12-26-2015, 07:29 PM
Ok, so I finally got a round tuit and switched my HF 150T/2 mig/flux welder to mig and gas. Got the wire switched out and polarity changed, but have some questions...
1) A couple of years ago (or so it seems) I saw something on Welding Web about making the switch and nozzles. Just spent a couple of hours looking for it and no go, so I'll ask here. There are two types of nozzles for this gun, one is straight and the other is tapered toward the tip. I thought the post on welding web said to use the tapered nozzle for gas and the straight for gasless, but when I replaced the nozzle back then I put the tapered one on (that post was stiff fresh in my mind at the time. Which nozzle should I be using or does it really even matter? For the time I'll be using CO2, when that runs out I'll switch to AR/CO2 mix.
2) Since I'm using CO2 my flow meter won't go on the tank so I'm using a regulator. What is a good starting point for pressure?
3) Two spools came with the welder. 0.030" flux was loaded when I bought it used. The guy I got it from said he never tried mig so the original spool of mig wire that came with it was in the welder's wire compartment. It's 0.090". Is that a bit thick or will it be ok since it's a different type of wire?
I have some welding to do on some 1/8" plate tonite. or tomorrow, or ... we all know how well I procrastinate!
1) A couple of years ago (or so it seems) I saw something on Welding Web about making the switch and nozzles. Just spent a couple of hours looking for it and no go, so I'll ask here. There are two types of nozzles for this gun, one is straight and the other is tapered toward the tip. I thought the post on welding web said to use the tapered nozzle for gas and the straight for gasless, but when I replaced the nozzle back then I put the tapered one on (that post was stiff fresh in my mind at the time. Which nozzle should I be using or does it really even matter? For the time I'll be using CO2, when that runs out I'll switch to AR/CO2 mix.
2) Since I'm using CO2 my flow meter won't go on the tank so I'm using a regulator. What is a good starting point for pressure?
3) Two spools came with the welder. 0.030" flux was loaded when I bought it used. The guy I got it from said he never tried mig so the original spool of mig wire that came with it was in the welder's wire compartment. It's 0.090". Is that a bit thick or will it be ok since it's a different type of wire?
I have some welding to do on some 1/8" plate tonite. or tomorrow, or ... we all know how well I procrastinate!
Logan 200, Index 40H Mill, Boyer-Shultz 612 Surface Grinder, HF 4x6 Bandsaw, a shear with no name, ...
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