Re: Machining SRSG disk ?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "D.C. Cox by way of Terry Fritz <twftesla-at-qwest-dot-net>" <DR.RESONANCE-at-next-wave-dot-net>


Use a lathe for good accuracy and balance.

Dr. Resonance



----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Wednesday, July 24, 2002 3:23 PM
Subject: Re: Machining SRSG disk ?


> Original poster: "Bryan Steinbach by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <hal-9000-at-telocity-dot-com>
>
> I have access to a mill that can do .0002" precision bolt circles.
However,
> its tool for cutting radii is nearly worthless.  Would cutting the disc
out
> with a bolt circle work?  The disc would look like a circular saw and
perform
> roughly the same to one's face, but it would be balanced.  Also-is lexan,
say
> .25", an acceptable disc material?  The coil's powersupply is 450VA.
>
> Bryan Steinbach
>
> On Wednesday 24 July 2002 05:37 pm, Tesla list wrote:
> > Original poster: "D.C. Cox by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <DR.RESONANCE-at-next-wave-dot-net>
> >
> > I use a 7 in. dia. disk with 4 electrodes.  Each electrode is a 1/8th
in.
> > TIG welding rod cut 1.25 in. long and then pressed through an axial
> > precision reamed (not drilled) hole.  Disk material is 0.250 in. thick
type
> > LE phenolic.  Electrodes are 1/2 in. inward from the disk edge.  Have a
> > machine shop do this work for you to insure .001 precision.  You really
need
> > a mill with a turntable to do a good job.
> >
> > Adding rings around the circumference and then soldering the tungsten to
it
> > only creates problems.
> <snip>
> >
> > Regards,
> >
> > Dr. Resonance
>
> <snip>
>
>
>