Assessing a system reliability: a case study in arm rear axle assembly

Abd Rahman, Nur Awaliah (2015) Assessing a system reliability: a case study in arm rear axle assembly. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This study aims at assessing System Reliability in manufacturing industry. This takes place in the arm rear axle assembly of factory A. The problems arise when the workers need to do other works while waiting the robot to function again. The problem occurs when one of the robot frequently abruptly terminates during the process. Thus, the research was conducted to improve poor reliability of robots as well as the reliability of system. Times to failure were recorded based on historical data. The life data analysis was conducted based on the survival data. The objective is to assess the reliability of robots in the assembly system. In contrast, the series configuration is identified in order to assess reliability of the system. The prediction based on statistical method analysis was applied by analyzing the result of the life data analysis and identifying the causes of failures. The application in Minitab was used as a tool to predict the lifetime of the robot instead to measure the survival probabilities of the individual failure mode that give effect to the performance of reliability system. In conclusion, the improvement was made by analyzing the failure mode and made suggestion regarding on conducting and maintaining the robot in the system.

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