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目前,密封已发展成为一种非常精密的科学,而且有相当多关于这方面知识的丛书。为了满足工业上不断提出的新要求,在材料方面出现了许多高性能的聚合物,密封设计上采用非弹性材料似乎是今后发展的方向。下面简要地谈谈各种类型的液压和气动的密封。
At present, sealing has developed into a very sophisticated science and there are quite a few books on this. In order to meet the new continuous demands in the industry, many high-performance polymers have appeared in the materials. The use of non-elastic materials in the seal design seems to be the direction of development in the future. The following briefly discusses various types of hydraulic and pneumatic seals.