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首页> 外文会议>International Congress on Applications of Lasers and Electro-Optics >STUDY OF THE PHENOMENA OF FIBER LASER-MAG HYBRID WELDING
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STUDY OF THE PHENOMENA OF FIBER LASER-MAG HYBRID WELDING

机译：纤维激光MAG混合焊接现象的研究

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Laser hybrid welding processes are gaining more interest in many sectors of metal industry. The process is already in successful use for example in automotive, ship building and construction industry. The laser hybrid welding processes are traditionally a combination of CO{sub}2 or Nd:YAG laser together with MIG/MAG or TIG welding. The arc welding source is chosen depending on whether there is also need for extra material. The use of high power fiber lasers in hybrid welding is increasing because of the small size, good beam quality and high powers available. The aim of this study was to study the characteristics of laser hybrid welding with fiber laser: How do the airgap, torch direction and distance between the processes affect the welding performance. The maximum power of fiber laser used is 5 kW. The arc process used was MIG/MAG welding. Material used was mild steel S355 of thickness 6 mm and joint type was butt joint. Welding process phenomena is photographed with CCD and CMOS cameras to see the welding appearance. It is obvious that the distance between the laser beam and arc welding process and torch direction play a big role in how wide airgaps can be tolerated. Leading torch tolerates longer distance between the processes than trailing torch, but trailing torch has better gap bridging ability.
机译：激光混合焊接过程对金属工业的许多部门进行了更多的兴趣。该过程已经成功地用途，例如在汽车，船舶建筑和建筑行业中。激光混合焊接过程传统上是CO {SUB} 2或ND：YAG激光的组合，以及MIG / MAG或TIG焊接。根据还需要额外的材料，选择电弧焊接源。由于尺寸小，光束质量良好，高功率，使用高功率纤维激光器在混合焊接中的使用正在增加。本研究的目的是研究激光激光激光混合焊接的特点：气隙，割炬方向和过程之间的距离如何影响焊接性能。光纤激光器的最大功率为5 kW。所用的电弧工艺是MIG / MAG焊接。使用的材料是温和的钢S355的厚度6mm，接头型是对接接头。焊接过程现象用CCD和CMOS相机拍摄，以查看焊接外观。显而易见的是，激光束和电弧焊接过程之间的距离和焊炬方向在可以容忍宽的气隙中发挥着重要作用。前导炬容差于过程之间的较长距离而不是拖曳炬，但是拖曳炬具有更好的间隙桥接能力。

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