ANALYSIS OF THE PROCESS OF WEAR OF A BRONZE–ALLOY CAST IRON KINEMATIC PAIR
Journal Title: Tribologia - Year 2010, Vol 232, Issue 4
Abstract
The paper presents the results of tests on the wear of a bronze–alloy cast iron kinematic pair. Such a kinematic pair is applied in the feed mechanisms (worm – worm rack) of heavy machine tools. The experiment was conducted for dry friction with variable cast iron hardness values, unit pressures, and friction process rates. The wear of each element of the pair was determined. The results are presented in diagrams and in the form of wear intensity relationships. It has been found that the increase in alloy cast-iron hardness reduces the magnitude of wear of both pair elements. Moreover, the wear intensity relationship indicates that the process rate influences the wear magnitude more strongly than the unit pressure does, which is advantageous for this system, since increased loads in this mechanism are accompanied by lower loads.<br/><br/>
Authors and Affiliations
Henryk Czarnecki
Keywords
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