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chai you ji qu zhou mo sun yuan yin fen xi yu jian cha xiu li fang fa
Author(s): 
Pages: 32
Year: Issue:  12
Journal: Farm Machinery Using & Maintenance

Abstract: 柴油机曲轴在将活塞的往复运动变为旋转运动的过程中,承受往复运动的惯性力和旋转运动的离心力;其轴颈表面在轴承内的滑动速度超过10 m/s;润滑油温度可达100 ~150℃,黏度较低.由于装配中引起零件位置的变化和柴油机负荷的不稳定以及机油黏度较低等,都会使轴颈在工作时不能被有效“浮起”,产生过量磨损和不均匀磨损.实践表明,零件磨损是导致柴油机失去工作能力的最主要原因.
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