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DEEP DRAWING TOOL AND DEEP DRAWING PROCESS FOR DEEP DRAWING BLANKS
专利权人:
RAINER NAROSKA VERPACKUNGSMASCHINEN GMBH & CO. KG
发明人:
NAROSKA, Marcus,LACHNITT, Joachim
申请号:
WO2016EP01349
公开号:
WO2017025181(A1)
申请日:
2016.08.05
申请国别(地区):
世界知识产权组织国际局
年份:
2017
代理人:
摘要:
Deep drawing tool (10) and process for deep drawing blanks (32), which are punched out of sheet metal that is painted or coated with film material, in order to obtain flangeless formed pieces, the deep drawing tool (10) comprising a drawing bell (12), a drawing core (14), a blank holder (18), and a die cushion for applying a spring force to the blank holder (18) using force transmission means (20, 22), characterized by a drive unit which, once the drawing bell (12) has reached a predefined position in its downward movement, drives the force transmission means (20, 22) to perform a movement preceding the movement of the drawing bell (12).
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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