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压缩机的无油润滑,是采用无润滑活塞环来实现的。从结构上讲,可分为开口有背压活塞环和整体无背压活塞环。现在,还有其它形式的活塞环。我厂由日本三国重工业公司引进的整体无背压活塞组件结构如图1所示。
Compressor oil-free lubrication is to use non-lubricated piston ring to achieve. From the structure, can be divided into the opening of the back pressure piston ring and the overall non-backpressure piston ring. Now there are other forms of piston rings. I plant from Japan’s Three Kingdoms Heavy Industries introduced the overall structure of the backless piston assembly shown in Figure 1.