ACTA AERONAUTICAET ASTRONAUTICA SINICA >
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.
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.
ZHU Minghua , WANG Wenbin , BAO Yidong , HUANG Xiang . Research on Precise Blank Prediction Method of Aircraft Part by Rubber Bladder Forming[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2013 , 34(3) : 670 -676 . DOI: 10.7527/S1000-6893.2013.0105
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