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Re: tig hi freq

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On Monday, 27 March 2017 17:15:37 UTC+1, Hul Tytus  wrote:
> George - thanks for looking. That article is about the frequency of the 
> current that provides the power for welding aluminum. Apparantly aluminum 
> can't be effectively welded with a dc current as is the case with steel.
>    My present understanding for tig welding of steel is that a high 
> frequency low powered "starter" current establishes a low resistance 
> pathway for a high amperage dc current. It is this starter current that's 
> of interest and not the high amperage ac current used with aluminum.
> 
> Hul 
> 
> George Herold <gherold@teachspin.com> wrote:
> > On Monday, March 27, 2017 at 10:17:43 AM UTC-4, Hul Tytus wrote:
> > > sci.electronics.design
> > > tig high freq
> > > 
> > >    Does anyone here know what the frequency & initial voltage is of the "high 
> > > freq ac" used in TIG welders? Google's offerings seem to favor client's 
> > > advertising and "how to weld" documents, unfortunantly.
> > > 
> > > Hul
> 
> > Work on your google-fu.  Does this help? My first hit.
> > https://www.millerwelds.com/resources/article-library/tig-frequency
> 
> > George H.

FWIW I sometimes find Google no use, but get useful results from other search engines.


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tig hi freq Hul Tytus <ht@panix.com> - 2017-03-27 14:17 +0000
  Re: tig hi freq George Herold <gherold@teachspin.com> - 2017-03-27 08:00 -0700
    Re: tig hi freq Hul Tytus <ht@panix.com> - 2017-03-27 16:15 +0000
      Re: tig hi freq tabbypurr@gmail.com - 2017-03-27 09:40 -0700
      Re: tig hi freq Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-03-27 09:45 -0700
        Re: tig hi freq Bill Martin <wwm@wwmartin.net> - 2017-03-27 10:24 -0700
          Re: tig hi freq Neon John <no@never.com> - 2017-03-31 15:27 -0400
            Re: tig hi freq Bill Martin <wwm@wwmartin.net> - 2017-03-31 14:42 -0700
      Re: tig hi freq "dcaster@krl.org" <dcaster@krl.org> - 2017-03-27 11:22 -0700
      Re: tig hi freq George Herold <gherold@teachspin.com> - 2017-03-27 11:37 -0700
    Re: tig hi freq Neon John <no@never.com> - 2017-03-31 15:01 -0400
  Re: tig hi freq Tim Wescott <tim@seemywebsite.com> - 2017-03-27 12:19 -0500
    Re: tig hi freq "dcaster@krl.org" <dcaster@krl.org> - 2017-03-27 11:15 -0700
      Re: tig hi freq Hul Tytus <ht@panix.com> - 2017-03-27 22:56 +0000
    Re: tig hi freq amdx <nojunk@knology.net> - 2017-03-27 14:54 -0500
    Re: tig hi freq Hul Tytus <ht@panix.com> - 2017-03-27 22:55 +0000
  Re: tig hi freq Cursitor Doom <curd@notformail.com> - 2017-03-27 18:33 +0000
    Re: tig hi freq Hul Tytus <ht@panix.com> - 2017-03-27 22:57 +0000
      Re: tig hi freq Chris Jones <lugnut808@spam.yahoo.com> - 2017-03-28 18:07 +1100
        Re: tig hi freq Neon John <no@never.com> - 2017-03-31 15:50 -0400
  Re: tig hi freq Jon Elson <jmelson@wustl.edu> - 2017-03-27 14:02 -0500
    Re: tig hi freq Hul Tytus <ht@panix.com> - 2017-03-27 23:07 +0000
      Re: tig hi freq Jon Elson <jmelson@wustl.edu> - 2017-03-28 13:51 -0500
        Re: tig hi freq Hul Tytus <ht@panix.com> - 2017-03-28 22:04 +0000
          Re: tig hi freq sroberts6328@gmail.com - 2017-03-29 06:55 -0700
            Re: tig hi freq sroberts6328@gmail.com - 2017-03-29 07:01 -0700
              Re: tig hi freq sroberts6328@gmail.com - 2017-03-29 07:15 -0700
                Re: tig hi freq Hul Tytus <ht@panix.com> - 2017-03-29 15:05 +0000
    Re: tig hi freq Neon John <no@never.com> - 2017-03-31 15:35 -0400

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