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fa dong ji qu zhou wan niu yuan yin fen xi ji xiao zheng fang fa
Author(s): 
Pages: 48
Year: Issue:  8
Journal: Farm Machinery Using & Maintenance

Abstract: 曲轴是发动机的关键部件,其性能的优劣直接关系到发动机的质量与寿命.曲轴的质量状态直接决定柴油机的运行质量和安全水平.曲轴弯扭变形后若继续使用,将加速曲轴连杆机构的磨损,甚至使曲轴产生裂纹和断裂.因此,在发动机修理中,必须对其进行检验.在发动机组装前发现曲轴弯曲度已超过技术标准,就不应同轴瓦勉强组装,若弯曲度超标的曲轴配装上主轴瓦后,工作中就会出现曲轴在转动时半周紧半周松的状况,曲轴就会对轴瓦产生一种附加压力,其结果是轴瓦加快磨损,以致发生轴瓦烧损事故.
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