Каталог Iscar токарный инструмент 2017 - страница 550

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Troubleshooting
ProblemCauseSolution
• Cutting speed too high• ReduceRPM • Modify flank infeed
• Infeed depth too small
• Highly abrasive material• Increase depth of cut • Use coated grade
• 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
• Cutting speed too high • Depth of cut large• ReduceRPM • Reduce depth of cut
• Wrong grade• Use coated grade • Use tougher grade
• Poor chip control• Modify flank infeed
• Inadequate coolant supply• Apply coolant
Chipped Edge• Center height incorrect• Adjust center height
• ReduceRPM
• Excessive heat in cutting zone• Reduce depth of cut • Check turned dia.
• Wrong grade• Use coated grade • Use harder grade
Plastic Deformation• Inadequate coolant supply• Apply coolant
• IncreaseRPM
• Cutting edge too cold• Increase depth of cut
• Wrong grade• Use coated grade
Built-Up Edge• Inadequate coolant supply• Apply coolant
• Cutting edge too cold• IncreaseRPM
• 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 • Wrong inclination anvil• Modify flank infeed • Re-select anvil
Broken Nose During 1st Pass• Tool overhang too long• Reduce tool overhang
• Wrong cutting speed• IncreaseRPM
Poor Surface Finish• ReduceRPM
• Excessive heat in cutting zone• Reduce depth of cut
• Poor chip control• Modify flank infeed
• Inadequate coolant supply• Apply coolant
• Wrong inclination anvil• Reselect anvil
• Tool overhang too long• Reduce tool overhang
• Center height incorrect• Check center height
• Excessive heat in cutting zone• ReduceRPM • Change depth of cut
Poor Chip Control• Check turned dia.
• Use coated grade
• Wrong grade• Check turned dia.
• Use M-type insert
• Inadequate coolant supply• Apply coolant
• Wrong turned dia. prior to threading• Check turned dia.