Firstly, the manufacturing standard deviation, the standard deviation of measurement system and the ratio between them in different situations were calculated. And the comprehensive evaluation system interval distribution chart was obtained. Secondly, the process capability of manufacturing system, measurement capability and measurement accuracy were analyzed according to the position of measurement data in the comprehensive evaluation system interval distribution chart. Also, the improvement suggestions were given. Finally, the comprehensive evaluation system was applied for detection and evaluation of the inner diameter of the motor cover manufactured by selfdeveloped motor cover automated production line. After improvements, the process capability index increases to 1.18, the measurement capability achieves 11.29%, and the measurement accuracy achieves 9.64%.The automated production lines have high efficiency and economy, meeting product requirements of mass production. Results show that comprehensive evaluation system for onmachine measurement system has good feasibility and practicality in evaluation of measurement system for automated production line.
WANG Lian sheng, XU Yue tong, JIANG Jun hai, XU Guan hua. Comprehensive evaluation system for on machine measurement system of parts quality. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 2016, 50(6): 1088-1094.
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