METHOD FOR MANUFACTURING ROTOR

Title:

METHOD FOR MANUFACTURING ROTOR

Document Type and Number:

WIPO Patent Application WO/2022/091390

Kind Code:

A1

Abstract:

Provided is a method for manufacturing a rotor with which the rotor of a rotary electric machine is manufactured by disposing magnets in a hole section of a rotor core formed by a laminated steel plate, and fixing the magnets to the rotor core by injecting and curing a thermosetting resin, the method comprising: a heating step for heating the rotor core up to a curing start temperature (T3) or higher; a resin injection step for injecting a resin which has a melting start temperature (T1) or higher and is in a liquid phase, by using a resin injection device, into the hole section of the rotor core which has the curing start temperature (T3) or higher; and a magnet fixing step for curing the resin by maintaining the rotor core at the curing start temperature (T3) or higher.

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Inventors:

KORI MOTOKI (JP)
KOJIMA TOMOI (JP)
SABURI TOSHIYUKI (JP)
OYA YOHEI (JP)

Application Number:

PCT/JP2020/040986

Publication Date:

May 05, 2022

Filing Date:

October 30, 2020

Export Citation:

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Assignee:

AISIN CORP (JP)

International Classes:

H02K15/03; H02K15/02

Foreign References:

JP2012161209A	2012-08-23
JP2008042967A	2008-02-21
JP5373269B2	2013-12-18

Other References: