Some of the more common problems faced by those not familiar with the use of ceramic toolbits are:
Chipping – Probable Causes
- lack of rigidity
- not enough chamfer on cutting edge
- chipbreaker too narrow
- chatter
- scale or inclusions
- improper grinding
- too much relief
- defective or burred toolholder or shim seat
Cratering – Probable Causes
- chipbreaker set too tight
- nose radius too large
- side cutting edge angle too great
Cracking or Breaking – Probable Causes
- insert surfaces not flat
- insert not seated solidly
- stopping workpiece while tool is engaged
- worn or chipped cutting edges
- feed too heavy
- improperly applied coolant
- too much rake or relief
- too much overhang or tool too small
- lack of rigidity in setup
- speed too slow
- too much variation in depth of cut
- chatter
- grinding cracks
- defective or burred toolholder or shim seat
Chatter – Probable Causes
- tool not on center
- insufficient relief and/or clearance
- too much rake
- too much overhang or tool too small
- nose radius too large
- feed too heavy
- lack of rigidity
- insufficient power, or slipping clutch
Torn Finish – Probable Causes
- lack of rigidity
- dull tool
- speed too slow
- chipbreaker too narrow or too deep
- improper grinding
Excess Wear – Probable Causes
- speed too high or feed too light
- speed too low
- nose radius too large
- improper grinding
Questions? Technical phone-support is available
technical support call – phone number @ 517-769-6662
9am to 5pm – Eastern Standard Time, Monday through Friday