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提出了一种基于形面多点调节的紧缩场反射器面板精密柔性成形新技术,对面板形面调节机理进行了分析,提出了确定调节点位置、数量、调节量的形面调节核心技术,借助数值模拟方法确定了矩形面板调节点位置、数量,在实验基础上建立了调节量计算方法.设计、开发了面板形面调节实验平台;针对具有不同初始形面误差的面板进行了形面调节可行性数值模拟分析及实验验证.结果表明,利用所提出的调节技术和开发的形面调节实验平台能够实现双夹层金属蜂窝面板形面的有效调节,获得很高的形面精度.该项技术可以在现行成形技术的基础上进一步提高形面精度,可明显提高面板制造成品率,解决大尺寸高精度面板和较大曲率面板的制造难题,并能改善面板的使用及维护性能,延长紧缩场的使用寿命.
A new flexible precision forming technology for tightening field reflector panel based on surface multi-point adjustment is proposed. The adjustment mechanism of panel surface is analyzed. The core technology of surface adjustment for determining the position, quantity and adjustment of adjustment point is proposed. The position and the number of the adjustment points of the rectangular panel were determined by means of numerical simulation, and the calculation method of the adjustment amount was established on the basis of the experiment.An experimental platform for the adjustment of the panel surface was designed and developed.For the panel with different initial surface errors, The feasibility of the numerical simulation analysis and experimental verification.The results show that the use of the proposed adjustment technology and the development of surface conditioning experimental platform to achieve double sandwich metal honeycomb panel effectively adjust the shape of the surface to obtain a high accuracy Can further improve the surface accuracy based on the current forming technology, can significantly improve the panel manufacturing yield, to solve large-size high-precision panel and the curvature of the panel manufacturing problems, and can improve panel use and maintenance performance, to extend the crunch field The service life.