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Laser cut of carbon sheet

PostPosted: Wed Oct 02, 2013 7:00 am
by fma
Hi!

Is it possible to laser cut a carbon sheet, like those used for quads or so?

Does it require powerfull laser?

Thanks,

Re: Laser cut of carbon sheet

PostPosted: Thu Oct 03, 2013 1:41 am
by Speedythinker
If you have a sample, send it to me and I can run a test for you.
I have 100W and 40W system standby for testing

Marco
Lightobject.com

Re: Laser cut of carbon sheet

PostPosted: Thu Oct 03, 2013 3:06 pm
by Guldberg
Nope. Tried it, its a no-go even on 150w

Re: Laser cut of carbon sheet

PostPosted: Thu Oct 03, 2013 4:26 pm
by bdring
One of my suppliers says he has seen it done on really big lasers of like a 1000 watts. He has been cutting FR4 for me lately, which I previously thought was impossible. It darkens the edge, so he uses black FR4. Most people water jet cut carbon fiber.

Re: Laser cut of carbon sheet

PostPosted: Thu Oct 03, 2013 7:10 pm
by cvoinescu
What's the standard method for FR4, then, milling? Or waterjet too?

Re: Laser cut of carbon sheet

PostPosted: Fri Oct 04, 2013 5:00 am
by macona
FR4 is usually routed or milled out. We just machined a bunch at work. Smells pretty bad.