Invisible weld?
Invisible weld?
(OP)
Hi guys! Have a project where the butt-weld (well, actually two 45 degree chamfered pieces coming together - think picture frame) used on pretty thin (85 thou thick) aluminum need to be 'invisible'.
The pieces are held together and the customer is okay with a small gap remaining between them - so the weld can only be on one side - hence allowing the other side to remain clean. Are there methods that would reduce/eliminate/allow me to remove after the weld operation the visible HAZ on the opposite side?
Thanks!
The pieces are held together and the customer is okay with a small gap remaining between them - so the weld can only be on one side - hence allowing the other side to remain clean. Are there methods that would reduce/eliminate/allow me to remove after the weld operation the visible HAZ on the opposite side?
Thanks!





RE: Invisible weld?
RE: Invisible weld?
Thanks!
RE: Invisible weld?
RE: Invisible weld?
There are pulsed Tig micro-welding outfits that can do rather remarkable things. A vendor had one of these and used it to weld a .008" thick diaphragm to two 1/8" thick support rings, and have the resulting seam be invisible to the naked eye. The weld was done hands-off in a weld jig on a lathe.
RE: Invisible weld?
RE: Invisible weld?
How about a large area reinforcing corner bonded invisibly to the back side?
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RE: Invisible weld?
RE: Invisible weld?
If not, you could mill a mitered half lap at each corner, and bond the pieces with epoxy or cyanoacrylate.
Mike Halloran
Pembroke Pines, FL, USA
RE: Invisible weld?