Analysis and Evaluation for Usability-Stability
of the Stainless Steel Covered Electrode

Abstract

Abstract: Tendency of the flux-wall guided transfer is the main symbol to judge usability-stability of the stainless steel covered electrode. Using the Analysator Hannover, welding electric parameters of the stainless steel covered electrode were measured and analyzed. Four characteristic information values correlated with tendency of the flux-wall guided transfer were extracted, such as the sum of probability density of short-circuiting voltage, mean value of arc voltage, mean value of welding current and frequency of short circuit, and then method of principal component analysis was applied to determine the evaluation index of usability-stability of the stainless steel covered electrode. It offers a new method for quantitatively judging metal transfer modes and scientifically evaluating usability-stability of the stainless steel covered electrode.

Key words: stainless steel covered electrode, usability-stability of the covered electrode, metal transfer; welding arc physics, principal component analysis

摘要：

焊条渣壁过渡形态的倾向大小是衡量不锈钢焊条工艺稳定性的主要标志。利用汉诺威弧焊分析仪对不锈钢焊条的焊接电参数进行测试分析，提取短路电压概率密度和、平均电弧电压、平均焊接电流和短路频率等与不锈钢焊条渣壁过渡倾向大小有关的4个特征信息，然后采用主成分分析法确定不锈钢焊条工艺稳定性评价指数。研究结果为定量判断不锈钢焊条熔滴过渡形态和科学评价不锈钢焊条工艺稳定性提供了新方法。

关键词: 不锈钢焊条, 焊条工艺稳定性, 熔滴过渡, 焊接电弧物理, 主成分分析

CLC Number:

TG422.3

Wang Yong Wang Bao.

Analysis and Evaluation for Usability-Stability of the Stainless Steel Covered Electrode [J]. China Mechanical Engineering, 2008, 19(2): 245-248.

王勇, 王宝. 不锈钢焊条工艺稳定性分析与评价[J]. 中国机械工程, 2008, 19(2): 245-248.

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Analysis and Evaluation for Usability-Stability of the Stainless Steel Covered Electrode

不锈钢焊条工艺稳定性分析与评价

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