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How to make a homemade Welder (diagram)



How to wire it up!!!! https://www.youtube.com/watch?v=q0WA7IJq7pU

Overview of my welder https://www.youtube.com/watch?v=HD0Q4Hnq_Vk

This is simple but time consuming way to make a welder but in the end it is awesome and you pay a fraction of what you would for a normal welder and you need to put in a special circuit but not for this welder. The maximum you will pay is around $50

Click here for the diagram:
http://i21.servimg.com/u/f21/16/31/83/81/keep_w10.jpg

FACEBOOK: where the questions are answered fast https://www.facebook.com/pages/Shortyjk95/107624339319773


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Comments:

Author Brett Stafford ( ago)
I found 2 medal halide transformers heres the images will these work for a
welder?
http://i1323.photobucket.com/albums/u590/Brett_Stafford/0113151941b_zpsf259ad79.jpg has
4 wires on bottom and one wire on top different then the ones your using.

Author Neo Tanatos ( ago)
how many wraps you puted on each secondary?

Author Joshua Puariea ( ago)
keep in mind you could also run primaries in paralell so you don't have to
use two different outlets.

Author kim alindao ( ago)
its easier to remove the secondary if you use piece of wood and hammer it
down with the help of a vise

Author Mamosh88 M88 ( ago)
could you please make a video into how to build a step Down transformer
from 220 to 110

Author Mamosh88 M88 ( ago)
Please, please, please change your camera man!!!

Author NYC Prepper ( ago)
where did you get those transformers? and by the way kid nice job

Author Brandon Palmer ( ago)
AC voltage (current coming from a unrectified transformer) doesn't have a
positive and negative. because it is AC (alternating Current).

Author Greg Stanley ( ago)
Nice video. I don't think I have the cojones to do this myself! Actually,
since I picked up a nice small everlast 140 welder I don't feel the need to
experiment with making my own. Pretty cool to watch others though. Mark, I
noticed Jody has a video out describing arc force you should check it out.

Author VerifyVeracity ( ago)
It's nice to see the youth, doing this type of things. Just be careful, we
need you to help compensate for all the for all the youth that are growing
up just wasting their lives & that will likely be a burden to society. I
want to thank your dad's or whoever it is that is helping you learn what
your doing.

Author Micheal Osborn ( ago)
by the quality of the video you must have a choad 

Author Mark Stevansen ( ago)
I'm with you brother. Nothing beats an Inverter welder with hot start and
arc force control.

Author Black Cat Kuro ( ago)
nicely done guys

Author Jonathan Little ( ago)
Hey, nice project. Personally I would have bought a small Everlast welder
but if you are a DIY type of guy and just playing around that's pretty
cool.

Author elpoder1971 ( ago)
I already got 2 transformers. I wonder if it's up to you to decide the (+)
or (-) pole on the secundary. I mean either pole is fine or there's
something I'm missing? Thanks a lot and keep up the good work !

Author Andrew White ( ago)
not very good idea what you have done because of the heat build but know
your young but please but the fan in there from the microwave to help a
little bit becareful and good luck

Author TrueNorthNorway1970 ( ago)
interesting stuff. thanks. Will try myself in a while. 

Author Mihkel Laansoo ( ago)
Are you fucking mad? Im not sure but useing EI transformers from fucking
microwave is stupid. What i did was: 1200va 400v primary with 55v primary,
soldered 2 11mmsq to the transformer sec and added 400A bridge diode with
50kuf caps, all 100v 16 of them, ... thats insane, i could spotwent but it
just melts everything... But welding with rods is way vetter than any other
. Dint cost me anything, had all parts laying around, you should try
toroid, its probably the best, 

Author dercebe ( ago)
Great project. Looked a bit crappy at first sight, but I am amazed at how
well it works as well as how well you handle the welding process. Keep up
the good work....

Author Gono Lara ( ago)
Smart kids, next time got to Harbor Freight, they have welders for 80 bucks
and save the headache!!!

Author bigvell02 (374 years ago)
These kids did their thing. there's more than 1 way to make a welder. Just
think of their talent when they get older

Author Jonathan Slater ( ago)
was this filmed with a potato or what?

Author Brandon Palmer ( ago)
i used 3 mots and it worked better.

Author Ian Browning ( ago)
Ok, I built one of these and all it will do is stick my welding rods to the
metal. 2 mots wound with aprox 20 winds of 10ga wire, wired in series. What
could my problem be?

Author 6023Nath ( ago)
To many haters here, great vid. I cant believe how well it works. What
transformers are they/from?

Author engineprojects ( ago)
well je u apsolutlie richt man its to exspensive and u can make one why
spent much monny indeed

Author engineprojects ( ago)
u a question i dont know what a welder kost there but here i can get an
welder for 30 uero so eee why make one 

Author engineprojects ( ago)
rong way to remove that copper just knock it out 

Author swg1987 ( ago)
not bad kid not at all really cool

Author King Hunter ( ago)
5:42 epic explanation starts

Author BenjaminForge ( ago)
hey dont be hating just cause he sounds like justin beber

Author soulmasterdw ( ago)
watch out pluging in 2 diferent sockets some houses run on 2 phase power
and could help to put a choke on secondary side these transformers are
great for tube amps etc also were the filament wing is theres little metal
tabs these are shunts pull them out if u want to make a big tranny cut out
sheet metal into long strips paint them so there insulated wrap it sos its
like a tape roll can use sperate strips put some materail tape around it or
somethink else to stop shrap edges cuting wire 

Author Moronicsmurf ( ago)
Cool, u build a DC rectifier with and Amp bridge. Thats is really not a
welder, cause the ark will not really maintain peak amp all the time.. BUT,
you have acomplished something most teenagers wouldnt.. And that without
burning down your house. Kudos! Now... Make a real rectifier instead, you
have the basic knowledge. And make sure it stabilizes the amperage drawn.
And will not oscilliate and not risk catching on fire. Once again, kudos!,
cool experiment.

Author risk3715 ( ago)
So are we to understand that you put a rectifier or diode bridge and some
extra stuff into your welder to change it to DC? Because, based off your
video and the way you wired this particular welder up it's still just an AC
welder. (Just two MOT's and wire, right?) Oh well... kids will be kids and
they'll continue to think they know everything. Anyway, good job for
building a little welder! (even if you don't know how it really works)

Author possum66669 (1963 years ago)
this is awsome fuck all the haters posting dumb shit i like i want to make
me one for the hell of it nice jobe and just remember to strike the arc and
keep it in the puddle of molting metal and slitly wiggle it side to side
pratice make perfect next you need to make a rectifier to make it DC and
then make a home made tig welder! have the complete package!

Author hotchicksandpuppies ( ago)
In the end it welded. Im guessing?

Author agripino malatesta ( ago)
Nice vid , but remember ! : Exposing your genitals to radiation is very
dangerous. That can cause you infertility. Always use protection !!

Author Car AudioDriver (ThePowerOfZero) ( ago)
damn kid slow down abit with your talking hard to follow im going to make
one with some transistor i have around here for controlling the amps for
welding

Author IBoosted SS ( ago)
Children and raw electricity..... Hm, where's the big children?

Author MrFuriousG ( ago)
Those rods look pretty big, you should maybe try some 2.6mm or even 2mm
rods, I reckon you would get better results, and it would be easier for the
young fella to learn with. He'll probably be over stick welders by xmas and
be begging you to buy him a tig..

Author juan cristales ( ago)
hola si lees mi mensaje te pido que me ayudes hice uno pero no me responde
como el que muestras en el video espero em digas en que me equivoque
porfavor te lo agradecere mucho ok

Author Txbassmaster96 ( ago)
You do realize you can an electrode holder and ground clamp for $20.

Author James Farina ( ago)
@scottishmale1970 fuck you.

Author pa maj ( ago)
After spending days researching this setup on YouTube i have come yo
realize that the amps and volts entering the machine is most
dangerous,after passing first mot volts drop approx to 40vac and amps go up
to 40 or so,not so dangerous,then after passing second mot vac drop to 20
and amps go up to 80 or so,even safe to touch electrode end and ground end
with both hands,the way i see it,if everything is boxed in safe and made
good, casings of mots earthed to power outlet then good job! well done!

Author Car AudioDriver (ThePowerOfZero) ( ago)
I dont know why should experiment with it hes Brother should know it is
dangerous big i never had transformers like that i would like to have 1or2
now

Author Car AudioDriver (ThePowerOfZero) ( ago)
@hellrose1228 its not about the 90 $ for a welder....

Author scottishmale1970 (576 years ago)
why let kids near any type of welding equipment never mind home made un
tested equipment 

Author Harmonlisa ( ago)
@hellrose1228 I am sure the inurance company will deny any claims after
seeing this video.

Author Remi Kvalheim ( ago)
@shortyjk95 explane it step by step in the vid girl... no need to haste

Author staticincanmore ( ago)
@shortyjk95 Really? Asking me to subscribe/comment/talking about your cam
quality/apology for mower/etc... Are all things I would ask about if they
weren't plastered all over the screen? I dunno about that.....

Author staticincanmore ( ago)
too many annotations, annoying as hell.

Author archeryman5000 ( ago)
cut the weld on the laminations and pull the secondary off whole the add
you secondary and re-install the laminations

Author Magnús (1926 years ago)
Try to keep your arc stedy

Author joe muncey ( ago)
good welds for a beginner with a home made welding rig.Btw you should try
1/16 inch welding rods, they work verry well with low amperage welders. 

Author CocktaiLMolotovX ( ago)
the voice of this young teen is absolutely crap.

Author Electrodudeify ( ago)
Wire them up in parallel, you will get more current. 

Author haveyouseenhim89 ( ago)
how much did it costed you?

Author Julián Barrera ( ago)
who the fuck film this video, a dog????

Author smileynirvana2 (725 years ago)
i wouldnt do this to save money but anyone learning to weld could use this
as a great learning tool. one thing though for practice the hardest thing
to weld with is coat hanger. if you can master welding with coat hanger you
can weld with anything. good job fellas i wish i started welding as young
as you guys. 

Author MPRdrummer ( ago)
I can't seem to trust your instructions, mainly because your voice sounds
like your 10 years old. 

Author Farooq Shera ( ago)
from where did you get the transformer

Author xrggn ( ago)
CAn YOU MAKE AN IED TOO?

Author Bruno Alexandre ( ago)
How Thick Copper .. how many mm ?? do not speak English I am
Brazilian,......... hug

Author Senttrix ( ago)
there is no positive. wall power is oscillating

Author Digadogup ( ago)
you guys are playing with death XD. and it seems like he has let you take
one of his pawns.

Author General .Cinema ( ago)
@kc5cxu Practice makes perfect. I'm sure it took you years to gain that
amount of douchbagerdness

Author Andrew Schembri ( ago)
how do you know that your primary can take that current? and also won't the
transformer heating up reduce its lifespan due to insulation melting?
thanks 

Author Jimmy O. ( ago)
@shortyjk95 see all you really need the volts for is for keeping a contact
but amps are what melts the metal meaning you can have a tun of amps and
like .5v and weld like crazy ive seen it done but that welding a clan
serface to weld rust and durt filled places you need only like 15 v and a
tun of amps idk how mutch that would be i dont want to do the math and to
get more amps you literally use a ticker wire and wrap it less times i mean
you can make a welder out of 1 but 2 is better

Author Jimmy O. ( ago)
i think like 8 gauge should work for that and not get hot.. you should put
in a 15 amp breaker in the box so if it trips you just reset from there not
your house with a 20 amp breaker.... in AC there is no + or - its hot and
neutral sorta the same but its more of a safe thing because neutral is safe
to work on and hot is not... its easier to get shocked with AC ... just so
you look like you know more about what your talking about in the future

Author Jimmy O. ( ago)
@shortyjk95 eh i broke a good multi meeter with thos and it was no fun....
step dad bought me a new one...way better... and it dose matte rif they
arnt need and wrap around eachother it alters magnetic feanld and you losse
qwite abit of power... you have 2 transformers.. you dont need 20 wraps
each and hears a little help the thicker the wire and the less wraps and
more wraps on the non modified part = higher amps ... and you use more amps
than voltage in welding like that

Author Jimmy O. ( ago)
god you dont know much about electronics but um ya it dose matter what way
you wire the transformers and you should have used a thicker wire but it
looks like you got lucky with the wiring of the transformers and put the
hot in the welding rod and the nutril in whatever your welding that's
pretty important

Author thecactustree ( ago)
Yeah i had my research wrong... taken from instructables... If the
secondary has more turns than the input, its output voltage is higher.
OUTPUT VOLTAGE = INPUT VOLTAGE * (# OF 2NDARY TURNS) / (# OF PRIMARY TURNS)
Our primary has 100 turns and gets connected to 100 volts AC. We're winding
20 turns on the secondary, so we'll get about 20 volts out. The available
POWER STAYS THE SAME regardless of what the output VOLTAGE is. POWER
(WATTS) = AMPS * VOLTS

Author hobomnky ( ago)
@thecactustree what u said makes no sense... the number of tursn on the
primary has nothing to do with how many watts i can give 

Author hobomnky ( ago)
i dont get y everyone fails at getting the secondaries out i got it out in
two pieces, u jsut hack saw one end off clean, then u pull out the thick
wire that goes around abt 4 turns( this gives u wiggle room) and u wiggle
the rest of the secondary out with some rod

Author thecactustree ( ago)
@rjpatapat The wire you wrapped should be insulated 10gauge with preferably
the highest heat toleration you can find.

Author thecactustree ( ago)
@toxicproductions100 I worked on it with him. We are running on 2 DIFFERENT
CIRCUITS because of the amperage problem. We were running on a 10A and a
15A curcuit. It should be fine right there, because the 10A was also
powering lights inside the house. The welder outputs around 36V and ~100A.
Our amperage gauge on the multimeter wasn't working, so I have no idea how
many amps the welder draws.

Author KRAYSLiCK999 ( ago)
hey how much welds can u get before the mots get hot ??

Author Zorrobeat ( ago)
where are the diods for the plus and minus pole? 

Author djjason9993 ( ago)
Please can you send me a diagram of the circuit with the amounts of turns
and diameter of wire shown on jason.14m@gmail.com thanks a lot looking
froward to build one 

Author Colin P ( ago)
Did you use the plug-ins from the microwaves to power the transformers

Author kelle ruggiero ( ago)
what kind of rods do you guys use .......cause i just made one

Author butterfly AKA-Street ( ago)
@shortyjk95 thx m8

Author butterfly AKA-Street ( ago)
dude make anuther vid with more detailes on how you wired the darn thing

Author web1bastler ( ago)
and the ground is usually the negative (minus, cathode, -) and Vcc is
Positive (plus, anode, +) and why is a kiddy like you playing with 220Volts
Thats VERY VERY VERY DANGEROUS DUDE 

Author web1bastler ( ago)
but you have no rectivier and so you would have ac and not dc with + and -
you have only ~ and~

Author toxicproductions100 ( ago)
Ok I built one but mine is pulling 20amps 220v (immediately took out the
16amp breaker) how many amps is yours pulling?

Author toxicproductions100 ( ago)
@shortyjk95 do they both have to be exaktaly 20 volts because mine is 16
volts

Author toxicproductions100 ( ago)
cool i want to build one,ive already got one mot (800W) does the other mot
also need to be 800W ? anyway how many wats are your mots? Please reply!

Author rjpatapat ( ago)
@shortyjk95 i ask somthing a question for you... just pls........ answer..
question: if in your house have an 220 volts ac of output the ,,primary of
the transformer have the same number of turns of coils in the output of you
house ,, have an 220 turns in the primary.. im asking bcoz im making mi own
transformer..

Author rjpatapat ( ago)
hey guys! if you turn 1 coil into secondary it gives you a volt?

Author rjpatapat ( ago)
@shortyjk95 if you turn 1 coil into the secondary it gives you a 1 volt?

Author rjpatapat ( ago)
thanks from this video to me now im working my homemade kart soon i upload
it in youtube. thanks alot.

Author rjpatapat ( ago)
@shortyjk95 thanks! bro.

Author rjpatapat ( ago)
where can you buy thats transformer?

Author rjpatapat ( ago)
the wire has naked or no? plss.. answer. 

Author rjpatapat ( ago)
hey how many windings?

Author rjpatapat ( ago)
hey! how many windings of wire wrap on that microweyv transformer?
something like 20 or 21 yes or no if you say no give number og windings
plss..

Author unromeo21 ( ago)
HAHAHAHAA... positive and negative on a AC transformer without a bridge
rectifier ????????????? You sure have an A+ for this ! 

Author goofy luck ( ago)
lol, 8:38

Author uvasam13 ( ago)
@shortyjk95 - oh nice, I have a little 110 amp arc welder and i just wanted
to see comparison. 60-80 amps is very good for homemade! Keep buildin' 

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