Общий каталог Ingersoll 2011 - страница 714

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USER GUIDE TROUBLE SHOOTING GUIDE No. Problem Causes Solutions improper cutting conditions adjust speed and feed chipbreaker or CB radius too small and deep amend chip breaker faulty tool geometry use correct geometry 1 Chips too small misalignment of shank and spindle correct misalignment material variation try to adjust by altering speeds and feeds loose or oversize guide bushings change bushing poor starting conditions (workpiece not centered) center workpiece improper cutting conditions adjust speed and feed 2 Chips too large chipbreaker or CB radius too large and shallow amend chip breaker oversized guide bushing or guide bushing misalignment correct misalignment or change bushing lack of uniformity in workpiece material adjust speeds & feeds or amend CB faulty feed mechanism (likely to occur with hydraulic feed system) consult machine builder or sales engineer inncorrect carbide grade check grade charts for guidelines chips jamming because of inadequate coolant supply increase coolant supply pressure or incorrect tool geometry correct tool geometry 3 Erratic chip pattern misalignment of shank and spindle correct misalignment excessive vibration due to insufficient workpiece/tool rigidity contact machine builder or tool manufacturer wrong choice of coolant consult with tool manufacturer under or oversized guide bushing change bushing incorrect tip geometry amend chip breaker lack of uniformity in workpiece material adjust with speed & feed or amend CB faulty feed mechanism (likely to occur with hydraulic feed system) consult with machine builder or sales engineer 4 Stringy chips cooling contaminated with fine particles clean coolant chemical affinity between workpiece and carbide check possibility of changing grade chipped cutting edge replace drill feedrate too low increase feed 716