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Title:
CONVEYANCE SYSTEM, ROCKING-DIE FORGING METHOD, ROCKING-DIE FORGING APPARATUS, BEARING MANUFACTURING METHOD, VEHICLE MANUFACTURING METHOD, AND MACHINERY MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/159935
Kind Code:
A1
Abstract:
Through an opening (front-side opening (25)) provided in an exterior (17) constituting a rocking-die forging apparatus (16), a movable body (21) holding a workpiece (hub unit bearing (1)) is carried in to the inner space (23) of the exterior (17) from the outer space of the exterior (17) in the horizontal direction while being guided by a guide member (20). After completion of the carrying-in step, the workpiece is subjected to rocking-die forging by use of a shaping die (18).

Inventors:
HAGIWARA Nobuyuki (5-50 Kugenumashinmei 1-chome, Fujisawa-sh, Kanagawa 01, 〒2518501, JP)
ISHII Atsuhiro (5-50 Kugenumashinmei 1-chome, Fujisawa-sh, Kanagawa 01, 〒2518501, JP)
KIKUCHI Tokumasa (5-50 Kugenumashinmei 1-chome, Fujisawa-sh, Kanagawa 01, 〒2518501, JP)
KAMODA Tsuyoshi (1 Ohnuma 1-chome, Hanyu-sh, Saitama 06, 〒3488506, JP)
Application Number:
JP2019/005014
Publication Date:
August 22, 2019
Filing Date:
February 13, 2019
Export Citation:
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Assignee:
NSK LTD. (6-3 Ohsaki 1-chome, Shinagawa-ku Tokyo, 60, 〒1418560, JP)
International Classes:
B21J9/02; B21D39/00; B21K1/05; B21K27/00; F16C19/38; F16C33/64; F16C35/063
Foreign References:
JP5239933B22013-07-17
JPS6277638U1987-05-18
JPS553062B21980-01-23
JPH0237832U1990-03-13
JPS5514186Y21980-03-31
JPH0230350A1990-01-31
JP2018023722A2018-02-15
JP2013091067A2013-05-16
Attorney, Agent or Firm:
TANAI Sumio et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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