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1 2017

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Possibilities of increasing the durability of chain wheels of armoured-face conveyors

Wieczorek A.

Transport Problems

2017

T. 12, z. 3

71--82

The main objective of the study was to demonstrate the possibility of replacing the materials of domestic and foreign production currently used for chain drums with alternative materials. ADIs were selected as materials that may replace the cast steels used so far. L35GSM cast steel, commonly used for mining chain wheels and austempered ductile iron, conforming with the requirements of EN-GJS-1400-1 quality grade were subjected to wear tests. On the basis of the experimental studies it has been observed that for almost all the combinations of destructive factors considered, the ADI in question was characterised by a wear resistance better than that in the case of the L35GSM cast steel used so far. In addition, it has been found that the ADI has favourable features predestining it for use in the production of chain drums for armoured-face conveyors.