CBN & PCD TURNING INSERTS Cutting Speed vc (SFM) Cutting Speed vc (SFM) CBN & PCD TURNING INSERTS NON-COATED CBN Sintered Alloy Machining • Cast Iron Machining MB4120/MB710/MB730/MBS140 y Application Range aSintered Alloy Machining aCast Iron Machining B 8200 6560 985 4920 MB4120MB730 655 MB4120 3280 MBS140 330 1640 MB710 0 40 60 80 100 0 .039 .079 .118 .157 Hardness of Work Material (HRB) Depth of Cut ap (inch) y Recommended Cutting Conditions aSintered Alloy Machining Work Material Application Grade Cutting Speed vc (SFM) Feed Depth of Cut Cutting Mode range f (IPR) ap (inch) 330 490 655 820 985 General Sintered GeneralAlloyCuttingMB4120 < .008 < .012 Dry, Wet High DensitySintered Alloy GeneralCutting MB4120 < .008 < .012 Dry, Wet Sintered Alloy GeneralCutting MB4120 < .008 < .012 Dry, Wet aCast Iron Machining Work Material Application Grade Cutting Speed vc (SFM) Feed Depth of Cut Cutting Mode range f (IPR) ap (inch) 820 1640 2460 3280 4100 4920 GeneralCutting MB4120 < .016 < .020 Dry, Wet GeneralGray Cast IronCuttingMB730 < .020 < .039 Dry, Wet AISI No 35 B, AISI No 45 B GeneralCutting MB710 < .020 < .039 Dry, Wet Heavy Cutting MBS140 < .020 < .197 Dry, Wet B012