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日本国铁大宫工厂对防止柴油机曲轴轴瓦的烧损拥有较好的经验,并归纳了一些较为可行的防止措施。详细情况介绍如下。 1.曲轴轴瓦的作用曲轴轴瓦是为把活塞的往复运动改变成回转运动而用7个轴瓦支承曲轴使其进行圆滑回转运动的重要零件。所以,各气缸的爆发压力会将曲轴的弯曲振动、扭曲振动等影响传递给轴瓦,故曲轴的材料和润滑油的供给方法均是设计者最需要注意的问题。
Japan’s Ogaki Ogaki plant to prevent the burning of diesel engine crankshaft bearings have better experience and summed up some of the more feasible preventive measures. Details are as follows. 1. The role of crankshaft bearings Crankshaft bearings are used to change the piston reciprocating motion into a rotary motion with seven bearing bushings to make smooth slewing motion of the important parts. Therefore, the explosion pressure of each cylinder will be crankshaft bending vibration, torsional vibration and other effects transmitted to the bearing, so the crankshaft material and lubricant supply are the most designers need to pay attention to.