Page 48 - Tungaloy Catalog

Basic Chipbreakers Negative Inserts

Stainless Steel

Chipbreaker System for Turning (Positive Inserts)
.315
2 .276

.236
TAC Inserts Depth of cut: ap (in) .197 SF SS SM SH
.157
.118
.079
.039

0 .004 .008 .012 .016 .020 .024 .028 .031
Feed: f ipr

CVD coated grades PVD coated grades
650 650
T6120 650 AH725
650
Cutting speed: Vc (SFM) 500 T6130 Cutting speed: Vc (SFM) 500 AH120
AH630

GH330
330
330
AH645
160
160
0 .008 .016 .024 .031 0 .008 .016 .024 .031
Feed: f ipr Feed: f ipr

Chipbreaker Appearance Features Chipbreaker Appearance Features
3-dimensional chipbreaker with Provided with both free cutting
a large rake angle. Performs free action and excellent chip control.
SS cutting action and most suitable for SM Best suited for machining stainless
finishing of stainless steel and mild steels.
steel.

Chipbreaker Appearance Features Chipbreaker Appearance Features
General Purpose - Stainless steel Heavy roughing and interupted
finisher features excellent chip cuts.
SF control. SH

Standard Cutting Conditions

Chip- Depth of cut Feed Cutting speed vc (SFM)
Operation Work condition Grade
breaker ap (in) f ipr Stainless steels
AH120
Continuous AH630
Precision finishing Light interrupted SS AH645 .020 - .120 .003 - .008 300 - 500
T6120
T6130
GH330
Continuous AH630
Finishing Light interrupted SF T6120 .010 - .080 .002 - .008 300 - 550
T6130
AH630
Continuous AH645
Roughing Light interrupted SM AH725 .020 - .160 .008 - .020 300 - 660
Heavy interrupted T6120
T6130
Heavy Continuous AH630
Light interrupted
Roughing Heavy interrupted SH AH645 .080 - .240 .012 - .024 200 - 450
T6130
2–8 Grades Relating
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