Today we will assemble a powerful spot welding from a vacuum cleaner. Do-it-yourself spot welding you will surely like, for its mobility, compactness and capabilities. Not every store spot welding can operate on 220 and 380 volts. My spot welding is not inferior, but somewhere even surpasses factory analogues and coolly makes body repairs.
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This is my fifth spot-welding video. At first, I put together a budget spot welding for one-time body repair work; in another video, powerful contact welding was presented. There is a video about the assembly of spot welding with useful tips for dummies.
First rewound the primary winding of the transformer. He took off his bondage. The magnetic circuit knocked a little without disconnecting. Made devices for rewinding. And unwound both primary windings. The design for winding a little improved. The coils are spread four meters wide. And he clamped it so that they turned with difficulty. And turn by turn, layer by layer, slowly rewound. Between layers as an insulation used a baking sleeve. This film is quite durable and can withstand temperatures up to 200 degrees. Further, he wound two shafts with his own hands over the entire area. It turned out exactly 4 turns. Then he wound two more tires on top. Dismantled - a vacuum cleaner. I cut out everything that prevented ... And after the first fitting I already knew that everything would fit. Modular electronics will be on the front panel. But, the panel has a rounded shape - I had to trim it.
Heated the plastic hairdryer not very much, and with the help of a bar he made the center of the panel flat. Then he drilled and cut out windows and holes for the board, then he fused it with a soldering iron for the mounting for the boards. Grinded with an orbital machine and painted. Next, I picked up a small transformer to power the modular electronics. Any 9-12 volt AC transformer will do. For manual mode, I used a push button switch. Resistance welding was with a dual-mode toggle switch.
Installation of wiring was done strictly according to the scheme which you can download on my website. A powerful spot welding from a vacuum cleaner was powered by a three-wire cable. The yellow-green wire will be zero. 380V will be supplied to blue and brown. That is, I will connect two phases.
Having finished wiring, he began body repair. Conducted test tests. Then he besieged the heat shrink and laid the wiring carefully. I like how compact and neatly assembled spot welding with your own hands.
Behind the scenes, I conducted a bunch of tests and decided that a powerful spot welding from a vacuum cleaner has a weak spot. This is a relay. It works now. But. sooner or later it may burn out. Therefore, the other day I will replace it with a contactor with my own hands. Behind the scenes, I tried to simplify the circuit, replacing the MOC3021 seven-cell optocoupler with the MOC3062 more powerful, but I had to abandon the idea and solder my native optocoupler back. Because the thyristor did not work. If you have thoughts on how to improve this board, write in the comments. AT
I think you know how a good spot welding differs from others? A good and powerful spot welding from a vacuum cleaner when working with a reverse hammer, for example, does not burn through the soil on the back of the metal and does not leave snot on the front side. This spot welding is really good. It can cook 18650 batteries, and if necessary it can melt washers. For tests, I took a car door and tin from a barrel. I used an old screwdriver as a pistol. Alteration of a screwdriver for a gun is in the clip about a budget spot welding.
I conducted tests more than enough. And I can say that this is a really powerful spot welding from a vacuum cleaner. This do-it-yourself spot welding is really cool homemade.
Resistance welding turned out better than I expected. And this is a cool idea. This new home-made home-made product perfectly cooks and warms up metal.
That's all dear friends. For you, the author of the channel 1000 DIY's and Advice tried - 1000 DIY AND TIPS