The pulse heat press machine mainly uses a transformer to generate a large current with a low voltage and quickly heats it through its welding head. The pulse current refers to the ratio of the ON and OFF frequency of the current. The larger the pulse ratio, the greater the current output, and the welding The faster the head heats up. The pulse hot press places the workpiece in the fixture (if necessary, the vacuum can be activated to fix it). Send the fixture to the welding head, press the double start button, the welding head presses the workpiece (start heating), the temperature rises rapidly according to the input parameters and the temperature is accurately maintained, up to 4 temperature zones (at this time solder reflow), blow air Cooling (solder solidification), the welding head rises (completed).

The pulse hot press is mainly used to load a certain pulse voltage on the hot press head. The hot press hair heats up the object directly connected to it. When the temperature rises to the melting point of the solder (that is, it rises to the preset temperature After), melt the tin between the connected objects and connect them together. The general pulse hot press uses a closed-loop temperature control.

To a certain extent, the pulse hot press is mainly used for soldering of devices that cannot be soldered with a normal SMT+ reflow oven. When soldering with a soldering iron, it is prone to inconsistent soldering appearance, uneven soldering, false soldering, and soldering damage. product. The pulse hot press is different from the constant temperature soldering iron. The pulse hot press can reach the desired temperature at the moment of power-on, and once no voltage is applied to the two ends of the welding head, it can reach room temperature instantly; and the welding head is flat, so the appearance of the welding It is flat and consistent, and there is very little false welding.

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