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Article #4188

Re: Machining Plexiglas (was : Project Enclosures)

#4188
From: Mike McManus
Date: Wed, 17 Jan 1990 19:33
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In article <5982@eos.UUCP> jbm@eos.UUCP (Jeffrey Mulligan) writes:

>   Plexi can be cut cleanly and easily without a saw by first scoring
>   along a line, then placing the scored sheet on top of a broom handle
>   or dowel, and striking a sharp blow.  This works best for smaller cuts.

You can do this for larger cuts, but make sure that the score is deep enough.
Plexi likes to "run off course" if the score line is not sufficiently deep.
You may want to score both side of the sheet to help prevent this, but unless
you are extremely careful, this tends to make for less-than-flat edges.  Also,
what sometimes helps is to score the edges of the sheet with the file on the
ends of the score line, this helps to "start" the break when you strike it.

Also, I've found that what works well to hold plastic is hot glue (ala hot glue
"gun").  It holds really well, but if for some reason you need to seperate
parts, you can usually cool down the area (freezer or ice cubes work well) and
pry them apart.  Doesn't look real nice, tho, so you may want to keep the hot
glue joints out of sight.
--
Disclaimer: All spelling and/or grammer in this document are guaranteed to be
            correct; any exseptions is the is wurk uv intter-net deemuns.

Mike McManus (mikemc@ncr-fc.FtCollins.ncr.com)  
NCR Microelectronics                
2001 Danfield Ct.                   ncr-fc!mikemc@ncr-sd.sandiego.ncr.com, or
Ft. Collins,  Colorado              ncr-fc!mikemc@ccncsu.colostate.edu, or
(303) 223-5100   Ext. 360           uunet!ncrlnk!ncr-sd!ncr-fc!garage!mikemc
                                    
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From: mikemc@mustang.ncr-fc.FtCollins.NCR.com (Mike McManus)
Newsgroups: sci.electronics
Subject: Re: Machining Plexiglas (was : Project Enclosures)
Message-ID: <MIKEMC.90Jan17123310@mustang.ncr-fc.FtCollins.NCR.com>
Date: 17 Jan 90 19:33:10 GMT
References: <126@gazette.bcm.tmc.edu> <25869@cup.portal.com> <1170@rsiatl.UUCP>
 <114@mach1.atc.olivetti.com> <5982@eos.UUCP>
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Organization: NCR Microelectronic Products, Ft. Collins, CO
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In-reply-to: jbm@eos.UUCP's message of 16 Jan 90 19:42:53 GMT