Simple debugging steps: The general medium frequency spot welding machine is debugged by three parts, the first welding time, the second welding current, and the third welding pressure. Generally, adjustments are made for these three aspects.
Firstly, the pressure of the pressure reducing valve is adjusted to about 3 kg (plate thickness 1-2 mm) according to the thickness of the plate. The welding time is generally increased from three cycles, and the welding current increases from the small plate thickness.
The key point is that the preloading time must be adjusted according to the distance between the electrodes, which can be slightly larger, otherwise, the splash is very large when welding.
When the carbon steel sheet is welded, the heat-up time and the maintenance time can be appropriately extended to prevent the solder joint from falling off. The adjustment of all intermediate frequency DC table spot welding machine for aluminum is basically the above steps, and much more in the practical application.
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