Method one - herringbone
The herringbone technique will allow in most cases to obtain the same seam along the entire length. Each movement in a zigzag will leave behind only a small wave of the influx of metal. You can cook almost anything in this way, including pipes and complex metal structures. The ignited electrode should be driven in zigzags without tearing it off the surface. After finishing the work, do not forget to remove the scale.
Method two - a pendulum
After implementing this method of welding, the seam will look like neat shards of the roof, superimposed on each other. Aesthetically, such a seam looks somewhat worse than the one described above, but it provides a better connection quality. This technique provides an incredibly strong and high-quality metal connection. Moreover, it is not at all complicated: the tip of the heated electrode is led by a crescent. Each time reaching a new edge, the electrode moves a little lower, after which a new semicircle is drawn and so on until the very end.
Method three - straight seam
On the one hand, this is the easiest way to form a seam. On the other hand, it is the most beautiful and not the worst welding method. An important advantage of this method is that the seam is narrow and high. It is strongly recommended to cook it only with a long electrode. No tip control is required. The only subtlety is the correct selection of the current strength of the instrument.
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Continuing the topic, read about one simple "secret", which will help you weld thin metal without burning through.
A source: https://novate.ru/blogs/040721/59619/
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