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铁道部决定为适应客车行车速度由 80km/h提高到 140km/h的要求，其主要要求之一就是轴承温升对环境温度不高于 40℃。本文就提速铁路货车轴承温升的影响因素及控制方法作一探讨。影响提速铁路货车轴承温升的因素较多，主要有以下几个方面。 [1]滚子与内圈中挡边接触点的位置
Ministry of Railways decided to adapt to the bus speed from 80km / h increased to 140km / h requirements, one of the main requirements is the temperature of the bearing temperature of not higher than 40 ℃. This article discusses the factors affecting the temperature rise of railway freight car and the control methods. There are many factors that affect the temperature rise of railway freight car bearings, mainly in the following aspects. [1] The position of the point of contact between the roller and the rib in the inner ring