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基于比色测温原理,提出以“伪色温”数值分布描述熔池区域红外辐射的方法,通过模拟和弧焊实验,发现了与接缝位置、熔宽和背面熔透状态相关的特征值分布区间.该方法对于弧焊过程中对焊缝的自动跟踪和焊缝成形参数控制具有重要的应用前景.
Based on the principle of colorimetric temperature measurement, a method to describe the infrared radiation in the pool area with the pseudo-color temperature distribution is proposed. The eigenvalue distributions related to the seam location, melt width and backside penetration are found through simulation and arc welding experiments Interval.This method has important application prospects for the automatic tracking of welding seam and the control of the forming parameters of the welding seam in the process of arc welding.