"TIG welding overhead is not a problem if you can find a way to get comfortable "
Learning how to TIG weld overhead is mainly a matter of getting comfortable and finding a way of holding the torch so that you can travel far enough without getting hung up or uncomfortable.
One way is walking the cup.
It does not work in every situation, but for areas where you can prop the torch in the joint and just wiggle it along, it does work pretty well...and can actually let you weld long distances without fatigue.
Other times, and that means most of the time, you cant walk the cup. Thats when a TIG Finger comes in handy.
Back to walking the cup...
Here are the main pointers for learning how to tig weld overhead using the walk the cup technique...
1. extend the electrode far enough to have the right torch angle as shown in the video above.
2. keep the electrode sharp and if it gets crapped up, sharpen it or swap to a sharp one.
3. a flex head torch helps for getting the torch body far enough away from the hot metal
4. keep a tight arc...about same as electrode diameter used or tighter.
5. for welds on thicker metal, use multiple passes.
6. the lay wire technique is popular, but dipping the rod is better for ensuring penetration in the root pass
7. if you dip, keep the hot tip of the rod shielded with the argon from the tig cup.
8. a gas lens works very well but is not always necessary
exit how to tig weld overhead and check out the TIG finger
Parameters for the weld in the video
• DCEN high freq set on start only
• 125 amps
• upslope set to 3 seconds.
• downslope set to 2 seconds.
• 3/32" 2% lanthanated electrode sharpened with a belt sander...
• #7 cup with gas lens and 15 cfh flow argon
• er70s2 filler