arther dailey
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looks like I will be reading up on this, and many thanks Omniata, Hugh and all.Arther
- Thread starter arther dailey
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HughF
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Universal and heavy have more co2 so you stay in short circuit for out of position work at higher voltages. If everyone ran 95/5 then you'd be in Spray at too low a voltage to have puddle control on thick positional work.
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I was welding (Successfully) 1.2mm with 1.2mm wire today
Omniata
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I was welding (Successfully) 1.2mm with 1.2mm wire today
How fast were you running?!henry Kadzielski
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Good morning gents.
Several weeks ago I welded .6mm S/S exhaust bellows to a 12mm S/S flange using .9mm steel wire. Not the prefered way of doing it but the original welds and tacks had cracked so it was a patchup. Gas was 93Ar 3Co2 2O2 light. Had to get it back on the plane and to the job. Finish was, and supprised me, spectacular 'good'. Even the customer, when he received it commented why was it not like that in the beggining. I told him that I didn't weld it in the first place, it came from the manufacturer like that. Mind you it had already done about 50000hrs on this boat
Welding is about machine setup and machine capability. Some machines can run thin wire and weld at high voltages (mig) due to the capability of the drive motors. The new toy I have has the capability to go astronomically high in wire feed rate (something like 25m/min). Now it lets you know that this is outside the operational limits of the wire diameter, but it will do it none the less. Even makes me look like I know what I am doing, which is why I got it in the first place
Several weeks ago I welded .6mm S/S exhaust bellows to a 12mm S/S flange using .9mm steel wire. Not the prefered way of doing it but the original welds and tacks had cracked so it was a patchup. Gas was 93Ar 3Co2 2O2 light. Had to get it back on the plane and to the job. Finish was, and supprised me, spectacular 'good'. Even the customer, when he received it commented why was it not like that in the beggining. I told him that I didn't weld it in the first place, it came from the manufacturer like that. Mind you it had already done about 50000hrs on this boat
Welding is about machine setup and machine capability. Some machines can run thin wire and weld at high voltages (mig) due to the capability of the drive motors. The new toy I have has the capability to go astronomically high in wire feed rate (something like 25m/min). Now it lets you know that this is outside the operational limits of the wire diameter, but it will do it none the less. Even makes me look like I know what I am doing, which is why I got it in the first place
arther dailey
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good stuff,you forgot to mention breed of machine...Good morning gents.
Several weeks ago I welded .6mm S/S exhaust bellows to a 12mm S/S flange using .9mm steel wire. Not the prefered way of doing it but the original welds and tacks had cracked so it was a patchup. Gas was 93Ar 3Co2 2O2 light. Had to get it back on the plane and to the job. Finish was, and supprised me, spectacular 'good'. Even the customer, when he received it commented why was it not like that in the beggining. I told him that I didn't weld it in the first place, it came from the manufacturer like that. Mind you it had already done about 50000hrs on this boat
Welding is about machine setup and machine capability. Some machines can run thin wire and weld at high voltages (mig) due to the capability of the drive motors. The new toy I have has the capability to go astronomically high in wire feed rate (something like 25m/min). Now it lets you know that this is outside the operational limits of the wire diameter, but it will do it none the less. Even makes me look like I know what I am doing, which is why I got it in the first place
Omniata
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Also where the gas was from? Typo I hope?
henry Kadzielski
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good morning gents.
Gas was not BOC but it is the same, I just noticed that I gave the wrong %. It is 52 (5% Co2 and 2% O2) the rest Argon
. It came from Supergas here in Au. Here BOC has the same just called different. The machine is Fronius TPS320Ic.
Gas was not BOC but it is the same, I just noticed that I gave the wrong %. It is 52 (5% Co2 and 2% O2) the rest Argon
. It came from Supergas here in Au. Here BOC has the same just called different. The machine is Fronius TPS320Ic.Deepwinter
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Interesting I'm newish to Mig, I've been doing courses on and off for the last year,
I just recently decided to get my self my own gas Mig machine and setup, I had been using a stick machine Esab rogue 200i pro arc, picked up for €450 Inc vat and a Lidl Parkside gasless Mig range 25amp to 120amp. (Actually pretty good)
I went with a Stel Iron Mig 221p pretty happy with it it's the same machine as the HTP Pro Pulse 220 MTS.
Being pretty inexperienced I wasn't aware of this fact regarding the Argo shield light. Would I be better off getting universal or heavy for flexibility.
Out of position will be more of a need for me this year.
Appreciate any input.
Munkul
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If doing mostly tinwork, get light, otherwise get universal
Heavy isn't really very useful until you're up at 300 amps +.What's dip transfer and what's spray transfer?
Munkul
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dip (short circuit) and spray transfer have been discussed to death on the forum and loads of articles on google, better that than trying to get a re-hash here.
https://www.esabna.com/euweb/mig_handbook/592mig1_4.htm - good short read on the 3 transfer types.
It's also not that important unless you have a 200amp+ machine IMHO. Contrary to opinion, it is more about amps than voltage, although altering voltage can make it better/worse.
IME a 150 amp machine does not benefit from 1mm wire at all, as it will run dip transfer on 0,8mm wire all the way from 40-50 amps to its max, ideal.
A 200 amp machine will work with 0.8 from 40-150 amps ish in short-arc, pushing into spray at 160-200 amps, depending on voltage. It will struggle if it doesn't have enough voltage to clean up the transfer to spray.
1mm works well in short-arc from 70-200 amps, and spray transfer from 220-280 amps.
In any wire/gas mix/machine combo there is a nasty area of amps where it will run in globular transfer, usually when you don't have enough amps to pull it through into a clean spray. This "window" of amps varies according to gas/voltage/machine characteristics so its hard to say where exactly it is on a particular wire size, but its always somewhere between top end dip/low end spray.
