| 波控CO_2焊短路过渡过程的计算机仿真及试验 |
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| 引用本文： | 李桓,胡连海,李俊岳,杨立军.波控CO_2焊短路过渡过程的计算机仿真及试验[J].焊接学报,2002(2). |
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| 作者姓名： | 李桓 胡连海 李俊岳 杨立军 |
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| 作者单位： | 天津大学材料科学与工程学院 天津300072
(李桓，胡连海，李俊岳)，天津大学材料科学与工程学院 天津300072(杨立军) |
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| 基金项目： | 国家自然科学基金资助项目 (5 9975 0 68)，天津市自然科学基金资助项目 (993 60 2 911) |
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| 摘 要： | 提高CO2 焊工艺性能、减少飞溅的有效方法之一就是通过改进焊接电源设备 ,对电弧及熔滴过渡行为加以控制。本文在确定了短路过渡的合理的瞬时电流特征的基础上 ,提出了CO2 焊短路过渡过程的AWP (Adaptingweldingphysicsprocess)波形控制思想 ,利用MATLAB的仿真工具建立了数字仿真模型 ,并得出仿真波形。建立了试验系统 ,将仿真结果与试验结果相比较 ,两者的一致性很好 ,证明了所建模型的合理性和实用性
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| 关 键 词： | CO2气体保护焊 计算机仿真 短路过渡 飞溅 AWP波控 |
Computer Simulation and Experimental Research on CO_2 Short-cir. cuit Transfer Welding Under Waveform Control |
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| LI Huan.Computer Simulation and Experimental Research on CO_2 Short-cir. cuit Transfer Welding Under Waveform Control[J].Transactions of The China Welding Institution,2002(2). |
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| Authors: | LI Huan |
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| Abstract: | One of the methods of getting better CO 2 arc welding technolog performance and decreasing spatter efficiently is improving the arc welding power source and controlling the behavior of arc and droplet transfer. According to the reasonable instantaneous electric current characteristic of short circuiting transfer, the AWP (Adapting Welding Physics Process) wavefonn control thought of CO 2 short circuiting transfer is put forward in this paper. A stinmlation study is made and a simulation wavefonn is obtained. The experimental system is set up and a great number of data is carried out. The result of simulation is suitable for that of experiment ment on the whole, It shows that the simulation model is rational and practicable. |
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| Keywords: | CO 2 gas shield arc welding computer simulation short circuiting transfer welding spatter adapting welding phsics process waveform control |
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