Reliability Analysis of Parallel Manufacturing Systems with Two Machines

[+] Author and Article Information
K. Hitomi

Department of Industrial and Mechanical Engineering, Osaka University, Suita-shi Yamada-kami, Osaka-fu, Japan

M. Nakajima

Department of Textile Engineering, Kyoto University of Industrial Arts and Textile Fibers, Kyoto-shi Sakyo-ku Matsugasaki, Kyoto-fu, Japan

N. Takahashi

Matsue Technical College, Matsue-shi Nishiikumacho 14-4, Shimane-ken, Japan

J. Eng. Ind 101(3), 250-254 (Aug 01, 1979) (5 pages) doi:10.1115/1.3439504 History: Received July 24, 1978; Online July 15, 2010


A stochastic mathematical model was built and analyzed by using the reliability theory for a manufacturing system in which two machines are arranged in parallel. Under the condition that the system is required to be operated at a constant rate of production, the variation of reliability and failure rate of cutting tools with the lapse of time were investigated, using the stress-strength model in failure physics. A time interval of tool replacement in the continuous operation and a time to failure for a manufacturing system which is composed of two lathes were also investigated.

Copyright © 1979 by ASME
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