| 工件间隙对脉冲熔化极气体保护焊焊接熔深信号检测的影响 |
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| 引用本文： | 丁林,白鹏飞,王志江.工件间隙对脉冲熔化极气体保护焊焊接熔深信号检测的影响[J].安阳工学院学报,2019,18(2):9-12,105. |
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| 作者姓名： | 丁林 白鹏飞 王志江 |
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| 作者单位： | 皖西学院机械与车辆工程学院,安徽六安237012;天津大学材料科学与工程学院,天津300350;天津大学材料科学与工程学院,天津,300350 |
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| 摘 要： | 采用脉冲熔化极气体保护焊定点焊接了Q235钢对接工件。研究了工件间隙对定点焊接(模拟起始阶段)的熔深状态和非电量电测法中相应的脉冲峰值阶段电弧电压信号波动的影响。结果表明:随着工件间隙在0 mm至1.2 mm变化,焊接过程中熔池的体积和熔深逐渐增加,焊缝从未熔透逐渐向熔透和过熔透变化,脉冲峰值阶段电弧电压波信号波动先降低后增加,当工件间隙为0.9mm时,焊缝处于临界熔透状态,对应的拐点处脉冲峰值阶段电弧电压信号波动为2.79 V。这说明脉冲峰值阶段电弧电压信号波动可作为观察焊接过程中焊接熔深的特征信号。
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| 关 键 词： | 工件间隙 脉冲峰值期间电压波动 信号检测 熔深 脉冲熔化极气体保护焊 |
The Influence of Gap on the Detection of Weld Penetration Depth in Pulsed Gas Metal Arc Welding |
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| DING Lin,BAI Pengfei,WANG Zhijiang.The Influence of Gap on the Detection of Weld Penetration Depth in Pulsed Gas Metal Arc Welding[J].Journal of Anyang Institute of Technology,2019,18(2):9-12,105. |
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| Authors: | DING Lin BAI Pengfei WANG Zhijiang |
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| Institution: | (School of Mechanical and Automotive Engineering,West Anhui University,Liuan 237012,China;School of Materials Science and Engineering,Tianjin University,Tianjin 300350,China) |
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| Abstract: | DING Lin;BAI Pengfei;WANG Zhijiang(School of Mechanical and Automotive Engineering,West Anhui University,Liuan 237012,China;School of Materials Science and Engineering,Tianjin University,Tianjin 300350,China) |
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| Keywords: | gap fluctuation of arc voltage during peak current period signal detection weld penetration depth pulsed gas metal arc welding |
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