Holy Acrylic!

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AtomSoft
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Holy Acrylic!

Post by AtomSoft » Thu Aug 02, 2012 12:42 am

Check this out... I used :

Feed Rate: 1250
Spindle Rate: 15,000
Depth Rate: 0.4mm
Lube: Soap/Water

Time: A hour or so...

This is 8mm YES 8MM acrylic. Cut so nice... by luck i assume :) my body hurts from watching this cut and cleaning the shapeoko afterwards :)
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8c.jpg
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8b.jpg
8b.jpg (40.67 KiB) Viewed 4073 times
8a.jpg
8a.jpg (36.21 KiB) Viewed 4073 times
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jedwards123321
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Joined: Wed Aug 01, 2012 11:38 pm

Re: Holy Acrylic!

Post by jedwards123321 » Thu Aug 02, 2012 1:00 am

I'm new to this whole CNC thing. (Per my earlier post, my Shapeoko is part of upcoming batch #3).

How did you know to use the soap/water lubrication? Previous experiences? Web research? Trial & error? Mentor?

In my ignorance I would have dropped the 8mm acrylic into the mill and not used any lubrication at all -- would I have wrecked something?

Your finished product looks great btw. :-)

AtomSoft
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Re: Holy Acrylic!

Post by AtomSoft » Thu Aug 02, 2012 1:07 am

I have read it online (web) somewhere ... but i can say for a fact... it helps 10x... less build up (if any) and cleaner results.

8mm acrylic is THICK "0.3149606296 inch(s)" about a 1/3" ... if you dont use lube or something your bound to either snap a bit or run the spindle into the bottom base from build up, and if that happens you can burn out your spindle and even the motors .... Its like trying to ride a bike with a metal beam through the wheal.. its not gonna work and you could break the wheal .
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PLHS54
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Joined: Sun Apr 22, 2012 7:36 pm

Re: Holy Acrylic!

Post by PLHS54 » Thu Aug 02, 2012 5:19 pm

Very nice results! What kind of endmill were you using? Also, how did you secure the piece down while it was being milled?

AtomSoft
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Re: Holy Acrylic!

Post by AtomSoft » Thu Aug 02, 2012 8:29 pm

PLHS54, i used the endmill from the group endmill post... 2.4 mm i think or 3mm not sure...
Also to hold it down i used the custom clips i made.. Check member projects for it.
:mrgreen:
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Colecago
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Joined: Fri Jun 08, 2012 5:31 pm

Re: Holy Acrylic!

Post by Colecago » Thu Aug 02, 2012 9:24 pm

Whats up with the honeycomb look to it? Is it etched on one side, did you etch that in, is it the protective cover on one of the sides?

AtomSoft
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Re: Holy Acrylic!

Post by AtomSoft » Thu Aug 02, 2012 9:34 pm

That was a recycled piece of acrylic from the back of a lcd monitor. Its etched into it as a diffuser
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PLHS54
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Re: Holy Acrylic!

Post by PLHS54 » Fri Aug 03, 2012 12:23 am

Thanks! Very creative for the clips. I don't see any place where you had tabs to keep the piece in place once it was cut...maybe I'm not seeing them? Can you elaborate more on this?

AtomSoft
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Re: Holy Acrylic!

Post by AtomSoft » Fri Aug 03, 2012 12:30 am

I didnt have tabs at all, but they are recomendded.
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