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Welding Up Thin Aluminum With the HTP Invertig 221
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- čas přidán 20. 07. 2022
- Meet our new host Tyler Caton! As a highly requested video Tyler is demonstrating material prep and setting on his Invertig 221 for welding THIN ALUMINUM! If you have any questions or comments drop them below. Happy Welding!
WELD EVERYTHING BETTER!
Machine used: usaweld.com/co...
Filler Rod: usaweld.com/co...
Consumables: usaweld.com/pa...
Tylers IG: @ig0atwelding
HTP IG: @usaweld
Well done!
Great video Tyler!
Glad to see you adding content to the channel! I'm not very skilled with aluminum but fit-up is especially important for it and I think it might be because molten aluminum has much greater surface tension than mild or stainless steel. Thus when you first melt the edges, each one wants to pull back to the parent material and any gap opens up. I imagine that's why autogenous welding is common with stainless and rare with aluminum. I always have problems with heat buildup when welding thin aluminum and Tyler could help us if he explains how to recognize that buildup. For me, I look for the puddle spreading out too wide and flat, but on thin stock I always seem to be feathering the amperage too late, not seeing the early signs of too much heat.
Increase your travel speed. The biggest thing is using your filler wire as your build up to reduce the material from blowing apart. Fill and chill as they say. Throwing I'm wire is like throwing in ice cubes into the puddle. You have a moment to let that puddle fan out before you need to move. If it's running away on you. More tacks to gold your piece and less heat input. You only need enough to heat the parent material to the point of wetting and adding your filler watch the puddle build to how you need then move.
Here I barely backed off of my pedal. Only on my last 2 passes around the joint was it necessary. I use my filler to mitigate heat input. Like I said above I watch the parent material wet enough to add filler. I add my filler to the bead profile I want. Watch it "sink" a bit then move. That sinking is how I know I'm getting full pen. Hope that helps!
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