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JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE)
Mechanical Engineering     
Comprehensive evaluation system for on machine measurement system of parts quality
WANG Lian sheng, XU Yue tong, JIANG Jun hai, XU Guan hua
1.Zhejiang Province Key Lab of Advanced Manufacturing Technology, Zhejiang University, Hangzhou 310027,  China|
2. Suzhou Zijingang Intelligent Manufacturing Equipment Co.Ltd, Kunshan 215300, China|
3. Zhejiang University Kunshan Innovation Institute, Kunshan 215300, China
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Abstract  

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 selfdeveloped 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 onmachine measurement system has good feasibility and practicality in evaluation of measurement system for automated production line.



Published: 01 June 2016
CLC:     
  TH 111  
Cite this article:

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.

URL:

http://www.zjujournals.com/eng/10.3785/j.issn.1008973X.2016.06.011     OR     http://www.zjujournals.com/eng/Y2016/V50/I6/1088


零件质量在机测量系统综合评价体系

通过分析制造标准差和测量系统标准差及其比值这3个指标在不同情况的接受准则,构建综合评价体系区间分布图.根据测量数据在区间分布图的区域分布,分析制造系统过程能力、测量系统测量能力和测量精度,判定在机测量系统是否可行,并提出改进意见.将提出的零件质量在机测量系统综合评价体系,应用于自主研发的电机端盖自动化生产线的在机内径检测与评价.改进后的过程能力指数提高到1.18,测量能力为11.29%,测量精度为9.64%,自动化生产线具有较高的生产效率和经济性,满足产品批量生产的要求.结果表明:在机测量系统综合评价体系在对零件自动化生产线测量系统的评价方面具有很好的可行性和实用性.

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