Title:
PRESS DIE
Document Type and Number:
WIPO Patent Application WO/2019/111386
Kind Code:
A1
Abstract:
A press die 20 capable of manufacturing a pressed component 28 and removing the component 28 from the die without causing damage during mold release at a high cycle speed while improving equipment compactness, the press die 20 being equipped with a distance bar 29 capable of an oscillating movement and positioned on a blank holder 24, and a pressing device 30 to be attached to a punch 23 or to the blank holder 24. The distance bar 29 is separated from a pad in a starting position during a first step, oscillates or rotates while moving during a second step, keeps the pressing direction distance between a pad 25 and the blank holder 24 at or above the molding height by being positioned in a holding position between the pad 25 and the blank holder 24 during a third step and a fourth step, and returns to the starting position by oscillating or rotating while moving during the fifth step.
Inventors:
OOOKA KAZUNORI (JP)
ASO TOSHIMITSU (JP)
YOSHIDA HIROSHI (JP)
TANAKA YASUHARU (JP)
MIYAGI TAKASHI (JP)
SUZUKI JUNICHIRO (JP)
YAMAMOTO SHINOBU (JP)
ASO TOSHIMITSU (JP)
YOSHIDA HIROSHI (JP)
TANAKA YASUHARU (JP)
MIYAGI TAKASHI (JP)
SUZUKI JUNICHIRO (JP)
YAMAMOTO SHINOBU (JP)
Application Number:
PCT/JP2017/044050
Publication Date:
June 13, 2019
Filing Date:
December 07, 2017
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
B21D24/12; B21D5/01; B21D22/26; B21D24/04
Domestic Patent References:
| WO2015046023A1 | 2015-04-02 |
Foreign References:
| JP2017170482A | 2017-09-28 | |||
| JP2006043760A | 2006-02-16 | |||
| JPH08276225A | 1996-10-22 |
Attorney, Agent or Firm:
BRIGHTAS IP ATTORNEYS (JP)
Download PDF: