DMR CRYOGENICS

Dry Ice Blasting and Cryogenic Tempering. LLC

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Reported Cost Improvements from Actual Use

 

 

Type of  Tool     

 

Material

 

Improvement

 

Tool Cost Savings

Stamp Die

D2

1000%

90%

Drills

M42, M7, C2

300%

67%

Woodcutting

HSS

500%

80%

Milling Cutter

M7

250%

60%

Milling

347 SS

375%

73%

Deburring

Inconel

400%

75%

Logging

Hi Nickel

400%

75%

Gear Cutter

TIN Coated

350%

71%

Broach

Carbide

300%

67%

Broach

Hi Nickel

250%

60%

Punch

M7

600%

83%

Dentist Tools

400 SS

500%

80%

End Mill

M42

450%

78%

Tap

C2 Carbide

600%

83%

Hob

M2, M7

300%

67%

Shredder

M7

400%

75%

Key Cutter

M2, M7

250%

60%

Chipper Knives

Carbide

500%

80%

Slicer

M7

600%

83%

Face Mill

C2 Carbide

400%

75%

Die

Hi Nickel

300%

67%

Electrode

Cu Alloy

600%

83%

Machining

Al Casting

-50% Time

NA

Corrosion

S7, M2, 4142, 316 SS

Varied Reduction

NA


The above results indicate an increase in part machineability, stress relirt stability, useful tool life, and a reduction in abrasive wear, corrosive wear, erosive wear, deflection and distortion.

 

Percentage Increase in Wear Resistance after Deep Cryogenic Tempering

 

 

Type of Steel

 

Description

Treated to -310F Temperature

CPM-10V

Alloy Steel

131%

C1020

Carbon Steel

98%

D2

High Carbon/Chromium Die

817%

H13

Chromium /Moly hot die

209%

430

Ferritic Stainless Steel

119%

440

Martensitic Stainless Steel

121%

303

Austenitic Stainless Steel

110%

S7

Silicon Tool Steel

503%

T2

Tungsten High Speed Steel

92%

M1

Molybdenum High Speed Steel

225%

P20

Mold Steel

130%

O1

Oil Hardening Cold Work Die

418%

A2

Chromium Cold Work Die

560%

8620

Nickel/Chromium/Moly Steel

104%

M2

Tungsten/Moly High Speed Steel

203%

A10

Graphite Tool Steel

264%

52100

Bearing Steel

420%

T1

Tungsten High Speed Steel

176%

A6

Manganese Air Cooled Die

97%

AQS

Graphitic Cast Iron

97%

 

Tests Performed at Louisiana Tech University