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Preventing Blow-Out When Cutting Double-Sided Veneer Plywood
Question
Forum Responses
From contributor K: You could get the blade contributor T suggested or you could also cut the piece 2-3" longer and trim it after on a radial or chop saw. That is assuming you have the length to do it. From contributor A: Several possible solutions: 1.) Use a veneer blade and a zero clearance insert on your TS. Use a stabilizer on the blade. You'll still see a little chipping on the lower edge. The blade has to be kept sharp. Some manufacturers' blades will hold up longer between sharpenings before they begin to cause chip out. 2.) Use a vertical panel saw with a scoring blade. (Pretty expensive, unless you plan to make lots of veneer ply boxes.) 3.) Cut up the panels with a circular saw and guide. Use a high quality blade on the circular saw. You have to make two cuts: First score with a 1/8" deep cut, and then cut the panel through. (Kinda slow.) - A Festool circular (not your every day circular saw) does this really well and quite quickly. It has a chipout guard on the upper surface, so you can get pretty good cut quality with just one pass - no scoring.
From contributor D: Another thing you might try, even with a good blade, is using masking tape wrapped around the area to be cut. Even if you're only cutting a little veneer, a good blade is the best thing short of spending a lot on scoring saws, etc. From contributor H: Try adjusting the height of your blade - sometimes this can make a lot of difference. Recently bought the Festool saw and guide - best thing since sliced bread. From contributor J: Try out the Forrest Hi-At 80 tooth blade for melamine and veneer ply. It is easily available and one of the best I've used for cutting v.c. ply cleanly. From contributor E: Run your blade up about 1/16 to 1/8" and make a scoring cut on the bottom first, then run the piece through again. Try a scrap piece first. From contributor Z: First, get a veneer blade as suggested: Freud, Amana, Forrest. Second, you must use a zero clearance insert. Third, as important as all the above plus, absolutely make sure your fence is parallel to blade and the blade is square to table. I mean really, really square. Would you like to add information to this article? Interested in writing or submitting an article? Have a question about this article? Have you reviewed the related Knowledge Base areas below? 
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