Method and Device for Producing Flangeless Drawn Parts
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United States of America Patent
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app pub date -
Oct 24, 2013
filing date -
Apr 29, 2011
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Abandoned
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Abstract
The invention relates to a method for producing flangeless drawn parts from a flat and/or preformed metal blank using a drawing punch, a blank holder and a drawing die, wherein the drawing die has at least one supporting region and at least one wall region, between which rounded run-in portions are provided, and the blank is trimmed during the drawing operation. In addition, the invention relates to a method for producing flangeless drawn parts from a flat and/or preformed metal blank comprising a drawing punch, a blank holder, a drawing die with at least one supporting region, at least one wall region and rounded run-in portions, which are provided between the supporting region and the wall region.
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