Young Seo

Contributing Writer



Stamping | Articles

Blanking questions have you on the edge?

October 11, 2005 | By Young Seo

Reducing the damaging effects of fractures, burnishing, burrs, and rollover improves subsequent forming processes. The blanked edge condition can be improved by adjusting the punch and die clearance tolerance, shaving the area of the defected blanked edge, designing an appropriate contact profile of the tool and die, and understanding the mechanical properties of the sheet metal used.

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Stamping | Articles

Improving blank edge conditions

July 24, 2003 | By Young Seo

A blank, stamped in the first station of a progressive stamping operation, usually is subject to subsequent forming processes to form a designated part. If the blank is subject to straining, deformation, bending, stretching, or lateral expansion in later stations, its edge condition should be carefully examined.

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