Title:
ロボットおよび歯車装置
Document Type and Number:
Japanese Patent JP6848669
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a robot capable of effectively improving a lubrication life of lubricant used for a gear device, and the gear device.SOLUTION: A robot comprises: a first member; a second member provided in a rotatable manner with respect to the first member; and a gear device transmitting driving force from one side to the other side of the first member and the second member. The gear device includes: internal teeth and external teeth being provided in the middle of a transmission path of the driving force and engaging with one another; and lubricant arranged among the internal teeth and the external teeth. An average crystal grain diameter of a constituent material of the external teeth is smaller than an average crystal grain diameter of a constituent material of the internal teeth.SELECTED DRAWING: Figure 1
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Inventors:
Masaaki Sakata
Application Number:
JP2017096344A
Publication Date:
March 24, 2021
Filing Date:
May 15, 2017
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
F16H1/32; B25J17/00; F16H57/04
Domestic Patent References:
| JP200683905A | ||||
| JP59168045U | ||||
| JP2002307237A | ||||
| JP2013170295A | ||||
| JP5613421A |
Attorney, Agent or Firm:
Tatsuya Masuda
Kazuo Asahi
Kazuo Asahi