Title:
サーボプレスを用いた成形方法
Document Type and Number:
Japanese Patent JP4509740
Kind Code:
B2
Abstract:
To provide a forming method using a servo press by which load on equipment in a compound working is reduced and the total working time is shortened.
The forming method performs the composite working by an upper die 2 and a lower die 6 by using a servo press, wherein a slide 1 is lowered and pressed and held at the bottom dead center to draw a work W, then the slide 1 is elevated from the bottom dead center by a slight stroke ST3 and stopped without maintaining the pressure on the work W, and the drawn work W is pierced by a pierce punch 11 which is lowered by the advancing operation of a hydraulic cylinder 14.
COPYRIGHT: (C)2006,JPO&NCIPI
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Inventors:
Yoshinori Shibayama
Application Number:
JP2004318280A
Publication Date:
July 21, 2010
Filing Date:
November 01, 2004
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
B21D22/02
Domestic Patent References:
| JP3057517A | ||||
| JP2004017122A | ||||
| JP8090093A | ||||
| JP2006122997A |
Attorney, Agent or Firm:
Yu Koyama
Tomiho Inamoto
Osamu Kataoka
Tomiho Inamoto
Osamu Kataoka