When the OTC welding robot solders copper, first check whether it is a DC welding machine, because the copper welding is as much as possible with a DC argon arc welding machine.
When welding copper, use phosphor copper electrode as filler, first use a welding gun to copy the workpiece, and then participate in the welding rod when it is melted, this is because the melting point of phosphor copper electrode is very low, it is very simple to melt, and you can walk it directly.
When welding brass, you need to use brass electrode as filler, you also need to add borax, first bake the workpiece hot, sprinkle with borax, and then bake the welding rod with borax, this is because the brass will become water vapor and tin after melting, adding borax is to maintain the effect of the molten pool, first melt the workpiece and then add the welding rod, pay attention to shaking the welding gun when welding, and melt more simply.
Argon arc welding welding method:
When welding aluminum, it is necessary to pay attention to the choice of AC argon arc welding machine as much as possible, this is because there is a layer of oxidation touch on the surface of aluminum when welding aluminum, it is necessary to melt the oxidation touch together after turning over the oxidation touch, and the AC welding machine is very brief about turning over the oxidation touch, and the professional name is called cathodic crushing.
When welding aluminum, you should hold the welding torch with one hand and the welding wire with one hand, first of all, you should bake the surface, and when baking, you should often use the welding wire to poke it into the molten pool, (there are two effects: (1) the aluminum is still white after melting, and it is often melted only when it is melted, (2) it can be used to help turn over the oxidation touch to make the workpiece melt more briefly, and it is difficult for beginners to weld aluminum. Just use spot welding to stop as soon as it melts, just a few clicks in a row, and the important thing is to refine yourself to find the trick.
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