Optics and Precision Engineering, Volume. 30, Issue 17, 2100(2022)

Measuring methods and instruments of high precision gear helix artifact

Xiaoyan LI2... Siying LING1,2,*, Ming LING2, Honglin REN2, Zhaoyao SHI3, and Liding WANG12 |Show fewer author(s)
Author Affiliations
  • 1Key Laboratory for Precision & Non-traditional Machining of Ministry of Education, Dalian University of Technology, Dalian6023, China
  • 2Key Laboratory for Micro/Nano Technology and System of Liaoning Province, Dalian University of Technology, Dalian11603, China
  • 3College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing100124, China
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    Gear helix deviation is an important index for evaluating gear accuracy class and bearing uniformity, and it is one of the four mandatory inspection items specified in the national standard for gear GB/T 10095.1-2008. The datum for tracing the source of gear helix deviation and value transmission is the gear helix artifact. To realize high-precision helix deviation measurement, studies have considered the perspectives of high-precision helix artifact structure, manufacturing, and development of high-precision special measuring instrument, which have improved the measurement accuracy of helix deviation to a certain extent. However, the structural parameters of existing helix artifact and the measurement uncertainty of existing special measuring instruments do not meet the specification and measurement requirements of a Class-1 gear helix artifact in China, respectively. This paper summarizes two conventional measurement methods and instruments of helix deviation, followed by a summary of the design and structural characteristics of gear helix artifacts and the research results of special measuring instruments for high-precision gear helix deviation measurement. A pure rolling measurement method and instrument of a gear helix artifact with an equal common normal is proposed in line with the Chinese national standard.

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    Xiaoyan LI, Siying LING, Ming LING, Honglin REN, Zhaoyao SHI, Liding WANG. Measuring methods and instruments of high precision gear helix artifact[J]. Optics and Precision Engineering, 2022, 30(17): 2100

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    Paper Information

    Category: Micro/Nano Technology and Fine Mechanics

    Received: Feb. 12, 2022

    Accepted: --

    Published Online: Oct. 20, 2022

    The Author Email: LING Siying (lucklin168@163.com)

    DOI:10.37188/OPE.20223000.0051

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