Title:
METHOD FOR MANUFACTURING GEAR AND GEAR MANUFACTURED BY SAME METHOD
Document Type and Number:
WIPO Patent Application WO/2017/116127
Kind Code:
A3
Abstract:
The present invention relates to a method for manufacturing a gear and a gear manufactured by the method, the method comprising the steps of: preparing a material; manufacturing a semi-finished gear having a plurality of gear teeth by cutting the material to form a tooth profile in the material (tooth profile cutting step); heat-treating the semi-finished gear having the tooth profile cut therein (heat treatment step); and roll-forming the heat-treated semi-finished gear (roll forming step), wherein the gear teeth of the semi-finished gear having the tooth profile cut therein have allowance portions on both sides thereof in the circumferential direction, and in the roll forming step, the allowance portions are pressed by a roll forming die so as to manufacture the semi-finished gear into a gear.
Inventors:
LEE KWANG HUI (KR)
Application Number:
PCT/KR2016/015367
Publication Date:
August 24, 2017
Filing Date:
December 28, 2016
Export Citation:
Assignee:
LEE KWANG HUI (KR)
International Classes:
B23P15/14; B21H5/00; B23F1/06; B23F19/05; B23F19/06; B23P13/02; B23P17/02
Foreign References:
| KR960033624U | 1996-11-19 | |||
| KR20110116536A | 2011-10-26 | |||
| JP2002046030A | 2002-02-12 | |||
| JP2679741B2 | 1997-11-19 | |||
| JP2012096251A | 2012-05-24 |
Other References:
See also references of EP 3398710A4
Attorney, Agent or Firm:
PATENT LAW FIRM GRAND KOREA (KR)
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