[TheForge] oxy-propylene, propane tips and air-arc

[Peter Fels And Phoebe Palmer]

My office staff will send your bill on Monday...grin...pf

Ben Barrett wrote:
> Dandy, yes indeed!  Thanks much.
> 
> On 6/23/07, Peter Fels And Phoebe Palmer <artgawk at thegrid.net> wrote:
>> Ben, i have worked up 2 versions.
>> 1 uses trailer hitch balls welded to the ends of pieces of pipe
>> for the arms. The joint is made of 2 plates with large holes at
>> each end to clamp the balls. 2 bolts hold the plates together and
>> adjust the stiffness of the joint.
>> The second uses the toothed aluminum folding joints found on the
>> collapsable carts used to carry golf club bags....stiff and
>> light. With some modification they can be made to turn on the
>> shaft too....Is that what you were asking?...pete
>>
>> Ben Barrett wrote:
>> > Awesome news, that is just the sort of thing I was hoping to hear!!
>> > I can sacrifice a little bit of time to save a bunch of money, at this
>> > point.  No employees, just trying to screw around and teach myself,
>> > get hours  in hammering and working metal in general :)
>> >
>> > Both ideas sound perfect!  Know anything about multiple-burner 
>> versions,
>> > even?
>> > Kinda makes sense, if I wanted to make a 3-burner model that all sort
>> > of pointed slightly inward, say for a convex surface or edge/tip of a
>> > piece, the fuel is cheap enough, drilling a jet/nozzle or three isn't
>> > too bad, and the whole head could be on a quick-release for swapping a
>> > single smaller (or larger)
>> > jet.
>> >
>> > Now that I've struck gold once, let me just ask this:
>> > Does anyone have suggestions for a multi-axis third arm?
>> > 6-axis, preferrably, what would be great is not quite a robot, I would
>> > like to be able to lock certain (or all) joints so that a piece (or
>> > tool) could be locked to a place or a single axis, or held steady,
>> > then easily unlocked to be moved around.  Without locking any axis or
>> > carrying much weight at all, a swing-arm lamp might be a start.
>> > Yeah, I'm talking totally junk-yard, scrapper stuff here, things that
>> > are prolly a waste of time to many folks on the list... heh heh.
>> >
>> > thanks,
>> >
>> > ben
>> >
>> >
>> > On 6/23/07, Peter Fels And Phoebe Palmer <artgawk at thegrid.net> wrote:
>> >> Hey Ben:
>> >> Carl Jennings, may he rest in peace, Had a torch he made from an
>> >> old 50s style metal blow dryer , some pipe and a propane jet and
>> >> needle valve. He had it rigged so that it'd mount on an
>> >> adjustable stand or could be hand held. It wasn't fast as a
>> >> rosebud, but it was cheap to build and run. He'd set it on the
>> >> stand, focused on the spot next to the one he was working on so
>> >> when the part he was hammering cooled he could just move the hot
>> >> spot over to his stake.
>> >> Yes, using, say firebricks, to make a backing , corner or box to
>> >> heat in,is much more efficient and quicker.
>> >> Helmut Hillenkamp made a dome shaped shell lined with kaowool
>> >> that had a simple burner sticking out the top. He could use it
>> >> conventionally on a firebrick table or pick it up and plunk it
>> >> over larger work....pete
>> >
>> > ...
> _______________________________________________
> Manage membership or unsubscribe at:
> http://mailman.qth.net/mailman/listinfo/theforge
> theforge mail list group photo site is
> http://www.photoaccess.com
> Login:  blacksmithblacksmith at hotmail.com
> password:  anvil
> ___________
> 
> 
>