The reason why bubbles appear when the color coated plate is welded
Addtime：
2022-04-20 17:16
When the color coated plate is welded, it sometimes has a bubble phenomenon due to external factors. This phenomenon will make the welding weak and affect the aesthetics. Therefore, we should try to avoid this when welding, which leads to this. What is the cause of the phenomenon? Only by finding the cause can it be better solved. Let me explain it to you.
1. If the surface of the weld of the color coated plate is not cleaned, it is easy to cause the appearance of bubbles, such as oil, water and other components. In this regard, we can solve this problem by cleaning the surface to be welded.
2. Impurity of the shielding gas can also cause the generation of bubbles, which can be solved with 99.99% argon.
3. If the tip of the wire is exposed to the air, bubbles may also appear. Therefore, we must keep the end of the wire in the protection of inert gas when welding the color coated plate.
The three methods described above can prevent the generation of air bubbles when the color coated plates are welded. For the bubbles that have already appeared, we can directly rub them off with an angle grinder. You can refer to the content described in this article in the actual operation in the future, I believe that it can solve your problem well.
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