在分析焊接过程中的能量方程、边界条件和焊接热源分布模型的基础上,建立双电弧运动作用下埋弧焊熔池的温度场数学模型,采用有限元方法计算与分析了不同焊接速度、焊接电压对双电弧埋弧焊熔池温度场分布的影响规律,得出了不同焊接速度、焊接电压参数下对应的熔池形态特征,为双电弧焊高速埋弧焊过程焊缝成形因素分析及工艺优化提供了基础。 Based on the analysis of the energy equation, the boundary conditions and the welding heat source distribution model in the welding process, the mathematical model of the temperature field of the submerged arc welding pool under dual arc motion was established. The finite element method was used to calculate and analyze the welding speed, Voltage on the distribution of temperature field of arc welding submerged arc welding arc, obtained different welding speed, welding voltage parameters corresponding to the shape of the molten pool for the double arc welding process of high-speed submerged arc welding forming factor analysis and process Optimization provides the basis.