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为了研究机车柴油机缸套—活塞环材料的摩擦学性能，我们设计并制定了一台往复式摩擦磨损试验机．该试验机可在一定范围内实行载荷、速度、润滑量的单因素控制，并可同时定性和定量的显示运动中的摩擦力大小．利用该试验和对美国ＧＥ公司采用的软氮化铸铁缸套—表面镀铬铸铁活赛环材料进行了摩擦学性能的试验研究，得出了该配对副在往复滑动中摩擦系数随载荷和速度变化的关系曲线．
In order to study the tribological properties of locomotive diesel engine liner-piston ring materials, we designed and developed a reciprocating friction and wear testing machine. The test machine can be implemented within a certain range of load, speed, lubrication of the single factor control, and qualitative and quantitative display of the same time, the size of the friction in exercise. The tribological properties of the raceway ring made of nitrocarburized cast iron, a nitrocarburized cast iron liner used by GE Company in the United States, were studied by using this test. The friction coefficient of the mating pair with reciprocating sliding was obtained with the change of load and velocity The relationship curve.