users guide Instruction Manual
77
Cause
Excessive temperature in cut-•
ting zone.
Unsuitable grade.•
Lack of coolant supply.•
Solution
Reduce cutting speed and/or •
feed.
Choose more wear resistant •
grade.
Improve coolant supply.•
Plastic deformation (PD)
Cause
Cutting speed too high.•
Too soft grade.•
Lack of coolant supply.•
Solution
Decrease cutting speed.•
Choose more wear resistant •
grade.
Improve coolant supply.•
Flank wear
Cause
Cutting speed too high.•
Too soft grade.•
Feed too high.•
Lack of coo• lant supply.
Solution
Decrease cutting speed.•
Choose more wear resistant •
grade.
Decrease feed.•
Improve coolant supply.•
Crater wear
Cause
Oxidation at the cutting depth.•
Too high edge temperature.•
Solution
Use varying cutting depths.•
Reduce cutting speed.•
Notch wear