Darryl Keil Last Activity 2026-01-12 8:29 AM
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Joe

 
Subject : Caul/platen (?) thickness
Posted : 2000-05-20 12:39 PM
Post #30574
What size caul/platen material is best? I have been using 3/4" mdf with melamine laminate on one side and air movement grooves on the other for flat work on 1/2" mdf. I was wondering if 1/2" mdf cauls/platens would be easier to work with (weight wise) but still give me a good finished product.Any suggestion?



 
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Darryl Keil

 
Subject : Caul/platen (?) thickness
Posted : 2000-05-21 9:57 PM
Post #30575 - In reply to #30574
Dear Joe,Except for buckled veneers I use 1/4" melamine coated masonite for cauls. Even for the difficultveneers I never use anything thicker than 1/2".When I say caul, I mean the material againstthe veneer. The platen is the board that stays in the bag with the grooves in it. The platenis always 3/4".SincerelyDarryl Keil: What size caul/platen material is best? I have been using 3/4" mdf : with melamine laminate on one side and air movement grooves on the : other for flat work on 1/2" mdf. I was wondering if 1/2" mdf : cauls/platens would be easier to work with (weight wise) but still : give me a good finished product.: Any suggestion?




 
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Joe

 
Subject : I m confused
Posted : 2000-05-22 3:39 PM
Post #30577 - In reply to #30575
So what you are saying is that when you do a panel, inside the bag is 2 cauls, 2 platens, 2 veneers, and a substrate?Is there anything wrong with just using 3/4" MDF with plastic laminate on one side and grooves on the other as a combination caul/platen?Thanks for your help.




 
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Darryl Keil

 
Subject : I m confused
Posted : 2000-05-22 9:12 PM
Post #30578 - In reply to #30577
Dear Joe,No, Im saying, for veneering both sides, its 2 cauls, 1 platen and 2 veneers. Another way to look at it is, starting from the bottom, its a platen with the grooves facing up, a caul, veneer,substrate, veneer, and caul. You need the platen to have the grooves on the veneer side tomake sure there is good air evacuation around the panel. Having the grooves on the other sidemay trap some of the air. You can also give me a call, (not a caul) at 207-725-0935 if you want to discuss it further.SincerelyDarryl Keil: So what you are saying is that when you do a panel, inside the bag is 2 cauls, 2 platens, 2 veneers, and a substrate?: Is there anything wrong with just using 3/4" MDF with plastic laminate on one side and grooves on the other as a combination caul/platen?: : Thanks for your help.
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