Indexable Insert Trouble Shooting

The Complete Range of ISO Inserts we served
PROBLEM PROBABLE CAUSES POSSIBLE SOLUTIONS
Breakage Excessive feed Reduce feed
Lack of rigidity Make tool or work rigid
Improperly applied coolant Be sure coolant is on cutting point of tool
Chipbreaker too narrow Use a wider chipbreaker
Dull insert Re-index or replace insert
Carbide grade too soft Use higher strength carbide
Built-up edge Improperly applied coolant Increase coolant flow
Speed and feed too slow Increase speed or increase feed
Rake angle too slight Use positive rake angle
Chatter Incorrect feed Increase feed
Too large a nose radius Reduce nose radius
Lack of rigidity Make tool or work rigid
Improper angles Decrease rake angle or increase relief and clearance angle or check mounting horsepower, spindles
PROBLEM PROBABLE CAUSES POSSIBLE SOLUTIONS
Chip Clogging Chips too long Use narrower chipbreaker or increase chip wells
Excessive feed Reduce feed
Chipping Chipbreaker too narrow Use a wider chipbreaker
Improper angles Use negative rake angles or small relief angles or use larger nose radius or use cutting edge angle or use pre-honed inserts
Excessive feed Reduce feed
Lack of rigidity Make tool or work rigid
Carbide grade Use higher strength carbide
Scale or voids in workpiece Increase speed
Cratering Excessive speed, feed, or both, eroding top of tool Reduce speed or reduce feed or use a carbide grade higher in crater resistance
Rake angle too slight Use positive rake angles
PROBLEM PROBABLE CAUSES POSSIBLE SOLUTIONS
Deformation High temperature at cutting edge Reduce speed or reduce feed or use a harder grade of carbide
Large Volume metal removal Reduce tool angles or increase nose radius or use positive rake tools
Excessive Wear Speed too high or feed too light Reduce speed or increase feed
Carbide too soft Use more wear resistance carbide
Improper angle Increase side cutting angle or use larger relief angle
Notching High abrasive surface scale or work hardened previously machined surface Increase a side cutting edge angle or reduce feed or use a larger radius or reduce speed
Poor Finish Feed rate too high Decrease feed, increase nose radius
Surface speed low Increase speed
Lack of rigidity Make tool or work rigid
Dull insert Re-index or replace insert
PROBLEM PROBABLE CAUSES POSSIBLE SOLUTIONS
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