Hard Materials

Chipbreaker System for Turning (Negative type)

7

6

5

4

3BXM10BX310
BXM20BX330
2BXA20BX360

T-CBN BX380 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7

Feed: f (mm/rev)

Coated T-CBN T-CBN

Coated T-CBN T-CBN 300 300

BX310 BXM10 BXM20 200 200

BX360 BX380 100 100 BXA20 BX330

ContinuousLightMediumHeavyContinuousLightMediumHeavy
interruptedinterruptedinterruptedinterruptedinterruptedinterrupted
ChipbreakerShapeFeatureChipbreaker
Excellent performance in fi nishing of
No
chip-hard material with CBN sintered body

breaker on the cutting edge. HF

(T-CBN)

HM

HP

Shape

Feature

Excellent chip control in removing carburized layer at small depth of cut.

Excellent chip control in removing carburized layer at large depth of cut.

Excellent chip control in precision fi nishing.

STANDARD CUTTING CONDITIONS

ISOOperationWork conditionChipbreakerGradeDepth of cut ap (mm)Feed f (mm/rev)Cutting speed Vc (m/min)
Precision finishingContinuous to light interruptedHPBXM10 BXA200.05 - 0.20.03 - 0.18150 - 350
FinishingContinuous to heavy interruptedWithoutBXM10 BXM20 BXA200.05 - 0.50.05 - 0.2570 - 220
Removing ofContinuousHFBXM200.2 - 0.750.05 - 0.270 - 200
carburized layerContinuousHMBXM20 BXA200.5 - 10.05 - 0.270 - 200

Hardened steels, Pre-hardened steels: SKD11, SKD61, etc. X153CrMoV12, X40CrMoV5-1, etc.