Abstract
There are many complex factors for the reliability of CNC machine tool assembly process. For this question, reliability factors system of a CNC machine tool assembly process is established by analyzing systematically and comprehensively using 5M1E method. For lots of uncertainties in evaluating the reliability of the CNC machine tool assembly process, a multiple target multi-level fuzzy comprehensive model is established by fuzzy mathematical theory. At the same time, the relationship of common reliability and fuzzy reliability is found, and weights of the various factors are obtained by expert scoring method and AHP method. The overall level of CNC machine tool reliability can be grasped by reliability comprehensive evaluation of its assembly process. Lastly, a certain type of CNC lathe is taken as an example to illustrate the validation of the model.
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Acknowledgements
This work is partially supported by the National Nature Science Foundation (China under Grant No. 51575070); and National Major Scientific and Technological Special Project for “High-grade CNC Basic Manufacturing Equipment” (China under Grant Nos. 2016ZX04004-005; 2013ZX04012-012).
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Zhang, X., Zhang, G., Gong, X., Li, Y., Ran, Y. (2018). Reliability Fuzzy Comprehensive Evaluation of All Factors in CNC Machine Tool Assembly Process. In: Jia, L., Qin, Y., Suo, J., Feng, J., Diao, L., An, M. (eds) Proceedings of the 3rd International Conference on Electrical and Information Technologies for Rail Transportation (EITRT) 2017. EITRT 2017. Lecture Notes in Electrical Engineering, vol 482. Springer, Singapore. https://doi.org/10.1007/978-981-10-7986-3_12
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DOI: https://doi.org/10.1007/978-981-10-7986-3_12
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