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| Building a 3D Printer, RepRap Mendel Prusa2 by craynerd |
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| jiihoo:
--- Quote from: craynerd on June 18, 2012, 06:53:13 AM ---Lexan, that is the one! I like the idea of the idea of the carbon fibre sheet - is it pretty lightish (to be honest, lexan is fairly heavy!)? --- End quote --- Lexan is polycarbonate http://en.wikipedia.org/wiki/Lexan http://en.wikipedia.org/wiki/Polycarbonate. If "generic" polycarbonate is ok, then it should be quite easily available. Nothing wrong with carbon fiber either. Anything made from carbon fiber is cool and adding a carbon fiber part to anything makes it cool :drool:. Cheers, Jari |
| raynerd:
--- Quote from: jiihoo on June 20, 2012, 09:01:33 AM --- Nothing wrong with carbon fiber either. Anything made from carbon fiber is cool and adding a carbon fiber part to anything makes it cool Jari --- End quote --- Yea, I don`t have a clue of the properties but it certainly sounds cool!! Chris |
| AdeV:
Carbon fibre, when used with proper resins and baked in an autoclave (aka: oven) makes very strong yet very light parts. You can't extrude carbon fibre because it doesn't melt. You might be able to extrude plastic onto a carbon fibre mat, but unless it soaks through, bonding the plastic into the mat, I can't see the point. Normally, carbon fibre is laid in the same way as fibreglass (or glass fibre mat, as it ought to be called). |
| raynerd:
--- Quote from: AdeV on June 20, 2012, 09:27:40 AM ---Carbon fibre, when used with proper resins and baked in an autoclave (aka: oven) makes very strong yet very light parts. You can't extrude carbon fibre because it doesn't melt. You might be able to extrude plastic onto a carbon fibre mat, but unless it soaks through, bonding the plastic into the mat, I can't see the point. Normally, carbon fibre is laid in the same way as fibreglass (or glass fibre mat, as it ought to be called). --- End quote --- Ade, not sure what you mean :scratch: I don`t think anyone is talking about extruding carbon fibre!! We are talking about using carbon fibre for the base plate under the heatbed so that it doesn`t bend or warp. I`m currently using 6mm ply and it has bent like hell so it need changing. Peter suggested Carbon fibre or lexan. |
| AdeV:
:Doh: :doh: Sorry, brain-fart time.... C/F would need to be properly shaped to be rigid; but it should be dead light & would take the temperature easily without warping. |
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