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针对 1Г - 2 6 6 / 32 0型工艺用大型压缩机的高压级活塞环寿命较低的问题 ,提出了对活塞环的材质、结构进行改造 ,气缸内采取少油润滑方式 ,取得了较好的效果
Aiming at the problem of low life of high pressure stage piston ring for large compressor in 1Г - 2 6 6/32 0 process, the material and structure of piston ring are proposed to be modified, and the oil - less lubrication in cylinder is adopted. Effect