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在滑片式压缩机中,滑片是关键零件之一。其结构设计的合理与否,既直接关系到整机的性能,可靠性与耐久性,又直接关系到制造上的工艺性。目前在滴油或喷油润滑的一些较小排量的滑片式压缩机中,多采用以钢、铸铁等材质的金属滑片。金属滑片由于材质本身强度高,与通常采用以酚醛树脂纤维等材质的塑料滑片相比,其厚度尺寸要小得多,带来不少结构上的好处;另一方面金属滑片制造相对较容易,成本较低,使甩寿命也高得多。例如一般塑料滑片的工作寿命仅2500h左右,而以采用铸铁滑片的英国海卓万（Hydrovane）压缩机公司PU系列滑片式压缩机为例,宣称滑片寿命高达10～5h。
In vane compressors, the vane is one of the key components. Its structural design is reasonable or not, both directly related to the performance of the machine, reliability and durability, but also directly related to the manufacturing process. At present, drip or injection lubrication of some of the smaller displacement vane compressor, the use of more steel, cast iron and other materials of metal vane. Due to the high strength of the material itself, metal vanes have a much smaller thickness dimension than plastic vanes that are usually made of phenolic resin fibers and provide many structural advantages. On the other hand, metal vanes are relatively Easier, lower cost, so rejection life is much higher. For example, general plastic vane life of only about 2500h, and the use of cast iron vane British Hydro (Seavane) Compressor PU series vane compressor, for example, claimed vane life of up to 10 ~ 5h.