发明公开
- 专利标题： Drawing method and servo press system
- 专利标题（中）： Ziehverfahren und Servopressensystem
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申请号： EP14156719.8申请日： 2014-02-26
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公开(公告)号： EP2777840A1公开(公告)日： 2014-09-17
- 发明人: Kohno, Yasuyuki , Kondo, Tadahiro , Iwamura, Ryosho
- 申请人： Aida Engineering, Ltd.
- 申请人地址： 2-10, Ohyama-cho, Midori-ku Sagamihara-shi, Kanagawa 252-5181 JP
- 专利权人： Aida Engineering, Ltd.
- 当前专利权人： Aida Engineering, Ltd.
- 当前专利权人地址： 2-10, Ohyama-cho, Midori-ku Sagamihara-shi, Kanagawa 252-5181 JP
- 代理机构： Grünecker, Kinkeldey, Stockmair & Schwanhäusser
- 优先权： JP2013051476 20130314
- 主分类号： B21D24/02
- IPC分类号： B21D24/02
摘要：
The present invention provides a servo press system (100, 200, 300, 400) and a drawing method using the servo press system. The drawing method according to the aspect of the present invention includes: a stopping step of stopping the slide (23, 24, 26) for a first period (S 12-S22) in a course of a stroke for performing drawing; a keeping step of reducing (S16) the die cushion force to below a predetermined die cushion force and keeping (S18) the die cushion force for a second period (S18) within the first period (S12-S22) for which the slide is stopped; and a restarting step of restarting (S20, S22) the slide after keeping (S 18) the die cushion force for the second period (S 18), wherein drawing (S10-S22) including the stopping step, the keeping step, and the restarting step is performed at least one time in the course of the stroke for performing drawing.
公开/授权文献
- EP2777840B1 Drawing method and servo press system 公开/授权日：2015-10-21
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