基于3D打印技术的微波开关设计与实践

文章介绍了一种基于3D打印技术的R型波导开关的设计方法，并对影响微波开关性能指标的射频参数、切换时间进行了验证。验证结果表明，微波开关的射频指标无恶化，切换时间缩短，微波开关可靠性得到提升。通过3D打印技术的应用，减轻开关重量17%以上，生产周期缩短60%以上。文章论述了微波开关射频指标、切换时间的设计过程和验证结果，解决了X频段R型波导开关切换时间长和重量大的不足，为波导微波开关制造提供了一种新的途径。

Design and practice on application of 3D printing technology in microwave switch

In this paper, a design method of R-type waveguide switch based on 3D printing technology is introduced. And the RF parameters and switching time which affect the performance of microwave switch are verified. The verification results show that the RF test results meet the requirements, the switching time is shortened , Hence ,the reliability of the microwave switch is improved. Through the application of 3D printing technology, the weight of the switch is reduced by more than 17%. The production cycle is shortened by more than 60%. The design process and verification results are discussed in this paper. The shortcomings of long switching tine and heavy weight of R-type waveguide switch in X-band are solved. A new way for manufacturing waveguide microwave switch is provided.