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MK2 Escort 1300GT
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618 Posts
Discussion Starter #1
Hello guys i was just curouis is it easy to mig weld, as i have used oxy before in year 11 and iam wondering if i get a mig welder would it be easy to use as i have to do some welding and figured i could save alot if i do the rust repairs myself. is there any eye gear that you have to wear and would i have to make sure people dont come any were near were iam welding??

how much would a cheap good mig welder cost??
 

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known as tibbo
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2,033 Posts
mig welding is known as monkey welding.. Its very easy just point and press the trigger...Same rules apply --> wear a standards approved welding mask, gloves and fold your socks over your shoes..hot slag in your boots is a killer, long sleeves and jeans unless you want killer sunburn..Don't let anyone look directly at the arc...Dont weld anywhere near your fuel filler or tank.. remove the '-' on the battery

don't buy one just hire a decent one for a day or two.. ohh and make sure its 240 volts not 3 phase... Don't try to weld the panels as such with a mig the arc area is too hot and you will get alot of panel distortion.. You should really use a T.I.G welder but they are alot harder but so much neater..But with a MIG just tac the panels and then run very small stich welds to hold it in place..another tip is to have a bucket of water and a rag and cool each section off immediatley to reduce heat distortion
 

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Senior Events Moderator
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1,710 Posts
tibbo said:
mig welding is known as monkey welding.. Its very easy just point and press the trigger...Same rules apply --> wear a standards approved welding mask, gloves and fold your socks over your shoes..hot slag in your boots is a killer, long sleeves and jeans unless you want killer sunburn..Don't let anyone look directly at the arc...Dont weld anywhere near your fuel filler or tank.. remove the '-' on the battery

don't buy one just hire a decent one for a day or two.. ohh and make sure its 240 volts not 3 phase... Don't try to weld the panels as such with a mig the arc area is too hot and you will get alot of panel distortion.. You should really use a T.I.G welder but they are alot harder but so much neater..But with a MIG just tac the panels and then run very small stich welds to hold it in place..another tip is to have a bucket of water and a rag and cool each section off immediatley to reduce heat distortion
Thats some good tips you have there mate. I will keep these in mind next time i need to do something similar. Are you a welder by trade.

Also EA90_S you should post up some pics of your welding and fixing of panels. Also you can write a bit of a how to for those of us who dont know if you like :wnc: .

Just a thought
 

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pR()rN_*
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1,966 Posts
yeah as above mig welding is very easy.
For panel work tig is much better but also harder to learn (tig also requires perfectly clean metal to work correctly)
to be honest the cost of buying a mig welder (800+for a good one plus higher of the gas bottles) is not worth it if your getting your own rust repaired. Money better spend on getting some other poor bastard to do it with better equipment.
What exactly is it on the car you want fixed? You may be better off simply replacing the panels.
If you plan to really work at it and make lots of cool stuff and do cheap work for your mates then get one other wise spend the money else where!
 

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MK2 Escort 1300GT
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618 Posts
Discussion Starter #5 (Edited)
Yer i need to replace the heater hump and bulk head top plate in my escort and weld on my new rear arches and weld a tube in the firewall for a clutch cable. what the 800+ for a mig welder seems like iam stuffed. its gonna cost me like 100 for each arch then for the bulkhead i may have to take off the head gotta try and see if i can strike a deal with the guy.
 

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pR()rN_*
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1,966 Posts
ahhh the old heater hump... they rust good unfortunatly.

yeah get a kitted out mate to do it for a couple of cartons.
I'd love a mig welder to but I'd never use it enough.
 

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MK2 Escort 1300GT
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618 Posts
Discussion Starter #7
Yer iam gonna make it so i can remove it anytime using bolts or somethin. unfornunalty we aint mates so iam gonna have to pay alot :(
 

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Pursuit Reincarnation Dog
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7,777 Posts
I bought a MIG welder when I was an apprentice over 10 years ago and I still have it and it comes in handy every so often. When you think about it it's saved me a fortune in time and money stuffing around getting small jobs done and it cost me maybe $900 at the time. It's a Unimig 120 which is portable and still handles pretty much everything.

I have done panel work and the trick is to use cadence welding at high amps. What you do is crank up the amps and notch up the wire feed. Clean/prep the metal well and apply anti-spatter spray. Also, where possible use a heatsink on the rear of the weld area. Then weld very small sections at a time (like one-two seconds at a time and apply in stitches over different areas). You can then come back and fill in the gaps to reduce the overall heat loading into the metal. The high amps short duration keeps distortion down and reduces burn through.

having said all that you should have seen some of the stuff ups I did when I was learning. In the end I went to a wrecker and scabbed some stuffed panels to learn on.
 

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Registered
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582 Posts
Aussie Pete said:
I bought a MIG welder when I was an apprentice over 10 years ago and I still have it and it comes in handy every so often. When you think about it it's saved me a fortune in time and money stuffing around getting small jobs done and it cost me maybe $900 at the time. It's a Unimig 120 which is portable and still handles pretty much everything.

I have done panel work and the trick is to use cadence welding at high amps. What you do is crank up the amps and notch up the wire feed. Clean/prep the metal well and apply anti-spatter spray. Also, where possible use a heatsink on the rear of the weld area. Then weld very small sections at a time (like one-two seconds at a time and apply in stitches over different areas). You can then come back and fill in the gaps to reduce the overall heat loading into the metal. The high amps short duration keeps distortion down and reduces burn through.

having said all that you should have seen some of the stuff ups I did when I was learning. In the end I went to a wrecker and scabbed some stuffed panels to learn on.

AP thats good advice if ever i heard it. i have a small portable mig myself...its paid for itself on my car threefold. exhaust, turbo dump pipe, exhaust manifold,bumper bar brackets, coil pack bracket ...all of these projects were done with the help of my trusty MIG. like AP said welding panels can be tricky(thin steel easy to warp, burn through etc) but once you get the hang of it its great to see something that you yourself have fixed.
 

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MK2 Escort 1300GT
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618 Posts
Discussion Starter #11
How hard is it to use a tig welder coz i had a look and seems like its perfect for auto body work thin steel. and why do people say its so hard??
 

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known as tibbo
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2,033 Posts
because you have to
1. be very careful of the concentrated arc out of the tungsten
2. U need both hands to weld, one to steer the torch and the other to feed the filler wire in manually.
3. TIG is not as friendly when it comes to impurities and dirty/painted steel
 

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MK2 Escort 1300GT
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618 Posts
Discussion Starter #13
ah ok so looks like iam gonna have to hire a mig welder or get myself a early bday present hehe. how much would would one cost to hire?? does it come with all the safty gear? and would i have to get the feed wire made from thin steel yer.
 

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Two SC 61's = trouble
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6,360 Posts
If you can afford it gas is much better.Though renting cylinders is pita ...
Used it also to make turbo manifolds etc..
The tigs that are good for alloy prices start at around $4k...
Migs from $400 gasless to $800+ for gas..
Newer migs are electronic digital.Welding time can be set for
tack welding etc..Uni mig 210 saved me heaps..
 

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Happy lil Vegemite
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188 Posts
I've got an elcheapo Sips gasless MIG, its o.k just for fartin around with. Gas is the way to go. Spose you've really got to weigh up costs and how much you'll use it. I'm lucky cause a mates got Gas if I want to do serious stuff.
Lots of good advice in this thread to.
p.s welding is a bit on an art and not everyone picks it up that easily so if you know of anyone that owns a welder mig/tig or even arc, bug them for a play on it before you go spending big heaps of money and finding out its not for you.
 

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AU3 Falcon XR8 Ute (auto)
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357 Posts
I have a CIGWELD Transmig 130 Twin - it does both gas and gasless and I think it's a nice unit. Power is not totally variable, but you have 4 settings which are pretty useful. I dunno if you can still get this welder - I think you still can but it may be called something else now. From memory I paid just over $600, but that was a trade-day special. An advantage of this unit is you can learn to use gasless which is real easy, then go to gas when you get decent at it. Runs of 10amp socket too.
 

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aka "Mr BURNOUTworld"
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658 Posts
Thanks for posting the thread up EA90_S, saved me from doing it. If your doing up several cars in your lifetime buy a MIG welder, otherwise I've found it's cheaper to a) get somebody else to do it
b) hire one

Using a MIG isn't that difficult. It's using one to weld up your panels without doing more damage then good is where it gets hard.

Thanks for all your input guys...
 

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MK2 Escort 1300GT
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618 Posts
Discussion Starter #18
ill have to get one as ive got 2 cars that need fixing. ive heard that gas is the way to go as it gives better welds and with car panels they say that u have to "tac" it on like stich it not run it arond the join or it will burn holes. iam looking for a mig that is adjusteble. i need to do it myself coz the quote i got was nearly 1500 just to do some rust repairs so i might as well do it myself and learn in the process.
 

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ST170ish
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610 Posts
Hey dont be scared of buying a mig, there not just for cars.
I brought one just to make my front fence(brick and metal panels), I brought the black steel from a auction for $200(got heap left over, like 150m worth) and brought a mig $750 dual sip/ cutoff saw$150 gmc elcheapo/ 8" bench grider$180 Maca/ dremal multi-tool$120 and a floor drill press$350 coz I always wanted one.
All up $1630 +$200 migwire griding disc's etc etc
Many people have commented about how good my fence is going to look(still not finished), some of them work for a metal fabrication mob they reckon if they were to make these panels theyed charge at least $1000-1500 per panel!(3m lenght/3 of them plus a archway/access gate)
And a big hint if your welding on a car, dont do what I did on my escort while welding up some new seat mounts, cover all windows as the sparks melt into them doh...I should have known better, anyone got a spare Mk11 windscreen?
 

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BA'o'Matic 100% working.
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3,838 Posts
I know off a whole MK11 it looks like a MK11 cortina for sale, its in VIC its in MT Waverely, no idea what the guy wants, has it just sitting in the front yard with 4 sale on it.

PM me and I will give you the address if you are interested.
 
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