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Old 26th Nov 2010, 01:24   #41
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Great guide!

Speaking of Mcmaster, I bought this Drill bit set for Plastic from them
http://www.mcmaster.com/#drill-bits-...astics/=9hldrb





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Old 14th Dec 2010, 02:05   #42
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This information relates to those using a CNC.

Machine: 10,000rpm

Single Pass: 3mm

Tool: Straight cutter, 30 degree rake

Speed: 4000mm/min

Direction of Cut: Climb

All these factors combined = incredible finish on acrylic cuts.
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Old 13th Mar 2011, 14:41   #43
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Excellent guide and description of the various types of plastics!
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Old 15th Apr 2011, 10:55   #44
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great guide... thank you a lot for this informations

it is possible to do chamfer hand made on plexiglas.
i saw a video where a man chamfer edges with a plate tool with triangular edge cut

this is the tool


the question is : in a hole, how can i do my chamfers?
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Old 15th Apr 2011, 13:19   #45
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Quote:
Originally Posted by Djayness View Post
This information relates to those using a CNC.

Machine: 10,000rpm

Single Pass: 3mm

Tool: Straight cutter, 30 degree rake

Speed: 4000mm/min

Direction of Cut: Climb

All these factors combined = incredible finish on acrylic cuts.
You might want to call the speed as feed instead. Usually speed relates to tool diameter and spindle rpm. So for your case someone could argue that for that speed and that rpm, you are using 0.8mm diameter end mill. Actually, what tool are you using?
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Old 25th Aug 2011, 13:54   #46
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Thanks for the guide - have some rep
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Old 2nd Oct 2011, 05:00   #47
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nice info bro! thank you for sharing!
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Old 5th Oct 2011, 09:11   #48
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Yer thx ,)
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Old 8th Apr 2012, 22:52   #49
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What about the 'unibit' drill bits? are they any good for plastics?
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Old 27th Apr 2012, 09:27   #50
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Just a quick question what tool do I use to make threads for my screws, what would you say is that standard size I would need for a PC case
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Old 27th Apr 2012, 13:52   #51
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Any ideas on embedding leds for edge lighting. Acrylic is fairly thin and am wondering how to drill a hole into the edge to hot glue in an led? Perhaps a miniature doweling jig? Also those drill bits pictured are they avaialable in metric any ideas where to get a set in australia?Great guides Thanks in advance.
edit: Another quick question if you have a bent piece of acrylic and you edge light it does the light travel around the bends like in optic fibre? I read somewhere it is fibrous and have been wondering about edge lighting around bends.

Last edited by bluc; 26th May 2012 at 05:34.
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Old 26th Jun 2012, 04:38   #52
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I have seen video of people welding the acrylic with acetone is this bond as strong as the one created by weld on cement?
EDIT: I joined to scrap bits with the acetone the joint is self supporting after about 10 mins I will let it sit for 24 hours then I will torture it to see how strong it is and report back cheers.
Edit 2 acetone= epic fail. Not at all a strong and on inspection of the acrylic it barely marks the acrylic. Can cross that off the list! Weld-on on order:-)
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Last edited by bluc; 27th Jun 2012 at 06:58.
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Old 14th Jul 2012, 10:23   #53
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When using weld on #3 how smooth should the edge be to get a strong bond i finished the parts with 180 grit sandpaper on a disc sander they are pretty smooth but a few very shallow grit marks in the edge. Its a reservoir mount and will support about 1.5 kg is this finish ok?
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Old 16th Aug 2012, 11:57   #54
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Really good guide and exactly what I needed.

I downloaded Alibre Xpress as recommended in the OP and its great but wondered if there's better software (free or v.cheap) that people would recommend?
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