Reply by Mike

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Posted on Cutting Plexiglas on a CNC for a WOOD project

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406 posts in 2685 days

#1 posted 12-02-2012 04:46 AM

Plexiglas is notorious for cracking. I’d leave the backer paper on and maybe sandwich the plexiglass between two sacrificial boards. You could then clamp the plexi with the pressure of the two boards. I’ve never tried using a cnc to cut plexi. but this might be a way to start. Maybe make some test cuts to see what works best. I would try only adjusting the feed or speed rate at a time instead of both. This should help eliminate unknowns.

Good luck!

-- look Ma! I still got all eleven of my fingers! - -

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