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Method for detecting non-circular gear based on coordinate method

A non-circular gear and detection method technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problem of non-circular gear detection, etc., and achieve the effect of high detection efficiency and improved detection accuracy.

Active Publication Date: 2017-01-11
SHANXI PINGYANG IND MACHINERY
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Problems solved by technology

[0006] In order to solve the problem that the existing gear measurement method cannot detect non-circular gears, the present invention provides a non-circular gear detection method based on the coordinate method

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  • Method for detecting non-circular gear based on coordinate method
  • Method for detecting non-circular gear based on coordinate method
  • Method for detecting non-circular gear based on coordinate method

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Embodiment Construction

[0014] A method for detecting non-circular gears based on a coordinate method, using the following steps:

[0015] a. Collect coordinate points on the tooth profile of non-circular gears;

[0016] b. According to the non-circular gear pitch curve equation R=f(φ), and use Formulated as Cartesian coordinates, using the equivalent gear method to establish the curve model of the theoretical tooth profile;

[0017] c. Make the tangent line from the measured point of the tooth profile to the corresponding gear base circle, and find the length from the measured point to the tangent point, that is, the measured extension length L ai , and then find the length from the intersection point of the tangent line or the corresponding theoretical tooth profile curve along the long line to the tangent point, that is, the theoretical extension L ni , the difference between the measured span length and the theoretical span length is the deviation e of the measured point of the tooth profile f...

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Abstract

The invention particularly relates to a method for detecting a non-circular gear based on a coordinate method, which solves the problem of failure to detect the non-circular gear in the existing gear measuring method. The method for detecting the non-circular gear based on the coordinate method comprises the following steps of a, collecting coordinate points on the tooth contour of the non-circular gear; b, building a theoretical tooth contour curve model; c, calculating and processing the total deviation Falpha of the tooth contour; d, calculating and processing the shape deviation ffalpha of the tooth contour; e, calculating and processing the inclining deviation fHalpha of the tooth contour; f, calculating and processing the deviation fpt of single tooth space; g, calculating and processing the accumulated deviation Fpk of tooth space; h, calculating and processing the accumulated main deviation Fp of tooth space; i, calculating and processing the deviation Esn of tooth thickness; j, calculating and processing the radial runout Fr. The method has the advantages that the detection accuracy is greatly improved, and the detection efficiency is higher.

Description

technical field [0001] The invention relates to a gear detection method, in particular to a non-circular gear detection method based on a coordinate method. Background technique [0002] The non-circular gear mechanism transmits the motion and power between any two shafts in space in the form of variable transmission ratio. It has the advantages of both the cam mechanism and the cylindrical gear mechanism, and can realize variable speed rotary transmission. With the modernization of the industry, non-circular gears are increasingly used in industry. [0003] Like cylindrical gears, the quality control of non-circular gears also requires detection of error items such as tooth profile deviation, tooth pitch deviation, cumulative tooth pitch deviation, tooth thickness deviation, radial runout, etc., but due to the particularity of non-circular gears, Its measurement method is also very different from that of ordinary cylindrical gears and bevel gears. [0004] The measurement...

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/17G06F30/20G06F2119/18
Inventor 张栋郑秋忠梁新果
Owner SHANXI PINGYANG IND MACHINERY
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