This paper investigates the influence of bearing's surface finish and clearance on its wearability obtained by simulating tests. The method of the wear test and measurement are briefly described.

本文介绍模拟试验中轴承表面光洁度和配合间隙与磨损的关系，同时简述了磨损试验和测量方法。

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The roll disk wearing testing machine is used to study the wearability of alloy cast iron after laser melting. The test result shows that the wear weightlessness is reduced greatly.

应用对滚圆盘磨损试验机研究了合金铸铁经激光熔融处理后的耐磨性，试验结果指出，激光处理试样的磨损失重大为减少。

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