There is no more effective and versatile abrasive device than sandblasting. They can remove rust from surfaces with complex terrain, remove old paint, etc. If you have a compressor, you simply must make one, because it is not at all difficult.
Materials:
- Gas cylinder 20 l;
- nipples 1/2 inch – 2 pcs.;
- pipe 25 mm;
- pressure reducing valve with pressure gauge;
- tees 1/2 inch – 2 pcs.;
- ball valves 1/2 inch – 2 pcs.;
- 1/2 inch fittings for the hose – 3 pcs.;
- cart wheels – 2 pcs.;
- hose.
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The process of making sandblasting from a gas cylinder
First of all, unscrew the valve of the gas cylinder. Instead, you need to screw in the tube, having previously cut a thread on it. Through it we will pour sand into the balloon. You can close the tube with a regular plumbing plug.
We drill a hole in the side and cut a thread in it.
A nipple is screwed into it, onto which the tee is screwed.
We screw a regular ball valve into the tee.Then a pressure reducing valve with a pressure gauge is connected to it. Air from the compressor will be supplied directly through the latter.
A hole is visible in the bottom of the container.
A tee is also connected to it using a nipple.
Hose fittings are screwed into the open outlets of the tees. After this, you need to connect the upper and lower tees with a hose.
The air-sand mixture supply hose is connected to the open fitting at the bottom of the cylinder. Wheels and a leg are welded to the bottom of the cylinder.
A ball valve with a tip is installed on the sand supply hose. After this, you can fill in the sifted sand.
The filler neck is then closed with a plug.
Before turning on the compressor, all taps must be closed. When the receiver is full, open the first tap on the cylinder. As a result, air will fill the sandblast.
Sand is supplied when the tap on the hose is opened.
