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HybridZ

Opinions Cut Hole Before or After Welding


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Fabricating and tig welding several AL pieces this weekend. Basically thin wall 0.080" intercooler/charge piping to thin AL maybe 14 gauge. 

 

To minimize warping would you cut the hole before or after welding? 

 

Don't need full penetration so I'll use whatever thinest filler wire I have on hand and control the heat the best I can. 

20241116_082145.jpg

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I tried it both ways and cutting the hole after is definitely the way to go. I used a copper heat sink as well and got some very minor warpage which I was able to lightly knock down with a sanding block. Definitely not my best work but it'll never be seen. 

20241116_112139.jpg

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