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Harmonic reducer gear with beta type gear shape and machining method thereof

A harmonic reducer, tooth shape technology, applied in the direction of components with teeth, belts/chains/gears, portable lifting devices, etc., can solve the problem of low bearing capacity, achieve good rigidity, good conjugate performance, and smooth running smooth effect

Active Publication Date: 2015-03-25
NANJING UNIV OF INFORMATION SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] Although the involute tooth type technology is mature, and the processing and measurement are also very convenient; but for the harmonic reducer, the involute type gear has a low load-carrying capacity and has certain defects.

Method used

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  • Harmonic reducer gear with beta type gear shape and machining method thereof
  • Harmonic reducer gear with beta type gear shape and machining method thereof
  • Harmonic reducer gear with beta type gear shape and machining method thereof

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Embodiment Construction

[0022] The technical solutions provided by the present invention will be described in detail below in conjunction with specific examples. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0023] The invention provides a harmonic reducer gear with a β-shaped tooth shape, including a flexible spline and a rigid spline. Both the flexible spline and the rigid spline have a β-shaped tooth shape.

[0024] Processing method of the present invention is:

[0025] (1) Determine the tooth profile curve of the flexspline: determine the initial modulus of the flexspline according to the selected harmonic reducer, its transmission ratio and the inner diameter of the flexspline; then form a continuous spline according to the selected spline curve Tooth profile curve, as the tooth profile curve of a flexspline, such as figure 1 shown;

[0026] (2) Obtain the t...

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Abstract

The invention provides a harmonic reducer gear with a beta type gear shape. The gear comprises a flexible gear and a rigid gear which both have the beta type gear shape. The gear shape requirement of any harmonic reducer gear can be met, rigidity is good, and operation is stable.

Description

technical field [0001] The invention belongs to the field of gear transmission devices in mechanical engineering, and in particular relates to a harmonic reducer gear with a β-shaped tooth profile and a processing method thereof. Background technique [0002] Harmonic reducer is a new type of reducer that uses planetary gears for transmission. It is mainly composed of three basic components: wave generator, flexible gear and rigid gear. The wave generator makes the flexible gear produce controllable elastic deformation. When the wave generator is installed into the flexible spline, the section of the flexible spline is forced to change from the original circle to an ellipse, and the teeth near both ends of the long axis are completely meshed with the teeth of the rigid spline, while the teeth near both ends of the short axis are It is completely disengaged from the rigid wheel, and the teeth on other sections of the circumference are in a transitional state of meshing and di...

Claims

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Application Information

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IPC IPC(8): F16H55/17F16H55/08
CPCF16H55/08F16H55/17
Inventor 袁安富仲霞莉
Owner NANJING UNIV OF INFORMATION SCI & TECH
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