Steel Rule Die Blanking

Steel-rule-die blanking is a shearing process in which a punch and die set is used to cut a part from stock material.  The die consists of a thin strip of steel (formed to the contour of the part) supported on its edge.  The punch is a flat surface made of steel, wood, or rubber.

Process Characteristics

Uses thin strip steel knives as shearing dies
Is often limited to short production runs
Is predominantly used for nonmetallic material
Is used for nonmetallics and thin gage to half hard sheet metals
Reduces die design and fabrication costs over conventional dies

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Information provided is from Manufacturing Processes Reference Guide by Robert H. Todd, Dell K. Allen, and Leo Alting.--1st ed. Published by Industrial Press Inc., 1994.