DIY compact hot air gun

For many jobs, a full-size heat gun is too big. For delicate tasks, you can use a homemade hair dryer with a thin nozzle. They are convenient for setting heat-shrinkable tubing, spot heating plastic, drying two-component glue, etc. This device is made simply and quickly.

DIY compact hot air gun

Materials for making a hot air gun:

Hot air gun manufacturing process

An adapter is drilled out of plywood using a core drill to connect a tube with a diameter of 20 mm to 40 mm. It is pressed into a large plastic pipe 10-15 cm long.

DIY compact hot air gun
DIY compact hot air gun
DIY compact hot air gun

A hole is drilled in the side of the plastic pipe to install the switch.

DIY compact hot air gun

You also need to prepare an aluminum tube 20 mm long, 10 cm long. You need to screw a heating element from a soldering iron into it.

DIY compact hot air gun
DIY compact hot air gun
DIY compact hot air gun

Next, you need to solder the wires from the fan to the board removed from the phone charger unit.Wires are soldered to its input to supply power.

DIY compact hot air gun
DIY compact hot air gun
DIY compact hot air gun

The aluminum tube is glued into the plastic tube using two-component heat-resistant glue through an adapter.

DIY compact hot air gun

After it dries, you should solder the components of the hair dryer in the body according to the proposed scheme.

DIY compact hot air gun

The power supply for the fan is hidden directly in the hair dryer body.

DIY compact hot air gun
DIY compact hot air gun

The cooler itself is glued with hot glue from the end.

DIY compact hot air gun

Thus, when you press a button, 220 V power will be supplied to the heating element, and 5 V through the unit to the fan.

DIY compact hot air gun

As a result, hot air will come out of the nozzle of a homemade hair dryer.

DIY compact hot air gun
DIY compact hot air gun
DIY compact hot air gun

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