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Lexan "Score & Break" Guide - Anyone?

post #1 of 6
Thread Starter 
Anyone know of a good guide to score and break lexan (polycarbonate)?
post #2 of 6
Score with a plexiglass cutter
http://www.google.com/products/catal...d=0CCwQ8wIwAA#

apply firm pressure to one side while hanging it off the end of a table and snap it along the score line you just made
post #3 of 6
I used a jigsaw with a high tpi blade and a low-medium speed. Polycarbonite (Lexan) won't melt like cheap acrylic.
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The Barnacle
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post #4 of 6
Thread Starter 
Thanks SmasherBasher and farkle0079. I will certainly use/include your suggestions. What I am attempting to do is give people different alternatives.

I am in the middle of building a rad fan box shroud and I want to include in my work log a link to a decent guide for people with no idea. I had seen an excellent guide that I used to learn myself how to do the process BUT I am now attempting to look for that site again and I can't find it. If by chance you know of a guide, I would appreciate it very much. I know it's rather easy to work with but there is always someone a little reluctant to attempt the process without a guide of some sort.
post #5 of 6
What shapes are you trying to make? From the sound of it a "rad fan box" will require straight cuts for the sides and 120mm-140mm holes for the fans.

I would recommend using a jig saw to cut the straight lines you need and then using a dremel to finish up the sides (buffing polishing if needed). For the fan holes you'll want a metal hole saw which attaches to a drill. I don't think the use of conduit punches will work very well with polycarbonite and may cause cracks. For the screw holes you can just use a drill bit.
The Barnacle
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The Barnacle
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Optical DriveCoolingCoolingCooling
Lite-On iHAS-124 XSPC Rasa CPU Block Watercool Heatkiller 79X0 GPU Blocks Magicool Dual 180mm Radiator 
CoolingCoolingCoolingOS
Dual Swiftech MCP-355 pumps with XSPC Acrylic D... XSPC Single 5.25" Bay Reservoir Lamptron FC-5v2 Windows 7 Professional 64-bit 
MonitorKeyboardPowerCase
3 NEC EA231WMi's in Eyefinity Portrait Ducky Shine II Seasonic X-1050 Silverstone FT02 
MouseMouse PadAudioAudio
Logitech G5v2 Ratpadz XT EMU 0404USB Matrix M-Stage Headphone Amplifier 
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Ray Sammuels Hornet-M Sennheiser HD580 Shure SRH-840 Livewires Custom dual and triple driver models 
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post #6 of 6
Thread Starter 
Quote:
Originally Posted by farkle0079 View Post
What shapes are you trying to make? From the sound of it a "rad fan box" will require straight cuts for the sides and 120mm-140mm holes for the fans.

I would recommend using a jig saw to cut the straight lines you need and then using a dremel to finish up the sides (buffing polishing if needed). For the fan holes you'll want a metal hole saw which attaches to a drill. I don't think the use of conduit punches will work very well with polycarbonite and may cause cracks. For the screw holes you can just use a drill bit.
Agreed. Thanks for the insight. Really appreciate it.
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