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The Magic Cafe Forum Index » » The workshop » » Cutting Acrylic (0 Likes) Printer Friendly Version

Dr_J_Ayala
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Is there anyone here who can suggest how to cut a clear acrylic rod without chipping or cracking it? Is it possible with normal shop/rotary tools? I assume if it is possible that wrapping the section intended for cutting with tape to help protect it would be required, but what else?

Any information/input would be greatly appreciated.
MentalistCreationLab
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Hi Dr. you may want something like this
http://www.toolstoday.com/c-382-non-melt......des.aspx

There are better blade companies that make this type of blade.
makeupguy
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I use a PVC Pipe cutter to cut my Acrylic Rod.. the first time I tried it .. I was AMAZED at how clean the cut was.. as it sort of just CRACKS it in the correct place..
Dr_J_Ayala
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Quote:
On 2011-12-11 18:51, makeupguy wrote:
I use a PVC Pipe cutter to cut my Acrylic Rod.. the first time I tried it .. I was AMAZED at how clean the cut was.. as it sort of just CRACKS it in the correct place..


I wondered if a pipe cutter would work. I will have to see if mine does the job.

Thanks for the suggestions thus far!
sleightly
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Try using a fine tooth finish blade and putting it on backwards.

Not kidding, backwards so the back of the teeth are striking the acrylic (basically melts through the acrylic).

Works remarkably well and leaves a smooth finished edge. Sometimes you will build up flashing on the top surface, but it should snap off cleanly...

Smelly, possibly toxic and I might make multiple passes through thick material (more than half inch), but this is very effective.
makeupguy
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A pipe cutter and a PVC Pipe cutter are not the same thing... and probably aren't interchangable.
You can get a reasonable PVC Cutter from Harbor Freight for pretty cheaply...and it works GREAT.
billappleton
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Quote:
On 2011-12-11 21:05, sleightly wrote:
Try using a fine tooth finish blade and putting it on backwards.


I haven't tried that one, but a high quality plastic blade on a chop saw works for me.

And yes, you are essentially melting the plastic.

Finishing can be done with sanding and then polishing and then a little blowtorch action for a clear end.
jay leslie
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Cutting acrylic changes depending on weather you cut with the grain or against. That matters depending on weather it's cast or extruded. Speeds and feeds are different depending on what make-up the material is i.e.. Plexi G and Polycarbonite each slide through a saw at different rates. You can use a table saw, a jig saw or other devices. Done correctly you are not burning or melting the material, done correctly you will see the flakes or swarf (while swarf is commonly attributed to metal, all the plastic workers I know use it as well) flying off the blade and when you're done you can use it all as fake snow.

You'll need different drill bits, if you're drilling holes too because they have a more severe geometry that won't chip the material.

You're best source of information is from google and YouTube, Dr_J_Ayala. There are plenty of videos that show you all aspects of working with acrylic. The second best is from the plastic supplier.

Click here to view attached image.
HighClass
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Perfect timing on this forum. Just bought a sheet of acrylic to make some side tables.
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