Title:
METHOD FOR MANUFACTURING STABILIZER
Document Type and Number:
WIPO Patent Application WO/2023/189958
Kind Code:
A1
Abstract:
A method for manufacturing a stabilizer according to the present invention is fabricated using a tubular member, the manufacturing method comprising: a bending and molding step for bending the tubular member to mold the same into the shape of the stabilizer; a quenching step for quenching the tubular member after the molding step; an annealing step for annealing the tubular member after quenching; an autofrettage step for introducing a working medium inside the tubular member after the annealing step to impart a residual stress inside the tubular member; a terminal molding step for molding an end part of the tubular member after the autofrettage treatment; and a shot peening step for subjecting an outer surface of the tubular member to shot peening after the terminal molding step.
Inventors:
HAYASHIDA HIROKI (JP)
YAMAUCHI YUICHIRO (JP)
YAMAUCHI YUICHIRO (JP)
Application Number:
PCT/JP2023/011289
Publication Date:
October 05, 2023
Filing Date:
March 22, 2023
Export Citation:
Assignee:
NHK SPRING CO LTD (JP)
International Classes:
B60G21/055
Foreign References:
| JP2020038010A | 2020-03-12 | |||
| US20020069688A1 | 2002-06-13 | |||
| JP2001152315A | 2001-06-05 | |||
| JP2016179765A | 2016-10-13 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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