Non Mech Join to Aluminum
in [Design]
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From: Archimedes' Lever on 31 May 2010 04:54 On Sun, 30 May 2010 20:48:47 -0700, Kevin McMurtrie <mcmurtrie(a)pixelmemory.us> wrote: >In article <ni4506164gcgl2u274ldttcl0kv1br7noo(a)4ax.com>, > Archimedes' Lever <OneBigLever(a)InfiniteSeries.Org> wrote: > >> On Sun, 30 May 2010 05:34:09 +0000 (UTC), Cydrome Leader >> <presence(a)MUNGEpanix.com> wrote: >> >> >Rick <notagood(a)one.com> wrote: >> >> >> >> "John Ferrell" <jferrell13(a)triad.rr.com> wrote in message >> >> news:f6g0u5t65coko74quitegfu9kje1i3ki5q(a)4ax.com... >> >>> On Sat, 1 May 2010 03:28:15 +0000 (UTC), Przemek Klosowski >> >>> <przemek(a)tux.dot.org> wrote: >> >>> >> >>>>> Ken Dunlop wrote: >> >>>>>> What are the alternatives for applying an earth lead to a bare >> >>>>>> aluminum >> >>>>>> chassis that do not require a mechanical fitting? >> >>>> >> >>>>I successfully soldered regular PbSn solder to aluminum by scraping >> >>>>vigorously under a drop of engine oil and then quickly soldering in >> >>>>the oil drop. >> >>> >> >>> I have been using that technique for over 50 years without the oil. >> >>> It takes a lot of heat because the Aluminum conducts the heat away >> >>> fast. Rub a blob of solder vigorously with a hot iron until it bonds. >> >>> Then solder whatever to the blob. >> >>> >> >>> You can also flame weld Aluminum but it requires a talented craftsman. >> >>> >> >>> John Ferrell W8CCW >> >> >> >> >> >> http://books.google.ca/books?id=IOEDAAAAMBAJ&lpg=PA213&dq=soldering%20to%20 >> >> anything&as_pt=MAGAZINES&pg=PA213#v=onepage&q=soldering%20to%20anything&f=f >> >> alse >> >> >> > >> >That's an interesting link, and the tip about how to feed carbon paper >> >into a typwritter is quite amusing. >> > >> >I've seen aluminum soldered with zinc bearing solder. I'm not sure if >> >these are commercially available though. In this case they were actually >> >making the solder in house, and it didn't requite lots of scraping as with >> >regular electronic solder to wet the aluminum. >> >> >> Conductive epoxy! Idiots! > >Better glue a fire extinguisher to the side of that. High current? It's called a drill, and a nut and bolt and a damned ring lug terminal. |