Description of Manufacture Case, Cartridge, 37mm, M16 and M17

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DESCRIPTION OF MANUFACTURE GASE, CARTRIDGE, 37MM. MI6 & MI7

OFFICE OF

THE CHIEF OF ORDNANCE U.S. ARMY MAY 1, 1940

The is

based

57 mm.

upon

and

M16

The preparation facturers

an

of

information the

contained

practice

used

by

herein that

has

been

arsenal

prepared

inthe

at

Frankford

manufacture

of

Arsenal

Cases,

and

Cartridge

M17. information plans

showing

a

for

has the

possible

been

compiled

war-time method

for

use

as

4 guide

production

of

this

procedure

in

the

of

in

item, event

connection

and of

as

an

actual

aid

with to

the

manu-

production

in

emergency. The

cepts

no

processes,

SUBMITTED

Ordnance

responsibility

or

such

either

operations

BY:

in

as

in

furnishing

connection

may

be

the

with

covered

the

by

information use

live

of

contained

recommended

herein,

features

acand

patents.

APPROVED:

W. P. BOATWRIGHT Colonel, Ord. Dept. Commanding Officer Frankford

Department,

Arsenal

C, T. HARRIS, JR. Brigadier General Assistant to the Chief Chief

of

Industrial

of

Service

Ordnance

PRELIMINARY DATE

5-1-40

PLANT | ADDRESS | Plant Hours per Month Gage Design Hours Available — Tool Design Hours Available Toolmaker Hours Available Gagemaker Hours Available —

Present Capacity per Month Production Assigned per Month Deliveries start in

SURVEY

COVER

Revision

Sheet

ITEM, SUB Certridse, &

HL?

of

SHEET

sheets

ASSEMBLY or COMPONENT Case, 57 mm. i116 Drawings 771-2-96 &71-2-100

Based on Production of

perMonth

Tool | Design Hours Required Gage Design Hours Required

eo

Toolmaker Hours Required(lset) 4000 Toolmaker Hours Req'd. (Prod. __per month) _ Gagemaker Hours Required (1 set) _ 1000 Gagemaker Hours Req’d (Prod.

permonth)

,

— =>

Basis — 10 hrs. per day —25 Days EQUIPMENT

SHORTAGES

ARSENAL

REMARKS

Toolmaker Hours listed above do not include the time required in the manufacture of raw or semi-finished materials such as bar stock, forgings and castings. Gages mentioned herein are working gages only. Toolmaker and special tools

gagemaker hours include only and gages. Standard tools

and gages which specializing in

cluded,

gages,

such snap

as

may be procured from firms certain types are not in-

drills,

gages,

plug

taps,

gages,

dies,

thread

etc.

Estimated number of government inspectors required for production of 1,250,000 Cases per month 66.

GENERAL

In

addition

specifications

be

checked

ing

should

enable

dates

In larly

fully

From in due

each

the

all

a

press and

the

proper

the

furnace

over

oxide

method

of

latest

the

the

revised

gages

contractor

case

is

in

contained

should

included

copy.

satisfactorily

and

a

which used

If

the

default

herein

in

be this

revision

of

provided

the

Description

dates

regular

pertaining

with

to

but

check,

If

revised

work

forcing described

order

the

metal

a mandrel in

draw-

the

re-

dimensions

care

produced

and

desirable economy

longer

obtain

each

taken

by

set

up

the

which

drawing

hold

the

as

well

as

may

is

a

certain

the

further

should

size

considerations

that

be

the

within

which

are

to

discussed

punch

and

die

checked

until

the

inspector

cups

are

certain cups

acquire

volatilization Pickling

the

inspection

properties,

necessary

cause

at

see

operation,

grain

is

to

percentage

physical

than

trouble

same

are

be

to

period

cause

there

should

after

period

prolonged

case,

particu-

of

in

the

limits should

the

not

desired zinc,

be

the sucanneal.

left

to

soak

size.

Un-

create

grain

containing

is

each

grain

also

care-

sufficient.

before

after

Recommended

sheets

be

annealed

the

operation.

should

are

undue

sizes

and

sketch

of

necessary

to

necessary

and

the

operation. In

of

should

this

drawing.

the

a set

mind.

up,

pieces

would to

set

in

functioning,

of a

cartridge

bear

Cupping is

for

this

to is

all

It

soaking

the

tools

of

personnel

standpoint

(3) cold

proceed

craw.

the

heavy the

to

After

ceeding

Drawing

manufacturer

centered

(2)

case.

Manufacture,

suit.

for

of

this

is

check,

When

assured

see

manufacture

important (1)

for

of

it

to

the

Description

that

not

changed

be

to

a

do

this

drawings

carefully

should

vision

and

to

INFORMATION

this

to

eliminate surrounding

through

as

description.

expansion it

stated

of

the

either

by

on

drawing

the

primer

drilling or,

seat the

in

hole

using

the

service, smaller method

it than or

one

is is

similar

to

that

CASE,

CARTRIDGE,

37MM.

MI6

CASE, CARTRIDGE, 37MM. MI7

OPERATIONS: 37MM

CARTRIDGE

CASE

MI7

TABLE MANUFACTURE

DEPARTMENT

LIST

OF

EAE

TOS UE CUS SOU

OPERATIONS

CON TRAC TORTS

DRAWINGS

........ GSA

LIST

ts.

OF MACHINES

DRAWINGS

ORDNANCE

OF

See

mLNG 28 Gt ON

CONGR AV OCUR HESSD SOIR ROHR MIAN OUI

.........

besiit

et eae

Fat

agtts

0

=, er A

2.25

Be

ca, -p ee

ee eo

iow

Nicos

Sa

lo

OT

6

ew

dG

dG

CARTRIDGE,

ew

eee

mit on

oe

CASE,

oe oye)

SO

On

a

Cin

oO

oata

6

5

0

DEPARTMENT

s cobTe op

AMO

i

go

0

Ot

dao

Bo

ot

0

(Ge

INSPECTION

GAGES,

GAGE

ETC...

DRAWINGS

1...

.

2...

ee

ww

ATSDR og

aids. ee

eo

eae

Oo

Stee

iol

ree

Cert

Oars ee

ee

tw

ew

tw

poll ats: . Wate

Ck

Get

& M17

tw

L-com

SS

ee

M16

ellie Welediaree

uttee

CRS TOOLS,

37 MM.,

eee

IME

.

FIXTURES,

CONTENTS

EE a

ame

oe ike

een

em

mer

pees

sia

ee

ee

oe aos

s TIM B=96 71-2-100

ens

an Parege Leto

Se

TRB

2

ae

eee

te

tar

Maem

e e

tees ee

we

Page Pages kiem

Perens

cee ew

ee

| Page

7-imGie

8 9 to

12

13

Jocnc) ale

af 2 Yunis ee

FB FB FB

. SoevveOQOwwOwWwOrrrrre

ORDNANCE

OF

OF

11075 17187 17285

to incl.

52351 to 52353 incl. 52355 to 52359 incl. 52361 to 52363 incl. 21725 to 21727 incl. 111721 112908 10785 10786 10112-1 10112-2 10118-1 10118-2

incl.

LIST OF SPECIFICATIONS AMMUNITION, EXCEPT.

ARMS:

OISHS FOR ARTILLERY AMMUNITION | 57-17: IOGE CASES, BRASS, FOR ARTILLERY AMMUNITION | 50-G6-1 Set

METAL2, GENERAL SPECIFICATION FOR THE INSPECTIOWOFDO-M-18/ | $7-178 _| ZINC; SLAB GSPELTER)

loo-2 357 | 57-173

STANP WITH LETTERS AND FIGURES JR

HIGH AND .0/ DEEP7 CALIBER AND OESI6NA: re TION Safes dog pec SIZE & POSITION OF NUMBER: WOT MANDATORY.

=

74

aa

oe

Rah

ERS

aa

= —_ sopard

DIAMETER

PER INCH OF

* eer

aaw

ee

pipe

ft

dir (LY. WHEN A a

papaedten me wp

SRECIPKATIONS REFERRED TOIN THESE SPECIFICATIONS AND NOT LIFTED

L

LENGTH.

REON,

NOT

APPL

493-O/

a

eee

37 /N. Mt tants ane tawk Coomen Oe

y

+66-

STAMP WITH LETTERS AND FiauReS f

WIGH AND .0/ DELP LOT NUMBER

INITIALS

OR SYMBOL

aw

OF MANUFACTURER

4

knee

TEI

AND YEAR OF MANUFACTURE.

si lace

ap

ia en

ere

075-08

ECCENTRICITY BETWEEN

SEREBES

SiRPACE OF CASE ON THE (396OF INDICATOR AMET ER a Codd

TOBE Ac MUST FREELY

ENTER

THE

W-2-96A8

THIS CASE USED IN GUNS M3, M5,77 &T8.

1DGE GAGE CASE

oA gl eo : pa

CHAMBER

os

LLLLILLLLLALLLLLLLLLL ALLL

|

3 | x

re

Slt ea

Fi

eg kd

=

| ‘S874+07

Ae

ok

(4

L447

a,

pa A aa17, | area 2 | 96

revisions

3

2

VIS7777T7K

CASE, CARTRIDGE, 37MM M/I6é

;

8

eos

~

L AA A ee

UNDER REVISION DATE OF NOV.301938:

Seis,

|

S

=

at

SUPERSEDES OLD TRACING H1E-2*96

“ VR.

8y

Deg

Bic i

COO CG IN MORONG OTH PRIMER IN PLACE C-WEIGHT OF CASE, .93L8 APPROX.

SYMBOL

g¥

x2

W777

———

A

LermmmielOR one otrru.e., |

BStOL

Tatas 920402

GUN CHAMBER

Ise

NG Botton SCALE* 2:1

D

]

ORDNANCE

U.S.A

SIZE AND POSITION. OF MOMBERS PND LETTERS NOT MANDATORY.

257004 +079 4+004 = Y,

CAUSED

BY REAPING

i

Ray As |g Vy Io "

on ra

;

a

_—

3 “a

a

4

ASOD

APWRUNITION,

EXCEPT SMALL ARPIS APT,

GEN SPEC

FOR

:

‘ |

'

é

7 "METALS; GENERAL SPECIFICATION FOR INSPECTIONOF e-

|

te

3 3

2. 10 2INC,

as | 00-2-357

|

a

-

st

’

_

>

;

|

CASES,

| 5 COPPER, INCOTS

BRASS,

FOR ARTULERY

APUBIVITION

50-0-7/

]

4

CARTRIDGE

SLAB (SPELTER)

| ececeeeo ears

: | 57-173

g

! |

4

ne

x

|

|

50-de-/

THE SPECIFICATION NUMBERS SHOWN ARE BASIC NUMBERS ONLY. WHEN A SPECIFICATION 1/5 REVISED, A LETTER ($ AFFIXED 10 (TS BASIC SPECIFICATIONS FETEREED TOW THESE SPECIFICATIONS AND NOT LISTED MEREON, SHALL NOT APPL

i

|

os M00 -=005

ee 7

SPEC. nomger

£/57 OF SPECIFICATIONS

2 & 3 CARTRIDGE BRASS DISKS FOR ARTULERY AMMUNITION

|

DN

3

/

§ .

>

T

®

2.

3

NEED NOT BE REMOVED.

Sz78.

3 ‘

CURR

¢

z,

Y 2) =

8n

fe . rs pect

LAG

STAMP WITH LETTERS AND FIGURES # WIGH AND .O/ DEEP LOT NUMBER, INITIALS OR SYMBOL OF MANUFACTURER AND YEAR OF MANUFACTURE.

¥g

3

STAMP WITH LETTERS ANO FIGURES 22

HIGH AND .01 DEEP CALIBER AND OESIGNATION OF CARTRIDGE

{ ROUEN,

BORE 437

INEM

DAME

vy]

TE, MANOREL

SENN DIAPIETIER, FINNEN RENT AND TAREE

FINISH

DAN ON ORE: COACTER APPROX A 2 BACK.

————

-

PERCU

OF LCREIM.

$.86--/

_

+ 714-01

}

~

—--

-

75-02

+

A> ALLOWABLE ECCENTRICITY BETWEEN THE PRIIER nares AND OUTSIDE Sn

CARTRIDGE BRASS.

70 BE ACCEPTABLE, THE CARTRIDGE CASE PST FREELY ENTER THE CHAMBER CAGE.

CLLLLLALLL LLL LLL LLL,

a

a

THIS CASE USED IN MIAZ GUN.

VITTTT7

SUPERSEDES OLD TRACING 7IE-2-100 UNDER REVISION DATE OF JUNE 16,1939.

1004. 005 a

ae

~ 9.30402 GUN

—

725+0/

CASE, CARTRIDGE, 37 MM, M/7 “|

CHAMBER

DRG.

[s)

PERTAINS

I

TO

ORDNANCE DEPT. U S.A.

LIST OF OPERATIONS MANUFACTURE OF CASE, CARTRIDGE, 37 MM., M16 & M17

1 F.A. Drg.

a 1

OPERATION

i

APPROX

MACHINE

H.p.| ice

Cup

Straight Sided Press, Single Action, Single Crank, Single Geared, Tie Rod Frame, equipped with Dial Feed. 60 Ton Mid-Stroke Capacity. 10" Min. stroke

20

NUMBER

OF

|ESTIMATED

PROD.

MACH.

1 operator 1 helper

| PER...LO._HRs. 13,750

Anneal

&

Pickle

Batch Annealing Furnace with capacity for Basket

30"

x 52"

Washing

x 30"

2 men loperate

high.

& pickling

furnaces

Tanks.

3

4

lst

Draw

Anneal

&

Straight Sided Press, Single Action, Single Crank, Single Geared, Tie Rod Frame, equipped with dial feed. 60 Ton Mid-Stroke Capacity. 12" Min. stroke. .

Pickle

Batch Annealing Furnace with Capacity for Basket 30" x 52" x 30" high. Washing & Pickling Tanks.

20

ll operator 1. helper

71-2-100

JIGS, TOOLS

& GAGES

Operation Sketch Setup Sketch Punch Die Stripper Assembly Stripper Details Gage

F.

A.

FB FB FB FB FB FB FB FB

17187 17188 17189 17190 17191 17192 17193 17194

DRG.

&

12,500

Operation Sketch Setup Sketch Punch Die Stripper Assembly Stripper Details Pin

Same as Operation No. 2

&

16,000

4

i men do pickling shing from 4 furnaces

71-2-96

NAME

Pin 2

Nos.

FIXTURES,

OPERATORS | PER MACHINE PER

5-1-40

16,000

Gage

FB FB FB FB FB FB FB FB

17195 17196 17197 17198 17191 17192 17193 17199

NO.

LIST OF OPERATIONS MANUFACTURE OF CASE, CARTRIDGE, 37 MM., M16 & M17 = 5

; end

Anneal

&

—

Straight Sided Press, Single Action, Single Crank, Single Geared Tie Rod Frame, equipped 50 Ton with dial feed. Mid-Stroke Capacity.

Draw

14" Min.

6

NUMBER OF

Pickle

20

3rd

Draw

& Wash

lst

Trim

1 operator 1 helper

8,875

Straight Sided Press, Single Action, Single Crank, Single Geared, Tie Rod Frame, equipped with dial feed, 20 Ton Mid-Stroke Capacity.

#DG55

:

16,000

1 operator 1 helper

10,000

No.

20

1.5

Nos.

71-2-96

&

71-2-100

NAME

F. A. DRG. NO. FB FB FB FB FB FB

17200 17201 17202 17203 17191 17192

FB

17204

Operation Sketch Setup Sketch Punch Die Stripper Assembly Stripper Details

FB FB FB FB FB FB

17205 17206 17207 17208 17191 17193

Pin

FB

17210

FB FB

17211 17212

FB

17215

Operation Sketch Setup Sketch Punch Die Stripper Assembly Stripper Details Gage

FB 17193

2

or Equal

Special Automatic Cartridge Case Trimming

Machine. (V & O or Equal)

Same as Operation

5-1-40

FIXTURES, JIGS, TOOLS & GAGES

Pin

Batch Annealing Furnace with Capacity for Basket

(Ferracute

8

|ESTIMATED PROD.

PER MACH. | PER..LO.....HRS.

stroke.

30" x 52" x 30" high. Washing & Pickling Tanks.

7

Drg.

APPROX: | OPERATORS | PER MACHINE

MACHINE

OPERATION

2F.A.

1 operator 1 helper

16,750

Gage

Operation Sketch Setup Sketch

Cutter Length

Gage

FB 17209

FB 17213 FB 17214

LIST OF OPERATIONS MANUFACTURE OF CASE, CARTRIDGE, 37 MM., M16 & M17

3 FA. Drg.

—

OPERATION

NUMBER OF

a

9

Anneal

&

Pickle

Batch Annealing Furnace with Capacity for Basket

30"

x 52"

Washing

10

4th

Draw

& Wash

&

x 30"

#DG56

Same as Operation

énd

Trim

12

Head

&

Indent

15

71-2-100

F. A. DRG. NO.

16,000

2

1 operator} 1 helper

8,500

or Equal)

1.5

(V & O or Equal)

Knuckle Joint Heading Press, 400 Ton Capacity

with Dial Feed. (Ferracute E401

&

Tanks

Special Automatic Cartridge Case Trimming

Vachine.

71-2-96

NAME

Operation Sketch Setup Sketch Punch Die Stripper Assembly Stripper Details

FB FB FB FB FB FB

17216 17217 17218 17219 17191 17220

Operation Sketch Setup Sketch

FB FB

17223 17211

Cutter Length

FB FB

17213 17224

FB FB

17225 17226

FB FB FB

17229 17230 17231

FB

17232

FB

17233

FB

17234

Pin

11

Nos.

FIXTURES. JIGS, TOOLS & GAGES

PER MACH. | PER....LO._HRs.

No.

high.

Pickling

Straight Sided Press, Single Action, Single Crank, Single Geared, Tie Rod Frame, equipped with Dial Feed, 12.5 Ton Mid-Stroke Capacity.

(Ferracute

|ESTIMA

TED PROD. APPROX: | operators | PER MACHIN E

MACHINE

5-1-40

or Equal)

1 operaton 1 helper

16,750

FB FB

Gage

FB

20

1 operatoy 1 helper

8,500

Gage

Operation Sketch Setup Sketch

Heading Heading

Die Post

&

Bolt

Heading Post Nose Bumpers Rough Dia. Flange Gage Rough Thickness Head Gage Assembly Rough Thickness Head Gage Details

17221 17222

17212

FB 17227 FB 17228

LIST OF OPERATIONS MANUFACTURE OF CASE, CARTRIDGE, 37 MM., M16 & M17

OPERATION

OPER. NO. 13

Pierce

Primer

Hole

Special Punch Press Single Action, Dial

(Zeh

13A

| (Alternate Drill

Method)

Primer

NUMBER

Hole

& Hahneman

Single

Spindle

OF

|ESTIMATED

Drg.

Mi 3

ai

10,000

Drill

Die

2

& 71-2-100

& GAGES

F. A. DRG. NO.

Operation Sketch Setup Sketch

Punch

or Equal)

71-2-96

NAME

PER MACH. | PER...LO.....HRS.

Feed

Nos.

FIXTURES, JIGS, TOOLS

PROD.

APPROX: | OPERATORS | PER MACHINE

MACHINE.

5-1-40

4 F.A.

& Holder

6,250

operator iO helpers

10,000

Sketch Rack

1 operator nN helper

10,000

Operation Sketch Setup Sketch

17235 17236

FB FB

17238 17239

|FB FB FB

17240 17241 17243

FB FB FB FB FB

17244 17245 17246 17247 17248

FB 17237

Details

1

FB FB

Press, Box Colum, #2 Morse Taper, Max. Distance

Spindle to Table 13" (Allen or Equal), equip-

ped with Double Spindle Drill Head, made by U. S. Drill Head Co. Cincinnati Cleveland Serial #11171. Universal Jig Company.

14

Anneal for and Wash

15

lst

Taper

Taper

Liquid Annealing Furnace, equipped with Pyrometers FB 17240. Washing Tanks

Inclinable Press, Single (Action, Single Geared, equipped with Dial Feed. (Ferracute #CG24 or Equal)

5

of

Die Knockout

Annealing

Rod

Furnace

to incl.

LIST OF OPERATIONS MANUFACTURE OF CASE, CARTRIDGE, 37 MM., M16 & M17

5 FLA. Drg.

OPER:

OPERATION

NO.

16

end

Taper

approx,

MACHINE

Hp

at

Inclinable Press, Single Action, Single Geared, Equipped with Dial Feed

(Ferracute

#CG24

or

5

| NUMBER

OF

|ESTIMATED

PROD.

PER MACH. | PER 10°... HRS. 13,750

£qual)

Finish Head,

primer

hole

|Special Automatic

trim

ridge

(M16)

&

final

lathe

1.970"

chuck capacity. (Coulter or equal)

Cartdia.

71-2-96

NAME Operation Sketch Setup Sketch

12.5

1

2,750

.

71-2-100

& GAGES

FB FB FB

17249 17245 17246

FB FB

17251 17252

FB

Gage

Operation Sketch Setup

Form Step

&

F. A. DRG. NO.

Die Knockout Rod Inside Dia. Mouth

17

Nos.

FIXTURES, JIGS, TOOLS

| OPERATORS | PER MACHINE

1 operator 1 helper

5-1-40

17250

FB 17253

Sketch

FB

Tool Reamer

FB FB

17254

17255 17256

Trimming Tool Facing Tool Collet

FB FB FB

17257 17258 17259

Stop

FB

17260

GAGES Inside Dia. at Mouth Dia. under Flange Dia. of Flange Thickness of Flange

FB FB FB FB

17252 17261 17262 17263

FB

17266

Thickness Thickness

of Head of Head

(Assembly) (Details

Dia. of Primer Hole Dia. of Primer Hole C'Bore. Length of Primer Hole Boss Depth of Primer Hole C'Bore. Concentricity of Primer Hole

and

1.97"

dia.

(Assembly)

Concentricity of Primer Hole and 1.97" dia. (Details) Total

length

|FB 17264 FB 17265

FB FB FB FB

17267 17268 17269 17270

FB

17271

FB

17272

FB

17273

FB

17274

LIST OF OPERATIONS MANUFACTURE OF CASE, CARTRIDGE, 37 MM., M16 & M17

NO.I. 17A

OPERATION | Finish Head, Hole & Final (M17)

Primer Trim

MACHINE |Special Automatic Cartridge Lathe (Coulter or Equal )

NUMBER OF

Drg.

|ESTIMATED PROD.

12.5

Nos.

PER MACH. | PER..1O.._HRs. z

2,750

71-2-96

& 71-2-100

FIXTURES, JIGS, TOOLS & GAGES

APPROX: | operators | PER MACHINE a

5-1-40

6 F.A.

NAME

F. A. DRG. NO.

Operation Sketch Setup Sketch Form Tool Step Reamer Trimming Tool Facing Tool Collet Stop

FB FB FB FB FB FB FB FB

17275 17254 17276 17256 17257 17258 17259 17260

GAGES Inside Dia. at Mouth Dia. Under Flange Lia. Flange Thickness Flange Dia. Extractor Groove Width Extractor Groove

FB FB FB FB FB FB

17252 17261 17277 17263 17278 17279

FB FB FB FB FB FB

17265 17266 17267 17268 17269 17270

FB

17271

FB FB FB

17272 17273 17274

FB FB FB

17240 17241 17243

Thickness

Head

Gage

Thickness

Head

Gage

omeep Details)

Dia. Primer Hole Dia. Primer Hole C'Bore. Length Primer Hole ,Boss Depth Primer Hole C'Bore Concentricity Primer Hole 1.97" Dia. Assembly Concentricity Primer Hole 1.97" Dia. Details Total

18

Final Mouth and Wash

Anneal

Liquid Annealing Furnace equipped with Pyrometers FB 17240. Washing Tanks.

1 operator 5 helpers

10,000

Sketch Rack

Length

of

Annealing

Furnace

) FB

17264

& &

to incl

LIST OF OPERATIONS ° MANUFACTURE OF CASE, CARTRIDGE, 37 MM., M16 & M17

7 FAA. Drg.

OPER NO.

OPERATION

:

19

Low Temperature Stresq Relief Treatment

cycle

Combustion

Equal).

Inspection

21

Stamp

&

Pack

.

Continuous Air heated drawing furnace, one

hour

20

APPROX H.p. |

MACHINE

NUMBER OF OPERATORS

1

(Surface

Corp.

Nos.

&

71-2-100

FIXTURES, JIGS, TOOLS

& GAGES -

NAME

71-2-96

F. A. DRG. NO.

To suit production

or

Bench

Stamping Machine Dial Feed. (noble & Westbrook

or Equal)

|ESTIMATED PROD. PER MACHINE

PER MACH. | PER..10.._ HRS.

5-1-40

To suit production

75

2

8,500

Operation Sketch Setup Sketch

Post,

Stamping

Die, Stamping Holder Shank

FB FB

17280 17281

FB FB FB

17283 17284 17285

FB 17282

BILL

OF

MATERIAL

8 F.A

MANUFACTURE OF CASE, CARTRIDGE, 37 MM., M16 & M17 3

1

2

NAME OF PART

DRAWING

|PIECE MARK

Case, Cartridge | 71-2-96 71-2-100

NUMBER

4

5

NUMBER

PER

NO. CASE

MATERIAL

71-2-96A | 71-2-100A

1 1

|Disc, Cartridge Brass

6 SPEC.

| 57-173

5-1-40

9 8 7 AVERAGE COMMERCIAL FORM OF AMOUNT OF “AMOUNT -| AND A MATERIAL MATERIAL PER |or MATERIAL IMATE SIZE IN THE PER CASE IN [100,000 CASES INROUGH THE ROUGH — |cLUDING 3% SPOILAGE | Disc 3.360"+.008 Dia| 1.225 lbs. -410+.008

Thick

| 126,175 lbs.

CONTRACTOR'S

DISCS:-

It cartridge is

discs

to

OF

is

that

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will

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or

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disc time

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measurement

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the

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in

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and

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it

check

Shipment

attention

Discs

those

plant

factory.

Special

thickness.

while

at

brass

dimensions.

the

head,

and.

verifies

of

F.A.

& M17

of paid

thin

thickness

are var-

visually

for

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seams,

foreign

matter,

or

metal.

the

important

check

the

been

inspected

is

test

been

have

M16

cups.

are in

discs

actual

sufficient

discs

37 MM.,

if

and

9

CARTRIDGE,

contractor's

shop

the

or

It

Should

OPERATIONS: -

the

defects

other

the

have

the

eccentric

cause

Brinell

to

in

provide

All

wise

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however,

thickness

to

the

the

received

apt

CASE,

manufacturer,

that

this,

the

any

assumed

brass

assumed

against

MANUFACTURE

INSPECTION

that

the

likely

in

two

examination

discs to

the

have

develop

brass

out of

parts

in

properly

the

drawing

manufacturer's

every

and

should

been

lot

the

of

test

be made

of

brass

taken the

annealed

after

operation. the

by

Brinell

upon discs

the

contractor's

cross

selected

other-

Notwithstanding

plant, the

rolling,

Test.

inspector

For

section.

for

this

the

this

test

From

time

test.

Drawing

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much cracks,

cupping scale

and

after

seams,

each

drawing

annealing

scratches

or

as any

operation, possible, other

also defects

the to in

case

is

permit the

a

washed

in

quick

visual

metal.

Cases

order

in

to

examwhich

CONTRACTOR'S

INSPECTION

10

F.A.

5-1-40

(Continued ) MANUFACTURE OPERATIONS:Continued

defects

appear

in

subsequent

ed

and

the

are

scratches

the the

constrained die.

The

in

The

wear

the

(b)

of

of

noses

from the

all

when

a new

the

new

and

replating.

dies

are

checked

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cups

heading

certain

of

is

the

slower

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on

punches

when

they

checking

the

punches

or

die

should

press

be

is

the

the

used

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until

to

at

the

they

should

have

metal

piece

not

has

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made

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for should

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wear

be

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thickness.

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corrected

once

wall

the

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where

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and

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or

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after

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be

dies. use

in

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variation

Templates

time

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or

gage

place

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takes

dies.

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pin

operations

within

gages

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punch

for

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variable

be

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gaged

spring

upon

punch

with

are

and

amount

operation

is

can

polishing

dimensions

punches

defect

observed,

drawing,

each

the

& M17

are

limits.

a

placing

unless

M16

scratches

by

the

37 MM.,

in

inspector

wall

thickness

is assured

of

of

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every

correct

setup.

Heading At

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die,

inspector

coming

working

removed

for

Whenever

case

scrapped

specified

the

CARTRIDGE,

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the

checking by

in

on

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ed

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CASE,

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From

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at

OF

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case.

beginning after

of being

the

contract

headed

in

and

from

time

order

to

verify

to

time

during

correctness

of

production, the

cavity

cases of

the

CONTRACTOR'S

INSPECTION

ll

(Continued ) MANUFACTURE OPERATIONS:Continued

(c)

Taper

(d)

and

gaged

One ed

so

as_

to

with

mediately ones

the

taper

for

Finish Machine

cases

CASE,

CARTRIDGE,

37 MM.,

M16

5-1-40

& M17

Draw After

folds,

OF

F.A.

draw,

the

all

inside

Head

and checks

keep

percentage

the

tolerances

stopped

whichever

and

the

work of

beyond

the

adjustments

are

visually

examined

for

scratches,

seams

and

mouth.

from

four

rejects gage

machines

to

a minimum.

limits

made

or

immediately

the

dull

If

machine

tools

the

itis

inspector

which

are

after

produced

replaced

with

machin-

finds them

newly

any is

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ground

be.

may

case

the

are at

Trim

inspector

the

cases

diameter

(e) Annealing A periodic

check

annealing

temperatures

length

of

time.

Should

be

checked

are

After for

is made

of

correct

and

each

the

furnace

that

annealing

the

controls cases

operation

are

at

in order being

least

one

to

assure

annealed cup

for

out

of

that

all

the

proper

every

25,000

size.

grain

(f) Stamping The reference

covered GENERAL INSPECTION:

to

by

contractor's the

are

dirt

or

number.

instructions

After They

lot

the

carefully

other

inspector

which

final

in

the

the

stamping

size

of

lots

he should

be

furnished

washing,

examined

defects

The

verifies

all

visually,

metal.

cases both

The

and

pass inside

sharp

the

of

before

corners

out,

and

case

assignment

by the

and

each

of

Government the for

burrs

with lot

must

numbers

are

Inspector.

contractor's dents,

particular

cracks,

be

inspector. scratches,

removed.

CONTRACTOR'S INSPECTION (Continued) MANUFACTURE GENERAL INSPECTION: Continued

At

the

beginning

first

fifty

test,

production

cases

Five 1%

solution

pear

in

the

from

sile

and

are

the

for

as

machine from

twenty

the

seven

& M17

contractor's

cases

for

inspector

test.

are

completely Upon

examination

after

for

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and

the

periodically

are

shown

of

the

samples.

immersed

must

be

checks

for design

are

to

the

tensile These,

test,

are

for

a

selects,

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period this

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of

from

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of

the

results

thirty

test,

proceed

wear limit

to

on

the

gages

gages).

strength together

are

this

by

Each

(See

with to

no

minutes

cracks

are

test.

Five

sample

is

ina

must

ap-

samples

are

placed

Specifications

the

the

forwarded

test

with

tensile

50-46-1.

submitted

cases of

furnished

submitted

of

for

results

contractor discs

Specifications

remaining

the

the

in

tested

the If

used

and

immersion

test.

thereof

11175

contract

M16

nitrate.

cases

case,

twenty

firing

If

FB

cases

the

made

authorizes

Sis

the

mercurous

factory,

the

37 MM.,

suspended.

mercurous

of

each

pulling

graphs

of

CARTRIDGE,

5-1-40

case.

Two cut

CASE,

completed, is

of

of

OF

12 F.A.

results

Government to

the

of

the

tensile

Inspector.

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a

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Government

satisfactory,

in

test,

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Proving

Ground

Government

inspector

production.

the

contractor,

Government

a

report

Inspector.

by comparison

with

limit

The

of

the

chemical

contractor's

check

gages

analy-

inspector

(See

Drawing

GOVERNMENT

MANUFACTURE

witnesses

The

Government

all

tests

He material

or

operation

carried

should

pass

incorrect

to

see

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the

to

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are

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the

Government

cleanliness

and

cases

the

size

In and

a lot

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once

of lots

the

size

contractor,

of

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compose a new

contract

of

lot

number

finished inspector.

then

gaged

with

check

cases

be

is

Specifications

up

on

all

57-173

and

operations,

His

representative

and

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he

must

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governed

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manufactured. the

and

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it

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5-1-40

M16 & M17

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He

should

reporting

witness

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any

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stamping

stamped.

of finished

assembling finished

familiar

contractor.

correctly

the

13 F.A.

37 MM.,

inspector.

periodically

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CARTRIDGE,

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determining

contractors

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particular

to

of

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in

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be

out by the

through

numbers.

ammunition

general,

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inspector

OF CASE,

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with

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by a dash

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and

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of

cases.

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If

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point as

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view

possible.

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material

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number

of

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lot

of

of

; cases They

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Government

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DATE

|9-30-39

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DATE SEPT. 30, 1939.

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NO.

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SEPT. 30,

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1939

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CARTRIDGE

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CASE, CARTRIDGE 37MM. MI7 INSPECTION

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FLUSH PIN PROG. PLUG ADJ. SNAP | IPER-

TAPER PLUG D.E. PLAIN PLUG

PIN

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ALIGNM'T. PLUG |D IO1I8-1

CHAMBER

TYPE

CASE, CARTRIDGE 37MM. M56, INSPECTION

LIST For;

DEPTH PRI. HOLE C BORE. INSIDE DIA. AT MOUTH THICK. WALL AT MOUTH THICK. WALL .O55 CONG. PRIMER HOLE TOTAL LENGTH

DIA. PRIMER HOLE

OPER. NO.

GAGE

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LIMIT CHECK

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REVISIONS

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FLUSH PIN TO BE FLUSH WITH STEPS

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