Non Mech Join to Aluminum
in [Design]
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From: Rick on 4 May 2010 12:48 "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%20anything&as_pt=MAGAZINES&pg=PA213#v=onepage&q=soldering%20to%20anything&f=false
From: Cydrome Leader on 30 May 2010 01:34 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%20anything&as_pt=MAGAZINES&pg=PA213#v=onepage&q=soldering%20to%20anything&f=false > 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.
From: Archimedes' Lever on 30 May 2010 12:29 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%20anything&as_pt=MAGAZINES&pg=PA213#v=onepage&q=soldering%20to%20anything&f=false >> > >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!
From: Cydrome Leader on 30 May 2010 22:49 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%20anything&as_pt=MAGAZINES&pg=PA213#v=onepage&q=soldering%20to%20anything&f=false >>> >> >>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! When's the last time you glued a ground to something?
From: Kevin McMurtrie on 30 May 2010 23:48
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. -- I won't see Google Groups replies because I must filter them as spam |