Reliability evaluation on CNC lathes based on the modified L-M method
YU Jie1,2, SHI Yao-lin1, SHEN Gui-xiang3, JIA Ya-zhou3
1.Laboratory of Computational Geodynamics,Graduate University of Chinese Academy of Sciences,Beijing 100049,China;2.Mechanical Engineering College,Changchun University,Changchun 130022,China;3.Mechanical Engineering College,Jilin University,Changchun 130025,China
Abstract:
Equivalent ways commonly used in engineering works are not effective to estimate the reliability of tandem system based on L-M method.One modified L-M method is an important means to estimate the reliability of CNC lathes.A method of using two named confidence limits for the estimation is put forward.Fitting results of the sub-systems of CNC machine tools are estimated.And the scattered level of confidence limits facing the reliability matrix of sub-systems can be clearly seen.
Key words: L-M method CNC lathes reliability evaluation confidence limits scattered level
DOI：10.11916/j.issn.1005-9113.2009.05.014
Clc Number:TG519.1
Fund:
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Reliability evaluation on CNC lathes based on the modified L-M method
本站小编 哈尔滨工业大学/2019-10-23
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