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Proceedings Paper

Estimation of uncertainty in CMM cylindricity measurement according to new GPS standard system
Author(s): Ya Zhang; Changtao Ding; Haiqing Du; Xiaodong Hu
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Paper Abstract

New Geometrical Product Specifications (GPS) is the foundation of the technology standards and metrology specifications of mechanical and electric products. GPS estimation of uncertainty in CMM (coordinate measuring machine) measurement can improve the reliability of the verification result. In this paper, a method to estimate the uncertainty in cylindricity CMM measurement is proposed according to the requirements of new GPS standard system. Based on the transparent box model given in ISO/TS 14253-2, the calculation equation of the uncertainty in cylindricity CMM measurement is deduced. And the decision rule based on the compliance uncertainty is adopted to decide whether the cylinder can be accepted or not. The experimental result indicates that the method can not only assure the integrity of the verification result, but also improve the reliability of verification.

Paper Details

Date Published: 13 October 2008
PDF: 6 pages
Proc. SPIE 7127, Seventh International Symposium on Instrumentation and Control Technology: Sensors and Instruments, Computer Simulation, and Artificial Intelligence, 71270O (13 October 2008); doi: 10.1117/12.806277
Show Author Affiliations
Ya Zhang, Zhejiang Industry Polytechnic College (China)
Changtao Ding, Zhejiang Industry Polytechnic College (China)
Haiqing Du, Zhejiang Industry Polytechnic College (China)
Xiaodong Hu, Zhejiang Industry Polytechnic College (China)


Published in SPIE Proceedings Vol. 7127:
Seventh International Symposium on Instrumentation and Control Technology: Sensors and Instruments, Computer Simulation, and Artificial Intelligence

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