First CNC Routed / LED Project - Router Forums
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post #1 of 22 (permalink) Old 03-04-2019, 12:30 AM Thread Starter
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Default First CNC Routed / LED Project

We recently finished our CNCRP 4896 Pro router with custom vacuum table. While we have done a couple routed ACP signs with digitally printed faces / lettering but this is our first Routed / LED combination sign. Unfortunately this project had a tight deadline so I wasnt able to take photos of the assembly process.

Thanks for looking
Gary
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post #2 of 22 (permalink) Old 03-04-2019, 12:49 AM
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Talk about wicked looking ! Great job Gary

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post #3 of 22 (permalink) Old 03-04-2019, 01:01 AM
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ACP is Aluminum skin over some sort of plastic core, right? If this is the material used on the sign in the attached pic, I'm curious how it was lit. I have done some experimental things with acrylic/lexan carving to make edge lit panels. But that is different than what I see here. More info if you can share please? Is the core material translucent, so that edge lighting still transmits to the carved area, even thought the skin is opaque?


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post #4 of 22 (permalink) Old 03-04-2019, 07:13 AM Thread Starter
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Rain man thank you, Brian no sorry I should have explained the process better. You are correct that the ACP is an Aluminum Composite Panel. Then I have a sheet of 3/16" translucent white polycarbonate Lexan with 3m 3630 translucent blue & green vinyl applied to where the lettering is. We then used 3m VHB tape to apply the ACP to the Lexan. I built a 3" deep box / cabinet out of 3/4" marine grade plywood to house the waterproof LED's. We could have made the cabinet out of aluminum extrusion or ACP but I wanted something that I could use screws to attach the LED's via a bracket. Then we drilled oversize holes in the ACP and lexan to allow expansion & contraction differences between it & the wood. The faces were attached with stainless truss head screws then painted to match the ACP. I'm new to LED but I'm pretty sure we used 3528 (or it was 2835) 6500k white LED's to light the box. I can look when I get to the shop.

The logo that glows has 5050 RGB waterproof LED's taped to the back of the ACP with 3m VHB tape then 100% clear silicone around the VHB for extra security. The LED's are placed about 1.5" in from the edge. Facing back towards the wall. The logo was mounted 2" away from the wall on treated brackets.

Thanks for looking
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post #5 of 22 (permalink) Old 03-04-2019, 09:09 AM
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Looks like you're off and running with the new machine, Gary. Very innovative. Plus........... it looks pretty impressive!!

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post #6 of 22 (permalink) Old 03-04-2019, 09:39 AM
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That looks really nice and very professional, Gary! Good job.

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post #7 of 22 (permalink) Old 03-04-2019, 09:48 AM
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Quote:
Originally Posted by RainMan 2.0 View Post
Talk about wicked looking ! Great job Gary
Is that really a good way to describe a church sign? All kidding aside, it does look fantastic.
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post #8 of 22 (permalink) Old 03-04-2019, 11:20 AM
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Gary, Very nice looking sign. I'm sure they are happy with your work.

For those that don't know 3M VHB tape is 3M brand and the VHB stands for very high bond.

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post #9 of 22 (permalink) Old 03-04-2019, 11:38 AM Thread Starter
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Thanks everyone. Yes VHB is very high bond I'm used to sign industry people, it's used so much in the sign industry everyone knows that product.

If you've never heard of it Kennworth uses it to hold their bumper covers on their Semi trucks. As I like to say you could glue whale snot onto an iceberg with it.

I'm here to learn about CNC routing & anything else I can pick up.

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post #10 of 22 (permalink) Old 03-04-2019, 12:58 PM
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Great job Gary, and really good choice for the colors.
I'm beginning to look at CNC's myself, but I need a bottle of aspirin after about an hour of looking. I do not intend for this to be a business, just a hobby.

Thanks for sharing.
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