■ Steel

2 Ground Chipbreaker

Cutting Cutting B

Name Design Advantages Name Design Advantages

Range Range Large rake angle Good chip 1 and low cutting

control at 0.2

14° finishing to force. Narrow

A 17° chipbreaker

light machining width and with low cutting consistent chip

force. control. Good chip General purpose

control at 1.5 chipbreaker for

15°0.2medium machining.
Ffinishing to
light machiningB14°Good balance

with low cutting between chip force. control and sharp cutting. Applicable

Sharp cutting 2.2

14°0.2to high load
performance
Ymachining.

and good C °

14 Good chip surface finish. flow and less resistance.

Slant chipbreaker width and Sharp cutting 14° °

chip control at 3 performance

J H various ap. and small Applicable curled chips. to automatic

lathes.

  • Specification of A, B, C and parallel ground chipbreaker

Good chip control at low 30° W feed rate and

U 0.15~0.2

varied ap with R low cutting D force.

● Applicable Chipbreaker Range (ap indicates radius)Insert TypeSizeChipbreaker NameWαR
11A1.017°0.5
(mm)(Steel / Edge Length=08, 09)TPGR11,16 B1.514°0.5
216C2.214°1.0
(mm)(Steel / Edge Length=03)09Without Indication (Similar to B)1.514°0.5
& SPGR
0.5112Without Indication (Similar to C)2.214°1.0
(mmF / FSF
0
0.050.10.150.20.10.20.30.4
f (mm/rev)f (mm/rev)
(mm)(Steel)(mm) (Steel / Edge Length=11, 16)
(mm)(Steel / Edge Length=11)
(mm)(Steel / Edge Length=07)44
4
4
H( 11)
3U / USF 33H
3(16)
U / USF
22
22
JJ / JSFA B
C
1111
F / FSFF / FSF
0.10.20.30.40.10.20.30.40.10.20.30.40.10.20.30.4
f (mm/rev)f (mm/rev)f (mm/rev)f (mm/rev)