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圆截面橡胶圈是液压、空气、燃油、润滑系统中的重要密封元件之一,它具有结构简单、密封可靠、成本低廉及设计选用方便等优点,在密封结构中成了一种用途最广泛的密封元件。因此,各国对它都很重视,做了大量的试验研究工作,制定了相应的技术标准。一九六七年我部已发布了部标准《航空橡胶圈密封结构》HB4-56-67~HB4-59-67和指导性技术文件《圆截面橡胶圈密封结构设计与计算》HB/Z4-67,这对
The round section rubber ring is one of the important sealing components in the hydraulic, air, fuel and lubrication systems. It has the advantages of simple structure, reliable sealing, low cost and convenient design and selection. It has become one of the most widely used sealing structures Sealing elements. Therefore, all countries attach great importance to it, do a great deal of experimental research and work out corresponding technical standards. In 1967, the ministry has released the ministerial standard Aerospace Rubber Sealing Structure HB4-56-67 ~ HB4-59-67 and the instruction document “Design and Calculation of Circular Sealing Rubber Sealing Structure” HB / Z4- 67, this right