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| Need advice on slicing fiber purfling http://w-ww.luthiersforum.com/forum/viewtopic.php?f=10102&t=9245 |
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| Author: | JJ Donohue [ Fri Nov 10, 2006 9:11 am ] |
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I recently glued up a B/W fiber purfling layup consisting of 6"x36" with each fiber sheet at .020". The only option I have to slice it into .090" strips is on a bandsaw...unless someone has a better way. I made a few passes using a 1/4" blade with 14TPI and the cut looks awful...I believe the blade to be dull. So I was going to purchase a new blade when I thought I should first ask for advice based on experience. Is this the correct choice of blade or is there something better?...are there better options? TIA |
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| Author: | John How [ Fri Nov 10, 2006 9:16 am ] |
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I have been slicing .020" color dyed wood veneers up for purflings using nothing but a long straight edge and a exacto knife and that has worked very good. You will be cutting .040" thickness and the fiber is no doubt toughter than my maple veneers so I don't know if that will work. It does give a very nice edge however. Good luck |
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| Author: | Colin S [ Fri Nov 10, 2006 9:23 am ] |
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Straight edge and Stanley knife here as well, works fine, clamp the straight edge down with some cam clamps so that the veneers can't move while cutting. I just did some pear and ebony veneers recently at .060" and it works just fine. Just needed some good pressure and a couple of passes. Colin |
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| Author: | Arnt Rian [ Fri Nov 10, 2006 9:28 am ] |
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That is how I do it too. |
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| Author: | JJ Donohue [ Fri Nov 10, 2006 9:50 am ] |
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WOW...3 "heavyweights" right out of the box. If it's good for you it'll be fine for me. I'll give it a try...thanks! |
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| Author: | Arnt Rian [ Fri Nov 10, 2006 10:00 am ] |
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JJ, not me, you must be thinking of someone else! What I'd really love to have access to is what Howard Klepper (I think) has; one of those large paper cutting knifes that are hinged on a table, it sounds perfect for this. |
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| Author: | TonyKarol [ Fri Nov 10, 2006 10:24 am ] |
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40 tooth 7 1/4 diablo on the table saw .. what ever width you want ... it wastes more than the knife, but its way easy and if you use wood it never follows grain. |
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| Author: | JJ Donohue [ Fri Nov 10, 2006 11:11 am ] |
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Tony...do you cut the purfling by itself on the table saw or support it or sandwich it? BTW...I have that blade. Arnt...Paper cutters...I have a 24" rotary cutter that cuts this stuff beautifully...unfortunately it's too short. |
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| Author: | Rod True [ Fri Nov 10, 2006 7:16 pm ] |
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What about a fret sloting blade on the table saw JJ? It would waste less wood than the diablo. You could double side tape a piece of arborite (counter top material) down on the table saw, set your fence over top of it and raise the blade for zero clearance, now set your fence to what ever width you want and rip them through. |
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| Author: | TonyKarol [ Sat Nov 11, 2006 12:53 am ] |
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I also ahve a second small Beaver table saw not up and runnin yet that will use my old stew mac slotting blade, freshly sharpened (I am using shanes as my main FB slotter now). I for got to mention when slicing on the table saw I made a 2x4 hold down board from 1/2 inch baltic birch. Set the fence to whatever width purf you want to cut, then slide the hold down baord over the blade to cut a groove in it. Now start to cut a purf piece, maybe 3 4 inches into the cut then stop the saw. Leave the purf piece in the blade, and then clamp the holddown over the purf and blade (It should completely cover the blade) just snug enought that you can still slide the purf piece. This will the hold the purf down as you slide it into the blade, and you can get your hands as close as you want because the blade is completely and tightly covered. Its simple and repeatable, because now you can use the slot in the hold down to help set the fence the next time you are cutting pieces. |
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| Author: | BobK [ Sat Nov 11, 2006 1:09 am ] |
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I cut .020 x .250 purfling in half using a razor knife and straight edge as well. But since is was so small to start with clamps wouldn't hold so I used masking tape. BobK |
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| Author: | Serge Poirier [ Sat Nov 11, 2006 2:37 am ] |
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JJ, I would use Shane's fretsaw blade on the TS also, this blade makes very clean cuts! |
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| Author: | Keith M [ Sat Nov 11, 2006 5:07 am ] |
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I use type C with a straight edge. Here |
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