Title:
SINTERED GEAR MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2020/226111
Kind Code:
A1
Abstract:
This sintered gear manufacturing method includes a step of preparing a cylindrical green compact, a step of cutting gear teeth on the green compact with a hob, and a step of sintering the green compact subjected to the gear cutting, wherein in the hob, wherein the ratio of the number of cutting edges per circle to the number of threads is more than 8.
Inventors:
SHIMAUCHI KAZUNARI (JP)
UENO TOMOYUKI (JP)
ISHIMINE TOMOYUKI (JP)
NODA MUNEHIRO (JP)
UENO TOMOYUKI (JP)
ISHIMINE TOMOYUKI (JP)
NODA MUNEHIRO (JP)
Application Number:
PCT/JP2020/018196
Publication Date:
November 12, 2020
Filing Date:
April 28, 2020
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO ELECTRIC SINTERED ALLOY LTD (JP)
SUMITOMO ELECTRIC SINTERED ALLOY LTD (JP)
International Classes:
B22F3/10; B22F5/08; B23F17/00; B23P15/14; C22C38/00; C22C38/58; B23F21/16
Domestic Patent References:
| WO2017175772A1 | 2017-10-12 |
Foreign References:
| JPS56130402A | 1981-10-13 | |||
| JP2015208806A | 2015-11-24 | |||
| JP2014514172A | 2014-06-19 | |||
| JPS6284916A | 1987-04-18 |
Attorney, Agent or Firm:
YAMANO Hiroshi et al. (JP)
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