ON WEAR PROCESSES IN PIN JOINTS IN CATERPILLARS OF LARGE-SIZE WORKING MACHINES

Abstract eng:
The paper is focused on wear processes which occur in undercarriage units during operation of large-size working machines. Special attention is paid to pin joint pairs which have the biggest influence on durability of driving units and for this reason the mobility of the entire large-size working machine as well. Two main negative processes which can take place in elements of those joints while such a machine is moving are distinguished: a gradual degradation and sudden damages. Those phenomena are discussed and illustrated.

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