Title:
無フランジ絞り加工部品の製造方法および製造装置
Document Type and Number:
Japanese Patent JP5801950
Kind Code:
B2
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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Inventors:
Thomas flemig
Constantinos Savas
Constantinos Savas
Application Number:
JP2014506839A
Publication Date:
October 28, 2015
Filing Date:
April 25, 2012
Export Citation:
Assignee:
ThyssenKrupp Steel Europe AG
International Classes:
B21D24/16; B21D37/02
Domestic Patent References:
| JP49089776U | ||||
| JP55177930U |
Attorney, Agent or Firm:
Takao Koshikawa