Page 46 - Tungaloy Catalog

Basic Chipbreakers Negative Inserts

Steel

Chipbreaker System for Turning (Negative Inserts)

2 .315 TH
.276
.236
TAC Inserts Depth of cut: ap (in) .197 TF TSF TM
.157
.118
.079
.039

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

CVD coated grades Coated cermets / Cermets
1640 1640
T9105 1300
1300
Cutting speed: Vc (SFM) 980 T9115 T9125 Cutting speed: Vc (SFM) 980 NS9530 GT9530

650
650
330
330
T9135
0 .008 .016 .024 .031 0 .008 .016 .024 .031
Feed: f ipr Feed: f ipr

Chipbreaker Appearance Features Chipbreaker Appearance Features
The sharp cutting edge and raised General purpose chipbreaker used for
projection near corner contribute to medium cutting.
TF excellent chip control at very small depths TM Unique chipbreaker geometry with sharp
of cut and low feeds.
edges and large rake angle assures free
Economical M-class tolerance and low cutting action in a wide range of cutting
cost. conditions.
First choice chipbreaker for finishing Double-sided 3-dimensional chipbreaker
steels. with a wide land and broad groove used
The dimple structure decreases the for medium to heavy cutting including
TSF contact area between the insert surface TH interruption and unfavorable surface
and chips,resulting in significant reduction
of heat occurrence. conditions.
Also performs well in high feed machining.
Standard Cutting Conditions
Chip- Depth of cut Feed Cutting speed vc (SFM)
Operation Work condition Grade
breaker ap (in) f ipr Low carbon steels, Medium carbon steels, High carbon steels,
Alloy steels Alloy steels Alloy steels
Continuous ~
Precision finishing Light interrupted TF NS9530 .002 -.020 .001 - .006 500 - 820 330 - 820 330 - 660
NS9530
Continuous ~ Light GT9530 500 - 980 260 - 820 260 - 660
Finishing interrupted TSF T9105 .008 - .060 .003 - .016
Heavy interrupted T9115 400 - 820 260 - 660 260 - 500
T9125
T9105
Continuous T9115 500 - 980 500 - 980 400 - 820
Medium cutting Light interrupted TM .040 - .200 .008 - .020 400 - 820 260 - 660 260 - 500
Heavy interrupted T9125 160 - 590 160 - 480 160 - 400
T9135
T9105
Medium to Continuous T9115 500 - 980 500 - 980 400 - 820
heavy Light interrupted TH .120 - .240 .012 - .024 400 - 820 260 - 660 260 - 500
cutting Heavy interrupted T9125 160 - 590 160 - 500 160 - 330
T9135
2–6 Grades Relating
pages
(1-1)