I got a large CO2 Bottle and regulator

[Taliesins]

OK guys on advice from this forum I got a large CO2 bottle and regulator for my mig welder. What pressure do I run the gas at?? The guage is in Bars.

[BUSHWHACKER]

OK guys on advice from this forum I got a large CO2 bottle and regulator for my mig welder. What pressure do I run the gas at?? The guage is in Bars.

Dunno what pressure, I always set it by sound. Just a bit louder than a mouse fart is about right.

Where did you get your bottle from?

I'm using gas-less welding wire at the moment, only reason being is that I got five reels of it really cheap. Welds just as good as using gas, and no modifications to the welder but creates a load of smoke so I've got a fan blowing it away as I weld.

[surfenstein]

Dunno what pressure, I always set it by sound. Just a bit louder than a mouse fart is about right.

Where did you get your bottle from?

I'm using gas-less welding wire at the moment, only reason being is that I got five reels of it really cheap. Welds just as good as using gas, and no modifications to the welder but creates a load of smoke so I've got a fan blowing it away as I weld.

i take it your using c02 gas,i always set it to around 1 bar/14 p.s.i.vince i thought that you had to change the leads over when using gasless welding wire,i.e the earth lead becomes live.

[TonyN]

i take it your using c02 gas,i always set it to around 1 bar/14 p.s.i.vince i thought that you had to change the leads over when using gasless welding wire,i.e the earth lead becomes live.

I used to have cheapo halfords Mig, that I just used gas and wire or gasless wire other times (especially if outdoors and windy, gasless was better then.)

Didn't alter anything!

Prahaps why I thought it was rubbish though!!

[surfenstein]

the mig i got at home is a sip gas/gasless welder.there is two points for the earth lead.one is earth,and the other makes it live,for gasless wire welding,i could never get on with the gasless wire.pigeon $$$$ welding.give me a proper three phase welder anyday.

[Taliesins]

Dunno what pressure, I always set it by sound. Just a bit louder than a mouse fart is about right.

Where did you get your bottle from?

I'm using gas-less welding wire at the moment, only reason being is that I got five reels of it really cheap. Welds just as good as using gas, and no modifications to the welder but creates a load of smoke so I've got a fan blowing it away as I weld.

I got the bottle off ebay (14.75Kg of gas 33inch high bottle) I have also got one coming from the local Pub. The guage and pipe I got from machinemart.
I was using mine gassless before but found it had too much spatter. There is another full bottle on ebay at the moment

http://cgi.ebay.co.uk/ws/eBayISAPI.d...=1&rd=1:teeth:

[Gamedawn]

I had a CO2 bottle with my original welder that I got from a local fire extinguisher place - it was actually a converted fire extinguisher. Have now got a 170A set and use proper Argoshield and the difference is quite noticeable. I have got the advantage that the company bought the bottle though

[jamsironwork]

C02 is quite bad for spatter aswell but is ok for homework. two thirds of heat is generarted on the positive side of a DC welding circuit, flux cored wire should only be used with the wire negative.