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유한요소법을 이용한 CO₂ 용접된 H형상 프레임의 열변형 해석
김은겸(Kim E.K.),조원용(CHO W.Y.),고승기(Koh S.K.) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
Thermal deformation occurs in the welding of steel structures. The thermal deformation due to the high temperature while welding resulted in poor quality of the manufacturing products. In this research, thermal deformation analysis for CO₂ welding of an H-type frame in a commercial vehicle was performed by using the finite element method. Welding process variables such as welding sequence, clamping position, clamping time, and cooling time were simulated. The calculated deformation shapes were compared to the measured deformation shapes, resulting in a good correlation.