A New Stretch-Forming Process Based on Loading at Discrete Points and its Numerical Investigation

Zhong Yi Cai; Mi Wang; Chao Jie Che

doi:10.4028/www.scientific.net/AMM.423-426.737

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 423-426A New Stretch-Forming Process Based on Loading at...

A New Stretch-Forming Process Based on Loading at Discrete Points and its Numerical Investigation

Abstract:

A new stretch-forming process based on discretely loading for three-dimensional sheet metal part is proposed and numerically investigated. The gripping jaw in traditional stretch-forming process is replaced by the discrete array of loading units, and the stretching load is applied at discrete points on the two ends of sheet metal. By controlling the loading trajectory at the each discrete point, an optimal stretch-forming process can be realized. The numerical results on the new stretch-forming process of a saddle-shaped sheet metal part show that the distribution of the deformation on the formed surface of new process is more uniform than that of traditional stretch-forming, and the forming defects can be avoided and better forming quality will be obtained.

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Periodical:

Applied Mechanics and Materials (Volumes 423-426)

Pages:

737-740

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.423-426.737

Citation:

Cite this paper

Online since:

September 2013

Authors:

Zhong Yi Cai*, Mi Wang, Chao Jie Che

Keywords:

Curved Surface, Discretization, Loading Trajectory, Sheet Metal, Stretch-Forming

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* - Corresponding Author

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