Article View: sci.electronics
Article #4125Re: Project Enclosures
From: jeh
Date: Sun, 14 Jan 1990 11:45
Date: Sun, 14 Jan 1990 11:45
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In article <25869@cup.portal.com>, mmm@cup.portal.com
(Mark Robert Thorson) writes:
> You can also cut it with a straight handsaw, like what you would use on
> plywood. That produces a cleaner edge. Most power tools don't work very
> well on Plexiglas.
In my limited experience, a small table saw will work fine, PROVIDED that you
have a carbide-tipped blade in it. Expensive, but will last a long time.
Or, the Plexiglas dealers sell special blades for the purpose. But scribe
cutting as described by Mark is fine for working with eighth-inch stuff.
In quarter-inch I've usually found that the scriber makes too curved an
edge for gluing -- I don't feel like filing down variations that large.
No doubt my technique needs to be improved.
Then there's flame polishing of the cut edges. When one of your edges is
going to be seen, you want it smooth. You can polish it with 'n' successive
grades of grit on a bench grinder.... or you can flame-polish it in a few
minutes with a Bernz-O-Matic torch. Again, the plex dealer will have
brochures telling you how to do this. Naturally you will not get it right
the first time, but that's what your cutoffs are for...
--- Jamie Hanrahan, Simpact Associates, San Diego CA
Chair, VMSnet [DECUS uucp] and Internals Working Groups, DECUS VAX Systems SIG
Internet: jeh@simpact.com, or if that fails, jeh@crash.cts.com
Uucp: ...{crash,scubed,decwrl}!simpact!jeh
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!ucsd!helios.ee.lbl.gov!nosc!crash!simpact!jeh From: jeh@simpact.com Newsgroups: sci.electronics Subject: Re: Project Enclosures Message-ID: <847.25aff5f4@simpact.com> Date: 14 Jan 90 11:45:56 GMT References: <126@gazette.bcm.tmc.edu> <25869@cup.portal.com> Organization: Simpact Associates, San Diego CA Lines: 25