26962Re: [hobbicast] Re: The bad and ugly, not so much good :(
- Jun 1, 2003See below
> --- In firstname.lastname@example.org, "Chris Boyer" <boyercl@a...> wrote:If I under stand correctly there were 4 risers? How big was the headstock?
> > Well I updated my latest attempt at the headstock casting. Didn't
> get the carriage done. BIG headache, still have it.
> > Its on its own page now under Gingery Lathe - headstock. Will try
> 1 more time. Open for suggestions on how to stop the shrink !!!
> ARGH !!!! and other words I bet you can figure out ;).
> > Some wanted more pictures of molds rammed and set up. I didn't get
> them done either.
> > Hope tomorrow is better. Have some AL wheels tranny and misc
> engine parts coming. NO, not quite free. I have to take the truck
> apart to get them and I believe I got suckered into replacing rear
> wheel bearings in a T-Bird ??
> > http://users.adelphia.net/~boyercl/hobbies.htm
> > Chris (CB)
> I had to cast the headstock twice to get a good part back when I
> built my lathe. Some of Gingery's molding methods seem questionable
> to me, but anyway, I eliminated the shrink at the r. end of the
> headstock by using a 1 1/2" dia. riser at each corner. This is
> probably overkill, if I was doing it again I would use two risers at
> the right end only, and gate into both risers.
Mine is about twice the AL as in the book. I know the risers go to the
casting. Did you connect the risers together as well? How big were the
1.5" spru is in the plan and at least 1 riser on each end. Hmm might have
to go 2 risers on the heavy end? I was using about 1/2" deep x 3/4" gates
about 1.5" from the casting.
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