基于三维光学扫描的大型壁板精准校形技术研究

来源 :中国计算力学大会2018暨国际华人计算力学大会2018 | 被引量 : 0次 | 上传用户:hxyxy303
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  本文针对当前运载火箭网格加筋壁板校形工艺难以满足精度要求的难题,提出一种基于三维光学扫描的精准校形技术.该技术针对三维光学扫描获得的真实变形壁板的形貌偏差点云数据开展了数据分析,分解出了产品的缺陷模式及相应大小.分析结果表明滚弯成型的曲面壁板经历机铣后主要的变形模式为曲率偏差,在较大筋高壁厚比下,壁板的曲率变化达12.7%.
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