Title:
A regeneration method of a scrap magnet
Document Type and Number:
Japanese Patent JP6076102
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for producing a regenerated magnetic material capable of efficiently obtaining a regenerated magnet material in which the contents of carbon and oxygen are sufficiently reduced.SOLUTION: The method for regenerating a scrap magnet comprises: a step of subjecting the surfaces of magnet scraps produced in the production process of a magnet body to mechanical polishing; and a step of subjecting the polished magnet scraps to vacuum melting. In the mechanical polishing, the magnet scraps and a surfactant are charged inside a rotary vessel, and the scraps are collided each other.
Inventors:
Takeo Umezawa
Maki Tsubaki
Maki Tsubaki
Application Number:
JP2013008950A
Publication Date:
February 08, 2017
Filing Date:
January 22, 2013
Export Citation:
Assignee:
Daido Electronics Co., Ltd.
International Classes:
C22B1/00; B09B3/00; B09B5/00; C22B7/00; C22B9/04; H01F41/00
Domestic Patent References:
| JP2001040425A | ||||
| JP56038438A | ||||
| JP58073731A | ||||
| JP2005302745A | ||||
| JP58181836A | ||||
| JP61087801A | ||||
| JP2013236982A |
Attorney, Agent or Firm:
Kenichi Morita