> RADIUM CITY JO$HUA Wrote:
> > Side questions, what weld machine do you have
> > handles all of these crazy alloys? What hood do
> > you use?
> I use a Jackson Halo hood with a NexGen
> auto-darkening lens. The Halo hood is light and
> comfortable. Looking through most lenses has a
> green color to them, the nexgen lens has an amber
> color that looks better and gives awesome
> These alloys don't really require any kind of
> special machine. I did all of this work with a TIG
> machine on DC-, a variable pedal, with the
> amperage set at 70 and no special pulse settings,
> just straight current. So any machine that can do
> that (pretty much any TIG machine in existence)
> could theoretically make these welds. Of course,
> some older machines and a lot of newer machines
> will just generally work better than others and
> thus make things a bit smoother and easier to do.
> What alloys like this and pretty much any material
> requires for TIG welding is extremely clean work,
> that is always well gas covered. Abrasive clean
> all the surfaces to be welded, inside and out,
> scotch brite pads work good for that. Wipe down
> the area to be welded and your filler rod with
> acetone or other cleaner that will remove dirt and
> oil but evaporates and leaves no residue. With
> materials like Stainless, Inconel, and Titanium,
> gas coverage is extremely important. Always use a
> gas lens on the torch, seriously, if you are not
> using gas lenses you are really missing out. They
> also must be back purged, that means there must be
> gas on the back side of the weld too, if you dont
> do this, you are majorly fucking up the metal and
> may as well just make it out of mild steel.
> I'm gonna stop there because I can really go on
> and on about this. Welding and fabrication is my
> passion, sometimes I cant shut up about it.
so you just plug one end and back purge the other? no use of inert chamber or shit like that?