[python] Re: brazing aluminum ??
- From: Ronald Hongsermeier <rwhongser@xxxxxx>
- To: python@xxxxxxxxxxxxx
- Date: Sun, 23 Dec 2007 23:10:50 +0100
Moin Steffen, 'ne menge amis halten immer noch zu Faehrenheitgrade. Auch die
aluminumrepair.com website. Das war das "F" hinter dem "°" ;-)
wie ich unten sagte:
<it is a metallurgical trick containing nine different metal alloys.>
offensichtlich ist kein alu dabei, weil der Schmelzpunkt etwa 388° unter dem
von Elementaraluminium liegt. sie msg an George.
diese Antwort kommt auf Deutsch und nach der Antwort zu George weil mein
Mailserver aus irgendeinem Ungrund versucht hat Dich zu filtern. Sorry for the
confusion!
frohe Wiehnachten!
ron
> -----Ursprüngliche Nachricht-----
> Von: python@xxxxxxxxxxxxx
> Gesendet: 23.12.07 19:05:35
> An: python@xxxxxxxxxxxxx
> Betreff: [python] Re: brazing aluminum ??
Do they braze with hot wax? Aluminium has a Melting Point about 600 to
> 700°C depending on alloys. 700-500=200!!!!! That's the point.
>
> Ciao Steffen
>
>
>
> Ronald Hongsermeier wrote:
> The key is the melt point of the rod. They say there is no flux involved, it
> is a metallurgical trick containing nine different metal alloys. They say the
> melt point is c. 500 ° F lower than aluminum, that's what makes the thing
> they do with the pop can on the video possible. I wish I could borrow one of
> the airport fire dept.'s heat detectors to experiment with... Maybe sometime
> on night shift sometime next year. <shrug>
> regards,
> ron
>
>
> -----Ursprüngliche Nachricht-----
> Von: python@xxxxxxxxxxxxx
> Gesendet: 22.12.07 22:35:20
> An: <python@xxxxxxxxxxxxx>
> Betreff: [python] Re: brazing aluminum ??
>
>
>
>
>
>
> Comments from a friend - It's possible but tricky:
> We actually did aluminum brazing at the course last year. It is possible, but
> VERY, VERY, ****VERY**** tricky. You must keep the flame moving steadily,
> watch the flux carefully, and feed the rod smoothly, in a non-stopping,
> sweeping motion. Heat, heat, watch flux, heat, watch flux, heat, flux melts,
> heat, try feeding rod, heat, rod melts, heat, keep rod moving, heat, flux is
> working, rod is flowing, GREAT, flow rod��. DOH!!!!!!!!!!!!!!!!
> Pile of *MISSING* Aluminum plate, along with a pile of aluminum that looks
> like an exploded pop can. HMMmmmmm, lets try again. 4 busted aluminum pop
> cans later, I am thinking I am mentally deficient. As I try to sneak my mess
> to the garbage can, a guy comes at me holding a melted, exploded pop can in
> his pliers and asks if I got it to work. I laughed and showed him my 6th
> attempt. We wandered around the class and determined that the instructor was
> the only one to be able to accomplish this task. We asked him to show us
> again, h
> e did and (HA
>
>
> AA
>
>
> AA-haaa), he turned the plate into chrapnel this time, too.
> I gave up.
> ----------------------------------------
>
>
> Date: Tue, 18 Dec 2007 00:42:04 +0100
> From: rwhongser@xxxxxx
> To: python@xxxxxxxxxxxxx
> Subject: [python] Re: brazing aluminum ??
> I don't want to contribute to off thread bloat, but the advertising sentence
> was qualified: "Does the impossible! � Accomplishes many repairs even
> after a welder says it can't be done stronger than welding and even repairs
> oily or oxidized metals."
> I may try it out, if I can get alu tubing someplace more inexpensive than OBI.
> If I do I'll let you know what I think and get a couple of opinions of welder
> friends.
> cheers,
> ron
>
>
> -----Ursprüngliche Nachricht-----
> Von: python@xxxxxxxxxxxxx
> Gesendet: 17.12.07 21:29:33
> An: python@xxxxxxxxxxxxx
> Betreff: [python] Re: brazing aluminum ??
>
>
>
>
>
> Ad reads, does the impossiable,that should tell you something !kind of like
> the lens doctor a complete fruad !and I thought they had laws aginst false
> advertisments ?
> ----- Original Message ----
> From: brian smith To: python@xxxxxxxxxxxxx
> Sent: Monday, December 17, 2007 8:26:43 AM
> Subject: [python] brazing aluminum ??
> Things that sound too good to be true usually are.
> has anyone on this list had any experience with this type of product for
> aluminum frame construction?
> http://www.aluminumrepair.com/
> too bad there are no free lunches
> regards to all
> Brian
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