The Research of Forming Process Parameters Influence on the Square Cup of TWBs’ Weld-Line Movement

Yong Gan; Han Chao Wang; Ying Ying Guo

doi:10.4028/www.scientific.net/AMM.644-650.4835

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 644-650The Research of Forming Process Parameters...

The Research of Forming Process Parameters Influence on the Square Cup of TWBs’ Weld-Line Movement

Abstract:

The forming process of the square cup of TWBs is studied through the numerical simulation by Dynaform, and combined with orthogonal test, analyzed the thickness ratio, strength ratio, weld-line position, total blank-holder force, the thinner side’s blank-holder rate and the friction coefficient’s relations with the square cup of TWBs’ weld-line movement during the stamping process, and using the BP neural network toolbox model to forecast the weld-line movement in the process of forming. Studies show that regardless of the thickness ratio impact on the bottom of the square cup or on the flange, weld-line movements are at the maximum, the strength ratio is the second. The smaller proportion of the thinner side of the base material, the lower weld-line movement is. Selecting the suitable thinner side and thicker side’s blank-holder, and the reasonable lubrication conditions can control the value of the weld-line movement.

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Periodical:

Applied Mechanics and Materials (Volumes 644-650)

Pages:

4835-4839

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.644-650.4835

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Online since:

September 2014

Authors:

Yong Gan*, Han Chao Wang, Ying Ying Guo

Keywords:

Numerical Simulation, Orthogonal Test, Square Cup, Weld-Line Movement

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