Trouble shooting PCD
Troubleshooting – PCD
Problem
Cause
Suggested action(s)
Flank wear
• Change to coarser PCD grade • Check material composition • Reduce cutting speed • Use coolant
Wrong grade Precense of Fe/Ni/Co
Built-up edge
• Decrease or increase cutting speed • Choose a sharper insert • Change to a finer grade
Not correct edge temperature Wrong grade
Edge chipping
• Minimize vibrations • Change to a tougher grade • Change cutting data • Check set-up
Poor rigidity Wrong grade Incorrect cutting data High run-out
Poor surface finish
• Change to a finer PCD grade • Reduce cutting speed and feed rate • Check wiper position
Wrong grade Too high cutting data Incrrect wiper position
Flaking of workpiece
• Decrease depth of cut • Add entry chamfer on component
Too high depth of cut
904
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