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Making a welding machine at home


Hello friends! I found an interesting article on the Instructables website on how to do electric arc welding do it yourself, from old waste materials. The author uses power from 12V batteries and therefore welding is poorly cooked, but it can be used instead of a soldering iron, soldered without rosin. But you can still connect the welding to a 240V network and cook as in full welding. I will show, I will try to explain in detail to you how he makes this device (Details in the video below).

Materials \ Tools
1. Transformer 220V / 50Hz
2. Switch (off / on)
3. Copper cable (70 mm)
4. Hacksaw
5. Case from PC power supply
6. Pliers

Step 1: Removing the Secondary Winding

As can be seen in the photo, the author removes the secondary winding. To do this, he uses a hacksaw for metal. Cut carefully, do not damage the other winding.

Step 2: Adding a Secondary Winding

The author uses a 70 mm copper cable, you can use a different type of cable. A cable of 35 mm or more is recommended.

Step 3: Welding body

The author uses a computer power supply as a housing for welding. By making two cable holes in advance.

Step 4: Install the switch and the needle


The author uses a pedal from a children's motorcycle, but you can use a different switch. He also added a soldering iron needle. But as I said, you can choose your option.

Step 5: Design


In the final stage, the author collected all the wires in the case, arranged them, well fixed them and drilled two holes for power. I explained to you how, I could, please do not judge strictly. I hope you managed to make this project error-free the first time. Thanks for watching, like if not difficult.
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13 comments
This is a primitive trp for spot welding, just the author did not bother to explain.
But he explained that it can be cooked with it, “like ordinary welding”.))) And about the fact that it is an arc, too
About 70mm - the author had in mind the cross section of the wire and not 7 cm.

And the cross-section of the wire is measured in millimeters?
I’m saying, you’re fucking writing about things that you don’t even understand close!
This is a primitive trp for spot welding, just the author did not bother to explain. It is not so easy to weld any pipes, for this you need a trance twenty times more. From batteries, transformers do not work because direct current does not transform. About 70mm - the author had in mind the cross section of the wire and not 7 cm.
And the power of the converter from 12V to 220V? And how long will the system work (how many points will it weld) from the "batteries"?
That is what I was completely in solidarity with Delausam, so that ....
.... Uh-uh .... How would it be softer ....
..... Well why the heck to write about what you do not even have a distant concept! ???
For the Nobel Prize !!! For the fact that they were able to power the transformer from the batteries and solder without rosin !!!)))))
1. Transformer 220V / 50Hz

Exhaustively.))))
The author uses a 70 mm copper cable, in

... T.K., will any 7 cm go? )))
Please tell me in what situation may be required low power spot welding when 220V network unavailable?
Storyteller, tell us about
a needle from a soldering iron.
))
And if
The author uses power from 12V batteries
, then where are these "batteries" and why then a transformer?
In fact Khatul Madan absolutely right: study the materiel!
The author has no flaws. Descriptions of how to make a transformer of a microwave contact welding sea. And I was hoping to learn something new, but in addition to the incomprehensible translation of the article, from which I only understood what I was talking about from the pictures, I didn’t get anything (well, maybe I just had a little fun over the translation pearls of the type “But you can connect the welding to a 240V network and cook like on full welding ", and if you don’t connect it, will it cook worse?).
There are some flaws as well as all the rules.
It says that battery power then the power will be small then you can cook small parts. For example, you can’t weld a pipe at this power8
about how to do electric arc welding

Maybe still contact? And How
it can be used instead of a soldering iron, soldered without rosin.
? You first study the subject.

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