| 变极性TIG焊电源稳弧特性的研究 |
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| 引用本文： | 李春旭,陈克选,郝礼杰.变极性TIG焊电源稳弧特性的研究[J].甘肃科学学报,2002,14(4):14-18. |
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| 作者姓名： | 李春旭 陈克选 郝礼杰 |
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| 作者单位： | 甘肃工业大学材料科学与工程学院,甘肃,兰州,730050 |
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| 摘 要： | 介绍了微机控制的变极性TIG焊电源的稳弧特点，该电源采用双逆变结构，电路简单，通过在前极恒源和二次逆变桥之间串联一个小电感L的方法，获得了良好的稳弧效果，即使在小电流范围内施焊，焊接性能仍然优良。试验结果表明这种稳弧方法是在切实可行的，完全可以满足铝、镁及其合金焊接的需要。
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| 关 键 词： | 稳弧特性 TIG焊 变极性电源 电感 稳弧脉冲 双逆变结构 交流电弧 |
| 文章编号： | 1004-0366(2002)04-0014-05 |
| 修稿时间： | 2002年8月22日 |
PROPERTIES OF ARC STABILITY FOR TIG WELDING POWER SOURCE WITH VARIABLE POLARITIES |
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| LI Chun\|xu,CHEN Ke\|xuan,HAO Li\|jie.PROPERTIES OF ARC STABILITY FOR TIG WELDING POWER SOURCE WITH VARIABLE POLARITIES[J].Journal of Gansu Sciences,2002,14(4):14-18. |
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| Authors: | LI Chun\|xu CHEN Ke\|xuan HAO Li\|jie |
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| Abstract: | The properties of arc stability of variable polarity power source for TIG welding are introduced. The double inverter structure is used in the main circuit. Between constant source and inverter contact, L is connected so as to achieve good effects on arc stability, even if welding in lesser amplitude. Experiments show that the stable arc method is rational and feasible, and that it can satisfy the needs for the weldings of aluminum, magnesium and their alloys. |
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| Keywords: | \ TIG welding variable polarity power source inductance arc stability |
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