来自北航学报的EI文摘要求
作者:古龙 2009-07-04语际翻译公司 转载请注明https://www.scientrans.com
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trary inner points with large deflection was discussed. An explicit/implicit hybrid method was used to simulate the forming process and springback to determine the processing parameters. The slotting and notching techniques were developed for releasing the compression stresses of panel in order to ensure good fit of panel on nails die. The compensation of springback has carried out by modifying discrete nails die, the adjusting coefficient of nail-head height was obtained by minimizing the shape-error between modified surface and simulation shape. The system for precision forming of antenna panels was developed and was used successfully in several actual projects of compact antenna test range and millimeter-wave antenna. The precision of reflector panel can reach below 25 μm.
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