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Patent Searching and Data


Title:
METHOD AND DEVICE FOR PROCESSING WORKPIECE THROUGH HOT WORKING PROCESS MERGED WITH ELECTROMAGNETIC FORMING USING INDUCTION HEATING
Document Type and Number:
WIPO Patent Application WO/2019/022495
Kind Code:
A1
Abstract:
The present invention relates to a method and a device for processing a workpiece through a hot working process merged with electromagnetic forming using induction heating, the method comprising: 1) a step of positioning a workpiece on a heating coil; 2) a step of uniformly heating the workpiece up to a process temperature at which the internal flow stress of the workpiece is low enough for formability to be enhanced; 3) a step of positioning the heated workpiece on the side on which electromagnetic forming is performed; 4) a step of forming the workpiece by generating electromagnetic formability in the transferred workpiece; and 5) a step of cooling the workpiece. According to the present invention, there are beneficial advantages in that, by electromagnetically forming the workpiece that was heated in advance to a forming temperature, a spring back effect that occurs in the workpiece due to the electromagnetic forming can be prevented, high formability can be achieved, and a wrinkling phenomenon can be overcome.

Inventors:
LEE, Seok Soon (#107-605, 10 Naedong-ro 348beon-gil,,Jinju-si, Gyeongsangnam-do, 52829, KR)
TAK, Seung Min (#211-1007, 26 Gaho-ro,,Jinju-si, Gyeongsangnam-do, 52547, KR)
Application Number:
KR2018/008401
Publication Date:
January 31, 2019
Filing Date:
July 25, 2018
Export Citation:
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Assignee:
INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATLONAL UNIVERSITY (501 Jinju-daero, Jinju-si, Gyeongsangnam-do, 52828, KR)
International Classes:
B21D26/14; B21D37/16
Foreign References:
KR20120032968A2012-04-06
KR20130041485A2013-04-25
JPH10314870A1998-12-02
KR101304897B12013-09-06
US7069756B22006-07-04
CN104384701A2015-03-04
Attorney, Agent or Firm:
DYNE PATENT & LAW FIRM (#705, 7th Floor,16, Neuti-ro,,Bundang-gu, Seongnam-si, Gyeonggi-do, 13558, KR)
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