SUMITOMO

Page 19

Hardened Steel

Turning Insert Selection Guide

Insert Selection

Chipbreakers NSV Type Chipbreaker: For chip control during carburized layer removal NLV Type / NFV Type Chipbreaker: For chip control during finishing of hardened steel 7,0 – 6,0 –

NSV

Depth of Cut (mm)

5,0 –

NSV

4,0 –

NLV

3,0 –

NLV

2,0 – 1,0 –

NFV

NFV

0 l l l 0 0,1 0,2 0,3 Feed Rate (mm/rev)

Grades Coated SUMIBORON

Uncoated SUMIBORON

(m/min)

High-Precision Machining 200

300

BNC100 BNC160

BNC2010

BN1000 Cutting Speed (vc)

Cutting Speed (vc)

300

(m/min)

BNC200

General Purpose Cutting

100

BNC2020

BNC300

AC503U

0

Finishing

Roughing

Continuous Cutting

General Cutting

Interrupted Cutting

General Purpose Cutting

100

BN2000

Continuous Cutting

General Turning

Interrupted Cutting

A14

BN350

0

Finishing

Roughing

Continuous Cutting

Recommended Cutting Conditions Cutting Process

BNX20 BNX25

200

General Cutting

Interrupted Cutting

(Min. - Optimum - Max.)

Grade

Depth of Cut (mm)

Feed Rate (mm/rev)

Cutting Speed (m/min)

BNC2010

0,03–0,20–0,35

0,03–0,10–0,20

120–200–300

BNC100

0,03–0,20–0,30

0,03–0,10–0,20

120–200–300

BN1000

0,03–0,15–0,20

0,03–0,10–0,15

100–150–300

BNX10

0,03–0,10–0,20

0,03–0,10–0,15

120–180–300

AC503U

0,03–0,50–1,00

0,02–0,05–0,10

40–70–100

BNC2020

0,03–0,30–0,50

0,03–0,20–0,40

50–130–220

BNC160

0,03–0,20–0,35

0,03–0,10–0,25

120–180–220

BNC200

0,03–0,30–0,50

0,03–0,10–0,30

50–130–220

BN2000

0,03–0,20–0,30

0,03–0,10–0,20

50–100–200

BNX20

0,03–0,20–0,35

0,03–0,15–0,30

70–130–170

BNC300

0,03–0,20–0,30

0,03–0,10–0,20

50–100–150

BN350

0,03–0,20–0,30

0,03–0,10–0,20

50–100–150

BNX25

0,03–0,20–0,50

0,03–0,15–0,30

120–160–220


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