Title:
METHOD OF MANUFACTURING SHAFT
Document Type and Number:
Japanese Patent JP2022003847
Kind Code:
A
Abstract:
To provide a method of manufacturing a hollow shaft capable of locally enhancing rigidity of a shaft supporting part to which strong centrifugal force is applied.SOLUTION: A method of manufacturing a hollow shaft which penetrates a rotor core incorporated into a motor. The shaft comprises: a shaft main body part that is positioned in an intermediate part in an axial direction of the shaft and holds a rotor core; and shaft supporting parts 11s which are positioned at opposite ends of the axial direction of the shaft and are supported by bearings. The manufacturing method includes: a centrifugal casting step of forming the shaft supporting parts by centrifugal casting; and a casting packaging step of positioning the shaft supporting parts formed in the centrifugal casting in a mold, and integrally casting the shaft main body part with the shaft supporting parts.SELECTED DRAWING: Figure 4
Inventors:
OGAWA NORIKO
KANEHARA HIROSHI
KANEHARA HIROSHI
Application Number:
JP2020107562A
Publication Date:
January 11, 2022
Filing Date:
June 23, 2020
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
H02K15/14; B22D13/02; H02K1/22
Attorney, Agent or Firm:
Kaiyu International Patent Office
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