Experienced welders are already aware of all the complexities of the procedure for welding metal with an electrode and know some of the tricks of this work. But beginners often make mistakes, as a result of which the electrode can stick to the surface to be welded or, due to flooding with slag, the metal adheres unevenly. You can avoid a problem situation if everything is done correctly.
When welding two parts, the electrode often sticks to the piece of iron, and you will be lucky if you tear it off quickly. In some cases it is necessary to unclench the holder and break off the electrode. This is one situation. The second is that slag is formed in excess during the welding process, and it becomes impossible to understand where it is and where the metal is. Therefore, it may turn out that the metal will stick to only one of the parts.
All this can be prevented if the first centimeter of the future seam is correctly made. When sparks appear, the gap between the electrode, its tip, and the metal should be made longer.
The torch of the arc will become longer, and already with this arc the metal edge will be heated. So the surfaces of the parts will warm up faster and the electrode will not be soldered.
A bridge should appear between the two edges, obtained after the metal has melted. In this case, the pressure is high and the slag is driven off the metal surface.
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When a weld pool has formed, that is, the edges of the parts that we are welding are perfectly moistened and filled with metal, you can work on a shorter arc. If you adhere to this technology, then the further welding process will be stable.
Continuing the topic read, how can you weld with a conventional nail, using it instead of an electrode.
A source: https://novate.ru/blogs/170321/58225/
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