Title:
VARIABLE DIE, AND PRESSING APPARATUS AND METHOD
Document Type and Number:
WIPO Patent Application WO/2022/119144
Kind Code:
A1
Abstract:
A variable die according to an embodiment of the present invention may comprise: a first lower die part; and a first upper die part disposed above the first lower die part, wherein: the first lower die part comprises a first lower die center part and a first lower die side part; the first lower die center part includes a first sensor unit which measures a distance; the first lower die side part includes an inner member having a slope, and a drive unit which moves the inner member toward the first lower die center part; the first sensor unit measures a forming distance which is the distance from the first sensor unit to a material; and the drive unit is driven on the basis of the forming distance to adjust a correction distance which is the moving distance of the inner member.
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Inventors:
LEE JAE-WOOK (KR)
Application Number:
PCT/KR2021/015627
Publication Date:
June 09, 2022
Filing Date:
November 02, 2021
Export Citation:
Assignee:
POSCO (KR)
International Classes:
B21D37/12; B21D37/04; B30B15/04
Foreign References:
| KR102178739B1 | 2020-11-13 | |||
| KR20150017935A | 2015-02-23 | |||
| KR20120075704A | 2012-07-09 | |||
| JPH09143508A | 1997-06-03 | |||
| KR19990038356U | 1999-10-25 | |||
| KR20100002958A | 2010-01-07 |
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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