Каталог Guhring сверла со сменными пластинами - страница 36

Troubleshooting 12 tips to help diagnose problems Problem Cause Remedy  low cutting speed  increase cutting speed Cutting edge build up  excessive honing of cutting lip  reduce cutting lip honing  bright finish cutting lip  have tool coated  non rigid conditions, insufficient workpiece  rigid clamping of workpiece Crumbling of outer corners clamping  deviation from concentricity too large  check and correct concentricity if possible  interrupted cut  reduce feed  cutting speed too high  reduce cutting speed Heavy wear at flank  feed too low  increase feed  clearance angle too small  increase clearance angle  non rigid conditions, insufficient workpiece  rigid clamping of workpiece Crumbling on cutting lips clamping  interrupted cut  reduce feed  max. wear values exceeded  reduce tool change intervals  incorrect tool type  apply suitable tool  non rigid conditions, insufficient workpiece  rigid clamping of workpiece Land wear clamping  deviation from concentricity too large  check and correct concentricity if possible  back taper too small  increase back taper  incorrect coolant (oil), coolant too weak  increase strength of coolant or use neat oil  non rigid conditions, insufficient workpiece  rigid clamping of workpiece Scoring on tool body clamping  deviation from concentricity too large  check and correct concentricity if possible  interrupted cut  reduce feed  abrasive workpiece material  increase strength of coolant or use neat oil 36 HT 800 WP