介绍了机/相扫雷达天线座柔性密封环密封结构特点,阐明了密封环结构设计、材料选择、制造加工方法。分析了膜片波形、宽度、膜片成型角和膜片个数对波纹管力学性能的影响,对柔性密封环优化及改性,通过模拟试验装置进行评定及分析,研制的密封环,经各项试验考核,寿命和密封均符合总体设计要求。

Fabrication of flexible sealing ring for machanical/phased scanned antenna pedestal this article introduces the peculiarity of flexible sealing ring of machnical/phased scan radar antenna pedestal.The structural design,material selection and manufacture process for the seaing ring are discussed.The shape of membrane,its,width,the influence of film slice and number of films on the mechanical property of the bellows are analyzed.Optimization and denaturation of flexible sealing ring are carried out.Experiments were made to evaluate and analyze the prototype.Results of tests show that the life and sealing performance of seal ring conform to the requirement of the system design.

TN957.8 TN959.73