RV speed reducer cycloidal gear contour profiling method based on deformation quantity compensation

A cycloidal gear tooth and deformation technology, which is applied in the direction of instruments, special data processing applications, electrical digital data processing, etc., can solve the problem of affecting the transmission stability and transmission accuracy, and does not consider the force and deformation of the cycloidal pin wheel meshing pair transmission, etc. problem, to achieve the effect of improving stiffness and eliminating transmission error

Inactive Publication Date: 2017-10-17
SOUTH CHINA UNIV OF TECH +1
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Problems solved by technology

However, these modification methods do not take into account the force and deformation of the cycloid pin wheel meshing pair transmission, especially when the RV reducer i

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  • RV speed reducer cycloidal gear contour profiling method based on deformation quantity compensation
  • RV speed reducer cycloidal gear contour profiling method based on deformation quantity compensation
  • RV speed reducer cycloidal gear contour profiling method based on deformation quantity compensation

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Embodiment Construction

[0048]The following figures will further illustrate the present invention in conjunction with the accompanying drawings and embodiments, and this embodiment should not be regarded as a limitation of the present invention.

[0049] In this embodiment, the cycloidal pin tooth meshing pair of RV40E is taken as an example, and its basic parameters are:

[0050] R z = 64; Z p =40;z g = 39; e = 1.3; r z =3.

[0051] Step 1: Use three traditional modification methods to obtain the cycloid tooth profile M

[0052] According to the method described in literature [1], solve to obtain the appropriate equidistant modification amount Δr rp =-0.105 and distance modification Δr p =-0.12

[0053] Step 2: Carry out force analysis on the meshing pair of cycloidal pinwheel, and calculate the tooth profile variable of cycloidal tooth profile

[0054] 1) Calculate the maximum load F of the tooth with the maximum force max

[0055]

[0056] Assuming that the RV reducer works under the ...

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Abstract

The invention discloses an RV speed reducer cycloidal gear contour profiling method based on deformation quantity compensation, and relates to the field of design and manufacturing of an RV speed reducer cycloidal gear. On the basis of the profiling gear contour determined by three conventional gear contour profiling methods, the extrusion deformation quantity of the cycloidal gear contour in the practical operation process is used as the profiling quantity to be compensated back into the gear contour of the cycloidal gear; the condition better conforms to the cycloidal gear contour profiling of an RV speed reducer applied to high-precision and high-load conditions; the transmission error of the RV speed reducer under the high-load condition can be further eliminated; and the rigidity of the speed reducer is improved. The method provided by the invention comprises the following steps of 1, obtaining the cycloidal gear contour M by using the three conventional profiling methods; 2, performing stress analysis on a cycloid pin gear engagement pair; and obtaining the cycloidal gear contour deformation quantity through calculation; and 3, using the deformation quantity as the profiling quantity to be compensated back into the cycloidal gear contour M for obtaining the final profiling contour.

Description

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Claims

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Application Information

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Owner SOUTH CHINA UNIV OF TECH
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