7Leaders

Cutting Conditions

F613TX F614TX

ae

Dc

Dc

cutting speed Vc (m/min)

feed per tooth fz(mm)

cutting speed Vc (m/min)

feed per tooth fz(mm)

ae

ap

ap

Carbon Steel Materials

280

0.011xDc

0.4xDc

0.03xDc

360

0.008xDc

0.01xDc

GR1 Carbon Steel

<24HRC Low-alloyed Steel <30HRC Hi-alloyed Steel 30~38HRC Hardened Steel 38~48HRC Hardened Steel 48~56HRC Hardened Steel

260

0.011xDc

0.4xDc

0.03xDc

320

0.008xDc

0.01xDc

GR2

P

230

0.009xDc

0.4xDc

0.03xDc

270

0.008xDc

0.01xDc

GR3

Hardened Steel Materials

100

0.008xDc

0.4xDc

0.03xDc

180

0.006xDc

0.01xDc

GR4

80

0.007xDc

0.3xDc

0.02xDc

160

0.005xDc

0.01xDc

H

GR5

60

0.006xDc

0.2xDc

0.01xDc

140

0.004xDc

0.01xDc

GR6

Cast Lron Materials

280

0.02xDc

0.4xDc

0.03xDc

360

0.008xDc

0.01xDc

GR9-1 Grey cast iron

K

250

0.02xDc

0.4xDc

0.03xDc

320

0.008xDc

0.01xDc

GR9-2 Nodular cast iron

All cutting data serve for orientation only and should be adapted individually to the technical conditions on location 1. Please work with good rigidity / high precision facilities and collet chuck. 2. Please choose proper cutting fluid. 3. The cutting data is reference value only. Please adjust it according to your real working conditions. 4. If RPM is lower the reference value, the Feed rate (fz) and RPM should be reduced by the same proportion. 5. If vibration occurs during cutting, please reduce cutting parameter.

276

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