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Technical Information |
Contains information about:
Speeds and Feeds
Troubleshooting
Application Examples
Calculators
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Some of the more common problems faced by those not familiar
with the use of ceramic toolbits are:
Chipping • Cratering • Cracking or Breaking • Chatter • Torn Finish • Excess Wear
| Chipping |
| 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 |
| return to top |
| |
| Cratering |
| chipbreaker set too tight |
| nose radius too large |
| side cutting edge angle too great |
| return to top |
| |
| Cracking or Breaking |
| 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 |
| return to top |
| |
| Chatter |
| 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 |
| return to top |
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| Torn Finish |
| lack of rigidity |
| dull tool |
| speed oto slow |
| chipbreaker too narrow or too deep |
| improper grinding |
| return to top |
| |
| Excess Wear |
| speed too high or feed too light |
| speed too low |
| nose radius too large |
| improper grinding |
| return to top |
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