Re: [CAD_CAM_EDM_DRO] Gluing aluminum

This sounds a great idea And somehow confirms a try I made long ago.
Sven Peter

catboat15@... wrote:

>
> In a message dated 3/8/2002 2:08:09 PM Pacific Standard Time,
> bruce@... writes:
>
> > glued and screw the frame together,
>
> Just a note about securing aluminum. You can soft solder aluminum with
> ordinary plumbers solder if you know how. The trick I learned long ago was
> take some of your wire solder and grind some with your Dremel grinder. The
> wheel bcomes loaded with solder of course. Then use that wheel to grind a
> spot on the aluminum. Vola! the alum becomes "tinned" with solder. and you
> can go ahead and solder things together. The secret is that solder will not
> stick to aluminum oxide and aluminum exposed to air oxidises almost
> instantly. By grinding with a solder loaded wheel the oxide is ground away,
> the heat melts some of the solder and it sticks to the raw aluminum before
> the oxide coat forms. I did not believe this till I tried it, but it does
> work.
>
> John Meacham
> California High Desert
> 12 inch Atlas, Minimill, rusty file
>
> [Non-text portions of this message have been removed]
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