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EXAMPLES OF LIFETIME IMPROVEMENTS
Many companies have used cryogenic treatment to improve metal part lifetimes, and several examples are listed in the following table.
A – Louisiana Army Ammunition Plant, Sperry Rand Corp., Minden, La.
B – Hawthorned Metals, Detroit, Michigan
C – S.K. Wellman Div., Abex Corp., Bedford, Ohio
D – Detroit Area Manufacturing Div., Chrysler Corp., Detroit, Michigan
E – De Vlieg Machine Co., Detroit, Michigan
F – Boise Cascade Composite Can Div., Hazelwood, Missouri
|
ITEM |
COMPANY |
AVG. LIFE BEFORE TREATMENT |
AVG. LIFE AFTER TREATMENT |
RATIO |
|
2-inch end mills used to cut C-1065 steel |
A |
65 parts |
200 parts |
3.07 |
|
Hack-saw blades used to cut boss on M107 shell |
A |
4 hours |
6 hours |
1.50 |
|
Zone punches used on shell casings |
A |
64 shells |
5820 shells |
82.5 |
|
Nosing thread dies used on M485 shells |
A |
225 shells |
487 shells |
2.12 |
|
Copper resistance weld tips |
B |
2 weeks |
6 weeks |
3.00 |
|
Progressive dies used in metal working |
B |
40,000 hits |
250,000 hits |
6.25 |
|
Blanking of heat treated 4140 and 1095 steel |
C |
1000 pieces |
2000 pieces |
2.00 |
|
Broach used on a C1020 steel torque tube yoke |
D |
1810 parts |
8602 parts |
4.75 |
|
Broaching operation on forged connecting rods |
D |
1500 parts |
8600 parts |
5.73 |
|
Milling T-nuts from C1018 steel with M-2 cutters |
E |
3 bars |
14 bars |
4.67 |
|
AMT-38 cut-off blades |
F |
60 hours |
928 hours |
15.4 |
Dr. Randall F. Barron, Department of Mechanical Engineering, Louisiana Tech University, “Yes, Cryogenic Treatments Can Save You Money! Here’s Why”