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Custom Cut Plexi.
crashwg:
--- Quote from: bkenobi on December 25, 2009, 11:42:39 am ---Lasers?! Those are so 1990's. What you want is a water jet cut CP! :cheers:
--- End quote ---
Not the best idea for MDF or plywood... I used to deal with a waterjetting company at a previous employer and the only thing it seemed that they couldn't cut was something "layered". Apparently when the jet cuts through a layer and hits the layer bellow it would spray out on top of that layer and subsequently de-laminate the material. I'm not entirely sure what the result would be on MDF but in my experience it seems to split in layers. Not to mention you'd probably have to paint the MDF first so the inevitable water spray would not create little swollen bumps all over the surface.
There would be no problem watterjetting the plexi or lexan though and using a flush cutting bit in your router...
AcidArmitage:
wouldnt the mdf soak up the water and poomph up like a marshmallow?
bkenobi:
CP's can be made out of metal too. Actually, you would be surprised what uses people have come up with for waterjets. I've heard that they are (or at least used to be) used for food products like cookies and what not. They use a food based garnet in the liquid in that case rather than a sand base. I don't know what you could use to cut MDF, but I agree water+MDF=bad, generally.
Creeper:
You can get exterior grade MDF which is resistant to the elements but its slightly more expensive. I work at a CNC shop which specializes in film props and set construction, we have three 5'x10' router tables that kick all kinds of ass. I'm gearing up to start building my cabinet and considering using some of that mdf. If not then just some quality birch ply with a laminate.
Knave Jack:
I have waterjet a couple of control surfaces now, and exterior grade MDF or MEDEX works great. So does marine grade plywood. I made a couple of stainless steel surfaces in the past, but I am over the kitchen appliance look. I will post some picts of them. Didnt help that the big one was made from 11GA. It was all I had laying around at the time, and it looked nice. It just weighed a ton. Still have it if anyone wants to use it. The other one was for my 60-1 cabaret cabinet. I will post picts tomorrow. They are on the shop computer. If anyone needs something waterjet cut, dont hesitate to ask. We have 2 of them and they can do some really cool stuff.
KJ
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