craig tufankjian
Posts: 308
Joined: 2004-02-01
Location: syracuse ny 13208
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while I cant speak on the rubber process, the process i use is rather simple.
http://i244.photobucket.com/albums/gg28/customone/Picture11-4.png
the attached photo shows the process, from the top down, 2 inch rigid foam, wax paper, crotch mahogany (or whatever) poplar for the secondary veneer, taped to 1/4 inch marlite which has a semi gloss plastic film face on masonite. next to that you will notice the poplar is at least one inch longer on both ends and the blue tape or whatever tape you use does not interfere with the face veneer, and the face veneer is at least 1/2 wider.
You can go straight into the press without removing the blue tape and putting the lay up on a separate platen, or you can use a different platen.
If you use the same platen, you can go straight from the press into a wide belt sander or sand the lay up right on the platen. if you send it through a wide belt sander or calibrated sander, instead of blue or masking tape use filament strapping tape which hold up better than blue or masking tape.
Because the face veneer is elevated by 1/32 or 1/42 higher than the poplar and tape the sander head should not hit the tape. it is also a good idea to run some tape down the length when using a wide belt, once the head starts to sand it will pull the lay up tight and want to tear tear along the grain were it was taped along the width
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