SOURCE: welding aluminum
TIG weding is next to brain surgery as far as CLEAN goes.
You must get your AL clean, either by 1. Clean with a NEW Stainless Steel brush or 2. by using a chemical from the welding house that is made just for that.
Your cup must be clean and your gas flowing at the right amount,no leaks in o-rings or hoses.
Hold your cup more vertical and keep your filler rod in the gas shield always,no in and out movement.
In short you must get everything perfect to get quality Heliarc Al welds.
Good luck, HowardRoark
SOURCE: my tungsten appers to be melting when i am welding
Hi,
What gas are you running ?
Aluminium needs Argon mix - try increasing gas rate to provide sufficient shielding - and work indoors.
If this doesn't solve it -
Try using a lower amperage as I think you may be overheating. Alternatively - use a different make of tungsten.
Don't dip electrode, as this will eat it up.
SOURCE: syncrowave 180 sd. I was welding when it shut
Sounds like a bad thermister on the rectifier or a bad control board.
SOURCE: When I strike an arc with my miller 180SD
Check your foot controls first the POT my be acting up change it out w/another if you have one,
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