[TheForge] glass doors & glass shaping

[Mike Porter]

Usually glass is allowed to cool rapidly to about 950 F, and controlled
below that.
Mikey

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net] On Behalf Of Bruce Freeman
Sent: Monday, June 12, 2006 12:33 PM
To: theforge at mailman.qth.net
Subject: Re: [TheForge] glass doors & glass shaping

Don't confuse glassblowing with glass slumping.  The latter is much
simpler and less energy-intensive.

You do need an annealing oven, but I think annealing is only about 800
F (I could be WAY off), so that's not such a big deal.

Bruce
NJ

>>> osan at netlabs.net 6/12/2006 11:01:53 AM >>>


Bruce Freeman wrote:
> Of course, with a glassworker to help out, one could probably do
some
> awesome slumped-glass fireplace doors.  Maybe slump into a mold that
> reproduces on the glass a motif in the iron frame...

	Nice idea, but don't you need a glass kiln for that much
material?  I 
really like glass as part of iron projects, but it is a very 
energy-intensive activity.  Doing onesy-twosey glass in such sizes
would 
probably prove very costly.  Fire kiln, do a piece, shut kiln down. 
Repeat as necessary.  Mucho dinero, I think.  I'm also wondering about

working the glass.  A fireplace door is a pretty large hunk of hot
gooey 
glass, and it would have to be annealed afterward, so there is another

piece of equipment, the point being that this doesn't sound like a 
casual endeavor, unless you have the billions of Gates.
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