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| A weird and quirky idea - CRT shaped glass/acrylic slab for LCD screens. |
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| jdbailey1206:
1" for thickness? That seems to be a little over kill. I put in .3 for a mold depth and got 1.96 Lbs. Or .89 Kgs for those of us on the 'crazy' metric system. ;D That will get you 32 oz. (1lb = 16 oz.) I then found a website that offers a clear resin for $25.00 here. I have not personally worked with resin. http://www.instructables.com/id/How-to-Polish-Resin/?ALLSTEPS] Polishing Resin Repairing Acrylic and Polycarbonate And remember Edison once said that he figured out 1999 ways on how NOT to create a light bulb. Hopefully you get this bird to fly. |
| Maximus:
I think the important thing not to miss here is that whatever material you use it needs to be a solid block with one flat side that fits perfectly against the face of the LCD and the opposite side matches the contour of a CRT screen. Having an air gap in between will give a crappy effect. |
| lilshawn:
what about heat forming the plexi over the tube as mentioned before...then trimming the plastic to the LCD size needed, sealing it to the LCD, and then filling the empty space with the liquid resin? a similar technique is used in the old projection CRT TV's of the 80's and 90's. A lens was mounted to the front of the tube, then a liquid (coupling fluid) was inserted between the lens and the picture tube to "optically couple" them together. |
| Maximus:
That sounds like it would work although what would you use to do that and have zero bubbles? Cool idea. |
| lilshawn:
back in the day to force bubbles out of castings, they use to use a vacuum pump and vibration to pull out the air. I would assume if you used a 2 part resin a guy would have to be super careful about introducing air into it as it was mixed. it would be hard, but doable. what about something more of a liquid, like a ballistics gel. it' needn't be hard since it will be sealed away. another alternative could be to seal the panel with silicone around the edge of the metal frame...apply the curved plastic to the front...seal it...and actually fill it with a liquid (mineral oil or silicon oil could work.) Ive seen some pics of people who've built computers in mineral oil filled fishtanks... it shouldn't (in theory) eat the plastic on the LCD panel face. :dunno |
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