y CUTTING SPEED

Cutting Speed vc (SFM)

Work Material Properties Grade

165 330 490 655 820 985

PVP20RT330785
Mild Steel160HB

VP10RT 360 820

VP20RT 260 655

VP10RT295690
160─ 280HB

VP30RT 195 590

Carbon SteelMY5015360820
Alloy SteelVP20RT195525
VP10RT230560
>280HB

VP30RT 130 460

MY5015 295 690

M VP20RT 195 590

Stainless Steel <270HB VP10RT 230 620

VP30RT 130 525

KVP20RT260655F
Tensile Strength

Gray Cast Iron 300MPa VP10RT 295 690

MY5015460985
VP20RT195525
Tensile Strength

Ductile Cast Iron 800MPa VP10RT 230 560

MY5015 295 690

S VP20RT 100 195

Heat Resistant Alloy ─ Titanium Alloy VP10RT 130 230 Note 1) VP20RT is the first recommended grade for materials.

Note 2) For VP10RT, VP20RT, VP30RT and MY5015, wet cutting is recommended.

y FEED PER REVOLUTION

GM Breaker GS Breaker

HH
GG
FF
DD
0.004.008.012.0160.004.008.012.016

Feed per Revolution f (IPR) Feed per Revolution f (IPR)

Chip BreakerSeat Size DFeed per Rev Seat Size Folution f(IPR) Seat Size GSeat Size H
GM Breaker.002─.008.003─.010.003─.013.004─.014
GS Breaker.001─.006.002─.008.002─.009.003─.010