通过对同类型国内、外自润滑关节轴承在湿热环境下无载旋转启动力矩进行对比试验,分析了湿热对轴承无载旋转启动力矩影响的机理及国内、外轴承之间存在的差异和产生原因.结果表明,湿热环境下国产自润滑关节轴承无载旋转启动力矩变化比国外产品大.%The no-load rotational starting torque of same types of self-lubricating spherical bearings at home and abroad under damp heat is compared experimentally,and the mechanism of effects of damp heat on bearing no-load rotational starting torque and differences and reasons between the two are analyzed.The results show that the variation of no-load rotational starting torque of home-made self-lubricating spherical bearings under damp heat is greater than that of foreign products.
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