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Author Topic: Plexiglass for the laser cutter  (Read 3164 times)

Simply7

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Plexiglass for the laser cutter
« on: June 21, 2012, 07:39:27 PM »
I heard the other night that a local glass shop provides us with scrap plexiglass. Is someone actively helping them 'cleanup'? ???

We have some and I dont know if they have much colored in the scrap pile. I was looking to get some tinted plexiglass and was wondering if I should wait and see or check elsewhere? If so were can i get different colors?

digitalman2112

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Re: Plexiglass for the laser cutter
« Reply #1 on: June 21, 2012, 07:43:42 PM »
Laird Plastics has given us scrap before, but it requires calling ahead, talking to the manager (Joel), he will save for a few days, then you can pickup at times that are convenient for them. I did this a few times, but just generally don't have the time during the workday to chase it.


Ian

Hybridsix

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Re: Plexiglass for the laser cutter
« Reply #2 on: June 22, 2012, 08:42:13 AM »
Simply7, Most of us have been buying sheet stock from Mcmaster. This is where all the pretty colors come from. Its been suggested that since I know that site really well, I put together a parts list of things from McMaster that we can cut with the laser. Perhaps I'll do that. but until then, what are you looking for? I can at least find the right part for you. McMaster is next day shipping to orlando, with ground charges. Very reasonable place.

willasaywhat

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Plexiglass for the laser cutter
« Reply #3 on: June 22, 2012, 09:01:49 AM »
I love the idea of a most frequently used FamiLAB mcmaster parts list. :)

Simply7

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Re: Plexiglass for the laser cutter
« Reply #4 on: June 22, 2012, 11:54:41 AM »
How about taking it a step further. A forum section for companies and parts?

Just the other day someone mentioned that they didnt know about skycraft. Rick Bardock mentioned two companies that I havent heard of.

digitalman2112

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Plexiglass for the laser cutter
« Reply #5 on: June 22, 2012, 03:41:36 PM »
I like it - we'd started something on the wiki, but A forum thread is likely a good way to go at this point...

Hybridsix

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Re: Plexiglass for the laser cutter
« Reply #6 on: June 22, 2012, 04:52:48 PM »
Also, Plexiglass is a brand name; while it is acrylic, we should not play around with names of plastics. Even calling it Acrylic can be a misnomer, because there are several formulations of it.


I only say this to be sure that you know what you are cutting, at all times. Polycarbonate aka "Lexan" contains dangerous chemicals, that are more prone to cause issues than standard Acrylics.


 All plastics are not created equal, and we should be sure of what we are cutting before we do. There is a section on the wiki about what we can, and cannot, and won't cut. The can/cannot list is for both health and safety reasons, as well as continuing functionality of our laser.

Simply7

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Re: Plexiglass for the laser cutter
« Reply #7 on: June 22, 2012, 05:07:53 PM »
When I built my first robot I used what the only glass shop in town had, plexiglass. So I've always called it that, but its acrylic.

So if you know the mcmaster part numbers for that cool neon green... That will get me started in the right direction.

Hybridsix

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Re: Plexiglass for the laser cutter
« Reply #8 on: June 22, 2012, 06:50:42 PM »
The mcmaster part for the 12"x12", 0.118" (3mm) thickness is 85635K464. $7.61 each plus shipping.

PockyBum522

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Re: Plexiglass for the laser cutter
« Reply #9 on: June 26, 2012, 01:15:46 AM »
If I can help grab scrap, tell me who I should contact and when, or if I should just contact them and find out.


Thanks!

Simply7

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Re: Plexiglass for the laser cutter
« Reply #10 on: June 26, 2012, 06:40:43 AM »
Digitalman2112 mentioned it in the thread previously, Joel at Laird Plastics.

PockyBum522

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Re: Plexiglass for the laser cutter
« Reply #11 on: June 27, 2012, 07:36:32 PM »
Assuming nobody tells me I shouldn't, I'm going to call them in the next few days and start doing pickup duty.


Thanks!

digitalman2112

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Re: Plexiglass for the laser cutter
« Reply #12 on: June 27, 2012, 09:31:09 PM »
Assuming nobody tells me I shouldn't, I'm going to call them in the next few days and start doing pickup duty.

Please do. Consider taking him a keychain or other fun laser-cut item as a thank you :)

PockyBum522

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Re: Plexiglass for the laser cutter
« Reply #13 on: June 28, 2012, 02:28:33 PM »
Good idea! I'll make a couple and bring them down.