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乌拉尔国家交通运输科学院设计了一种新结构的轮缘润滑器，它采用APB—2石墨棒作为润滑剂，避免了用液体润滑剂所出现的一系列缺点。石墨棒通过气压系统紧压在轮箍轮缘上，它降低轮缘磨耗的效果好（降低30％～40％）。一台机车的年经济效益按1995年6月1日价格计为300万卢布。除能延长轮箍寿命外，还能使钢轨磨耗降低8．7％，节约电能2．4％。
Ural National Academy of Transportation Design A new structure of the rim lubricator, which uses APB-2 graphite rod as a lubricant, to avoid the use of liquid lubricants appeared a series of shortcomings. Graphite rods are pressed against the rim of the wheel rim by a pneumatic system, which reduces the effect of rim wear (30% -40% reduction). The annual economic benefit of a locomotive is calculated at 3 million rubles on June 1, 1995. In addition to prolonging the life of the tire, it also reduces the rail wear by 8.7% and saves 2.4% of the energy.