Improved Geometrical Product Specifications (GPS) standards system is the foundation of the technology standards and metrology specifications of mechanical and electric products. GPS estimation of uncertainty should assure the integrity and reliability of the verification result of products. According to the requirements of the improved GPS system, the decision rule based on compliance uncertainty is adopted in this paper to decide whether the flatness can be accepted or not. Then the calculation equation of compliance uncertainty in three-dimensional flatness measuring process is deduced based on the basic principle of least-square verification and the transparent box model given in ISO/TS 14253-2. An experimental research is also given to validate the method proposed in this paper.
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共 3 条
[1]
International Organization for Standardization, 1998, 142531 ISO
[2]
International Organization for Standardization, 1999, 142532 ISOTS