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joining aluminum sheets techniques
http://www.staplaultrasonics.com/pro...eam-welder.htm
That url is for a company that makes ULTRASONIC WELDERS which work on aluminum. I was reading in Wikipedia where the aluminum foil rolling mills use ultrasonics to splice the rolled sheet back together when it breaks in process. The beauty of this method is that it generates very little heat and so the al workpiece doesn't warp, which is a huge improvement over thermal welding. Ultrasonics appear to be a lot simpler, with more reliable seams, than the exotic Friction Stir Welding. I haven't yet researched how adaptable this method, and its machinery, is for homebuilders. It's just an exciting method to know about. high cheers, Allen |
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