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Numerical simulation of FLD based on leaner strain path for fracture on auto panel surface

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2 Author(s)
Jinwu Wang ; Sch. of Mechatron. Eng., Changchun Univ. of Technol., Changchun, China ; Ruifeng Chi

In order to emerge the traditional measurement's shortage of auto body panel, we proposed the corrected FLD based on the linear path method and calculation methods. According to the above mentioned programs and the fracture defect diagnosis, we developed a CAE module for the fracture defect analysis based on VC++ environment, and solved the problems which the traditional sheet metal forming CAE software can not accurately predict. And then a forming process of a hood is simulated by applying the proposed method and AUTOFORM. Comparison between the two simulation results is done which shows the method we proposed is better, and then we introduced some methods to optimize the adjustment amount of metal flow and the stamping dies for fracture. Some suggestions are given by investigating the adjustment amount and modification of the stamping die.

Published in:

Consumer Electronics, Communications and Networks (CECNet), 2011 International Conference on

Date of Conference:

16-18 April 2011