Failure analysis of a helical gear used in Conveyor belt
Publication Date : 15/03/2020
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This paper reports the investigation on the failure of helical gear used in the conveyor belt. The gear has failed about 7000 hours before the service of the component which is estimated to have a average life about 40000-45000 hours. In this failure it is concluded that the gear has subsequently failed due to the stress developed on the surface of the gear during the working condition of the gear. The main reason of the failure is caused due to the contact stress, fatigue stress, surface pitting on the surface of the gear tooth. The selected working material should withstand the stress concentration levels during the gear motion. After the brief analysis on the helical gear and the working condition, it is learned that one must be careful while analyzing the results and the replacement of any parameter must be thoroughly analyzed before the final decision made.
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