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acrylic question (for experts...)

post #1 of 24
Thread Starter 
So this question is for like Syrillian, CyberDruid, and all u other acrylic masters out there..

so im tryin to create an edge.. i have a piece of black acrylic at approx .25" thick.



(sorry for the large image size)

i want to do a 1" Bevel or Chamfer or if possible, a Quarter Bullnose.. one of those three.. in order of wanted least to most wanted. of course, the "most wanted" one is the hardest to do. but i want some suggestions on what to do to get some kind of nice looking edge.

also.. how do clarify edges? i understand a blowtorch is needed but what is the technique and procedure to do it?

and uhh.. how do get rid of scratches on the surface of the acrylic.. accidently put some
 
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post #2 of 24
A router may be the only way to get an edge like that, or should I say a router and table. 1" might be a stretch considering the thickness of your material.
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post #3 of 24
Hi.

1/4" thick can be tricky for a full bullnose, unless you have a bullnose bit and router guide.

Here are some pics that show the inherent issue with bullnosing with a roundover bit.

No problem:



Problem:





There are some Dremel router bits, but they have no guide-bearing and can be rough on the edge. That is not a good idea when tolerances for error are measured in such small incremetns... especially when such errors shine brightly on acrylic.

There are light-wight routers that accept full-size bits, there are bits for every profile in the picture that you posted, the problem is guiding thinner panels.



P.S. Maestro will be by shortly.


P.S.S. If you want pics of some setups for profiling, just shout.
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post #4 of 24
Thread Starter 
think im gonan borrow a friend's router table. i dont remember him having a round over bit (ha i used that bit on my drawers for my desks)

will go to home depot or lowes or something and check out the bits they got. maybe will find one that will do what i want.
 
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post #5 of 24
The bit in the picture is a 3/8" roundover, it is the smallest that I was able to find locally that had a guide-bearing.

Oh... and the Dremel bits do work. I just find that I have to spend more time cleaning the routed surface up.
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post #6 of 24
The way arouind the tracking issue for the bearing is to doublestick tape the acrylic to a backer board the same size. THen you can run the bearing against the backer board.
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post #7 of 24
Quote:
Originally Posted by CyberDruid View Post
The way arouind the tracking issue for the bearing is to doublestick tape the acrylic to a backer board the same size. THen you can run the bearing against the backer board.
_/\\_

...as always... you raise my bar -thank you.

+
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post #8 of 24
Thread Starter 
i was thinking about it last nite and thats what i came up with too haha..

great minds think alike? >_>
 
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post #9 of 24
Well actually there is a simpler and more obvious solution can you guess what it is?
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post #10 of 24
Fire? Fire does everything.
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