[TheForge] Spring fuller for pipe

[GHS]

Dave , can you remember if there was any
particular point to using coil spring.
Or would any rounds of suitable diameter
work as well. Did he weld both ends of
the arc or just one?

Mike Graf

Dave Brown wrote:
> 
> At the UMBA hammer-in a while back we had Roger Lorance as the
> demonstrator.  One of his spring fullers was an interesting variation from
> what is usually seen.  He made it particularly for fullering pipe or DOM
> round tubing.  As he mentioned, one of the problems encountered when
> fullering pipe or tubing is that it has a tendency to crush or flatten in
> the groove and it is very hard to get back to a neat uniform roundness
> inside of the fuller.  His approach to overcoming this was to make a fuller
> that would contact the work piece in three places.
> 
> I've attached a drawing that I made which outlines the general construction
> of this 3-point fuller.  It's not to scale, but certainly shows the general
> concept behind this fuller.  Essentially he uses three arc sections from a
> coil spring, one on the top block and two on the bottom block.  In spite of
> the fact that my drawing is so poor, I'm sure you can see what is intended.
> 
> So, go to the photoaccess site and look in the Tools and Tooling album.
> 
> Oh, yeah, I almost for got.  Not snide remarks about my lack of artistic
> rendering.
> 
> Dave Brown
> Blacksmith/Tinsmith
> Green Bay, WI
> ABANA, UMBA, GoM, MODA, ARG
> 
> _______________________________________________
> http://mailman.qth.net/mailman/listinfo/theforge
> theforge mail list group photo site is
> http://www.photoaccess.com
> Login:  blacksmithblacksmith@hotmail.com
> password:  anvil
> ___________

-- 
my website is
http://www.execpc.com/~ghs/