[Discussion] cutting safety glass?

[Mr. C K]

Ah ha. Makes sense. Much like hardening steel. Make components then heat
treat. I recall we had a sheet of safety glass disintegrate at Hugh's
factory while we were moving stuff round. spectacular. And sheepish grins
all round.
On Feb 19, 2012 9:57 PM, "Wayne Rooney" <wrooney at ihug.co.nz> wrote:

> On Sunday 19 February 2012 20:31:58 Mr. C K wrote:
>
> > However I am
> > unfamilliar with safety glass. But I assume it can be cut as it is used
> in
> > buildings and door windows.
>
> Tempered safety glass is cut/beveled/shaped before it is tempered.  After
> it
> is tempered it shatters if you try to cut/bevel/shape it.
>
> I saw a pane shatter once.  It was part of a pool fence.  With no stimulus
> whatsoever, it dissolved into tiny pieces which shot up into the air in a
> column about five meters high, hung briefly in the air, then all came down
> at
> once like glass rain.  Spectacular.
>
> Turned out that the supplier had forgotten to bevel the edge and did it
> after
> it was tempered.  Gentle warming by sunlight set it off.
>
>
> Wayne
>
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