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On-board MIG welder project


MogLite

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This is what the postman turned up with today

20_1_b.JPG

Bought of ebay US for $100 posted - cost me another £17.50 in duty and stuff, so a lot cheaper than the equivalent Ready Welders

With a spool of flux wire (it won't take gas) and 1,2 or 3 12V batteries, I should have a MIG welder I can use in the field :)

There is a wire speed control, but no power control, so some experimentation with wire speed and number and quality of batteries will be necessary.

There are two electrical connections, a power connection, and a smaller one which I assume is the earth for the wire feed motor.

Alas it didn't come with tips or a shroud, but I believe the Tweco stuff is resonably easy to get hold of.

Be a useful thing to have around I reckon.

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because it looks like that little thing would stick fag papers together :lol: you can get a lovely little tig plant no bigger than a car battery that'll push 160.expensive though.Plus i'm a tig welder and i've got a few in the workshop!

IF you are talking about inverter tig sets yes they are small and no i wouldnt say £150-£200 for a 150amp scratch start tig IS dear? <_<

I am also a TIG,MIG,MMA and gas welder! (with £1000,s worth of welders in my own workshop)

;)

Chris

PS the pic is only of the spool feed for the mig.

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What are the options for battery powered tig?

And what about just carrying some manual metal arc rods and using them with a set of jump leads? Not as easy to use but cheap and compact.

Trev - arc rods are a possibility, but my arc welding isn't up to much :(

However - you need different rods for things like axle cases etc.

With arc, to weld an axle case, you'd have to preheat it, weld it with a fancy rod, and then insulate it to allow it to cool slowly.

Not really practical in the field

With a MIG - just burn it in :D

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Eh northernchris you sure your not a southerner? £200 up north could buy you a plant hire company!!!

I'm also well versed in all welding disaplines but have found that i'm a natural TIG welder....expensive,unable to work in the cold and like working in breweries and chocolate factories!

I've read somewhere about a high output amp for car stereos that will put out 150 amp,more than enough for mig,tig and mma.

Lovin this thread.

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its a DC welder, can be used either with 24v car battery as a power source or as a spool gun for a mains powered welder - hook it to a TIG and have MIG facility,

For in the field use you can't beat em, they are easy to use and the ready welders I have handle 275amp at 60% on flux cored or 100% with gas, hot start ones are less fun to use but cold start is childs play

They also MIG ally quite happily

TIG in a muddy field? erm :D

Andy - Ive got some tips that should fit yours, sort you out when you bring the box up

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Andy - that looks fab!

I'd looked at these in the past but ruled them out as too expensive - but yours looks promising!

I've experimented a little, stick welding with my jump leads. The reason most people go for 24v isn't so much for the higher current delivery, it is that it is less effected by rust & carp on the surface.

If you are welding clean metal, 12v works fine. I reckon it was delivering about 80-100A on 12v with 2.5mm rods.

Mig would be wonderful by comparison!

Si

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