TURNING INSERTS Depth of Cut (inch) TURNING INSERTS OPTIMUM GRADES AND CHIP BREAKERS FOR EXTERNAL TURNING Finish Cutting Light Cutting Medium Cutting Stable Cutting A General Cutting FM LM MM Unstable Cutting VP15TF MC7025 MC7025 F Finish Cutting L Light Cutting M Medium Cutting FM LM MM VP15TF MC7025 MC7025 FM LM MM VP15TF MP7035 MP7035 M Stainless Steel (<200HB) .1547 .1138 FM LM .0729 MM .0319 0 .0.014 .0.028 .0.132 .0.146 Feed (IPR) Stainless Steel (EX. : AISI 304, AISI 306) vc : Cutting speedf: Feed 7° POSITIVE INSERTS WITH HOLE ap : Depth of cut. Cutting Area Chip Breaker Grade 1st Recommendationvc (SFM) f (IPR) ap (inch) F FM VP15TF 245 ─ 410 .002 ─ .008 .008 ─ .036 L LM MC7025 460 ─ 620 .003 ─ .010 .008 ─ .040 Stable Cutting M MM MC7025 395 ─ 525 .004 ─ .012 .012 ─ .079 F FM VP15TF 245 ─ 410 .002 ─ .008 .008 ─ .036 L LM MC7025 460 ─ 620 .003 ─ .010 .008 ─ .040 General Cutting M MM MC7025 395 ─ 525 .004 ─ .012 .012 ─ .079 F FM VP15TF 245 ─ 410 .002 ─ .008 .008 ─ .036 L LM MP7035 280 ─ 440 .003 ─ .010 .008 ─ .040 Unstable Cutting M MM MP7035 230 ─ 375 .004 ─ .012 .012 ─ .079 A022