Beveled wheel tooth error three-coordinate measuring method

A three-coordinate measurement and tooth profile error technology, applied in the field of measurement, can solve problems such as helical gear tooth profile error

Inactive Publication Date: 2008-06-04
AVIC HUIYANG AVIATION PROPELLER
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  • Abstract
  • Description
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Problems solved by technology

[0005] The present invention is designed to solve the problems existing in the existing detection methods and provides a three-coordinate measurement method for the tooth p

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  • Beveled wheel tooth error three-coordinate measuring method
  • Beveled wheel tooth error three-coordinate measuring method
  • Beveled wheel tooth error three-coordinate measuring method

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Embodiment Construction

[0058] The technical scheme of the present invention will be described in further detail below in conjunction with accompanying drawing and embodiment:

[0059] Referring to the accompanying drawings 1 to 3, the three-coordinate measurement method of the helical gear tooth profile error is realized by programming, and the program is stored in the central computer of the three-coordinate measuring machine, and its operation process is according to this The steps of the inventive method are carried out:

[0060] (1) Determine the end position of helical gear tooth profile error measurement by calculation

[0061] First determine the tooth shape data of the helical gear to be measured, including the number of teeth, modulus and helix angle, and input it into the central computer of the three-coordinate measuring machine, as shown in box 1 in Figure 3.

[0062] 1.1 Determine the radius of the termination circle at the termination position, which can be judged in the following two...

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Abstract

The invention provides a three-coordinate measuring method for bevel gear tooth form error; the procedures of the method are that: (1) the stop position of measuring bevel gear tooth form error is defined by calculation; (2) positions of other measuring points on the checking part are defined; (3)the actual tooth face is measured by taking the stop position and the theoretical coordinates of measuring points as object points; (4) the tooth form error is worked out. By applying the method of the invention in the tooth form error measurement, the repeatability error can be controlled below 0.004mm, thereby markedly improving the measuring accuracy and being capable of measuring the involute gear below six-grade accuracy. The trend of the involute form of the measuring result is relatively obvious, based on which the depth of the tooth root and the tooth head can be analyzed. According to the measuring result, the gear-cutting machine is guided to be adjusted, achieving good effects.

Description

technical field [0001] The invention relates to a three-coordinate measurement method for the profile error of a helical gear, belonging to the technical field of measurement. Background technique [0002] It is a relatively big problem to detect the helical gear on the three-coordinate measuring machine and guide the machining of the gear through the detection result. In order to meet the detection requirements of helical gears during processing, it is necessary to determine a set of methods and procedures for detecting helical gears on a three-coordinate measuring machine. The currently used methods and procedures have been found to have some problems in the measurement of tooth profile errors. . First of all, the original detection method did not consider the measurement length of the "inspection part" of the tooth profile in the design, but estimated the end point of the measurement part by visual inspection during actual measurement, which may easily cause the measurem...

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Application Information

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IPC IPC(8): G01B21/00G01B21/04G01B21/08G01M13/02
Inventor 许士军常建强高惠史燕明
Owner AVIC HUIYANG AVIATION PROPELLER
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