基于分裂阳极法的电弧电流和电弧力的联合测试系统

Combined measurement of arc current and arc force based on the split anode method

焊接电弧的电流密度和电弧压力的分布特征对焊接工艺有重要的影响。以分裂阳极法为基础,开发了一套电弧电流和电弧力的联合测试系统,包括电弧的精密运动控制和高精度的数据采集系统。采用Matlab进行数据处理和数值分析,获得焊接电弧的电流密度和电流压力的分布特征。采用本系统分别对直流等离子弧和直流TIG电弧进行了测试,测试结果表明,本测试系统具有高精度和高稳定性,能够为电弧形态和熔池状态的研究提供基础数据。

The distribution characteristic of the arc current density and arc pressure has an important effect on the welding process. Based on the spht anode method,a combined measurement system of arc current and arc force was developed,including accurate motion control of the arc and the high-precision data acquisition system.The distribution characteristic of the arc current density and arc pressure was obtained by using MATLAB for data processing and numerical analysis.Both of the experiments of DC plasma arc welding and DC TIG arc welding were completed, and the results demonstrate that the combined measurement system has high accuracy and stability, and can provide foundational data to study arc shape and pool form.