[TheForge] Glass question

[Grant Marcoux]

Peter is right about this....tempering gives a strength increase in flexion,
but edge compression is a sure way to shatter your glass.  Vibration can
also lead to disaster.

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net]On Behalf Of Peter Hirst
Sent: Wednesday, February 25, 2009 5:33 AM
To: Blacksmithing List Sponsored by ABANA
Subject: Re: [TheForge] Glass question


You can't crack tempered glass.  You can only shatter it. One tap on the
edge can set it off. One slip of the grinder will do the same.  I would call
your local glass installer. someone who does a lot of sliding doors, for
instance, before attempting to grind it.

----- Original Message -----
From: "Larry Brown" <lp.brown at verizon.net>
To: <theforge at mailman.qth.net>
Sent: Wednesday, February 25, 2009 6:06 AM
Subject: [TheForge] Glass question


>I have a glass shelf that needs about a 1/4 by 3/4 piece ground off the
> edge to fit. The glass is tempered glass and I have a glass grinder that
> you would use for stained glass (Wet w/ diamond grit).
>
> The question is other than removing the unwanted glass will this promote
> cracking since the glass is tempered?
> Larry Brown
>
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