飞机橡皮囊成形零件毛坯精确预示方法研究
收稿日期: 2012-04-23
修回日期: 2012-10-18
网络出版日期: 2013-03-29
基金资助
国家自然科学基金(51075206);2011年度上海市高新技术产业化重点项目(11-42);上海飞机制造有限公司2012年度创新基金
Research on Precise Blank Prediction Method of Aircraft Part by Rubber Bladder Forming
Received date: 2012-04-23
Revised date: 2012-10-18
Online published: 2013-03-29
Supported by
National Natural Science Foundation of China (51075206); 2011 Advanced Technology Key Project of Shanghai Municipal Commission of Economy and Informatization (11-42); 2012 Innovation Funds of Shanghai Aircraft Manufacturing Co., Ltd.
朱明华 , 王文斌 , 鲍益东 , 黄翔 . 飞机橡皮囊成形零件毛坯精确预示方法研究[J]. 航空学报, 2013 , 34(3) : 670 -676 . DOI: 10.7527/S1000-6893.2013.0105
Rubber bladder forming is one of the main forming methods for aircraft sheet metal parts in which the prediction of initial blank shape is difficult. In accordance with the technology characteristics of rubber bladder forming, a fast prediction method is proposed for the initial blank shape of a rubber bladder formed part based on one-step inverse forming finite element method. Firstly, the designed aircraft sheet metal part is treated as the final configuration; then a quick reverse simulation is carried out to obtain the initial blank by the one-step inverse finite element method. Finally, the blank outline from the above method is applied to real rubber bladder forming manufacture. The experimental results demonstrate that this method can predict the precise initial blank shape for a rubber bladder forming part.
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