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Cutting plexiglass blueman 08-25-2006
|--> Re: Cutting plexiglass The3rd Earl Of ...08-31-2006
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Posted by on August 25, 2006, 6:10 pm

blueman wrote:
> I bought a sheet of 48x24" plexiglass at home depot (maybe about 1/8"
> thick).
>
> I am trying to cut in 7" slices (each 48" long).
> Per the instructions from the Home Depot guy, I bought a blade that is
> supposed to score the Plexiglass and then you snap it.
>
> Well, I am having 2 problems.
> First, I am finding it hard to score precisely on a straight line
> (even though I am following a steel straight edge). The blade keeps
> wanting to slip away slightly.
>
> Second, after scoring with several passes, when I snap it, it ends up
> breaking only partially along the line (and the rest breaks away at a
> short angle).
>
> One solution, would be to just be more careful on scoring the line and
> then scoring even deeper with more multiple passes.
>
> Are there any EASIER and MORE accurate ways to cut plexiglass?
> Can I use a regular table saw blade (or will it shatter it)?
> What about a jigsaw or a dremel?
>
> Thanks

Should have bought the plexi at a local glass company and had them cut
into whatever sizes you needed.... Ive done that before just for my own
convienience... just have to call them with the dimensions and pick
up... ~:>


AppliancePartsPros.com, Inc.
Posted by Lawrence on August 25, 2006, 6:36 pm

blueman wrote:
> I bought a sheet of 48x24" plexiglass at home depot (maybe about 1/8"
> thick).
>
> I am trying to cut in 7" slices (each 48" long).
> Per the instructions from the Home Depot guy, I bought a blade that is
> supposed to score the Plexiglass and then you snap it.
>
> Well, I am having 2 problems.
> First, I am finding it hard to score precisely on a straight line
> (even though I am following a steel straight edge). The blade keeps
> wanting to slip away slightly.
>
> Second, after scoring with several passes, when I snap it, it ends up
> breaking only partially along the line (and the rest breaks away at a
> short angle).
>
> One solution, would be to just be more careful on scoring the line and
> then scoring even deeper with more multiple passes.
>
> Are there any EASIER and MORE accurate ways to cut plexiglass?
> Can I use a regular table saw blade (or will it shatter it)?
> What about a jigsaw or a dremel?

You have been given good advice on cutting plexi. Score and snap is
the way to go. a freind has a shop where he fabricates plexi. there
is a special blade designed for the purpose but it isn't common. YOu
have to go to a plexi supplier to find it. It has a hook on the end
so that the cutting edge faces toward you and he always scores by
draggin the blade toward himself. then he snaps it over the edge of
the table. He makes one heavy score and then snaps. he then uses a
buffing wheel to smooth the edge.


Posted by Duff on August 26, 2006, 8:36 am
I'm surprised I didn't see this answer, I've used my bandsaw also for
cutting plexi.
Yesterday I even used my 80-tooth Diablo blade for cutting 1/8" plexi.
Main thing is to keep slow steady speed on feed. If you jam it in
there too fast, it'll shatter or chipout the plexi.

No one asked, what project you using 7x48 plexi for? Good luck!

Duff


Posted by Stubby on August 26, 2006, 9:37 am
A friend uses a table saw with a special blade.


Lawrence wrote:
> blueman wrote:
>> I bought a sheet of 48x24" plexiglass at home depot (maybe about 1/8"
>> thick).
>>
>> I am trying to cut in 7" slices (each 48" long).
>> Per the instructions from the Home Depot guy, I bought a blade that is
>> supposed to score the Plexiglass and then you snap it.
>>
>> Well, I am having 2 problems.
>> First, I am finding it hard to score precisely on a straight line
>> (even though I am following a steel straight edge). The blade keeps
>> wanting to slip away slightly.
>>
>> Second, after scoring with several passes, when I snap it, it ends up
>> breaking only partially along the line (and the rest breaks away at a
>> short angle).
>>
>> One solution, would be to just be more careful on scoring the line and
>> then scoring even deeper with more multiple passes.
>>
>> Are there any EASIER and MORE accurate ways to cut plexiglass?
>> Can I use a regular table saw blade (or will it shatter it)?
>> What about a jigsaw or a dremel?
>
> You have been given good advice on cutting plexi. Score and snap is
> the way to go. a freind has a shop where he fabricates plexi. there
> is a special blade designed for the purpose but it isn't common. YOu
> have to go to a plexi supplier to find it. It has a hook on the end
> so that the cutting edge faces toward you and he always scores by
> draggin the blade toward himself. then he snaps it over the edge of
> the table. He makes one heavy score and then snaps. he then uses a
> buffing wheel to smooth the edge.
>

Posted by on August 26, 2006, 9:38 am
wrote:

>You have been given good advice on cutting plexi. Score and snap is
>the way to go. a freind has a shop where he fabricates plexi. there
>is a special blade designed for the purpose but it isn't common. YOu
>have to go to a plexi supplier to find it. It has a hook on the end
>so that the cutting edge faces toward you and he always scores by
>draggin the blade toward himself. then he snaps it over the edge of
>the table. He makes one heavy score and then snaps. he then uses a
>buffing wheel to smooth the edge.


The scouring tool you described can be found in the HD ceramic tile
section. It has a carbide tip. Another improvisation is to use the
carbide edge tip of a router bit to scour the plexiglas line.

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