Page 66 - Tungaloy Catalog

Basic Chipbreakers Positive Inserts

Superalloys and titanium

Chipbr
Chipbreaker System for Turning (Positive Inserts)eaker System for Turning (Positive Inserts)
2 .315
.276
TH10 No chipbreaker
TH10
.236
TAC Inserts Depth of cut: ap (in) .197 W PSF AH725 AH725
.157
.118
.079
PM
.039 PSS AH725
0 .004 .008 .012 .016 .020 .024 .028 .031
Feed: f ipr

Ni-base alloys Titanium alloys
1300 1300

980
980
Cutting speed: Vc (SFM) 650 AH725 Cutting speed: Vc (SFM) 650 AH725

330
330
TH10

0 .008 TH10 .016 .024 .031 0 .008 .016 .024 .031
Feed: f ipr Feed: f ipr
Chipbreaker Appearance Features
Chipbreaker Appearance Features
Designed to control the direction of chip Excellent chip control in light cutting
flow and used for precision-finish boring. PSF conditions.
Wuu Provides excellent chip evacuation which
is important to attain a highly accurate
bore.
Can cover a wide range of applications PSS Low cutting force at medium depth of
No from finishing to roughing. cuts.
chip- Excels in cutting edge strength.
breaker
PM Great edge strength in high impact
applications.
Standard Cutting Conditions
Chip- Depth of cut Feed Cutting speed vc (SFM)
Operation Work condition Grade Hardened steels
breaker ap (in) f ipr Pre-hardened steels
Precision Continuous
finishing Light interrupted Wuu TH10 .002-.080 .001-.008 20-150 30-150
No
Finishing Continuous TH10 .002-.080 .002-.012 20-150 30-150
Light interrupted chipbreaker
Finishing Continuous PSF AH725 .005-.015 .002-.008 80-330 100-330
Light interrupted
Medium Continuous PSS AH725 .020-.060 .003-.008 80-330 100-330
Light interrupted
Heavy Continuous PM AH725 .025-.080 .004-.012 80-330 100-330
Light interrupted
Ni-base alloys: INCONEL718 etc.
Titanium alloys: Ti - 6Al - 4V etc.

2–26 Grades Relating
pages
(1-1)