A method for measuring gear parts
A measurement method and gear technology, applied in the field of precision measurement, can solve the problems of high cost, high dependence on professional measurement instruments, complicated operation, etc., and achieve the effect of low cost, reduced measurement cost, and accurate measurement
Active Publication Date: 2021-05-25
江苏毅合捷汽车科技股份有限公司
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Problems solved by technology
[0005] The present invention provides a measurement method for gear parts to solve the problem in the prior art that in order to ensure the measurement accuracy, it is necessary to purchase official professional measurement modules and other professional measurement instruments at a high price, which is highly dependent on professional measurement instruments and relatively difficult to operate. complex, costly problem
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[0019] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0020] figure 1 is a schematic diagram of a gear structure according to an embodiment of the present invention.
[0021] figure 2 is a schematic diagram of a measurement scheme according to an embodiment of the present invention.
[0022] The invention provides a method for measuring gear parts, comprising the following steps:
[0023] Step 1. Establish a reference coordinate system. Use the open-line scan to scan out the linear profile of each gear; fit the center 2 of each gear profile obtained by the open-line scan into a circle to obtain the major diameter of the gear.
[0024] Step 2. Use the center scan to sweep out the bottom diameter point 1 of each gear, and then fit all the scanned gear bottom diameter points 1 into a circle...
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The invention provides a method for measuring gear parts. Firstly, the profile of the gear is scanned, and then a theoretical plane is constructed. Then, relevant parameters of the gear are obtained by constructing the intersection point of the linear profile of the gear and the theoretical plane, and the scanning function of PC-DMIS is used. The parameters of gear parts, such as the major diameter, middle diameter and bottom diameter of gears, can be obtained by using advanced technical reorganization and geometric structure principles. The measurement is accurate, easy to operate, and low in cost. It can meet the parameter measurement requirements of development-oriented enterprises for gear parts. The measurement cost is greatly reduced. Through the present invention, in order to ensure the measurement accuracy in the prior art, it is necessary to purchase official professional measuring modules and other professional measuring instruments at a high price, the problems of high dependence on professional measuring instruments, relatively complicated operation and high cost.
Description
technical field [0001] The invention relates to the technical field of precision measurement, in particular to a method for measuring gear parts. Background technique [0002] As people pay more and more attention to product quality and product precision, more and more modern industrial and mining enterprises have higher and higher precision requirements for mechanical equipment. This forces the production process of components to not only fully consider the rationality of design and the precision of processing, but also pay attention to the low cost and processing friendliness of products. [0003] As the basic parts for transmitting motion and power, gears play a very important role in the development of industry. Due to the rapid development of automobiles, robots, and aerospace industries, the demand for gear products has been greatly stimulated, thus driving the rapid growth of my country's gear manufacturing industry. In order to meet the requirements of mass product...
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IPC IPC(8): G01M13/021
CPCG01M13/021
Inventor 余朋刘全
Owner 江苏毅合捷汽车科技股份有限公司