Do you need a skilled operator to operate a medium frequency spot welder?
2021-10-19 09:21
Before welding, the appropriate welding conditions are mainly found at the beginning, and the appropriate parameters are adjusted according to the welded workpiece. The control device (I. e. controller) will weld according to the set conditions. In order to find good welding conditions, people who are familiar with welding technology are required. However, after the good welding conditions are set, even workers without operation experience can operate.
However, there is one thing worthy of our attention and learning: in the operation process, the electrode surface will form white medium on its surface with the increase of welding times. If there is no timely grinding, the resistance will increase and affect the quality of solder joints. In order to ensure the welding quality at all times, files or electrode grinding devices should be used regularly for grinding.
During spot welding, there is a set of standard welding condition tables for mild steel, stainless steel and aluminum alloy materials. After actual operation according to the welding condition table, if problems such as nugget diameter or welding strength are found, the set value shall be modified within the range before and after the value to find out the welding condition.
However, if it is the same type of metal, it is also necessary to continuously improve the welding conditions according to the target size of the plate thickness, surface state and nugget diameter of the joint, the surface state after welding and other requirements.
But the most important thing to pay attention to is safety!
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