Title:
CLEANING METHOD OF HOT WORKING MOLD
Document Type and Number:
Japanese Patent JP2023132028
Kind Code:
A
Abstract:
To efficiently clean the inside of a mold after hot working.SOLUTION: A cleaning method of a hot working mold includes injecting a removal agent into an extrusion mold after hot processing of a molded body made of a magnetic material, and removing the magnetic material by pushing the removing agent with a punch while heating the extrusion mold with the removing agent charged therein to a heating temperature that is higher than the plastic working temperature of the molded body.SELECTED DRAWING: Figure 1
Inventors:
OSAWA AKIHIRO
SUZUKI KENICHI
SUZUKI KENICHI
Application Number:
JP2022037118A
Publication Date:
September 22, 2023
Filing Date:
March 10, 2022
Export Citation:
Assignee:
TDK CORP
International Classes:
H01F41/02; B21D37/00
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Takashi Mikami
Yoshiki Kuroki
Takashi Mikami
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