Общий каталог Ingersoll 2011 - страница 715

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USER GUIDE TROUBLE SHOOTING GUIDE No. Problem Causes Solutions dull tool hone cutting edges if required inadequate coolant check volume and pressure contaminated coolant check coolant 5 Carbide tip breakage guide bushing tolerance too tight replace if necessary or undersize drill misalignment of shank and spindle correct misalignment tool geometry error correct geometry material variation try to adjust by altering speeds and feeds improper speed or feed adjust accordingly incorrect carbide grade choose proper grade for material worn guide bushings replace guide bushings excessively warm coolant check coolant temperature & system 6 Short tool life incorrect cutting fluid replace if possible misalignment of shank and spindle correct misalignment tool geometry error correct geometry material variation try to adjust by altering speeds and feeds misalignment check and adjust inadequate dampening of shank causing vibration provide vibration dampers CB too far above or below center line correct chip breaker faulty cutter or guide pad geometry correct geometry misalignment between workpiece and drill correct misalignment workpiece deflection improve clamping and rigidity 7 Poor surface finish excessive vibration contact tool or machine manufacturer tool geometry error correct geometry cutting speed too low increase cutting speed feed too light especially in hardened material increase feed uneven feed correct feed mechanism none of above or unsolved problems contact tool manufacturer 717