Analysis of Welding Process for Automotive Rear Cradle

Hak Jae Seol; Kyoung Teak Lee; Chang Soo Park; Kwan Bong Yoo

doi:10.4028/www.scientific.net/AMR.1091.97

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1091Analysis of Welding Process for Automotive Rear...

Analysis of Welding Process for Automotive Rear Cradle

Abstract:

A rear cradle as one of the suspension system takes a role to connect a tie rod, suspension arm, transmissions and rubber bush. It consists of the side member and cross member which are joined by welding process. However, the rear cradle may be distorted due to thermal deformation during welding process, which cause dimensional tolerance problem when assembling. So, it is necessary to predict the thermal deformation and the optimal welding conditions should be suggested to reduce the dimensional tolerances. In this paper, MAG(metal active gas) welding process was applied in the simulation model using the SYSWELD^R, commercial S/W for welding simulation. And then, It should be predicted on the results about the gap and thermal deformation of main cylinder and derived the phase transformation, temperature distribution, residual stress and thermal deformation of total model shape.

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Periodical:

Advanced Materials Research (Volume 1091)

Pages:

97-101

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1091.97

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Online since:

February 2015

Authors:

Hak Jae Seol*, Kyoung Teak Lee, Chang Soo Park, Kwan Bong Yoo

Keywords:

Base Metal, MAG Welding, Phase Transformation, Thermal Deformation, Welding

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