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一、烧轴瓦的主要原因1.机油泵发生了故障,泵不上机油.2.机油集滤器的头部未浸入油底壳的机油中,使机油泵吸不进润滑油.3,机油集滤网被脏物堵住,机油泵吸油量减少.4.曲轴轴颈或连杆轴颈中的净化腔堵塞,封闭净化腔的油塞松动漏油.5.机油中有杂质或水.6.使用的机油标号不对.7.机油压力表失灵.8.轴瓦的配合间隙不对.(1)间隙过小,轴瓦与轴颈间隙的油膜带不易形成,配合表面的金属相互接触,产生间断的粘性带而拉伤表面,最后烧坏轴瓦;(2)间隙过大:泵出的润滑油泄漏过多,机油压力降低,润滑条件恶化,同样会造成烧瓦事故.
First, the main reason for burning bushings 1. Oil pump failure, the pump is not on the oil. 2 oil filter head is not immersed in oil sump oil so that the oil pump is not absorbed into the oil .3, oil set The filter is blocked by dirt, the oil pump to reduce oil absorption .4 crankshaft journal or connecting rod jams in the purification chamber closed, plug the oil purification plug cavity loose oil leakage .5 oil impurities or water.6 . The use of oil label wrong .7 oil pressure gauge failure .8 bush with the gap. (1) the gap is too small, bearing bush and journal gap film is not easy to form, with the surface of the metal contact with each other, resulting in intermittent Sticky belt and strain the surface, and finally burn the bearings; (2) the gap is too large: too much leakage of oil pump, oil pressure decreases, the deterioration of lubrication conditions, the same will cause burning tile accident.