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huo sai huan de jian cha yu jian ding fang fa
Author(s): 
Pages: 99-99
Year: Issue:  5
Journal: Farm Machinery Using & Maintenance

Keyword:  活塞环鉴定方法检查燃油消耗率高温高压润滑不良往复运动开口间隙;
Abstract: 活塞环是气缸、活塞、连杆组中最易磨损的零件,活塞环的常见损伤主要是活塞环的磨损、弹性减弱和折断等。活塞环的磨损主要是活塞环受高温高压燃气的作用,活塞环往复运动的冲击和润滑不良所致。活塞环磨损后,开口间隙和边间隙增大,弹力减弱与缸壁的密封性下降,发动机功率下降,燃油消耗率增加,机油窜入燃烧室烧损严重。
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