Punch Point Breakage

Punch Point Breakage

Punch Point Breakage

Cause	Solution
Sharpening Damage	Flood coolant, check grinding wheel grit and bond

Punch to Matrix Misalignment	Check die & press alignment

Lateral Movement of Part Material	Use a spring stripper

Tight Die Clearance	Increase die clearance Change punch material

Hard or Thick Part Material	Increase punch body diameter Use a spring stripper Increase die clearance Change punch material Guide punch & stripper Use shear angles

Improper Punch Material	Change punch material

Excessive Land (Die Life) In Matrix	Reduce land (die life) in matrix 1 to 4 times material thickness

Punch Chipping \| Slug Jamming \| Slug Pulling
Punch Wear & Galling \| Punch Head Breakage \| Problem Solver Guide