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ISOTURN INSERTS Negative Chipformers USER GUIDE

0.3 M4MW Chipformer
13º 21º
Chipformer for heavy machining applications on stainless steel. The inserts
0.2 11° feature a very positive radial helical cutting edge and a positive rake angle.

3.3 TF Chipformer
Double-sided positive rake angles to prevent strain hardening. The rake angle varies
16° 0.47 along the edge to a negative angle which prevents chipping. Special design reduces
cratering. Used for carbon and alloy steel, stainless steel and high-temp alloys.
90°
M3M Chipformer
1.11 Double-sided insert for medium machining on stainless steel with a reinforced
0.07 cutting edge that prevents notch wear at tight radii to increase tool life.

5˚ VL Chipformer
16˚
High positive rake and a special edge preparation used for rough and finish turning on
24° high temperature alloys. Excellent performance on parts such as automotive valves.

21˚ 2.7 PP Chipformer
10˚
0.08 Double-sided, very positive rake, sharp- and positive radial edge for heat-
resistant alloys, stainless steel, aluminum alloys and soft, low carbon steel.
0.12 13.5°
A Chipformer

Flat inserts, used for short chipping materials such as cast iron.

EM-M Chipformer

Double-sided sharp cutting edge with a 16º positive rake angle
for machining high temperature alloys at ap<3 mm.

M3N Chipformer

Polished and extra sharp positive insert for machining aluminum
and non-ferrous materials for medium applications.

12 Chipformer

Single-sided for medium to rough machining on aluminum and soft materials.

R3P Chipformer

Chipbreaker for rough machining on steel with a positive rake angle and
reinforced cutting edge for better performance and longer tool life.

130 ISCAR