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Re: NEON- Neon Coils
edezuzio@ix.netcom.com wrote:
>
> On 08/29/96 03:04:13 you wrote:
> >
> >Does anyone have a trick for this? I have been fighting for a week trying to
> >make a 2" diameter by 4" long neon helical coil, in other words something
> >like a spring. I have tried using the usual glassblower's technique of
> >winding it on a metal mandrel, then wrapping asbestos on it, and each time I
> >get it, I can't slip if off the mandrel. It's stuck on it and won't come off.
> >I am considering using a graphite mandrel, but don't know if it's worth the
> >tooling expense.
> >Of course, Dirk, you can tell us with some pride that your pyrex tubing
> >followed by annealing and phosphor coating of the finished product is a
> >perfect and simple way to do this. My glassblower can make coils for lab
> >condensors all day long out of pyrex but he can't make it in lead glass. You
> >would be right. But we're over here.
> >Anyone have any suggestions on this? Hate to turn this job back.
> >Jeff Golin
> >
> >
> >
>
> Do it Free Hand...No Mandrel.
> PeaceAs one of the not-so-full time benders this is a technique
that I have tried recently (trying to make spirals) with
only marginal success and lots of waste glass.
Any hints?
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| Frank Varnell |
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