在柴油机的修理中,保证连杆瓦与轴颈的合理配合间隙是十分重要的。然而在农村有时做不到这一点,在轴颈已经磨损较大的柴油机上,往往只是简单地换装新标准瓦。在这种情况下,由于配合间隙较大,爆发撞击剧烈,上瓦片中部合金层很快被撞击延展变薄,两侧面则可见碾出的 In the repair of diesel engine, it is very important to ensure the reasonable cooperation gap between connecting rod and journal. However, this can not be done sometimes in rural areas. In diesel engines that have worn out larger journals, they often simply replace the new standard tile. In this case, due to the larger gap with the outbreak of intense impact, the upper tile middle alloy layer will soon be extended by the impact of thinning, the two sides can be seen rolling out