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The intensification of mining requires the increasingly widespread use of a high-performance transport system, i.e. the conveyor transport. At the same time, the requirements for its basic traction and load-bearing element, namely the conveyor belt, which is used in the extraction of mineral raw materials by applying both underground and surface methods, are rising. Increasing the productivity of those transport systems and longer transport distances lead to an increase in the load to which conveyor belts are expo...

The basic structural and functional element of a belt conveyor is the conveyor belt, which is supported by carrying rollers. Research in this area is important for increasing the service life of mining belt conveyor components. The rollers are subject to various forms of wear. Tribological interactions between the roller, the conveyor belt, and the particles of the transported material or impurities from the environment that enter the tribological system cause various forms of mechanical wear. Abrasion is the pred...

The properties of the basic materials of conveyor belts and adhesion between these materials affect the proper functionality and service life of conveyor belts. Their reliability depends on the adhesive force between their structural components. The purpose of this paper was to investigate into the quality of adhesion of the rubber cover layers to the carcass, and of the adhesion between the adjacent textile plies in a rubbertextile conveyor belt. The experiments were aimed at measuring the adhesive force using th...

The dynamic impact loading has significant influence on the conveyor belts operation time. This paper focuses on the tensile properties of fabric conveyor belts subjected to the impact loading induced by dropping a hammer. The induced damage of the conveyor belt was inspected after the drop. The impact of the hammer simulated the belt stress at the chutes where the transported material falls onto the belt. The falling material usually damages the belt on its surface, i.e. the rubber cover layer that protects the b...

Application of rubber at higher temperatures requires sufficient heat resistance. The experimental research was carried out with the rubber intended for use at higher operating temperatures as gaskets for caps in mining. The intakes during the operation of the rubber gasket are accompanied with physical as well as chemical changes that lead to thermal degradation of the material. The mechanical properties (tensile strength, elongation, Shore hardness, and abrasion resistance) of the examined type of rubber were de...

The tensile properties of conveyor belts significantly affect their use in practice. Research is focused on the determination of the influence of sampling direction on the tensile strength and the elongation of 3 types of fabric conveyor belts. The carcass material determines the tensile properties of the conveyor belt. The carcass of a fabric conveyor belt is formed by several layers of textile plies. The textile plies are created by crossing the system of warp and weft fibres. The warp represents a set of fibres...

The belt conveyance plays an important role in mining, bulk material transportation, raw materials processing, and in many other areas (e.g., metallurgy, wood-cutting, and energetics) where large quantities are transported over the distances ranging from a few meters to several kilometres. A conveyor belt, as the basic element of the mining transport, is of particular economic significance. Increasing the belt service life, which can be achieved by reducing the wear of conveyor belts, has a high priority. The top ...

The accelerated ageing affects the quality of an important element of the belt conveyance ? a conveyor belt. This paper analyses the resistance of the belt cover layers to the deterioration caused particularly by the accelerated ageing. The investigation was carried out using the fabric conveyor belts of the P 2000/4 type (4-layer textile belts with a polyamide carcass, the strength of 2,000 N/mm) at different ageing periods. The effect of ageing on the rubber cover layers was identified on the basis of the observ...