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fa dong ji qu zhou bian xing de jian yan yu xiu fu
Author(s): 
Pages: 74
Year: Issue:  8
Journal: Farm Machinery Using & Maintenance

Abstract: 曲轴作为发动机核心零件之一,发动机的全部功率都通过它输出.此外,它通过装在其自由端的齿轮传动,达到配气定时、供油定时及驱动其它辅助装置,所以说曲轴如果出现了故障,不能按要求完成工作,发动机也将无法正常工作.曲轴变形是曲轴常见损伤之一.曲轴变形是指曲轴弯曲和扭转.曲轴弯曲变形反映较明显的部位是中间主轴颈处.曲轴弯曲变形后若继续使用,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.
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