Каталог Guhring сверла со сменными пластинами - страница 37

Troubleshooting 12 tips to help diagnose problems Problem Cause Remedy  cutting speed too low  increase cutting speed Heavy chisel edge wear  feed too high  reduce feed  excessive honing of cutting lip  reduce cutting lip honing  clearance angle too small  increase clearance angle Crumbling at intersection, web thinning and cutting lip  excessive honing of cutting lip  reduce cutting lip honing  incorrect tool type  apply suitable tool  cutting speed too high  reduce cutting speed Plastic deformation of outer corner  insufficient coolant volume  increase volume/pressure  incorrect or no honing at corner  correct honing  non rigid conditions, insufficient workpiece  rigid clamping of workpiece Misalignment clamping  deviation from concentricity too large  check and correct concentricity if possible  spotting area transverse  use milling cutter (2-fluted) for spotting  chisel edge too large  reduce chisel edge  feed too high  reduce feed Heavy burring on break- through  max. wear values exceeded  reduce tool change intervals  excessive honing of cutting lip  reduce cutting lip honing  non rigid conditions, insufficient workpiece  rigid clamping of workpiece Unsatisfactory surface quality clamping a R  deviation from concentricity too large  check and correct concentricity if possible  insufficient coolant volume  increase volume/pressure HT 800 WP 37