5013208
HEAT TREAT
SEE NOTE 2
08/31/2010
R Benson
THIRD ANGLE PROJECTION
DIM & TOL IAW ASME Y14.5 - 1994.
―
ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF
ENGRG
DRAWN
MODELED
IS PROHIBITED.
SHEET 1 of 1
WEIGHT: 0.01 LBSCALE: 2:1
X
MUSIC WIRE, STEEL, ASTM A228
Benson Consulting, LLP
Benson Consulting, LLP.
1st MADE FOR: M1911-A1 REDUX
MAINSPRING
B
08/23/2010 R Benson
DO NOT SCALE DRAWING
THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE AND INTELLECTUAL PROPERTY OF
1-704-860-1202
Benson Consulting, LLP
REV
DWG NO
SIZE
TITLE
FINISH
MATERIAL
DATEBY
QA
MFG
••
rhbenson@earthlink.net Gastonia, NC 28054
UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN INCHES.
TOLERANCE: ANGULAR .5 ,
2 PL .01, 3 PL .005, 4 PL .0005,
SYMM & CONC: 1/2 FEATURE TOL.
FAB FINISH: 125 MICROINCH.
BRK/FIL SHARP COR .005 MAX.
MODEL IS SHOWN COMPRESSED FOR ASSEMBLY
CRIMP BOTH END COILS TO ...................................... .160 +.008 -.000 ID
STRESS RELIEVE AT 450
*EXCEPT FOR CRIMPED ENDS: CHECK AT A STAGE OF MANUFACTURE
OR BY CUTTING OFF CRIMP IN SAMPLE.
F FOR 202.
SOLID LENGTH ............................................................. .968 MAX
TYPE OF ENDS ............................................................. CLOSED, SQUARED & GROUND
SPRING RATE ............................................................... (27.69 LB/INCH)
MINUTES AFTER FORMING.
ROD DIA OVER WHICH SPRING SLIDES FREELY .... .174 MAX*
2.0 LB
DIAMETER OF WIRE ..................................................... .045
DIAMETER OF COIL (OD) ............................................. .273 +.000 -.003
FREE LENGTH ............................................................. (2.156)
ACTIVE COILS ............................................................... 19.5
TOTAL COILS ................................................................ 21.5
DIRECTION OF HELIX ................................................... CCW
LOAD AT COMPRESSED LENGTH OF ........................ 1.312 = 22.0 2.0 LB
LOAD AT COMPRESSED LENGTH OF ........................ 1.062 = 29.5
NOTES:
MANUFACTURE IAW TYPE 1, GRADE A, 1.
OF SAE AS 13572.
REVISION HISTORY
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