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Gear shape design method of three-dimensional high-rigidity harmonic reducer

A technology of harmonic reducer and design method, applied in the direction of gear teeth, mechanical equipment, components with teeth, etc., can solve the problems of poor resistance to torsional deformation, small bearing capacity, short service life, etc. Torsional deformation ability, high load-carrying capacity, effect of prolonging service life

Active Publication Date: 2016-11-09
铂睿(山东)精密工业有限公司
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Problems solved by technology

[0006] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a tooth profile design method for a three-dimensional high-rigidity harmonic reducer to solve the problems in the prior art that the harmonic gear reducer has poor resistance to torsional deformation, load-carrying Small capacity, short service life and difficult gear processing

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  • Gear shape design method of three-dimensional high-rigidity harmonic reducer
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[0031] The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the related invention, but not to limit the invention. In addition, it should be noted that, for the convenience of description, only the parts related to the invention are shown in the drawings.

[0032] It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0033] Please refer to figure 1 As mentioned above, the harmonic reducer obtained by implementing the tooth profile design method of the three-dimensional high-rigidity harmonic reducer provided by the embodiment of the present invention, wherein...

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Abstract

The invention discloses a gear shape design method of a three-dimensional high-rigidity harmonic reducer. The harmonic reducer comprises a wave generator, a rigid gear and a flexible gear. The rigid gear is engaged with the flexible gear. The wave generator is in contact with the inner wall of the flexible gear. Both the rigid gear and the flexible gear are involute gears. The tooth number of the rigid gear is Z1, the tooth number of the flexible gear is Z2, and Z1-Z2=2; the modification coefficient of the rigid gear is x1, the modification coefficient of the flexible gear is x2, x1<x2, and the modification difference delta x=x1-x2; and material removing and shaping treatment is conducted on the two sides or top of the addendum circle of the rigid gear and / or the flexible gear. According to the scheme, implementation is convenient, the machining cost is low, the purpose of large-area engagement is achieved, the torsional deformation resistance and bearing capacity of the harmonic reducer are improved, and the service life of the harmonic reducer is prolonged.

Description

technical field [0001] The present application generally relates to the technical field of harmonic reducers, and in particular, to a tooth profile design method of a three-dimensional high-rigidity harmonic reducer. Background technique [0002] Rigidity is an important index to evaluate the performance of harmonic gear reducer. Good rigidity means that the harmonic gear reducer has good resistance to torsional deformation, large bearing capacity and long service life. [0003] At present, there are mainly the following methods for improving the rigidity of harmonic gear reducers: [0004] (1) Improve the strength of the gear by changing the gear material. Chinese patent document CN201180014539.7 discloses a technical solution for improving the strength of the gear by heat-treating the flexible wheel of the harmonic gear reduction device to change the metal crystal phase structure. Chinese patent document CN201410372571.8 discloses that gear materials with high fatigue st...

Claims

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Application Information

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IPC IPC(8): F16H55/08B23F21/04B23F21/16
CPCF16H55/08B23F21/04B23F21/16F16H55/0833F16H55/088F16H2057/0087
Inventor 吴文
Owner 铂睿(山东)精密工业有限公司
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