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Turning tools \ Technical introduction – CBN turning

Machining parameters for CBN cutting materials - ABC-25 / ABC-25B

Cutting edge design (negative chamfer)
V c: m/min R a (µm)
A B C D E F G H
350 0.1 µm

300 R a R a 0.2 µm
Cutting speed → → → 250 V c V c V c R a V c R a V c R a V R a 0.4 µm Surface quality → → →

0.8 µm
200
150
R a R a c V c V c 1.6 µm
100 3.2 µm
50 6.4 µm
Feed f: 0.02–0.15 f: 0.03-0.15 f: 0.04-0.20 f: 0.05–0.25 f: 0.06-0.25 f: 0.06-0.25 f: 0.06-0.20 f: 0.06-0.20 Feed
Cutting depth a p: 0.04-0.25 a p: 0.04-0.3 a p: 0.06-0.4 a p: 0.06-0.4 a p: 0.08-0.4 a p: 0.08-0.4 a p: 0.1–0.4 a p: 0.12–0.4 Cutting depth
ABC-25B ABC-25B
Cutting depth a p: 0.04-0.25 a p: 0.06-0.4 Cutting depth
ABC-25 ABC-25
Cutting conditions Smooth cut Cutting conditions
Machining parameters for CBN cutting materials - ABC-40 / ABC-40B

Cutting edge design (negative chamfer)
V c: m/min R a (µm)
A B C D E F G H
350 0.1 µm
R
300 R a a 0.2 µm
Cutting speed → → → 250 V c V c R V R a V R a V R a R a 0.4 µm Surface quality → → →

0.8 µm
200
R
150
100 a a c c c V c V c V c 1.6 µm
3.2 µm
50 6.4 µm
Feed f: 0.02-0.12 f: 0.03-0.15 f: 0.04-0.20 f: 0.06-0.20 f: 0.06-0.25 f: 0.06-0.25 f: 0.08-0.20 f: 0.08-0.20 Feed
Cutting depth a p: 0.05–0.25 a p: 0.06-0.3 a p: 0.08-0.3 a p: 0.08-0.3 a p: 0.10-0.4 a p: 0.10-0.4 a p: 0.15-0.4 a p: 0.20-0.4 Cutting depth
ABC-40B ABC-40B
Cutting depth a p: 0.04-0.25 a p: 0.07-0.4 Cutting depth
ABC-40 ABC-40
Cutting conditions Very low Light Medium Strong Cutting conditions
Cutting conditions Interrupted cut Cutting conditions

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
Availability subject to country specific rules and regulations. 295

0576_EN_2018_KERN[21847876]-l.indd 577 12/17/2018 3:33:10 PM