GENERAL TECHNICAL INFORMATION INSERTS FAILURE TROUBLE SHOOTING Solution • Reduce cutting speed or feed rate or use more wear resistant grade • Use coolant • Use more positive rake geometry • Reduce cutting speed or feed rate or use more wear resistant grade • Use coolant • Reduce cutting speed or feed rate or use more wear resistant grade • Use coolant • Use more positive rake geometry • Reduce cutting speed or feed rate or use more wear resistant grade • Use coolant • Reduce cutting speed or feed rate or use more wear resistant grade • Use coolant • Use more positive insert geometry Change Grade Harder • Reduce feed rate • Use tougher grade • Use more positive insert geometry PV3010 > CT3000 > TT5030 > TT1300 > TT7310 >TT8115 > TT8125 > TT5100 > TT7100 > TT8020 • Remove coolant completely or apply coolant correctly • Use tougher grade Change Grade • Use more positive rake geometry Less ASB* • Increase lead angle Less Heat • Use tougher grade FA FG ET • Use more positive rake geometry FC ML MP MT MC MG- RT • Increase lead angle WS VF WT RHSFPC EA • Increase cutting speed * ASB = Built-up edge • Use more positive rake geometry Change Grade • Use more positive rake geometry Tight Open • Use tougher grade FA FG MC ML MP MT MG- ET RT RH EA WS VF WT • Use tougher grade FC SF PC • Use stronger insert geometry • Reduce feed rate • Remove coolant completely or apply coolant correctly • Increase cutting speed • Use tougher grade • Use more positive rake geometry • Reduce feed rate • Remove coolant completely or apply coolant correctly 1159