Study on Hybrid Edge-joint of Visor Transparencies for EVA Spacesuit Helmet
EVA Spacesuit helmet adopts multi-layer visors design and the joint pattern of visor trans-parencies with metal helmet-shell is the key.Due to the visor features such as Polycarbonate(PC)substrate,irregular surfaces,closed arc-line placket,thin-walled transparent,a hybrid edge-joint of visors was proposed in this paper.The structure design and simulation analysis were conducted,the Hybrid Edge-joint prototype was developed,and the verification test was carried out.The results show that the Hybrid edge-joint is stable,reliable,and can meet the application requirements.
EVA spacesuithelmet visorPolycarbonate(PC)transparencyhybrid edge-joint
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