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首页> 外文会议>29th Leeds-Lyon Symposium on Tribology Sep 3-6, 2002 University of Leeds, UK >Laboratory-based wear life testing of sliding and rolling contacts - the first step towards technology transfer
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Laboratory-based wear life testing of sliding and rolling contacts - the first step towards technology transfer

机译：基于实验室的滑动和滚动触点的磨损寿命测试-技术转让的第一步

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A transition from mild to severe wear in a sliding or rolling contact denotes surface failure. It also registers the initial stages of the deterioration in a tribological component, such as a bearing or a gear, to machine failure and the need ultimately to perform a maintenance activity. This paper will report on the results of tests performed on a number of machines in the authors' laboratory - four-ball (sliding and rolling modes), pin-on disc and ball bearing fatigue life testing machines. The principal measurements and analyses carried out, during and after testing include friction, temperature and wear, together with surface features and associated wear debris characterisation. The main purpose of the test programme was to simulate wear life conditions that are, by their very nature, either short term, (mild to severe wear transitions - sliding) or, longer term, (rolling contact fatigue) phenomena. In the context of these tests, wear debris analysis provides an important additional source of information with regard to how the wear develops and progresses in each instance. However, it also has an important part to play in linking the behaviour in the laboratory to the conditions that occur in the field that lead to component failure. This latter issue is addressed in the paper by comparing wear debris obtained from laboratory-based tests to that captured during industrial machine operations. The prospects for adopting a designed-out maintenance strategy are discussed.
机译：在滑动或滚动接触中从轻度到严重磨损的过渡表示表面故障。它还记录了诸如轴承或齿轮之类的摩擦学组件劣化的初始阶段，以指示机器故障以及最终需要执行维护活动。本文将报告在作者实验室的多台机器上进行的测试结果，这些机器包括四滚珠（滑动和滚动模式），销盘和滚珠轴承疲劳寿命测试仪。在测试期间和之后进行的主要测量和分析包括摩擦，温度和磨损，以及表面特征和相关的磨损碎片特征。测试程序的主要目的是模拟磨损寿命条件，其本质是短期（轻度到严重的磨损过渡-滑动）或长期（滚动接触疲劳）现象。在这些测试中，磨损碎片分析提供了有关磨损在每种情况下如何发展和发展的重要信息。但是，在将实验室的行为与导致组件故障的现场条件联系起来时，它也起着重要的作用。本文通过将实验室测试获得的磨损碎片与工业机器运行期间捕获的磨损碎片进行比较，解决了后一个问题。讨论了采用有计划的维护策略的前景。

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