Title:
MANUFACTURING METHOD OF EXTERNAL GEAR OF FLEXIBLE MESHING TYPE GEAR DEVICE, AND FLEXIBLE MESHING TYPE GEAR DEVICE
Document Type and Number:
Japanese Patent JP2014234925
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an external gear that is hard to generate pitching by ensuring necessary toughness as an external gear of a flexible meshing type gear device, and having high hardness.SOLUTION: A manufacturing method of an external gear 16 of a flexible meshing type gear device 12, which includes an internal gear 18 having rigidity, the external gear 16 having flexibility and internally meshed into the internal gear 18, and an excitation body 14 bendingly deforming the external gear 16, includes a hardening step, and a tempering step of tempering a base member 16 m of the external gear 16 hardened by the hardening step from 150-220°C. In the manufacturing method, the external gear 16 comprises SNCM439 or SCM440.
Inventors:
NISHIZAWA SEIJI
Application Number:
JP2013119237A
Publication Date:
December 15, 2014
Filing Date:
June 05, 2013
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES
International Classes:
F16H55/06; C21D9/32; F16H1/32
Attorney, Agent or Firm:
Takehiro Makino
High arrow 諭
Keisuke Matsuyama
High arrow 諭
Keisuke Matsuyama
Previous Patent: GEAR DEVICE, AND TRANSFER APPLYING GEAR DEVICE THERETO
Next Patent: VEHICLE GEARSHIFT CONTROL DEVICE AND METHOD
Next Patent: VEHICLE GEARSHIFT CONTROL DEVICE AND METHOD