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Mig gas co2?

Started by _judgelj_ , Mar 03 2014 03:53 PM

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#51 TerrA LX

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Posted 06 March 2014 - 11:42 PM

Main things with soldier is clean clean clean, flux and run the soldier on the job, not the iron.

#52 _judgelj_

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Posted 13 March 2014 - 01:56 PM

So i was havng a browse today at bunnings, and what do you know? They sell disposable co2 bottles. Interesting stuff, particularly the way the advertise it as lasting 3 times longer, but having a greater cooling affect which requires higher power output. I might grab one an give it a go. Ill set it up with a gasless mig i have spare. What do i need to do to hook it up apart from gas wire? Do i need a different nozzle or special gas fittings? Does to plastic tube from the mig push over a barbed fitting or something?

Cheers


#53 Rockoz

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Posted 13 March 2014 - 03:26 PM

Usually get a little tap assembly with the mig that screws on to the bottle.

Then the hose connects to that.

The only thing you will need to do is change the polarity.

Two terminals usually bottom front of wire compartment.


#54 _toranatime_

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Posted 13 March 2014 - 03:34 PM

as above gas reg/ hose and change to polarity.

 

cheers


#55 _judgelj_

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Posted 13 March 2014 - 04:26 PM

I was looking at some mig 'gas' tips next to it i was a bit confused.

 

I wonder if the bottle comes with its own reg? I dont think my big reg will fit it...

I think ill give it a go for no particular reason. Is 130amp enough juice for co2?


#56 Rockoz

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Posted 13 March 2014 - 06:14 PM

Wont come with its own regulator.

Priced one of them once.

Was about the same price as the regulator for the real bottles.


#57 _judgelj_

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Posted 13 March 2014 - 08:29 PM

Wow probably not worth it then. 



Does the plastic hose push onto a barb on the reg? 


#58 _luv the uc_

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Posted 13 March 2014 - 10:08 PM

I bought the disposable gas and reg. was enough to replace the front floor section in my LC with no need to hire a bottle. Guy at the shop said as there is no gauge on the reg turn it down till you can just hear the flow and turn it up until weld quality gets better. Reg was expensive but bottles are cheap. Long term still beats rental.

#59 76lxhatch

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Posted 14 March 2014 - 06:51 AM

I spent $300 on a 5kg bottle, and $100 on a good reg with pressure and flow gauges (NZ prices, probably cheaper for you guys)

#60 _judgelj_

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Posted 14 March 2014 - 12:32 PM

Yeah that seems to be the go. Just thought it would be a good way to test co2 see if it suits me. 


#61 racean69

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Posted 14 March 2014 - 06:45 PM

an oxy regulator can be used for argon.


#62 _judgelj_

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Posted 14 March 2014 - 08:03 PM

I have an old CIG reg with AIR marked on both dials. What would this have been for? 


#63 Rockoz

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Posted 14 March 2014 - 08:20 PM

Compressed air


#64 _judgelj_

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Posted 14 March 2014 - 08:52 PM

Really? I know its pretty obvious but i thought being made by cig it would be for gas. Didnt know they did compressed air. Besides, its very unlike any air reg i've seen. Maybe before my time


#65 wot179

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Posted 14 March 2014 - 10:54 PM

Compressed air is a gas.


#66 _judgelj_

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Posted 15 March 2014 - 01:14 AM

Didn't know that.. Interesting

#67 TerrA LX

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Posted 15 March 2014 - 06:38 AM

Yes, they do the black oxygen bottles for welding and they also fill medical grade oxygen.
I don't know if they actually fill atmosphere air we breathe into cylinders, I do believe they have a machine that separates oxygen, nitrogen etc from air. If you are that interested I can ask for you.
I know some of gasses they do come in liquid or powder form and are converted or broken down into gas.
FWIW most gasses compress into liquid anyway, depends how far it is compressed.

I even seen medical grade argon two days ago.
First time I've seen that gas used for medical reasons.

Edited by TerrA LX, 15 March 2014 - 06:39 AM.

#68 wot179

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Posted 15 March 2014 - 09:05 AM

Well, its not a liquid or a solid....its just primary school science.


#69 Rockoz

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Posted 15 March 2014 - 12:44 PM

Have used compressed air in a bottle to blow pull lines into conduit.

Its just high pressure air.

Pretty sure some race teams used it years ago to run tools in the pits.

Useful when no electricity to run a compressor.


#70 _judgelj_

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Posted 15 March 2014 - 12:53 PM

It's pretty much the same reg as you would have on an oxy. Must have been intended to be used with a bottle.

#71 Rockoz

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Posted 20 March 2014 - 06:54 PM

http://www.ebay.com....=item4d0ec966fc

 

may be of some interest


#72 _judgelj_

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Posted 20 March 2014 - 07:59 PM

I saw those. It's a class c bottle.


How big is class c in kg? Or compared to 6kg class E?


#73 Rockoz

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Posted 20 March 2014 - 10:34 PM

Its still not huge.

Says its 3 times the gas of the disposables.

Think its comparable in physical size to the disposables.

Thats what Im reading into the description anyway.


#74 wot179

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Posted 20 March 2014 - 11:06 PM

70 bucks to fill that?

 

frOck off!


#75 _judgelj_

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Posted 20 March 2014 - 11:50 PM

Yeah its a bit expensive. I know i want something for nothing but this makes you wanna rent a bottle



its like 110 to refil a 6kg bottle.


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