Title:
ROTARY FORGE DEVICE, ROTARY FORGING METHOD, METHOD FOR MANUFACTURING HUB UNIT BEARING USING ROTARY FORGING METHOD, AND VEHICLE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/159670
Kind Code:
A1
Abstract:
[Problem]
To provide a structure that achieves a reduction in size for a rotary forge device equipped with a spherical seat having a shaft that swings and rotates together with a mold.
[Solution]
The other end portion in the axial direction of a swinging shaft 13 is supported in a state in which movement toward one side (the lower side) in the axial direction with respect to a drive mechanism 17 is prevented, and a member for preventing the swinging shaft 13 from moving toward one side in the axial direction with respect to a frame 10 is not included at a portion of the swinging shaft 13 positioned between a convex spherical seat 14 and the drive mechanism 17 in the axial direction.
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Inventors:
MARUNO TETSUROU (JP)
HAGIWARA NOBUYUKI (JP)
KIKUCHI TOKUMASA (JP)
KOYAMA HIROSHI (JP)
HAGIWARA NOBUYUKI (JP)
KIKUCHI TOKUMASA (JP)
KOYAMA HIROSHI (JP)
Application Number:
PCT/JP2018/007486
Publication Date:
September 07, 2018
Filing Date:
February 28, 2018
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
B21J9/02; B21K1/40; F16C23/08
Foreign References:
JPS5048841U | 1975-05-14 | |||
JPS60227939A | 1985-11-13 | |||
JP2017002926A | 2017-01-05 | |||
JP2000343905A | 2000-12-12 | |||
JP2003083353A | 2003-03-19 | |||
JP2013091067A | 2013-05-16 | |||
JP2015077616A | 2015-04-23 |
Other References:
See also references of EP 3590624A4
Attorney, Agent or Firm:
KIWA INTERNATIONAL (JP)
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