Re: [ATM] Microwave heating of glass

[Dominic-Luc Webb <dlwebb@canit.se>]

On Wed, 9 Jan 2008, David Weinshenker wrote:

> Dominic-Luc Webb wrote:
> > I think this microwave technique is more than anything cute and
> > would make a nice conversation piece. I once pieced together a
> > small 230VAC 2.3 kW heater with a homemade dimmer. I do not know
> > if a dimmer is an appropriate circuit to control energy, but I was
> > able to fire up kanthal elements that can provide a lot more heat
> > than most hobby kilns:
>
> By "dimmer" do you mean an SCR or TRIAC phase control type of circuit?
> That should work well for any resistance electric heater or incandescent
> lamp.

I mean specifically this triac based dimmer:

http://www.canit.se/~dlwebb/alum/dimmer/dimmer.html


>  From the point of view of practical amateur glass-melting,
> would microwave heating perhaps not be a diversion from
> attention more productively spent on the art of cooking
> and forming the glass (rather than putting a project in
> High-Frequency Power Electronics in the way of getting
> started on that part)?


Maybe so. But we do not always work large pieces of glass. We
often encounter small pieces of inappropriate size/shape,
and most of us have easy access to a microwave ovens. I for
one would like to see this work and where it will take us.

Dominic

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