Punch Wear and Galling

Punch Wear and Galling

Punch Wear and Galling

Cause	Solution
Punch to Matrix Misalignment	Check die & press alignment

Regrind Burr On Punch Or Matrix	Remove regrind burr (break sharp corners on punch face)

Lateral Movement of Part Material	Use a spring stripper

Tight Die Clearance	Increase die clearance Change punch material Daytride^®(XN), DaytTiN^®(XNT), DayKote^TM (XND)

Abrasive Part Material	Change punch material Daytride^®(XN), DaytTiN^®(XNT), DayKote^TM (XND)

Improper Punch Material	Change punch material

Punch Entry Too Deep	Reduce punch entry to .030"

Sharp Corners On Shaped Rectangular Punches	Use "L" Punches

Punch Point Breakage \| Punch Chipping \| Slug Jamming \| Slug Pulling
Punch Head Breakage \| Problem Solver Guide