550 Каталог ISCAR 2017 Токарный металлорежущий инструмент и инструментальная оснастка Стр.546

Каталог ISCAR 2017 Токарный инструмент и оснастка Стр. 546 0550 ENG Lab2u

THREADING USER GUIDE Troubleshooting Problem Cause Solution U 1 Cutting speed too high Reduce RPM Ya/f 1 Infeed depth too small Modify flank infeed Increase depth of cut / Highly abrasive material Use coated grade \ i LF Inadequate coolant supply Apply coolant \ Wrong inclination anvil Reselect anvil Wrong turned dia. prior to threading Check turned dia. Premature Wear Insert is above center line Check center height 11 Cutting speed too high Reduce RPM 1/ Depth of cut large Reduce depth of cut 3 I Wrong grade Use coated grade Use tougher grade \ 1/ Poor chip control Modify flank infeed \l Inadequate coolant supply Apply coolant Chipped Edge Center height incorrect Adjust center height vt Excessive heat in cutting zone Reduce RPM Reduce depth of cut Check turned dia. 1 Wrong grade Use coated grade Use harder grade Plastic Deformation Inadequate coolant supply Apply coolant ir< k' Cutting edge too cold Increase RPM Increase depth of cut Wrong grade Use coated grade Built-Up Edge Inadequate coolant supply Apply coolant Cutting edge too cold Increase RPM / Depth of cut too large Reduce depth of cut Increase number of infeed passes / Wrong grade Use tougher grade \ Wrong turned dia. prior to threading Check turned dia. \ Corner height incorrect Adjust center height Infeed depth too shallow Modify flank infeed Wrong inclination anvil Re-select anvil Broken Nose During 1st Pass Tool overhang too long Reduce tool overhang Poor Surface Finish Wrong cutting speed Increase RPM Reduce RPM Excessive heat in cutting zone Reduce depth of cut Poor chip control Modify flank infeed SSI Inadequate coolant supply Apply coolant Wrong inclination anvil Reselect anvil Tool overhang too long Reduce tool overhang Center height incorrect Check center height Poor Chip Control Excessive heat in cutting zone Reduce RPM Change depth of cut Check turned dia. l/H l(Tj/ri=4,l II 1 r= Wrong grade Use coated grade Check turned dia. Use M-type insert Inadequate coolant supply Apply coolant Wrong turned dia. prior to threading Check turned dia. 546 ISCAR