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Hot Air Blower

An alternative to hot air rework stations are hot air guns, often made exclusively for embossing jobs. Hot air guns produce heated airflow that can melt solder and remove components, like ICs from PCBs. The most significant advantage of these hot air guns is their low cost. Stations with hot air guns are used in cases when just a soldering iron is not enough. Disassembling microchips requires a hot air gun. Soldering SMD components with hot air is much more convenient. Hot air guns usually come with special nozzles for hot air stream regulation.

The main components a hot air gun are a small dc blower fan and a heating module. The air comes out from the small but powerful blower fan and is heated quickly by the heating module and then flows out through the nozzle. Wonsmart dc blowers chosen for hot air gun are always use dc brushless motors. The brushless motors can support a very long life of up to 20,000hours. These blowers with brushless motors can also support digital controls such as airflow control and air pressure control conveniently at a low cost. Hot air gun manufacturers can also request Wonsmart to make some customized settings on the motor driver board such as error codes, over heat protection and low voltage protection. To ensure the blowers serve a longer time, a good cooling condition around the blowers and a filter on the blower inlet are critical. When the manufacturer decides to power the blowers with Li-ion battery, they should also pay attention to the maximum voltage and minimum voltage since the battery voltage always changes and a brushless motor driver may not work with a high voltage or a low voltage.