Section A 25-26

Chipbreaker and Grade Selection Guide for Turning Steel

Steel

Grades

● Fine Cutting to Finishing (Cermet)

● Finishing to Roughing (Coated Carbide)

High-speed Turning AC8015P

1400

1400

AC8020P High-efciency General-purpose Turning

High-speed Turning T1000A

T1500Z High-speed to General-purpose Turning

T2500Z General-purpose to Interrupted Turning

1050

1050

A

General-purpose Turning T1500A

General-purpose Turning AC8025P

700

700

Interrupted to Heavy Interrupted Cutting AC8035P

Continuous/Light Turning AC6030M For Small Lathes AC1030U

Interrupted to Heavy Interrupted Turning AC8035P

350

350

0

0

Finishing

Roughing

Fine Finishing

Finishing

Partially Interrupted

Interrupted

Continuous

Partially Interrupted

Interrupted

Continuous

Main Chipbreakers

Negative Type

Positive Type

EMU Type

EMU Type

EGU Type

EMU type

.240

.120

EME Type

EME Type EMU Type

ESU Type

ESU type

EGE Type (Emphasis on crater wear resistance)

.160

.080

ELB Type

EGU Type (Sharper Edge)

EGU type

EGE Type EGU Type

ELB type

ESE Type ESU Type

ELU Type

.080

.040

ELU type

ESU Type

EFB type

EFE Type

EFB Type

ESE Type

0

.024

.008

.016

0

.008

.016

Feed Rate f (IPR)

Feed Rate f (IPR)

EFE Type

Sub-Chipbreakers

Chipbreakers for High-efciency Machining

Negative Type

Strong Cutting Edge Chipbreakers

6

.120

EME Type

EMX Type

4

.080

EUX Type

EGE Type

ESE Type

2

.040

ESX Type

EFE Type

0 .008

Feed Rate f (IPR) .016

.024 .032

0

.008

.016

.024

Feed Rate f (IPR)

Chipbreakers for Shallow Depth of Cut

Wiper Insert

Chipbreakers for Heavy Cutting

.600

.170

.024

EHW Type

EHF Type

.400

.080

.160

EGUW Type

ELU Type

EFB Type

.200

.040

.080

EFL Type /

ESEW Type

EHU Type

EFA Type

EFE Type

ELUW Type

EHP / EHG Type

ENP Type

0

.008 .016 .024

0

.012 .024 .036

.060

0 .015 .030 .045

A10

Feed Rate f (IPR)

Feed Rate f (IPR)

Feed Rate f (IPR)

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