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Solving punch breakage problems

Parts I, II, and III

Editor’s Note: Part I discusses typical causes of premature failure. Part II covers the roles of cutting shear and retainers. Part III discusses how tool steel selection, press deflection, and heat from processes such as EDM and grinding affect the likelihood of punch breakage.

About the Author
Dieology LLC

Art Hedrick

Contributing Writer

10855 Simpson Drive West Private

Greenville, MI 48838

616-894-6855

Author of the "Die Science" column in STAMPING Journal®, Art also has written technical articles on stamping die design and build for a number of trade publications. A recipient of many training awards, he is active in metal stamping training and consulting worldwide.