Каталог Sumitomo пластины с кубическим нитридом бора Sumiboron - страница 6

Guidance for SUMIBORON GradesSUMIBORON

HARDENED STEEL MACHINING

(3)

• Application Examples（Continuous cutting）

300

200

150

100

BNC2010 Work Material: SCM415 Bar (58-62HRC)

BNC2020 Insert: DNGA150408

BN2000

Cutting Conditions: f=0.1mm/rev

Ceramic

a p=0.2mm

Wet

50

1 10 100 200 300

Tool life (min) Tool life limit set at: VB =0.1ｍｍ max

• Application Examples（Interrupted cutting）

Light Int. - face with 4 holes (Freq, of Int, 25%) Med. Int. - face with 8 holes (Freq, of Int, 50%)

Grade Tool life Grade Tool life

50 100 50 100

Heavy Int. - U grooved face (Freq, of Int, 100%) Hi Speed Int. - face with 8 holes (Freq, of Int, 50%)

Grade Tool life Grade Tool life