€li;g;, LJOCUZ, 763161»:, 630.,

ERLC" {are LLSECE orw'ixgn il rxlpér: :l].‘blr-;:inl 3x11 piearcizg;
fies, to aid '2 die s<t an, to fire (mt the ”OVCl-l?“?if”” of
'the LLgch :116 (if? 5L6 ‘xer jg;g glx: xiii; Lae Cd; (r, {are to (3(a-
trr .-Le itLi L116 tie: urn-e C‘.’€;le’ i1; (9.0461011 3116 "i;-
Erin this relatiqn. Even uLth £156 gigs the die can we
;<h;4xt€{ a i'cn '3; 112:1-ét21s lfllttllrflJiLiull to un(‘ urLjh, \::;CA

ugebi;(a s ells ilc Cifgcrence between a rcjcct or a sutis-
factory Q10(u£u. Cuide fins are used u‘3n :01“ :LG Crew Ci€s
for Vvo prinsry r€asons, n mel;, (‘36 of scttigd us on pr Os,
au;C UAE‘ u,i“?olfiit;r oi‘ ;:6‘ pz' Cur“t. .hEJre tfiiiéé? fills (Kr? L-s€6
.r: °.,- -.- .- - “a y. " .~- ‘4 _ 4.3. ‘ r..»‘--'.,-;( .‘w HQ 4— ~n"
lOI' lid; i-lLLCC, 01.1 8 Jflitél (.I‘g‘y.‘ ClC, v.16 ccwlilt» 11L ”Cu l).
is V(ry m t(ii;l, get (if.icult to aSC€rtci.. Each time such
a die wei;LiLs vsrhups t enty o: thirty to s, costing $15,000
to fifi0,0CO is movsf into a 7rctil_ wress costing QlO to $15
pcr hgur to 066.2t6, evnr= minute c;un*s. Scsifics shoLlE tie
gugxfll :3: t SKIElLlE Cie'rC-{snybtcd, tbs ,JTF btr ext oi‘21110h

.1;
.-
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g:
C
c-.-
O
yfin
} J
U)
l
(.1.
(f1

1111; C 11

(-1

finiie on C16 Lux€1s supplies, me “111 ClSCLSS the suagect

J-

' ‘ J‘ " . '. '- s" ~ '1‘ 1 1 ‘ 4’ ‘ a V ' ‘ a " ' ' '1: "7 J " ‘ 1 1" -I "I" "L -'
zdi‘u61lal 11.1.911113‘1'1 b-1(f ylll 1-1;13 (110:1 11.131.) 11.16 CCLJUJL 01 11116

Clevis curlig‘ cic. fgcre are seve1: :l 111: snuu,eeble pulch

(‘ 1. - ~ ‘ I J. c - I \

’ ? ' V, ~ “ 7 ""~ ”‘1“ "~- A r» ‘ ' T r " 1 '1 H“. n‘ ’
a; - 11.1.0353; C -11. O b-1(1 :3 101.10.? .“,'T , IE bI‘Jlt , MIL/-1 5111

7r- - < n ...._ _ -.., .- 1- =: 1:1- ‘
3 - :_'—r 1']’l .J I; 011(11'Vlof L-': JOALL L) '3 JA._; , I (it-L x: .L. Li , Af~—L (v’---J* ’ " l;-

." {“2" ‘7‘! " 1‘ ‘.' r ‘ " i a ‘ V' y‘ “f 1‘ ’ ’l "‘ ” .
.1 - 1116 11(11 [11(Su 1Luic11 b0h191uly, v10115.0, Ilflii11u1s

ine Letgods iliuSC 1 t<C h‘r nits for 1€;1L 1x5 is sclf x-
T" ‘l f! r" a“ ”“ “s ""‘*f__ t:‘ (7 TH?‘ 'r‘. "é 'L O ".‘ C i (— ‘I‘t "‘ \( ‘ 1‘ C '1 f; ‘ 1“ ‘. '3.” 1 6L: 47 _s“ .
t, LULL Uba—UI LL I ;-_'\OLJA\/A .L ' . :JLL. UOJL u ill ‘~ LL .1. .1-.LL .1. L1;- 5111.
(1};1at6 or means of a 60 or screw.

The Pars as type is “eally :16 61160 enfl for several icescn

chief of which are: :en be reedil; anC repiély CHHHLCG, without
a pock(t full of special urenches or wire ; 316 Klile hi5h

speed steel eunches e“e made us to genéle special or Cifi cult
l

. '~ . w u ' ‘ 1 \ ,. s ‘ . 7v 1v ' r“- y l ‘ ’ '.-: . ‘ ~ ' {5 ‘ ‘- '.
e1e10115 Eflluugh HFQ‘J gau5e 141611c , their 161131 r:l 0y 0e1-
L 3 steel punches peITOTm rELergaely tell uncer very S1 1111

. , "7.3;..‘pv, V y .....1 1
c~;u;-uih11s. [hie (xizoori n“

cold rolled steel plates in execss 01 5 00 in quantity,

 

 

 

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HOVIS SCREWLOCK COMPANY

 

HARDENED PUNCH RETAINERS

FOR

HIGH PRODUCTION AND PROGRESSIVE DIES

S-R RETAINERS ARE MADE FROM CASE HARDENED STEEL. THE PUNCH HOLE IS GROUND AND
LAPPED. THE LOCK-SCREW COUNTERBORE IS GROUND IN THE DIAMETER TO A CLOSE FIT TO THE
SCREWHEAD DIAMETER, WHICH IS ALSO GROUND. THE CENTER DISTANCE BETWEEN THE PUNCH
HOLE AND THE SCREW HEAD COUNTERBORE IS HELD TO CLOSE LIMITS TO PROPERLY LOCATE
IRREGULARLY SHAPED PUNCHES BY THE SCREW HEAD.

 

 

CLOSE GROUPING OF STANDARD RETAINERS
IS POSSIBLE BECAUSE THEY ARE MADE WITH
THE PUNCH CLOSE TO ONE CORNER, WHICH HAS
ALL THE ADVANTAGES OF BOTH THE SQUARE AND
END TYPE RETAINER.

 

 

COMPOUND DIES WITH PUNCHES MOUNTED CLOSE TO THE DIE SECTIONS
MAKE THE USE OF THIS DESIGN ADVANTAGEOUS BECAUSE THEY REQUIRE
LESS ROOM THAN LONG NARROW END TYPE RETAINERS.

 

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SQUARE HARDENED RETAINERS
S-R SERIES FOR 1/4”,3/8”,1/2”,5/8”.3/4” BODY DIA. PUNCHES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Catalog Punch I I Dowel Price
Size P A B E D c s SH Complete
AsR 1/4 1 V4 .343 99 54 1/4 . éi’s %s $2.25
BSR 2%, —‘l%_ .468 8/8 5/.6 13g;— % I 3/4 2.50
csfi— _ I?“ 1% I .531 1% 54’s 54:; 7 5% 77/4“ I757
DSR % 1%? .680 _5/{6— 54’ I 542; —'!~§_-- 1%; II 2.75
ESR 3/4 1% I .742 I 1%.; 5/{5 I 1%; 1.7:; 15,6 I 2.75

 

 

 

 

 

 

ALL RETAINERS FURNISHED COMPLETE WITH DOWELS, SCREWS AND
BACKING PLATE.

RECTANGULAR HARDENED RETAINERS
S-R SERIES FOR 1”. 1-1/4”, 1-1/2" BODY DIA. PUNCHES

 

 

 

 

 

 

 

 

Catalog Punch I ‘ ' I ' Dowel I Price
Size P I L l W D I E I S SH I F l Complete
GSR I 1 7 2142' ' 1% 9g ' .731 ' 38' % I 5,6 ' $3.00

TH?" [1%) 73-3/2 :2: ”wig? 78". ?€‘_;‘>8_‘f3-3_E-
KSR 11.72 I 3% ' 2% I 3/4 .1310 I— 71.-1; . If)", ; 3.; I 3.50

 

 

ALL RETAINERS FURNISHED WITH 2 SCREWS, 2 DOWELS AND
1 BACKING PLATE.

PUNCHES TO FIT THESE RETAINERS ARE THE STANDARD SERIES

LISTED ON. PAGES 3 AND 4 ONLY.

ALL PRICES QUOTED ARE NET F.O.B. DETROIT. MICH.—SUBJECT To CHANGE WITHOUT NOTICE PAGE TWO

   
   
     

 

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INDIVIDUAL RETAINERS
ARE MADE WITH THE LOCK
SCREW PASSING ENTIRELY
THROUGH INTO THE DIE SHOE,
THEREBY TRANSMITTING THE
STRIPPING STRAIN TO IT. THE RETAINER ITSELF
THEN BECOMES A MEANS OF LOCATING THE PUNCH
ONLY. NO STRAIN IS APPLIED WHICH HAS A TEND-
ENCY TO MOVE IT. THE DISTANCE FROM THE BOT-
TOM OF THE COUNTERBORE TO THE BACK OF THE RETAIN-

/. I ’
/" /'
7’.
"I . .
i I
\II. I,

ER IS MADE ABOUT .002" GREATER THAN THE DISTANCE
FROM THE NOTCH TO THE BACK OF THE PUNCH. THERE-
FORE THE SCREW ALWAYS LOCKS UP TIGHT IN THE BOT-
TOM OF THE COUNTERBORE. THEREBY HOLDING THE
RETAINER IN PLACE AND ALLOWING THE PUNCH A VERY
SLIGHT LATERAL MOVEMENT. SUITABLE DOWELS KEEP
THEM IN POSITION.

THE RETAINING SCREW IS MADE FROM A HEAT-
TREATED ALLOY STEEL WITH THE HEAD DIAMETER
GROUND TO CLOSE LIMITS. IRREGULAR SHAPED PUNCHES
HAVE THE NOTCH CAREFULLY FITTED TO THE PERIPHERY
OF THE SCREW TO KEEP THEM FROM TURNING. A NOTCH
IS MILLED IN THE HEAD SO THAT, WHEN IT IS TURNED TO
THE PROPER POSITION. THE PUNCH CAN BE REMOVED.
IF THE PUNCH STICKS IN THE HOLE A FURTHER TURN OF
THE SCREW WILL BREAK IT LOOSE. A STANDARD HEXAGON
WRENCH IS USED TO OPERATE THE SCREW.

0.1/3 ,,

', ,I/ 1 / ' z” '
// -/ ifl/é’yfi, Z.
. / ’ . / ' /, .//// 15’ ,. /

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7//////////////////////4

\\\ \\\\\ \\\\\ \‘

HOVIS SCREWLOCK COMP N‘YU
THE HOVIS SCREWLOCK PRINCIPLE

THE PRINCIPLE IS SO SIMPLE THAT A LENGTHY DESCRIPTION Is UNNECESSARY.
A CAREFUL STUDY OF THE ILLUSTRATIONS ON THIS PAGE TELL THE WHOLE
STORY. THE PIERCING SHOCK IS TAKEN DIRECTLY ON THE BACKING PLATE
THE STRIPPING STRAIN IS TAKEN ENTIRELY BY THE LOCK SCREW. THERE- I
FORE THERE IS PRACTICALLY NO SIDE STRAIN ON THE RETAINER. .

 

  
 

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STANDARD PUNCHES ARE MADE FROM A HIGII
GRADE CARBON—VANADIUM TOOL STEEL PROPERLY HARO-
ENED AND GROUND ALL OVER. FOR AVERAGE PIERCINGI
CONDITIONS THESE PUNCHES HAVE GIVEN EXCELLENT
SERVICE. EXTREMELY HARD OR SCALY STEEL SOME
TIMES MAKES IT A GREATER ECONOMY To USE A PUNCH-I
MADE OF HIGH SPEED OR OTHER SPECIAL STEELS ANDOUR
ENGINEERS WILL BE GLAD TO ANALYZE YOUR DIFFICULTI
PROBLEMS AND MAKE SUITABLE RECOMMENDATIONS. WE
HAVE ACCUMULATED A GREAT DEAL OF INFORMATION ONI
PIERCING PROBLEMS.

SPECIAL RETAINERS WHEN REQUIRED FOR CLOSE!
GROUPING OF PUNCHES CAN BE OBTAINED IN THREE WAYS.
ONE—AN INEXPENSIVE SOFT PLATE To MATCH OURI
R-R TYPE RETAINER FOR SHORT RUN DIES.

TWO—A HARDENED AND GROUND TOOL STEEL PLATE1
WITH GROUND AND LAPPED PUNCH HOLES (LIMITED AS,
TO OVERALL SIZE). .
TH REE—THE NEW SOFT STEEL PLATE WITH HAmENEOI
GROUND AND LAPPED HOVIS LINER BUSHINGS.‘
THE CONSTRUCTION OF THESE PLATES Is SHOWN ON
PAGE 9. THERE IS PRACTICALLY NO LIMIT TO THE SIZEOR
NUMBER OF PUNCHES THAT CAN BE PUT IN A SINGLE PLATE.
ANY SHOP WITH JIG-BORING CAPACITY CAN MAKE‘
THEIR OWN SPECIAL RETAINERS. THE PURCHASE OF

 

HOVIS LOCK SCREWS AND HOVIS LINERSI
LICENSES ANY ONE TO MAKE THEIR OWN RETAINERS.
ENGINEERING CHANGES DO NOT NECESSARILY SCRAP THIS“
TYPE OF RETAINER. ADDITIONAL PUNCHES CAN BE ADDEO.I

l

 

   
 
 

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‘ METHOD OF HOLDIIZG PIERCII~;G PUI~.CHES
4’ (I

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regularly without brea ‘ ace; the die being of standard de-
sign, which up until recently was of considerable satisfact-
ion to both the Parsons Company and the 03erator. However,
piercing methods too are rapidly cian.ine and where-as it
Yes never attempted to pierce a hole, the diameter of which
was less than stock thickness on production; today much
smaller holes than stock thickness are being gierced-- and
the "Bostitch" Company have developed a stapling method and
machine that will drive a small metal staple through several
thicknesses of metal and then clinch both ends of the staple
as it passes through. Some design departments have-celluloid
templates of both die sets and punch and button sets-- and
should they not, it is indeed a handy item for the designer

to possess-—he can obtain celluloid of l/lO thickness then

scribe and v-Iork out his own temzlates ard for his own con-
venience.

Rotice should be here given to the backing plate, shown
behind the punch 1/4 " thick. This backing plate feature
should always be used when piercing heav; gauge haterials

to prevent the punch imbedin g itself in the punch holder.

UJ

tandard Shop Methods of Eunch Re tainin3.

The regular shop methods of punch retaining is sketched to

clarify.

‘

l - The cheapest, most rapid and used for low production
the punch being seated in either a block of cast

iron or mach'ne steel.

2 - Practically the same as number 1, except slightly more
Vexpensive--the ad‘ed punch shoulder used to punch the
heavier gauges of stock.

3 - The peened punch top, mounted in a retaining plate; and
for high production in light gauge material also where
several small punches may be located closely tOgether.

4 - The most used method of punch retaining. This punch

will strip well, because of its shoulder.

U1
I

The method employed to cierce small holes--the piercing
punch itself, ordinarily is made of drill rod. hhen the
punch is placed for high production and either heavy

gauge or of high carbon-~the latter three may or may not

be used with "backing plates" using the same principal

as used with the interchangeable punch sets.
Where to Start

Have before us now consists press data, the part draw-

ing and a rroducto,5aumbauch or badly etc. die set catalogue

. . . - I ‘ .
-—we start our layou _planning. VisualiZing a 7 %' snut-

II

height die with a die set perhaps 6" or 7 width and depth

of some 10" to 12". We find such a set in the Eroducto Cata-

logue on pages 43 and 41 and Danly sages 44 and 45 herewith.

The thickness of the die shoe is of little importance, for

host any suCi thickness as required can be purchased. The
ultimate happens to be Eroducto die set #D52jd or Danly deTRj
He then can "lay on" the end view in red of the part-~and al-

so side elevation, layout plan of die and punch set. host

 

 

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of the study of the designer will be spent on the end view
above section A-A. Detail 8 is laid in, then 15, 13, 9 and
10. Then Details 12, which is to prevent the stock from
closing in while performing the curl; detail 7, which is
the forward gauge or stop for the part, and 5, 6 and 11 spr-
ing pressure hold-down. Working then with the forward die
cart, these details can be transferred by projection to the
other three views, working and comoleting each detail in
each view as progressing. The height of the die can then
be definitely established and the punch holder thickness is

set at 1 3/8”.

with the cam action, detail 8 arbor pin location is def-

(I)

refore attach O? a pin to a slide-—

U

initely established--tn
detail 4--which is placed upon slide blocks--detail a and is
held down by detail 3. Detail 14, the cam, is then located
centrally between arbor pin connection and the rear of the

l at a 50'

([‘I

die, and the can travel laid out for 1%" trav
angle, which establishes the length of the can. and finally

. .. u. . o o a I 1. .2 . /-'
the die snoe thickness. naintaining a die shut height 7 l/a"

All wearing die steels are specified of tool steel and

dened—-the die maker ordinarily selects his methods. Dome

:\
93
*5

design deoartnents specify the grade and quality of tool

steel to be used and the Rockwell or jrinell hardness.

gractically all di“ drawings are detailed and dimension-

(L

t elf by the desipner. Detailers are

H.

U)

..H . 1.- ~1A.-" 1"
ed upon the 8.3se.:.oiy

seldom used. Dgecial detail views of intricate parts which

I‘ll...

w

 

may need some clarification, are placed outside of the

bly.

Dowel (and use two) all punch and die outton retaining

plates and use one or more screws, placing the dowels as

apart as possible. All permanent yauges likewise should be

doweled; also cutting steels on all blanking and gie
dies. dcrews of the socket head type are preferrec.

r)!

of C 9 screws have long recornized the disa-vantayes

1” the or‘°nary slotted head, or he; head ca) screw.

0
..J

heads eliminate troubles due to slotted heads or to rounde~

1

corners of alternal hexafon head screws. hey can be

‘. p ’ 1 ‘ '2 “ A x~ ’. “ ‘ *r . . 1" --‘.-‘. “ ‘ ‘ 3'
u-) lully as hard as the ortihary ca) screw aha ace much

convenient in close cuarters where there is not room to age-

inherent

docket

‘

set

lj a screw driver or s wrench. And Lhcfi couhterbored to

take the screw head, lend themselves readily for adde

ance between "punch" and "die".

The checker is used in only a few shops on dies,

whicn

places the accuracy of the die entirely no to the ceSirner.

actihv, careful, and efficient. Desides should some
be made, it is usually corrected when encountered by

'1 O

ie-maker.

£3

The Keller

The adjacent photographs show the Keller Automatic Tool

reason that it usuallv plays a most important part in

I v e ‘ ' “ . . -‘ .— 11,- . . ‘1' . 4") . . A _‘ r-_ , ‘IR,
Doom L30hlhc. Ibis machine is mentioned here for the

far more ex-

BPI‘OI’

the

very

tlie

matter of die design, esgecially those parts of intricate

far

1:10 re

 

 

form and most'all of the larger formed stahoilgs use in

a

T “,4

automobile industry. in tdiS case, the die drawing is de-
tailed for patterns, shut height and press 'imensions with
other minor special details-~all to be machined to the "hel—
ler hodel . This "heller hodel" likewise is usually avail-
able to the designer and enEineer to consider methods, draw
lines, and such special, yet pertinent features.

'The Keller Automatic Tool Room Machine is a powerful
milling machine, made in several sizes, Operated by electric
tracer or push button control. Under the tracer control the
shape of the master is reproduced automatically by the ma-
chine. The model is the uoyer ford, the tracer appearing

opposite, which is made in several sizes and forms to suit

q 0

the operation. The ‘ie part to be machined is the lower part
with the milling cutters Op osite. The job may be either
profiling in two dimensions or the reproduction of reliefs
in three dimensions. In each case, a tracer passes over the
master form and the cutter duplicates its path precisely.

The cutting is controlled electrically to maximum cutter ca-
pacity regardless of the shape being duplicated.

The master or Keller model or form used can be very
simple. Solid models may be of wood, plaster or cement--or
they may be finished tools to be duplicated, worn or broken
dies to be replaced.

Profile Tracer
There are two major types of ooeration under tracer con—

t:I‘Ol. The first of these makes use of a profile tracer whicn

 

 

 

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. ...

 

 

 

 

 

ontrols and ruides only the vertical arid horizontal move-

ments of the machine, the cutter having been set to a given

r-‘J
o

depth before the Operation is startec A thin oiece of net-
al, as a template can be used--either male or female.

The tracer point is in continuous contact with this
master as it p sses arount it, guidin: the path of the cut-
ter to reproduce accurately its shape.

Automatic Tracer

The second type of tracer is used for three --dimension—
al work, either relief or impression. Once the machine is
set, it is fully automatic, requiring no guidance by the oo-
erator as in the case of the profiling work. The machine
controls are set to cause the tracer to cover the entire sur-
face of the master in a series of parallel strokes, either
vertical or horizontal.

The third dimension is controlled by the automatic tra-
cer when its point is not in contact with he model, the ma-
chine is caused to travel in. The autonatic tracer responds
either to axial or side pr ssure, and by means of interlock-
ing relays it eliminates the horizontal or vertical motion,
while traveling either in or out. Consecuent y, it faith-
fully reproduces 'he conplet e form of the model, no hatter
how steep the sides of its cavities or elevations lay be.
This opera ion is en fl: oyed for forming dies, previously

‘
‘

cxiseled, filed, and yround out by hand.

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mm.mmefla moooaa ooo.om--pwoo modem

 

 

 

 

 

 

ms.0mfi aofl schnappmfiaasee ems moHam
bm.s0mww pmoo huopoam Hapoe
om.efim Hsfisopae
oo.Om messes one
os.mess cmessm ens gonad pmoo soaposeosa cane empasfipwo Haves oo.mmes
Haasmpas oo.as
oo.mmm
os.mes . .u: use Oo.H
oh.HHn . .msn 0mm --.He
os.HHm oo.Hme
mm.mm mm. mH.mmH mm --- new end use ma>sae mos m suspend o>opa mm:
mm.Hm mm. ma.wm mm .. mNH ooe same Hanna aoHH< mos 5 mm oo.m
ow.me ow. mm.mm mm a on com Hugo Hougoo are ace 0 me oo.ON
om.me om. mm.mn mm m an oom assuage Homsoo m a mo» m we oo.mH
ow.nH on. om.mm mm e we coma atom oemaoa H m mos e ma oo.e
ow.Hm oe. ow.mm mm a om oooH museum Homgoo we me» n mm oo.oH
om.n¢ om. om.>n on e on wooa Madam Homnoo we won m me oo.wH
oo.am om.H om.mH no os N NH mates an steam games Now H
oooe .mu; gonad .peoz
.wh: .oz
.cenn .nuep panda open open now .mu: .s: pom coauapomo .nomm .pmoa .aomo
”away sou: Haves mama .tomo can aspen spasm pmoo Hooe ecu man

#0964. GEM mmwfliowdfifiu mm

-.‘

estimate--Dies and Labor

A word in explanation-—the blank is layed out and devel-
oge' by the estimator to nest and run most econnomically.
Some departments have a man special for blank layout to en-
able the buyers to purchase material for the first run.

The specification here is for a 5;
from a sheet, said sheet would perhaos be ordered either 22"
or 44" in width. Lenfiths of which would be in multiples of
2" aiding %" to sheet length (which may be from 65" to lid”)
so as to acquire a full blank from each strip and, as the
multiple is nearly altays short. The method of figuring the
stock weights will be explained later. This weight is fig-
ured for the quantity to reduce the percentage of error, by

not carrying out sufficient decimal places otherwise.

The column "Total hours" likewise represents for 5r,QOO parts
at the estimated hourly production.

Total labor represents: 09erator Rate (plus helper Rate, if
any) x Total hours plus ‘ie set hours.

Total Burden (or iachine Shop Expense) represents: kachine

Burden x Total Hours plus die set hours.

The die and tool overhead is quickly figured (and usual-
ly) at so much per hour for the total estimated hours for the

dies or tools.

rcnu 112-1

..... SHEETS:

THE YOUNGSTOWN PRESSED STEEL Co., WARREN. OHIO. U. S. A.

ESTIMATE SHEET

 

 

DATE ................. . ......................................... 192 ......

PRO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

... CUSTOMER'S .
m Anom- ..................... sem- ...._-.N.o
m PRO. CUSTOMER's OUR
M -- -~ - - BPNo .............................................................. RAFT-.59- PART NO-
EXTRAS MAT‘L WT. GA
GAGE MAT'L ............................................................ PER 100 STOCK STOCK
GA. GA. QUALITY PCS GA
TH ' _ '
__ I
g aAsE QUANTITY QUANTITY ............. PER 100 ;
H_-_ PRICE __ _ , HES??? ________________________________ I9,’?‘__5. ______________________________ éI ............. E9? ....................................... T ........ _
GAGE BLANK sIZE BREAKAGE
aw L EXTRA __ REO'O PERPIECE ALLOWANCE _____ 5% ..................................... 1. - _
1 ONE SHEET MAT'L BURDEN
5 ............. TOTAL 9.1-"? ...................................................................... 95".,‘99,,'-.35- ........................................................... mu -- _
L 1 EXTRA
...... TOTAL’ ._ "_"_’_‘.F-3_---.__.-._§_T._‘?.'_‘.’_§9§_____-._FA‘?.*_',_?_..___......PCS .-.-.-..._.T.QIé!-..9.-. --- ---
GA GA
J“ NET WEIGHT SCRAP PER 100
‘9”: .. ...... .PR'CF - - ......... PER 9”“7 ..EF§§..._.....K.PFF_.‘_99.59§:_.@__-- H.331"-.- ....................
1‘ WT. OF SHEET
3' ................................ -- 3.599:35.3-.".’_'_F_‘?F................ . ........................... . "57,9051? PER. _________________ 1.0.9, E’PFFFF? .................... - - _
' WT. OF sCRAP
m , . V. FRQMPNF _P'FQF ............................................... --_
1 ...................................................... l _
‘ WEIGHT OF ONE 1
......... - “N'SHEDP'ECE :.-----
l I . ‘
fl ‘
PRESS PIECES LABOR BURDEN CHARGE DIE SET I): TAKE DOWN DIE
———- PER 10 7 _
DPER‘T'ONs “CUR, I on". RATE TOTAL Total Rat: How“ LABOR BURDEN COST
CL- "0- "'""““"" HLPRG. EACH RATE PER RUN "1R ”0”" TOTAL RATE TOTAL RATE TOTAL
— -- x
{33559.5 srocx
L
............... "‘ ""'-’I‘ - ......._....__,:
.................... .. .......,_,.. -
........ .--",----._.-- ...............,. h
1
ALS 'i
f .. - :.
REMARKS “‘1'"— PER .................................................................. ‘09 ”.5ch ‘ '
TWP-99.5.7. £599.“ CflFRGF-PEB. " " l
'F-HYFBI-.....V...-... .-.- was??? ,BURDEN-CHARGEPER “ " p
DIE SET SPREAD --------------- _ .......... -
............................................................................. LABOR OVER. " "
DIE SET SPREAD ------------------------------------------- _ ‘
EURPEN ____________________ OVER " " I
................................................................................ T 999023559 " "
..................................................................................... I? .6_€3_T_QBI_§9§T__E§R ” PIECES
.. AOM. a sELI-ING q,
.......................................................................................................... ..-..--.._-.
”gm—Es egg-Tran " PIECES '
............................................................................. ADD PROFIT %
- 9E'THK‘EIBJEE.3455.99.17._T_99_l:__§f!?§62m.,_.___,.__.__,.__u___‘__w_.___ _" PIEcEg“
, DAT TOOL SPREAD """"""""""""""""""""""""""""
~ -- " _EflARGE QXER " “$995....
on: ,, 9FEEW§3W9§WFTP1TOOL. #PRQ’AQ _ ____ fl ” PIECES_

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

,‘ ,-. .‘ _‘ I‘. I" A H ‘ ’_‘ J- T Tl-r‘ ‘1 O ... P-F : O '\ (.11 a
Nlflf EStlmaUC CQVers the nasning ndCLlnb iu

previously discussed--A tub 21 7/3" OD ti‘

13 5/16" in height and requiring a blann of 13 U

in diameter.

times 46"

.C.5

price will

haterialz—

G A (0'5.

.13 Frt plus .13 width = $4.,~

re figured upon a Production Base
pettinf Base of Etc; which means

.‘ 471 1"} ."'\. n ...'+‘,. .—-'l,.i.I-,
U._o LJD- up :,'.LCC'3:;, ‘uibi. a mi}; .1:U..'fl

and tool setting.

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Total cost ptr 100 ' 10.70 lg.éé 3,37

 

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The over head on this tub estigate is figured Ly desertmcnt.

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#5 101660

011501.
Cor-sol
.1 _ ..
#12; 101600

#6 E- Co 1130 l

{58 Toledo
#58; ole<o
#59 I106

3941 ‘0160
fri:98:§ TO 166 0

131660

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.5‘ .h-Io- ‘--i'5U;-......L. .5. .‘JL/ AL; +4...
? DC?
J—

E/Q £01660
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Spot-\clcer

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Gun Iélficr

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Tabular hivgttcr
C Ion Livcftcr

n3 Furnace

iiht Imills
16373 131118

17. ' 1‘ ‘__
ufllChEar

fieucn

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Equipment Production Per Hour

As an aid to the estimator, it is well to have recorded or

charted the equipment production or time study rates for 'ach

(L'

Operation. It is of service in tnat by so recording, either
particularly slow or rapid production can be recalled, when
such equipment records follow:-
Factory No. #1 Toledo Lat. stroke ter nr. 09er. rap
1562 100'0 60
Blank 2400 2000 13L0 1500
Elk & Pierce 1400 1200
Elk & Draw
Pierce 1400 1200 1000 1000
Trim 1200 1000
Form 1200 1000
Factory KO. #6 Consol- flax. Stroke oer Hr. 0per. nat.
4746 geared 5000 70
Blank 1000 850 630 500 V
31k & Pierce 1100 750 650 500
Pierce 900 300 650 600 500
Form 800 700 000 500
Blk & Draw 1000 900 300 700
Redraw 800 coo
Draw 1200
RATE
Factory Lo. #73% Bliss Kan. Stroke per Er. Oper; Hlpr.
917 540 80 70
Blank 400 350 300
Form 450 400 550
Draw 475 400
Trim 400
Blank & Draw 450
blnk & Fierce 500
RATE
Factory No. # Toled lax. btroke per hour Oper. filpr.
6794 400 1.00 .75
Draw 150 200 250 300 350

“or regular tie uork,-ot Boll€( fi.kle( an: oiled Steel

’)

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. ... .... 4-‘ .-, o . ... : ‘ ' -r- —. Jw . ..'_ 4 u . '... . ,—-..\.
L81 .111» o.’1(.:-1‘ 01;; 1.3;; (3&8111116S--€;.CL_T_.I13 uncru 011C!- Coll't C-i’<.:‘-..-.

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5.;1‘111Q; f:b(.(l S de -ll;;1 :1;- (35.1001; uO ~6- --{,11Ll(‘\0 1'- L116

regular pressec netrl plant and is frotnec oycn unl€s~ rncc-
' 1'1 -. ° , 1 , --, " .-~- 1-, (3,, .- 1 '1 ' ‘ ,. ._ ' - , .- ,- - 4n
iai ;; Gaujiigeo. All CMU(4 vol nuOLLLI u€.;-0067 go 11 fiDat n16

" -- 1 -. ' 1 + 1.. .- . -:-‘-~,—. . . - ~ ..—.~~. -~ 1 .-'--» ' .‘ "
Dlann 1. posaiole, to 06 blann(t -ion a LHGLifC strip-saic
31 . n‘ 7»‘--.—»- .-14.j.°-- 1‘ ,.- ...-. . .' 2:. .. . ' -

s:.e<i- 1:£111;3 “lxn-i;- pic .1111_ rslr e :gvuzx-11-1 L1(”Lu 6::

_ ‘-- ‘_’. w‘ o 4-:- o ‘6 W, I! ‘ 1"1 ‘, o ‘_ I "I . '1 a ‘I_ ‘ 1 _- . I:~ ." _ -_- ' . ‘ -
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...-(.).£-—l C)..I.:-.|LLU\_HU_1_,‘J.L OL;;€1V-Lt 0-- LUECl LsCIiLLilt/C‘ U:- l{,"\j|vl _-'l;:;.1_‘._~

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12 .109 3212 5119

16 .0.2 1542 1&29
8 .030 1478 253
s“ ‘. ~‘ "" ‘\ («n n _r'v
(LU . O’Iv.) lng 1.070
22 .021 93 895
8% .025 73 716
26 .013 553 537

.0156 170 £31

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.010 294 £85

.O‘-5 1L1? 11:5

“n q '. . _ I. _" .-",. ." .w 2., V ., ' . - 4.-.... ,_; t i,‘
~ino the area of bflC ‘Dl:1.~.1«~ \...'u11..l. le ... sleet or Sullp Littn)
-- v M. -L'- - — .-..“ .-~"+'.. . 7.- 4+. --,« .4-.-n+
1.11 1&1le 6: on..- 0.1. E-tjueu e 1.“.(3-;CS (4-0. .-1U_.L u 31;." of u-;C C :iLEuuiib

- , ...“'.-.,. . 3. ..-...“ ...[5- J. .r 1.» n ‘ W
CoriffiflyJLOllQJ to ‘tue g;ne_e oi €u€€ L to t(.Lisco.

Llank 7 11/16 X .030 x 7 5/8

7.e375 x 7.685 - 53.o17 square inen area of blank

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.eooz x 1&72 868% per lOO blanks

11/16

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7.625 - 7 5/8

£862 - Constant for .030 stool:

The constants uses sr— based on tne theoretical height of
steel, plus 4 2nd 1 fl, as inCicstcd by the column neuéed lCé

\

and 101 r-spcotively--snd is computed to g1VC tic neicnt saf—

bove answer Ly 1.09. To obtain the weignt of Aluminum, us.

r77", . J“‘ - ‘x V ‘.fi I
duw 01 uué stove ansher.

1

A very hanfiy ”Leignt Iook--Flet Steel" is issued by the ;e-
public Iron and Steel Company of Youngstown, Ohio. This re-
ference book gives approximate ueight per lineal inch of flvt

O

.L. 1 g . .-':4.u 9. - 4m
UO 1.9’ 141 ti(.tn, {hf siirteei;u;s.

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I (tLMDG 0;. noLLtinL,

.- ‘ 'n -\ ‘4 . i 7 - - .,_.' ‘7. ~-. ."\ . ‘. .\\ "‘ I .u '.2 \ '..'\ -." Na‘ ,-‘ ~ I 1.
Tue routin (LpigeCl nust oe ou o. tne ianns O1 tne

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procwictioxl, tool” ehgc 9.xnit €.,Jn.6eriin, c VlEdlhlb, timag ale

,- -..- ,,!. ..1'. , ...‘._.,. '. . i. 2"“ Y. . -.., ' — \ (-7: ”41' . 7
ALL( 11. .110 UlLL CIS UGLLU ...EjC-.L1.'LCS, {MLLO _*'-l.‘.C\"-‘ t--€ll‘ 0:11.“); DELLA. U16 S SEC

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their Liniteti.ns; nen tho can visualize tn evolution of e

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llulfil-C siticle, irOn tie lam neucliel uo a

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uring Operetions; men who can Li ure to a i
that it would cost to to tne sanejob this may or another;

men tho ooulC o ncieve ano ces';n 14w machines, new ecui

ment, or new tools to {0 sons jou, tnat coulé not oe d ne to

a v. ~,n,— '~‘ ~ -- ~v J' ‘y‘ - 4~ " o x l ". ~ J" ‘~ . x ’
ae euytebe Oil Lle eeuip Kilt aVeilelflJS.
n‘l ‘4 . ‘1“ '1. ~ '2 ' ~ '2 ‘ . J- 4"] 4 v." .1 w J‘ “.1 w r . ‘ "v r.'\
-nis L5L, practical SCletlSU Ol LLCQQU1J Le texm a
"‘ ° ~» new '.. ~ ~ :7 -r ' "t . ' . --. D 4-» ,
“ZOuLiL¢” or iool Iniince- . we is E16 inhfllfifl Oi tno
‘ J _ o v

".- - I. ‘ ‘ "I ' 1“ ‘1- . ‘ J. A l" ‘W‘ Z -.".V'! '. ‘x' ‘ 1‘“ - --~ .‘ " I.— .. ... I" '
[)g‘bbfi .L (5.; O. -...’_-CJL§;,_(£», uUOlS, QJLLL Ctxi :..‘.C1..'.L ULLCAU Cllafclcter-

o ‘ “A _ - __.2 -‘n - 4.- r' J. o ‘ , . ... _o’_ 1'” 4-r\ _.o 4. ‘ v ‘ I o _‘~_I~
as: “mic (111 1JLCLlEZu1,’. Ia. 1.s -.lf: . ‘u by ;].u 653011 0116' 111 1.ts

/

7‘ i ‘ ‘- - J- J '\ I v up, .- 71, 4 \ v y - ’1‘ ‘
piogei piece so U.:t uJE L.ole 1 , oge.cte su~otnlj enter tne
" O - ‘*~ “. \ ' . 4‘" "x \ .\ ~“‘ "'11— ,‘ "  ‘ ",' -.v -,~ "1 .1 . 7 . |. r " ~- " 'l‘ -. vv V
11616 tf.li€;‘~1..-ll: OL t;1(.,' {hdeL‘Lank/ab“ 121.1%, (1'11?) 011; €4‘.€CLAU.L‘J€)S
.-- ~ .- .-.. . s a— , 1. ,_ - . .-.-l- ' 4- . -~: ~ ‘ 7
{-.i‘iC‘. 1'JUli~.i*L.€11 (91-1.46, 116 1-;u,--t £61CL 0 13-16 llL’ilL. grilOCE‘SSGE {-..LlCa

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CHE '11:,111.’ («it-.1 .;1(;i.b. ;i€ LnLliz‘u see LulclL €ctCfl ;;lCIC;11;iC 1F..- prog—

e;ly provisioned.mitn tge light nine of t ols snc fixtures

so tint it o:n on .y ext iL :flticulzr .sai-nment effectiv-

_f’. e :is iuifiudgti“ 's .1ntL CCibfllj;:~ :“trt“e;f::t, t.io, IJJEJG :n13
,“e is' becoming. the ;‘.Z'i‘:..~.:l juc’ige as to '-..l'lC'bEl€I' a new iclc-a" is

. ,' _ .w r .2 ‘. 3'7, ‘, ‘- p . T‘. ‘ .'
eoonouioallf »eusiule. .Jen no flqfi Luce 41s

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:36 uentlr is ine resnonsioil

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is therefore, by Fifh s, a press Operator, a 1e setter,

a machine and tool desidner, a milwright, an estimator and

a time study man, all in one--all required for this science

of economic production. he watches new tools in process of

design and construction, set-up, and tryout; he is, in the-

cry.

layout, and the orogres

a "Laster hechanic".

The routing engineer is responsible for the operation

(.0

-

of the part in every detail of its

journey through the plant. He has acquaintance with all the

fore-mentioned data, plus standard tools and the accessory

equipnent.

This engineer first certains whether or not the stock

93
U)

I

must be sheared roughly, square sheared to size or pattern,

or cutoff from standard strip stock; whether the blank may

be marked to template, then rotary sheared, unisheared, or

band

saw trimmed (and burred} and so designates upon his

routing.

bait in line usually follows the ores: orerations, and
selection of the proper press for a given kind of work
depend upon:-

The size and type.of die required.

The amount of stroke necessary.

The pressure required for doing the work.

The distance above the bottom of the stroke where this
pressure first occurs.

Any additional pressure required, due to the attachnents,

such as . may be used to perform the job adequate y.

(3 - The oossilflxr;iethoi o? teefiiing, Cirectioric13i3e€< 5R0
sis: or Ld€ft, “1 LL, or UlthlC, Tflf -lso deter ine the
tvpe o? presr.

special attention must be giver in most shops to the orderly

cr0¢rtsfion o: the mork through the plant; Operating tron

one censrtmcnt to the next, mithout retracking--ond frtn

press to press, with portable machines interspersino those
set permanently into position, handling minor operations.
The tell pl ired shop leClEVC. tne “an reterial into
one end of the ~lcnt, it is facricated enroute hrough nnd
:sii jjed :tro “the cmwposfi'te C217--ctid :1) roixted. Snxfli a rtlent

would be lined up into departments n ch in the 1

Recieving and steel storage,

Square sneer, otrry shear.

Strip stock depa“tnent
(with cutoff, pierce and cutoff, mart an‘ pierce and partinx
presses)

holler leveller

Zea y press room
(with rotary ‘gesrs, spot-welders, and metal band saws)

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lO‘DL-‘w'j

A. 2.. q V A'..‘ 1 I, 4‘ I‘ " 'i ' ‘ . ‘ Q n, xf" . ‘ -_
C31 L110{l::., DUHL 6L5, U, D: €15, mafiillié; ..liiUlill’lE, 8L 1
.n: O 0 r' ‘ 71 (1. v- (j (x ‘3". '7 :fi 4 1'1 A" F‘ Cy 31] 1 , , r‘ 1‘ {_J ~‘ 4 -, C‘

..CA I , L ... g _ .. L4, ‘44.; -.i..- t - L‘s-J— -.- K ..LLIp'nLiJL D: .

rattlers,

I! ..
1. LL?-

bheet hetal Division

(with power ha hers, oress brake, hand, finfer and power

brakes, welders--arc, spot, automatic and reli f; seam and

(I’

flash; folders, han‘, scan and QOW;P, riveters--tubular and
wrourht, drills and tappers, tubing cutoff machine, metal

-‘ '1' I h ‘ r3 w 1r ‘ o-" " s V 4 3 ‘ ‘ « I" ' "« " ‘ ‘-
oand saws, grinders, Shiibpb, polisners, rotary and uniSnears

C”

and small presses, including one of the J. Lee hackett ype

a
‘

which punches and countersinks nail holes in light gauge ma-

terials.)

Adjacent to the above and connected by conveyor systems would

be a heavy washer--an; enanelinf plant-~then divisions for

lacquer and grain finishes; with or without )lating facili-

I
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The routing engineer has a routing sheet or form which he

#4)

fills out in detail or ach operation; writes and starts

(D

the original tool order request for design and construction;
the tool or die number appearing on its respectiv: operation.
All factory ma hine numbers, drills, or taps, chucks, sam-
ers, special wrenches-~everything--is listed as required to

1

manufacture tne cart in exolicit detail.

MATERIAL

Form 1114A

OPER.
N0.

T001 Layout..--.--_.

OPERATION NAME

 

T001 Trouble .........

Foreman...

 

 

In'pection ______

 

Master Mechanio

 

REASON FOR ISSUE

MACHINE NAME AND NO.

Tool Layout
Tool Design
Tool Stock

Tool Inspection

PART NAME

REO MOTOR CAR COMPANY
OPERATION AND TOOL RECORD

Plant

 

Date

 

FI XTUR E

 

SUPERSEDES

 

SUPERSEDEI) BY

PART NO.

 

Receiv. Insp.
Time Study
Plant Layout

Cost Dept.

DISTRIBUTION

Motor Plant
Trans. Plant
Axle Plant

Rough Stock

D Chassis Assem.
Sheet Metal

 

 

Truck Plant

 

 

 

 

 

 

 

(I. ~\ -v , "‘n I) if»)!
QECRC+-U lools

Ehe REll equipgeé QIESE aha sncet LCbal iluhb mill kceg IE-

“ -' "‘ I I ‘ -.l '7’. "l‘ ‘3 “1‘ '- :!' .A V' "- '1 . : “M“ a" .- ‘."l \ "
cores 01 :azlc gave, lea-lag no; u._:llu,/ Jenn LLC bled .;;s we fol-

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VDOlS U;;5;U C'Ll ..e LlaflC, .LlS CC, {zlgC- MEC . cgfi‘. Sp

1 - All circular bl$nking 61.5.

a — All mssn<w (1‘s.

11? - All cmnpounc‘ ’i;..'l<111<:i1-s; 52:;0 piercum: 0165;.

a: - _dl]. col guLulc LJLKJJKISAV alm‘ c; ‘H_;,, 03.6fiq

F; . _‘ _ _"3 ‘ fl“ .0 -.. . o ‘ (‘ -; I. ~ _‘-_ ‘».~I—‘ —. .
u - all auto; , ylflbluw “no ouuoll 0168.
o - l_ll pad?ulu;, file;olri (no :wgrullij .1653
) (V. ‘ .. . . '. “ 1 I, p ,..1_ . .. '= _. '3 ”A ' - .' a- , J: g 2 4.4- _,
7 - IOSrEEJ-f: EzllO 1-. )T' cogllflfil G fl€l Clix» _glgllLllES d; buUUOlls.

5 - POSSEPS and list all V66 form 51C“.

vael “arm Cies.

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7.1fi965g

‘ JZII SLIP FIT

INDICATOR Elk

MATERIAL PRICK PURCH

 

 

 

 

 

FIGURE

STALDARD 63E

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TO 1: I414- \‘JA-J UL 'TL. \"3

IAL PIERGI G EULCH
'QLES IS A FEW PARTS

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fr:

Cften several holes are desired in a few parts, yet
production is too small to warrant a die charge or
a bushing plate or drill jig-~tne above can be had
and is used in a few oress sLocs as standard equip-

ment. Thus, in its use, the part can be uarhed by

prion punching to layout or template. Then the in-

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Fin can be held on the prick punch mark, on

a short stroke press, and as many holes pierced as

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loatins in the piercing

Dunch and its puncn holder. Oftimes, the punch and

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buttons are ntercnangeable to suit a wide range of

piercings.

 

 

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.ory Louipment

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Under tdis n6 tins uc snocli list, a)lcer nots, aesty-

'1 c ‘ ‘L . ’ -_ .-. ‘ ,‘, J- .- l“- 1 -,-\ I at. __ n‘ , t‘ - -‘
]_erie 1x€]_c11;g' 512C (guilt1;.a etiiitu.ciit, In _c cilistlc is; “3-0 alns

- v‘“ . I V- :‘._'__ - _ ‘_ ‘ '7 ,V'. A .... ' ' A. l, , ,‘ if. - £- _.’_
iUllSntlS, lin.t tlucis, plnt.oiun31 it; coxes, rixl mite pans.

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lstantaré tools and accessory caninncnt being listed un-
Ll J ..L .L. U 1.

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J._', “I ‘- -‘ . __ ‘ 1 _ _fi 0 ‘_ .' _‘_'.. \ '_, - -:‘ ‘_ ’3‘ ‘..'..‘ t 1' .2 .. ... "'.'
011 U.;€ LOLLUlJLL Olkbtl(€ Oi ULIC L.at(i_a.c'l -l-;-‘.C,A_J Liv e“

pnc

v.

TnC‘XXJutilq, to jjeiicimi not Hiatelgf titil't;€ ti;x: studgr
and production rates till list Each Operation definitely and
clearly, for instance, sneezing Operations c:n be liste'1 as

follows:-

ShErT in striys, sodare sneer sneer to size
pattern; then, ua”k and rotary c“ unisgear to te;.late.
er Land ssrina a Lur;ing operation stculd be listed
anc :3 {01%11. rij”tin5 ognarauitnis to EN? listewi cogxsletclbr
will be listcé as Bollons for, Say Cirone plating:—

fi "”5

rolled,

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illugatl, Lilli (Inf. 11.1.: ht, e-uiC: olll- (3:40-146.

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Tdere is coniideraple variation iron this “inc—up nou-
€V€I~~C€g€L5lng upon tie recuijfmun t. inis given line-up

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is ten Lnicn is neces,lrJ ici a Aluulg pc.

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Drawinr Compounds

in vhich no lubricant is

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Although there are

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used when working sheet metal, and wh re goo d results are ob-

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ricazt on all classes

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tair ed, still, it is best to use a

of sheet-metal work.

.

For all cutting dies on brass and on steel, a heavy

animal oil is best. Eure lard oil is very satisfactory, al-

though expensive. Pr ooerators soon learn and are most

§

[:3

adept ir oiling the sheet in certair s9ots, only as is abso-

lutely necessary, thus saving considerable lubricant.

Deep Drawing bteel

In drawing steel shells, a mixture of equal parts of oil
and black lead is very useful, and while it may be used warm,

it does not affect the work as much as the S9 ed of t‘ draw-

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ing press does; the thicker the stock, the slower must be
the soeed of the 9unch. A heavy grease, with a small 9r09or-
tion of white lead mixed in with it, is also recommended for

this pur9ose. Flased graphite is like wise used ext e1 s ively

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in most shops where difficu oi av Jim: is required.

If the drawinc die is very smooth and hard at the corner of
the "draw”, or edge of the die, the liability o‘ clogging it
will be reduced to a minimum. Often it will help to give
the die a lateral polish, using a strip of emery cloth and

changing the grain of the polish from circular to the same

direction as the stee l flows.

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ooerations, or else other fradcs of material night 1‘etter be

used. In case it is necessary to anneal aluminum, this! can

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A nachine used just rarior to or ahead of a C.;:.2';ing, or

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sheet—-reducin§ stretcner strains, which would show up as

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perform most satisfactorily—~and not later than three ro‘rs

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or stock will reset and tho effect will be lost.

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host leveller machines have mashing included; other-

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side panel, hood quarter, etc., and you receive what

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was once termed an 'auto ooay sheet", as some engineers
specified, others F.P.F.C.R., which means full pickled

full cold rolled.
Plain hot Rolled steel (H.?.o.) is only specified for the
very cheapest, roughest jobs, where its black scale ugon its

surface is of no COhSSQUEuCO. For instance, inside structur-

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and Oiled (h.R.E & C) is the most usual for such garts a au-

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to truck frames, step brackets, fender irons, engine sans and
cylinder head covers and many other articles too numerous to

mention here, takin: saint and holding it reasonably well—-

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lso used where plated, zinc, cadmium etc., and galvanized,
or rust proofed.

Cold Rolled Steel (0.3.5.) should never be required on-
ly where parts are to be painted (with high luster) such as,
auto bodies and outside parts-~an‘ for cooper, nickel, chrome

or such high luster olating work. Lever for these when re-

A.

the ultimate being a surface similar to E.Q.e. and the cheap-
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The pressei metal engineer will call for Deep Lrawing

Quality (D.D.V here again when it is required.

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Form of quotations

There is only one general form used by the contract
pressed metal industry--altered in some respects to suit the
individual plant; while several use the regular letter meth—
af, making possible many errors, and occasions for serious,
if not costly disagreements. It is agreed, a contrsct form
is business—lihe and where-as a personal touch can be insert-
ed by an accompanying letter, The followins is the regular
form:-

QUOTATION
Gentlemen:

Subject to change without notice, and for prompt accep-
tance, we will furnish, F.O.B. East Lansing, Tichignn, the
following:

Name of Part Quantity' ,Part Price Special Tool
3 .
LTlCG

Price quoted on parts is based on current market price of
material. In case of any change in the base price of mater-

ial, a corresponding increase or decrease in the price will

be made.

Delivery: Parts to be shipped in lots of not less than
'fi 3 '4 0

Terms: tarts-~50 days net; is for cash in 10 days from
the date of invoice.
Special Tools-~Het cash upon approval of sample.

Credit subject to the approval of the Sellers

Credit Departnent.

III .0.

Conéitions: Enis quotation is subject to tne contitions

[—3.

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011 the: vEVtisez siCWe of 'L is :31661, 1ni'W‘ cOJZCEiti01is

1-1 .. - _ u . 4w... ... -+ .-
O... {alt}, DICE l" “1in [LS ”0.1 one 1.1:.106l181 GOV,-

this quot tion cons titu tee a contract betueén us in

,Q9 gidfii time 6 contiti iju

! 1
True al Presrta ctcrl Co.

 

 

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e: in the lo ts specirieé and cuiing urriod specified.

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he r(S€IVc the right to oversnip or un cersn'; the spec-

r o 4 o ;_I‘ o a V‘ n I . v v .1 1.... J.“ c '1 ."gn‘ .1... v) 4..
1y 1 _ _ n'. I 1 (- I yx . f“ ,F) ‘.~ 5 ,-« .1 ‘ .1 I ‘4 .
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taLc,o1Lt to mole an C 3*t couLt .nerc parts aic LLCC

roccifl or er).

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“LLCM’ (7 (“L&L) U5:1‘JILE €116, 053.516. 4‘ 01'. Lilli) 1lll-fi If}. Ci; '1-10 C10 CULEIPL"

i - lE ac cptn1ce 01 ELC- orétr, i€l(-k(, coLt13ct, or
.: ecijdxx:;io1: agriJIFst :1 COLtl”WJfi i1..:i.36tn1 to t-x: an :xw1r1
o LJC "one 0” ice 1nd stall he governcl ov the late of high-
igjfiil.
; - 3316 (.elifiseri(¢s a'ws born C 011 ;;:r sCLSL ,iiég e (lit, -ut .136
necrscrrily contighc t uizn rcciEpt of 13% nutrrinl, j’;€s,
strik(52'147 all of :1 um 1:19 Lcjrv16 ,ur r(:gxnniblc UCflle].
an( a e n pjrct to c.s pc or 311or sale of :vizltalc consciLV.
t — Le till Crsign 'LC . Le, kt tnc ricr ouctef, ;.c shoc-
izl tooln;1;cscc;si; -1- L-1'*1'o/;cti 11(3- Lgr gxitryiul or
‘ .' 1 ' ' - . J. 4— ' .' , “ 1 1: 1 . " . .— 1 ~ .1 J. '
.n1 4 tnis guouaui1u -s L'rc to Lu;3l(w(nt our fr€g(Lb C16
6 c; .1€nt. 3‘1326 :;x: tool. ta;;;_cs <3n1t(1 , “r: cv<ig fie llit
CO'J'I .416 (lltl'é‘ cotfi, : (:rt 31‘ ;;(r‘ (0(7s :K;t ccnxv<;r'thc
;i lit to one Z“f€r go 111:3:6 such tooln1'from LU?}1“SVEFSiUIL
I; 1(31 ill tr ,x: urLFIC? 11;; r r '01 :w ‘ri‘“, li"§€rf‘, th.,
ut, it as agrrtf t; t t e Errczs ev1fltv in Lny cocci;l Fi's
used to ~-o 2c use rtfzpi-_s guottf to n -€*ses *Lerc a
prr: ( c t_;(€ fca ' 1:s in 66 ii;;,ut a re—orCCr.
'2 - ifgo:1 .1i1 UL: ,uxticc: l3; t x: I;'fi€:5 :iiniin.;fl 6: rs, :3?tc1‘
levies: ofi Lfit(Iltl, KC till rtnlfic€ or eke fol a lozrnce
one; t;c n;:c;rs< :ice {or M‘tfllltl this; is reiecicd :nd
Y.JALL is lit in; ac oi“ ‘hit; 3Q£:cxxitracig‘“< uiZW‘.€;ES. IX;
sufll.1xft he res {MLEiLlC, .gxat1Cig 'mi tnc Ilrxcr trfc:x? Luci
ICOlfiCChdgjt ”or {nufil Jlloa44uxe So: L¢IT (C 63* i 1.:iucrial ft:-
:_irn€C ‘wu as“; K‘1 3 Liafixilit;f:.1atCVW"'709 {rut} E olrfi..s

arising from defects in material or other laoor charges in
handling same. In all cases it is agreed tiat full opportu-
nity shall be given for investiaation by our representative
nd rejected material is not to 1‘e returned without written
permission. Claims for snortare will not be considered un-
less made in writing within five days after receipt of mater-
ial, acco oanied cy reference to our packing ticket number.
All oarts oroduced by us are to conform to samples approved

by gurcLaser, within reasonable manufacturing limits.

8 - Our responsibility for lOLS or damafe to material in
transit ceases when the material passes into the hands of

the transportinc company.

9 - If any claim is nade or notice niven by any party that
the manufactur of the material covered in this quotation,
or any part thereof, is an infringement of patent rights, the

ayer anrees, uoon recciot or notice tron us, to forthwith

' | - r~ . - 'V ' r‘:*“ "4‘ ~ 1 -‘ . ,’ "r,",’ ‘1“, “7
to save us Lofmldbs 8\qlnbb all loss or oanage or Chuehoe on

account of any such claim or notice. Furthermore, the buyer

afreos, uithin 1o davs of the receipt of such written notice

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tn full and faithful performance of this clause.

10- In addition to tne contract ori;e hereinbefore set out,

J.

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giho?ac*ur'r 1(alizes that it ;s not a
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Certain cnaracteristics have been emphasized, oecause these

s em most essential to tLe suc ess of the item and whicr do

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most convincingly distinguisn the pre

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the most des'rable.

”ost Reduction

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one .af to increase profits is to recrease cost. inis

is a direct and lsfitimate angeal, provided that nothing de-
sirable is sacrificed, and an irresistiole aogeal of other
features are inorovsd.

The fillins station pump housings were all originally

treas-

(0

cast iron and struct 11°31 snap-es which today nave been

3
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lined and ":ressed rrom Ketal Instea* . As a general ‘le,
upon the learner :.-:iz..3d unii_,s, t: e restriction in cost was 1;" di-
rect pronortiwn to the ed ation in wcijkt, i. C. Should the
we fit Oi a part fornezly cast iron be reduced 605 by the

use of pressed metal, the cost reduction would nominally be
Bresse~ metal offers azditioral savings 0y eliminating
scrao waste. Occasionally oiles of sucn castin
topgle, and several units were sure to es orohen. Easier as-
senbling and handlinf results; wnile freight costs ar Freet-

ly reduced.

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House-hold ah. ances have undergone a similar cnange,

in that gas and electric rannes formerly with cast lefs, and

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Pan; S, and tanels, at": 110.! all g?"‘r:8:':ti netal. A COI.i;.lal"lSO

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Wnen this field was first entered, ran about as follows:

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into 5;;ape, 1¢an scanetfzn C solCEiwr. into : 'tub, OI'memiiaet-
urcd in a Siailar fashion, .0033 MG have the one—piece C(6U

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ine electric ggircnoic icfii_erator nus l,r.,..,,1uflqt state tie

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How to Cut Costs and Improve One's Product
ERLooED LETALo SAY;
Costly machining.

Excessive weifnt eliminated b; nressed metals.

(a) Reduces weight, cut: sniopinfi an? shop
handling costs.

(b) General cost reduction usually runs in
direct prOportion to the reduction in

weignt.

smoother surface for painting or enameling.
(a) Enameled parts are clearer WLite, uniform
in color, and gatcn other steel parts in

the asse bly.

(b) Improves the quality and agpearance.

Added strength eliminates breakage.

Usually eliminates

(”N

;rindin , tumbling, and

sand blasting.

H
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are uniform ard accurate

in size.

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)-.

"I 'n' 'I.’

-.sa-a— M‘s-tint

“7“

 

 

 

 

 

 

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