Hi,
Just got myself a COSMO D/P 130Amp MIG welder. I aim to do some aluminium welding but started on a 1mm steel plate to practice using CO2/Argon mix and 0.8mm wire. Try as I might at all settings High -> Low and various speeds all I get is balls of weld wire on the surface and no penetration. I did notice that it is actually flux cored wire they supplied in the kit.
I thought I may as well have a stab at the alu for the hell of it and started at low settings and various speeds.....balls again on the surface. Here I used pure argon and non-fluxed alu wire. I thought sod it and whacked it upto the high setting and thought I'd blow some holes in the material (1.5mm alu sheet) and work back. Even on high I cannot get any penetration and end up with balls of alu on the surface.
I rubbed the steel/alu back to shiny metal and varied the gas amount with both.
I got quite a lot of burning back to the tip whilst trying the alu...and now have 3 tips to drill back out
If anyone has any idea what is going on that would be great as I'm contemplating black magic spells to help
Cheers
John
Just got myself a COSMO D/P 130Amp MIG welder. I aim to do some aluminium welding but started on a 1mm steel plate to practice using CO2/Argon mix and 0.8mm wire. Try as I might at all settings High -> Low and various speeds all I get is balls of weld wire on the surface and no penetration. I did notice that it is actually flux cored wire they supplied in the kit.
I thought I may as well have a stab at the alu for the hell of it and started at low settings and various speeds.....balls again on the surface. Here I used pure argon and non-fluxed alu wire. I thought sod it and whacked it upto the high setting and thought I'd blow some holes in the material (1.5mm alu sheet) and work back. Even on high I cannot get any penetration and end up with balls of alu on the surface.
I rubbed the steel/alu back to shiny metal and varied the gas amount with both.
I got quite a lot of burning back to the tip whilst trying the alu...and now have 3 tips to drill back out
If anyone has any idea what is going on that would be great as I'm contemplating black magic spells to help
Cheers
John