Punch-Die Gap Effect on Blanked Edge in Fine Blanking of Low-Carbon, Micro-Alloyed and High-Strength Steels

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This paper analyzes the effect of the punch-die gap on blanked edge quality in fine blanking. The objective is to determine basic mechanical properties of galvanized multiphase steel sheets with a thickness of 0.75, 0.80 and 0.85 mm by a single-axis tensile test, determine the effect of the punch-die gap on plastic phase depth [hv] expressed as the relation of hv to a0, and, finally, determine the effect of material properties of blanked sheet metal on blanked edge quality expressed as the relation of hv to a0.

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279-284

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January 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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