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1 前言 高效密封组合式活塞环是由两片锥形环重叠而成 ,由于其结构的独特性 ,从根本上改变了活塞环的工作状态和润滑方式 ,大大提高了活塞环的封气效果 ,减少了曲轴箱超压故障的产生 ,同时由于其独特的翘曲工作方式 ,还大大降低了活塞环对环槽的冲击 ,并能有效形成储油带 ,
1 Introduction Efficient sealed piston ring is composed of two overlapping conical rings, due to its unique structure, fundamentally changed the working condition of the piston ring and lubrication, greatly improving the sealing effect of the piston ring, Reduce the occurrence of crankcase overpressure fault, and at the same time greatly reduce the impact of the piston ring on the annular groove due to its unique warping working mode, and can effectively form the oil storage belt,