Improving the Reliability of an Excavator Using Maintenance Management and 2-Parameter Weibull Distribution Model

摘要

Reliability of excavator which will enhance increased profit margins, is a significant issue for themining and civil construction industries. Consequences of prolonged project execution time and extra cost dueto sudden breakdowns are better mitigated by studying the reliability of the equipment and predict the failuresbefore occurrence. This research adopted the 2-parameter Weibull distribution model for reliability analysisand failure prediction of excavator. Results from reliability analysis of excavator showed that reliabilitydecreased from 54.70% to 46.83% between 2014 and 2017, while it was predicted that 8 failures are expected12 months after 2017.