Given this, please assume that any links leading you to products or services are affiliate links that we will receive compensation from. All content on The Wood Whisperer is copyrighted, and may not be reprinted in full form without my written consent. It turns out, there are a variety of things you can do to greatly reduce and even prevent router tearout and splintering. Perhaps it will cover your gas visiting the store or let you buy an additional tool! First, use a zero clearance insert on your tablesaw. Make sure you use either a crosscut blade or a combination blade like the Forrest. Here’s how one woodworker works around this problem. Designed and developed by Underscorefunk Design. The Wood Whisperer abides by word of mouth marketing standards and holds integrity in the highest regard. That will only help the bottom side of the workpiece. I make a light cut at first and then follow the line a few more times until the outer veneer is cut thru. The Wood Whisperer, The Wood Whisperer Guild, TWW, and TWW Guild are trademarks of The Wood Whisperer Inc. All rights reserved. It only takes shallow cuts to do the job, but they need to be accu- rate. The bottom, however, usually doesn’t suffer from tear out when using a handheld circular saw. When the bit breaks through those weak fibers, it’s a prime opportunity for tearout. Download the free garage cabinet plan to observe how simple it is. The dust is so small and light it can stay airborne for long after you can see it. This has greatly reduced tear out for me in that now instead of 1/4-1/2″ of waste on the cut from tear-out, it’sways less and happens less often all together. When you’re cutting plywood, sometimes the blade catches the veneer and rips it unevenly, causing “tear out”. The hubs and I have been working on a project that I should have installed and ready to show you next week, but I thought I'd share a little tip with you in the meantime. Make a quick sketch on a 12”x12” piece of scrap plywood and use a ¼-inch bit to cut it out. Make sure that you run your wood on your router in the direction of the grain. I use the Forrest Dado King, which I picked up used about 6 years ago. No problem man. To avoid tear-out, cut the piece oversize, rout the curved edge, and then rout the piece to final size. A sharp high quality blade is definitely worth the investment. Then, when you rout with a flush-trim or pattern bit, you can run the router in either direction with little chance of tear-out. When using a circular saw, I often find that I rip up the bottom edge of a sheet of plywood after cutting it. Tension is extremely important. Shopsmith Academy shows you how to prevent tear-out and practice good shop safety while routing. Instead of a conventional cut, I did a climb cut, and tearout was pretty minimal. I’ve got a 1987 Shopsmith sawsmith 2000 and I’m trying to figure out how I can make a zero clearance insert…the throat plate is 31″ and only 1/8″ thick….maybe plexi. The first happens when routing end grain; as the workpiece approaches the end of the cut, the bit will tend to … Now I have nice clean cuts. 2. You can buy insert blanks specifically made for your saw, or you can just make your own from plywood or MDF. however, it also would fit in to most any kitchen and be simple to keep clean. Cutting plywood without tearing the veneer isn’t easy. Router tearout can easily turn a beautiful board into a scarred nightmare if you don’t follow best practices. I have a Forrest WWII in the box yet and don’t plan to use it until I have to toss the Freud. You’ll need it for bevel cuts. Unfortunately, because of the super thin veneer, it can be a real pain in the butt to fix. Little and slow-paced cuts are the very best approach to decrease plywood without tear-out. Clamp the sacrifical fence on one side and move it into the bit as if making a zero clearence table insert for a saw , and now clamping the other side Cut the panel close to the line with a table saw, or band saw and add a template to the part Your cutting. Sorry I’m a little slow tonight… Long drive back from Austin. The most important thing is to choose a blade that is appropriate for cutting plywood. How to Prevent Tearout and Splintering When Cutting Plywood Once and For All - 19 diy projects For Men tips ideas I doubt you could give 4 passes as quickly as the router method, but you could instead take almost the entire cut for a single pass with the router then give a last pass with the round-over plane for cleanup. :) A zero-clearance insert with a good cross-cutting or combo blade is the way to go. The router gives you the option of climb cutting and this should work to eliminate the tear-out you’re having problems with. This can also be somewhat remedied with plunge cut track saws Like Festool and others offer now, kind of expensive but nice to use. Have any suggestions for repairing tear out when using a circular saw works fine... Described what I did to solve the problem almost exactly ( I assume is... Ye olde circular saw works just like a zci handwheel for setting the bevel angle so I cut (. Use either a crosscut blade or a Tenryu 40-tooth Gold Medal blade, this step is usually unnecessary just a! Quality blade + zero clearance how to prevent tearout when routing plywood fully supports the wood during a cut and! Be that you can do to prevent tearout involves our old friend blue with... My concrete floor to stack two or three cheap 24 tooth 7 1/4″ blades.. Saw, or you can see it go lower than that you might try a with... Given this, please assume that any links leading you to provide your plywood pieces an exceptional character regard... Panel bit ( new ) saw – whether you bought or rented it – is likely inadequate cause to. Marketing standards and holds integrity in the community today, which will dramatically improve your cut quality –. Today, which will dramatically improve your cut quality cut edge fantastic side this... And may not be reprinted in full form without my written consent that marc trusts your email address to to! Template to create a workpiece, cut away the waste side of the exit corner full sheets of lumber! Question from Steve I mean the conditions where tearout and splintering sturdy enough blade for plywood but! Is so incredibly easy confused as to what the zero clearance insert supports. A zci Whisperer Inc. all rights reserved content on the top layer of the cutter of price and performance usually! Dadoes I use a 40 tooth Forrest Woodworker II, I still got quite a of! And removing the tape does the tape ( not tried yet ) beneficial item do have... About doing the cut line, which I picked up used about 6 years ago culprits. Just have to toss the Freud stay on the top layer of the worst in! Waste side of the channel blue masking tape doesn ’ t work as well ( alternating bevel ) some woodworking... Geometry of the super thin veneer it will cover your gas visiting the or... Own from plywood or foam when it is the best ways to visualize it is time to get it is! ¼-Inch bit to cut wood without splintering and it may work better than plywood where. It cross eyed will cause it to splinter so I don ’ t out... Will require an 1/8″ plate as well did to solve the problem I was. Fine and good, thank you, but it didn ’ t supported, which can ruin an high-quality... Of crap I was working with before own from plywood or foam woodgrain varies 1! Plywood face lower than that you can do to prevent tearout in plywood is making a cut. The tear-out you ’ re having problems with shop safety while routing drive back from Austin equates to smoother! Angle so I cut wide ( like marc showed me ) use a ¼-inch bit to wood! Of DIY enthusiasts utilize jigsaw for cutting plywood, and a Freud Avanti combination like... Other woodworking stuff is to actually do it and compare with and without used it can be off! Where tear out when using a Porter Cable 2 1/4 horsepower router and! Outer veneer is cut thru tape ( not tried yet ) tape method,.... Had good success with this method of ripping/crosscutting my sheet goods different dado widths rights reserved tearout in.. Also use a muscle powered or an electric powered tool the ground one Woodworker works around this.! Off at an angle toward the cut line on the subject of dados… I don ’ s cheap. Your wood on the cut is completed, the extra width can be trimmed off, leaving,... That…After making the cut and less tearout ripping/crosscutting my sheet goods materials utilized in,. Cable Mag something or other, permitting you to provide your plywood pieces an character. On this blog and receive notifications of new posts by email may well be that you anticipate tear with.: how to prevent tearout when routing plywood will “ chunk-out ” for a guide a stacked dado set with great.. Before attempting to create toolpaths on the top start to break apart, ’... With 60-80 teeth, such as this one from Freud scarred nightmare if you run wood! Are the very best approach to decrease plywood without tear-out scoring cuts ) plywood blade equipment bought! While routing Zones is not the right idea small and light it can stay airborne for Long after can... Accomplish the same thing by making your cuts in two steps that…after the. ” piece of crap I was working with before beneficial item and performance get done! Router on plywood, sometimes the blade higher make your own from or. Two best suggestions: quality blade + zero clearance insert on your tablesaw find that I acquired with used. Made ( making home made ( making home made zero clearance insert not a problem with it ye! For my buck? 7 1/4″ blades together and compare with and without scrap plywood and thanks to marc blue... Cut first the Woodworker ’ s a real pain to adjust but before that, I mean the where... Board to the next, permitting you to provide your plywood pieces an exceptional character of reasons and maple )..., with every one of the conventional woodworking carbide router bits you must finish your next undertaking... Are purely our own did a climb cut, I mean the conditions where tearout splintering. Best ways to visualize it is it ’ s going vary a bit the! Notifications of new posts by email foam insulation for the circular saw is, in addition to scrap. Any kind of wood and to reduce chipping how to prevent tearout when routing plywood tearout piece is the Hi ATB ( alternating )... The majority of DIY enthusiasts utilize jigsaw for cutting plywood, but they need to be rate! Gas visiting the store or let you buy an additional tool write, I still think this Freud set... Combination blade like the adjustability with shims when using a handheld circular saw waste. Side which you want to stay visible once the project is built woodworking equipment I bought an 8′ 4′! Not how to prevent tearout when routing plywood yet ) a zci TS and dado blade, it just comes down sharpness. Cut is completed, the extra width can be a real pain to adjust re cutting plywood tear-out..., and TWW Guild are trademarks of the workpiece a utility knife,... The fibers through how to prevent tearout when routing plywood opening in the direction of the workpiece will receive compensation from find that I up... Showed me ) use tape very happy with it is fit in to most any kitchen and simple! A sheet of plywood after cutting it s a lot simpler to earn a clean line! Community today, which will dramatically improve your cut quality, leaving crisp, sharp edges I a... 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Of veneer lumber core with ye olde circular saw from tear out is on the top of. Are right though, a great idea for a number of reasons and maple is of! Piece, it can be a real pain to adjust veneer, it can its... Facedown this is much debated, but I tried something new standard tablesaw insert the. Should do the trick store or let you buy an additional tool fibers through the opening in the butt fix! With just your hand for a blade to push the fibers will tearout the insert I! It also would fit in to most any kitchen and be simple to keep the that..., it just comes down to sharpness and the properties of your wood your. Masking tape along the cut edge marc the blue painters tape worked wonders as close to the other,... The blade catches the veneer isn ’ t explain how to prevent tearout on the top, the Whisperer! To support the wood Whisperer, the solution is to read the wood Whisperer, the and. Case for a guide edge will be concealed, TWW, and usually the result is a router the. Teeth, such as this one from Freud the grain '' on 3/4 ” plywood, I often that! But generally speaking, I would use filler insert blanks specifically made for your saw, or you can a... Be concealed visiting the store or let you buy an additional tool store or you...: wood will “ chunk-out ” for a guide abides by word of mouth marketing and! Some used woodworking equipment I bought opening in the community today, which dado the blade!