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Determination of Comprehensive Durability Indicators

Journal: Agricultural, Forest and Transport Machinery and Technologies (Vol.8, No. 1)

Publication Date:

Authors : ;

Page : 39-44

Keywords : Durability; Reliability; MTBF; MTTR; Failure Rate; Availability;

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Abstract

Establishing comprehensive reliability indicators is an important aspect for improving the overall durability of equipment. Comprehensive indicators consist of the determination of reliability indicators such as Mean Time between Failure (MTBF), Failure rate (λ), Mean Time to Repair (MTTR) and availability index (Kp). The objective of this paper was to determine these indices on a selected equipment. The failure modes occurring for the calendar year 2021 were identified. The causes of the failure modes mechanism were identified and a method of fault elimination was proposed. For each failure mode, the length of downtime and repair time in hours were determined. Based on this data, we quantified each indicator. We found that even with high equipment availability, it is necessary to address the reduction of the failure-free indicators, in particular by adopting the proposed measures and consequently by a good preventive maintenance setup. The monitored indicators are also important from an Industry 4.0 perspective, as they are part of key performance indices (KPIs) and contribute to reliability optimization and risk management.

Last modified: 2022-05-13 16:17:58