Research on manufacture process FMECA for CNC partsbased on fuzzy evaluation

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Home > Archive>Volume 7, Issue 2, 2015 >142-148

Research on manufacture process FMECA for CNC partsbased on fuzzy evaluation
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                        TAN ZhuangTAN Zhuang
College of Mechanical Science and Engineering, Jilin University, Changchun 130022;Key Laboratory of CNC Equipment Reliability Technique of Machinery Industry, Jilin University, Changchun 130022
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LI GuofaLI Guofa
College of Mechanical Science and Engineering, Jilin University, Changchun 130022;Key Laboratory of CNC Equipment Reliability Technique of Machinery Industry, Jilin University, Changchun 130022
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XU BinbinXU Binbin
College of Mechanical Science and Engineering, Jilin University, Changchun 130022;Key Laboratory of CNC Equipment Reliability Technique of Machinery Industry, Jilin University, Changchun 130022
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WANG SongWANG Song
College of Mechanical Science and Engineering, Jilin University, Changchun 130022;Key Laboratory of CNC Equipment Reliability Technique of Machinery Industry, Jilin University, Changchun 130022
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ZHU GuangZHU Guang
College of Mechanical Science and Engineering, Jilin University, Changchun 130022;Key Laboratory of CNC Equipment Reliability Technique of Machinery Industry, Jilin University, Changchun 130022
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Abstract:

The improved Failure Mode,Effects and Criticality Analysis(FMECA) is carried out for manufacturing process of Computer Numerically Controlled(CNC) machine parts.The risk priority numbers in manufacturing processes are sequenced by trapezoidal fuzzy evaluation.Then the fuzzy comprehensive evaluation is carried out to get the risk grades of the manufacturing processes,through which we can find out the weak link for improvement to increase manufacturing process reliability of CNC parts.

Key words:CNC machine;failure mode,effects and criticality analysis(FMECA);fuzzy evaluation;manufacturing reliability

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TAN Zhuang, LI Guofa, XU Binbin, WANG Song, ZHU Guang. Research on manufacture process FMECA for CNC partsbased on fuzzy evaluation[J]. Journal of Nanjing University of Information Science & Technology,2015,7(2):142-148

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Received:May 13,2014
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Online: April 23,2015
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