Failure probabilistic model of CNC lathes |
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| Authors: | Yiqiang Wang Yazhou Jia Junyi Yu Yuhua Zheng Shangfeng Yi |
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| Affiliation: | Mechanical Engineering Department, Jilin University of Technology, Changchun 130025, People's Republic of China |
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| Abstract: | A field failure analysis of computerized numerical control (CNC) lathes is described. Field failure data was collected over a period of two years on approximately 80 CNC lathes. A coding system to code failure data was devised and a failure analysis data bank of CNC lathes was established. The failure position and subsystem, failure mode and cause were analyzed to indicate the weak subsystem of a CNC lathe. Also, failure probabilistic model of CNC lathes was analyzed by fuzzy multicriteria comprehensive evaluation. |
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| Keywords: | CNC Lathes Field failure Probabilistic model Fuzzy information |
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