Title:
デュアルタイプの波動歯車装置
Document Type and Number:
Japanese Patent JP6370624
Kind Code:
B2
Abstract:
An externally toothed gear (4) of a dual-type strain wave gearing (1) is provided with first and second external teeth (7, 8) having different teeth numbers, and is flexed into an ellipsoidal shape by a wave generator. When the theoretical values (d 1 , d 2 ) of the radial flexing amounts at major-axis positions of the first and second external teeth (7, 8) flexed into the ellipsoidal shape are expressed by d 1 =m 1 n 1 and d 2 =m 2 n 2 (m 1 and m 2 represent the modules of the first and second external teeth, and n 1 and n 2 represent positive integers), the radial flexing amounts (d 1a , d 2a ) of the first and second external teeth (7, 8) flexed by the wave generator (5) satisfy d 1a =Éd 1 and d 2a = Éd 2 , where 1.25 ¦É¦ 3. Accordingly, a dual-type strain wave gearing can be achieved with which the first and second external teeth having different numbers can be suitably flexed to form excellent mating states with respective internally toothed gears.
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Inventors:
Kiyosawa Yoshihide
Jun Handa
Noboru Takizawa
Zhang New Moon
Jun Handa
Noboru Takizawa
Zhang New Moon
Application Number:
JP2014149372A
Publication Date:
August 08, 2018
Filing Date:
July 23, 2014
Export Citation:
Assignee:
Harmonic Drive Systems Inc.
International Classes:
F16H1/32
Domestic Patent References:
| JP2009156462A |
Foreign References:
| US20110088496 |
Attorney, Agent or Firm:
Shiro Yokozawa