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TOTAL COST OVERSHIP INDEX AS A SUITABLE TOOL FOR SERVICE QUALITY ASSESSMENT OF THE CONVEYOR BELTS
Abstract
Pipe conveyors belong to the most perspective systems for continuous transport technologies intended for the transport of bulk materials in various industries. In addition to the product and process quality, another important component of the quality evaluation system for pipe conveyors is the service quality. Service quality evaluation is based on the service quality of enclosed rubber conveyor belts which represent the most sensitive and the most expensive structural component of pipe conveyors. This article analyses the key indicators that measure suitability of the deployment of conveyor belts in particular operating conditions. These indicators evaluate whether conveyor belts meet the capacity requirements; however, they alone are not sufficient for the evaluation of service quality and must be supplemented with a quality index. The article presents results of the service quality evaluation for 21 enclosed rubber conveyor belts used in the transport of iron ore, which was carried out following the evaluation of their suitability in terms of their transport capacity. Determination of their suitability or unsuitability for particular operating conditions was followed by the identification of the TCO quality index for the given conveyor belts which have been categorised into three quality classes.
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