Introduction 


Steel (Molded chipbreaker)
Name Design Advantages Name Design Advantages
B
0.1 0.2
Finishing - Medium / up facing


• Improved chip 15°


Turning indexable inserts
curling at small 5°


Medium - Roughing

machining and high • General purpose
20°
feed rate machining chipbreaker
CJ 0.2 • Improved chip HS • Applicable to
0.2
evacuation at copying
15°
15° copying and up 5°
facing


• Stable machining
with good balance of


Medium - Roughing / High Feed Rate
0.28
edge sharpness and
strength
Medium - Roughing


0.08 21° • Low cutting force
• Prevent chip
5°15° at high feed
clogging at high feed
PG PT 0.36 machining
rate
• Land support
• Good chip control at
13° structure
low feed rate
• Stable machining
with wide chip
control range
Medium - Roughing / High Feed Rate


0.12 0.1
• Strong edge 20°
12° • Strong edge
Medium - Roughing


27° 8° chipbreaker 5° chipbreaker
• Stable for
• Wide land design
GS continuous GT
0.12 0.1 and smooth chip
machining and
control even at high
light interrupted 20°
27° 8°
12° feed rate machining
machining 5°


0.25
Standard (without indication)


15°

Medium - Roughing


• General purpose 0.25
chipbreaker • Low cutting force
Roughing


• More stable due 14° and applicable to
PS 5°
0.25 to large contact large ap roughing
15° surface



Applicable chipbreaker range (ap indicates radius)
(Steel / Edge Length = 12, 16) (Steel / Edge Length = 12) (Steel / Edge Length = 16)
5 5 10
Standard
4 GP 4 PG GT 8 PS (HS)
PS
3 CQ 3 (HS) 6
PQ
ap (mm)


ap (mm)
ap (mm)


CJ Standard
2 2 4
PP
1 1 GS 2
PT CQ
HQ
0.1 0.2 0.3 0.4 0.5 0.1 0.2 0.3 0.4 0.5 0.2 0.4 0.6 0.8 1.0
f (mm/rev) f (mm/rev) f (mm/rev)


B5