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低能量输入焊接法参数匹配对能量输入的影响

Keywords: 短路电流,电弧焊,能量传递,低能量输入焊接法,推拉丝短路过渡,参数匹配

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Abstract:

为了研究低能量输入焊接法参数匹配对能量输入的影响规律,通过对比传统短路过渡与推拉丝短路过渡的特点,分析了推拉丝短路过渡可以降低能量输入的原因.根据波形控制方案,采用自行研制的低能量输入焊接系统,通过试验找出了短路后期电流和燃弧脉冲峰值电流的匹配关系.试验结果表明,适当提高短路后期电流,降低燃弧脉冲峰值电流可以得到同样的焊接效果,能进一步降低焊接过程的能量输入.

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