Building a spot welder from an old microwave.
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- Опубліковано 27 сер 2024
- In this episode of More Tools Than Sense I take an old microwave and scavenge the parts needed to make a small spot welder ideal for tacking sheet metal together.
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Thanks to TeknoAxe for the music!
Never needed a spot welder before but this could be the start to a new hobby that requires more and more equipment
This video made it clear for me that I need to chuck out my old stick welder and by a new mig
Stick welders are great for larger pieces of metal where you just want to get a lot of heat and penetration, if you're trying to weld smaller stuff or sheet-metal, mig or tig is the only way.
Thanks! This was a perfect video for me. Picked up a neat trick for welding round tubing at an angle too. thanks :)
Great job $22.50 in material $800 in labor. Just kidding loved the video.
*HAHAHAHAHAHAHAHAHAHAHAHA*
*Cerveza For You* 🍺🍻
Transformer not transistor.
That vice is sweet.
It is a transformer, not a "transistor" :D
Lmmfao bro that's fuckin badass!!!!!
Given all I've learned about this project, I need someone who has built one to see if I'm crazy. CAN I put the long handles on detachable hinges, use longer wire so the welder can reach where a fixed hinged unit could not reach? Example is having a plate with one cable under my rabbit cages then reach in the door with other lead and repair a loose wire.
I mean, you could, in fact you can just skip the step of building the arms and leave the cables loose ( be careful) But really, I think you just want to use a mig welder for that.
@@MoreToolsThanSense I was hoping I could, I plan on welding wire on cages and my mig skills suck. I'm hoping for mild welds but knowing me, I'll burn all wires on first arc.
If you are going to go that rout, use the thickest wire you can get away with, although if push comes to shove you can use two transformers and tie their outputs together in series. It is a bit craptastic but if you need to use longer runs of wire it will be enough to offset the extra resistance from the longer run.
@@scurvofpcp I'm going to look at install a trigger from a reciprocating saw to act as a way to increase/decrease the power output. Once I have it done, I'll post a video and send you a link. Thanks for the advice.
@@richardbritt9685 Look into "Silicon Controlled Rectifiers" for that, or a "variac variable transformer"
The latter would be the most plug and play way of doing it, if you wanted to do it on the fast and nasty.
Size of wire to use secondary winding 35 sqmm or 50 sqmm please answer me
Trying to remember off the top of my head, I think I used 00 wire which is closer to 70sqmm, but 50 should work.
It sure seems like the welder he used to build the spot welder was working great.....what can a spot welder do that the mig cant ?
I’m confused I’ve watched many videos where people are knocking out the secondary coil and just wrapping wire in there which is insulated but where does this wire connect to any power source or does it just absorb electricity through the insulation? I don’t get it
I mean I see you’re too leads on the big cable let you coiled inside the transformer but what are they connected to and where
Essentially, yes. I'm no expert on electronics, but I beilive the elcotrmagnetic field is passed from one coil to the other, the number of wraps will change how the voltage is multiplied or divided.
BINGO! @@seanbirger3036
great video, if i may ask, what is the current output at the copper electrode? subscribed!
What kind of tool did you use in your vice to crimp the connector? Looked like a 1/2-in extension, ha.
I think it's actually part of a Mazda transmission, but an extension would surely work!
no grunt
Is it considered psd to you flick your own head down when someone else is welding in a video? :)
Lol, good practice either way!
I tried making this with 2 different transformers, didnt work. I fucking hate youtube
Gave it another shot still didn't work there's obviously a step not shown. If you make a tutorial you make so others can achieve the same goal. This is why youtube sux so much and youtubers are no talent hacks
You haven't even made any disclaimers, and you're telling people to go out and build something stupid, which is exactly what a lot of people will do, so you better hope you don't encourage somebody to build something and get themselves shocked or seriously hurt, because they'll come back and sue you! You better protect yourself, don't be stupid!
I think it's highly irresponsible to encourage people to go & dismantle microwaves as they can hold residual current which could kill someone who doesn't know what they're doing.
Especially when the 'teacher' doesn't seem to know the difference between a transistor and a transformer 😐
It can be dangerous if they dismantle microwave after it was turned on recently if it was disconnected from mains for days it's safe
I f u don't know compactiors can hold high levels of current u should not be taking apart anything in this day and age.
And no warnings
Just wrap yourself in cotton wool and you'll be fine.
So many posers
These are bad videos! You guys are going to get somebody killed! The first thing you should be saying is not to open the microwave or touch anything inside it until at least 10 minutes after being unplugged, even still you should be telling how to make sure there's no electrical charge left in those capacitors, because they can hold a large charge for a long time. People have gotten shocked messing with these when they don't know what they're doing! I haven't seen you mention anything about this, I'm surprised that you didn't get shocked!