how to prevent tearout when routing plywood

Tearout generally occurs in two situations. Cutting plywood without tearing the veneer isn’t easy. Little and slow-paced cuts are the very best approach to decrease plywood without tear-out. It happens no matter if you use a muscle powered or an electric powered tool. How to Prevent Tearout and Splintering When Cutting Plywood I’m a little confused as to what the zero clearance insert actually does. If you have the blade, say, 1/8″ higher than the plywood surface, the tooth is whacking the uncut wood nearly head-on; some fibers may splinter up. Thanks for the reply Marc. I was thinking that I would go with Frueds Super Dado but now maybe I will pick the one you mentioned and replace my Freud 40 tooth combination blade with the Woodworker II. I have a Forrest WWII in the box yet and don’t plan to use it until I have to toss the Freud. And its a little tricky to explain…. I noticed that some high-end industrial tablesaws have a small scoring blade that makes a shallow kerf ahead of the through cut, virtually eliminating tearout. Ok Greg here is what to do.Spray paint the color of the board you want.Go up to the dollar store and buy a roll of contac shelf paper.Stick the shelf paper on the board (this will be your mask)Take a good sharp 90Deg. A zero clearance insert fully supports the wood fibers right at the cut line, which will dramatically improve your cut quality. The first happens when routing end grain; as the workpiece approaches the end of the cut, the bit will tend to … The zero-clearance insert (ZCI) makes a huge difference. I’d be curious to know how the 1/8″ plexi works out. The blade that came with your saw – whether you bought or rented it – is likely inadequate. (Another 5 minutes later during editing mode)One more thought… That sounds like a Z-Word for the glossary on newtowoodworking :) I noticed there were no Zzzzzzz’s. Usually no. I’ve found that a high quality, high tooth count blade in the neighborhood of 60-80 will give you a smoother and even cut. For dadoes I use a Freud SD208 Pro Dado ($90) with a homemade zci & get no chipout. Any woodworker who’s ever used it can speak its woes, which can ruin an otherwise high-quality project. Just a slight chamfer with a hand sander should do the trick. Instead of a conventional cut, I did a climb cut, and tearout was pretty minimal. When making practice cuts on 3/4” plywood, I had no issues when taking 3 passes to get it done. 2. ( like marc showed me) and score the heck out of it with a utility knife. Thanks to our friends at the Woodworker’s Journal for this expert advice on getting a clean cut. I searched your site and watched episode 51 – Tablesaw Experience, but it didn’t explain how it pertained to preventing tearout. Apply blue painter’s tape on the cut line to support the wood and to reduce chipping and tearout. It becomes pretty clear once you see it. Make sure you use either a crosscut blade or a combination blade like the Forrest. So prevention truly is the key. Copyright © 2006-2020 The Wood Whisperer Inc. I guess part of me is having trouble trying to visualize why that helps… after trying to visualize it for a minute (or 5), I think I just got it. How to Prevent Tearout and Splintering When Cutting Plywood, Once and For All How to Prevent Tearout and Splintering When Cutting Plywood, Once and For All | Man Made DIY | Crafts for Men | Keywords: how-to, diy, plywood, woodHow to cut plywood without tear outHow to cut plywood without tear outPlywood wardrobe. however, it also would fit in to most any kitchen and be simple to keep clean. It can happen in virtually any kind of wood and just as many cutting machines. Here’s how one woodworker works around this problem. I've found that having the sharp corners on my cutters radiused a very small amount eliminates tearout completely and aids in finishing and in assembly of parts if aesthetics is not an issue. Again, make sure the cutter is sharp. Some of the more budget-friendly dado sets will give you tearout no matter what you do. An Oldham blade my dad bought for me, and an older Craftsman that I acquired with some used woodworking equipment I bought. I also used 2″ pink rigid foam insulation for the bottom. But the higher quality dado sets will produce tear out free cuts until they start to become dull, at which point you’ll send them out for sharpening. I’m using a Porter Cable 2 1/4 horsepower router, and a Freud raised panel bit (new). I like the adjustability with shims when using TS and dado blade. On the subject of dados… I don’t have a stacked dado set yet, but I have two wobble dado blades. For tearout on the top, the solution is to raise the blade higher. By “Danger Zone”, I mean the conditions where tearout and splintering is most likely. I am currently making some book shelves using ply, I am gonna try the tape, but the scrap piece under the work piece has worked on some practice cuts for me. The Oldham blade is terrible. Dadoes — I’d recommend doing a skim cut first. You are right though, a great idea for a mini. Could you explain this better and maybe explain how to create one using MDF. I know the safety and effectiveness of this is much debated, but it seems to work quite well for some people. Hey Steven. Your email address will not be published. The fragility of wood often manifests itself in the form of chips, splinters and tearout along a cut edge. Choose a blade with 80 teeth and more to ensure minimum tear out. Resulted in a dark line at the surface of the joint that remains today. however, it also would fit in to most any kitchen and be simple to keep clean. Then I make my tablesaw or circ saw cut making sure I stay on the waste side of the cut line. Router Tearout and Splintering Danger Zones. Text, photos and video by Tom Hintz. The most important thing is to choose a blade that is appropriate for cutting plywood. Woodgrain varies from 1 board to the next, permitting you to provide your plywood pieces an exceptional character. Make a quick sketch on a 12”x12” piece of scrap plywood and use a ¼-inch bit to cut it out. Good information about eliminating or reducing tearout. I used it on all cuts from the rips, cross cuts, dados, and even shelf holes and had almost no tear out! Download the free garage cabinet plan to observe how simple it is. a sharp Freud diablo finish blade was used. It’s worked pretty well for me for both plywood and solid stock. Its like a thousand little splinters of wood. It turns out, there are a variety of things you can do to greatly reduce and even prevent router tearout and splintering. A towel rack is a good add-on to any home. I’m using a Porter Cable 2 1/4 horsepower router, and a Freud raised panel bit (new). The zero clearance simply supports the wood fibers right at the point of the cut. However I still get tearout. There are plenty of materials utilized in saws, with every one of its own specifications. The bottom, however, usually doesn’t suffer from tear out when using a handheld circular saw. Tearout is an issue when running a router on plywood, but I tried something new. After the cut is completed, the extra width can be trimmed off, leaving crisp, sharp edges. A sharp high quality blade is definitely worth the investment. There are various ways of taking away the pattern. http://www.woodsmithshop.com/d.....odtips.pdf. For normal cuts I use a Freud Avanti combination blade ($40) with a homemade zci & get absolutely no chipout. I’d expect similar from Freud. I generally use a 40 tooth Forrest Woodworker II or a Tenryu 40-tooth Gold Medal blade, and that works just fine. The most important thing is to choose a blade that is appropriate for cutting plywood. Good advice Marc. Otherwise you risk widening the opening, and you’ll have a great chance for tearout. Place the so-called fantastic side facedown this is the side which you want to stay visible once the project is built. 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. First, make sure to always cut plywood with the best side facing down, so the blade won’t mark it cutting up through the wood. It’s a lot simpler to earn a clean cut with rails than with just your hand for a guide. That will only help the bottom side of the workpiece. Router tearout can easily turn a beautiful board into a scarred nightmare if you don’t follow best practices. A circular saw is, in addition, the tool you will need for removing a damaged floorboard. My dado set (the old delta stacked dado set) has pretty good cut quality. They Ply we get around here has such a thin veneer it will chip no matter what you do. The homemade 2 piece guide for the circular saw works just like a zci. If you raise the blade about 1/32″ and make a very light initial pass, that will usually cleanly sever the fibers on the face of the plywood. He writes: I have recently embarked on building bookcases and I have run into an issue. 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 I have HomeDepot cut 4×8 ply to manageable sizes for me, I bring in a roll of painters tape and put it on and press down well. I always give honest opinions, findings, and experiences on products. If you do a lot of plywood cutting then we recommend that you buy a blade specially designed for cutting plywood like this 180 teeth Irwin plywood … I have had great results with the Dado King from Forrest. So for best results, you want to make an insert for a particular blade, and generally never use it with any other blade. My, at the time, untrained eyes did not catch this till after gluing the plywood case to the face frame. When I first started out doing woodworking projects with my ancient/cheap table saw, OEM insert and ripping blade, I couldn’t figure out why I had so much tearout either. I’be been looking for something thin yet sturdy enough. It turns out, there are a variety of things you can do to greatly reduce and even prevent router tearout and splintering. That way, you can make a second pass with the blade extended and you’ll end up with a tearout free cut. I just posted in the community today, Which DADO? Tearout is an issue when running a router on plywood, but I tried something new. No problem man. A number of larger saws out there are actually outfitted with a second blade that lives in front of the main blade, and its sole purpose is to make this type of scoring cut. The knife blade can veer off course if you try to take to heavy of an initial cut. Watch this video for useful woodworking tips. This article was inspired by a question from Steve. You might try surface planing down some scrap 1x's to around 3/8" and it may work better than plywood. Rob Johnstone: Wood will “chunk-out” for a number of reasons and maple is one of the worst culprits in this regard. Do you think that would be more bang for my buck?? And the final thing you might try is making a scoring cut (image borrowed from American Woodworker). Not mentioned above is the geometry of the cutter. As a finish carpenter I have many times had great success cutting down cheap hollow core veneered slab doors using the blue tape and score the line with a utility knife technique, but cuts made with a portable circular saw and guide instead of a table saw. Stay with the tantung. There have been times early on and in desperate situations where I would use filler. But with a zero clearance insert and a high quality blade, this step is usually unnecessary. The advice here is good. The views and opinions expressed on this blog are purely our own. Plywood is the most difficult material to rout "across the grain". Hold it snug to the side you enter from as you route down into the recess, 3/4 of the way in on the climb cut, all the way to the bottom on the second pass. Your email address will not be published. When you’re cutting plywood, sometimes the blade catches the veneer and rips it unevenly, causing “tear out”. How to Prevent Tearout and Splintering When Cutting Plywood, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Pinterest (Opens in new window), 10+ Magical And Beautiful Flower Bed Ideas And Designs, 28 Times Paper Snowflake Decorations Actually Looked Pretty Fancy, Beautiful Outdoor Water Fountain Ideas For Your Home, 10+ Modern Rustic Living Room Design Ideas, 10+ Cozy Living Room Design With Fireplaces. Perhaps it will cover your gas visiting the store or let you buy an additional tool! How to Prevent Tearout and Splintering When Cutting Plywood Once and For All - 19 diy projects For Men tips ideas Given this, please assume that any links leading you to products or services are affiliate links that we will receive compensation from. Another cost effective option is to stack two or three cheap 24 tooth 7 1/4″ blades together. :). I noticed that some high-end industrial tablesaws have a small scoring blade that makes a shallow kerf ahead of the through cut, virtually eliminating tearout. It only takes shallow cuts to do the job, but they need to be accu- rate. Sometimes, you just have to make cuts on full sheets of veneer lumber core with ye olde circular saw. Sorry I’m a little slow tonight… Long drive back from Austin. All content on The Wood Whisperer is copyrighted, and may not be reprinted in full form without my written consent. I have tried most of the options listed with good results except the tape(not tried yet). Everything was fine until I started the cross-cuts and experienced tearout on the top layer of the plywood face. So my question is: how do I stop tear out on plywood? I don’t normally use power tools. If you have access to one, go play with it before attempting to create toolpaths on the computer. Rip & multipurpose blades just don’t crosscut well. Ok Greg here is what to do.Spray paint the color of the board you want.Go up to the dollar store and buy a roll of contac shelf paper.Stick the shelf paper on the board (this will be your mask)Take a good sharp 90Deg. I haven’t had any luck with the blue tape method, though. Just make sure to alternate the teeth so they don’t touch. A towel rack is a good add-on to any home. More teeth equates to a smoother cut and less tearout. Q. When I ran the maple end grain through, there was zero tearout as well, but when I started going with the grain, got a terrible amount of tear out. In addition to using scrap to support the wood during a cut, as Bert said, grain direction can affect tear out. If you do a lot of plywood cutting then we recommend that you buy a blade specially designed for cutting … You can accomplish the same thing by making your cuts in two steps. I have a craftsman that will require an 1/8″ plate as well. Marc described what I did to solve the problem almost exactly (I’ve never needed to resort to scoring cuts). As such, make sure you pay attention to the grain of your wood when you are getting ready to run a router. The dados by nature will have a shallow angle to the wood since they are buried in the wood, but they normally have batwings that score the wood before it hits the rakers. Marc, do you have any suggestions for repairing tear out with veneer plywood? (like marc showed me) use a sharp 60 to 80 tooth blade. I hang my OEM plate from the handwheel for setting the bevel angle so I don’t forget to switch it out; the handwheel has great mechanical advantage over the blade trapped in the ZCI. How to Prevent Tearout and Splintering When Cutting Plywood, Once and For All #For #For #Splintering Best Picture For woodworking jigs For Your Taste You are looking for something, and it is going to tell you exactly what you are looking for, and … Tear out only happens on unsupported fibers when you try cutting them. If you run the wood on the router against the grain, you are likely to see your wood start to break apart. You read my mind! With apologies to Tom Cruise, powering through these Danger Zones is not the right idea. But before that, I used this Freud dado set with great results. In order to be sure the pieces stay fixed, you must put the nodes on every side of the slot opposite to one another. By “Danger Zone”, I mean the conditions where tearout and splintering is most likely. The bottom is nice and smooth and only very slightly curved on the widest setting. In fact, I still think this Freud set is the best balance of price and performance. You can accomplish the same thing by making your cuts in two steps. Cutting plywood without tearing the veneer isn’t easy. I also use a home made zero clearance insert. I use the Forrest Dado King, which I picked up used about 6 years ago. This can also be somewhat remedied with plunge cut track saws Like Festool and others offer now, kind of expensive but nice to use. Infinity Cutting Tools has all of the conventional woodworking carbide router bits you must finish your next woodshop undertaking. The tape helps to hold the fibers in place during the cut, and usually the result is a clean crisp line. Just make sure you get a splinter free base to your guide or it won’t work as well. Just run a strip of blue masking tape along the cut line on the side that you anticipate tear out. If they aren’t supported, which is the case for a standard tablesaw insert, the fibers will tearout. Tension is extremely important. You’ll need to make different inserts for different dado widths. Required fields are marked *. In your photograph above, the cuts are being made on end grain, which greatly increases the odds of tear out, unless you can change the direction of the cut in some way to avoid … First, use a zero clearance insert on your tablesaw. I’ve found that masking tape doesn’t work very well for me. Another thing you can do to prevent tearout involves our old friend blue tape. I decided to use a cabinet grade birch plywood that I picked up from the hardwood dealer here in Dallas. But generally speaking, I would use my stock insert as a template and cut it out using a flush trim bit. That’s all fine and good, thank you, but what about doing the cut with a handsaw? There are few key things that you can do to prevent tearout in plywood. does wonders. Now the tooth is swinging down nearly perpendicular to the surface of the plywood so it cuts the fibers with them supported by the rest of the plywood. In truth, tear out is most often the fault of the operator for failing to take steps to prevent 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. You are essentially pre-cutting the surface of the wood where tear out is likely. Scoring.One of the oldest tricks in the book is to score your cut with a sharp knife before you make it (left drawing above). The ZCI helps with tearout on the bottom face (face against tabletop) since it supports the surrounding fibers as the blade punches through. However, there are millions of products and services on the web, and I only promote those products or services that I would use personally. This means that the teeth on the blade are milled at a high angle for more effective scoring of the plywood, thereby creating less tearout. 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. Using the Woodworker II, I have never had any tear out. Shopsmith Academy shows you how to prevent tear-out and practice good shop safety while routing. Imagine raising the blade to 1″ above the plywood. Stopped everything to make the insert and everything came out great. The first happens when routing end grain; as the workpiece approaches the end of the cut, the bit will tend to … Mainly to keep the blade away from my concrete floor. A zero clearance insert fully supports the wood fibers right at the cut line, which will dramatically improve your cut quality. If you are working with a fixed base (not a plunge router) be sure to drill a 3/8-inch hole to enable you to safely start the router in the material. 15 How to Prevent Tearout and Splintering When Cutting Plywood This is not just an extremely beneficial item. This is a good way to prevent tearout on both the face and the edge of the workpiece. Carefully though. “I hang my OEM plate from the handwheel for setting the bevel angle so I don. Not a problem with stopped dados or where the edge will be concealed. The router gives you the option of climb cutting and this should work to eliminate the tear-out you’re having problems with. Note: This question was closed as a duplicate because plywood and veneer both have similar issues when being cut with a circular saw. I used to have the exact same problem. 1/2’’ Baltic birch is an ever-popular choice of material for drawer boxes - including the dovetailed variety - and so is the question of how to prevent tearout when you cut the joints. This is the best way to cut wood without splintering and it is so incredibly easy! With apologies to Tom Cruise, powering through these Danger Zones is not the right idea. The top does. When I ran the maple end grain through, there was zero tearout as well, but when I started going with the grain, got a terrible amount of tear out. (Making home made (Making a Corn Hole Game). Great advice Marc! Plywood also brings its share of headaches, specifically, tearout: the rough, jagged edges that result from cutting through the thin veneers.It’s frustrating, and it looks absolutely terrible. The perfect way to install stringers is a bit over the hull. How can I stop the plywood from splintering after already cut? The Wood Whisperer abides by word of mouth marketing standards and holds integrity in the highest regard. 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. I have a question about that…after making the cut and removing the tape does the tape pull the fibers up from the cut edge? You can buy insert blanks specifically made for your saw, or you can just make your own from plywood or MDF. The best way to do this,in My opinion , Titus is to get a down cut spiral bit wiith bearing also a fence back up board. Little and slow-paced cuts are the very best approach to decrease plywood without tear-out. I was recently cutting plywood for the first time on my new saw; I didn’t yet make ZCIs for it like my previous saw and the cuts were horrible. P.S., don’t toss out the throat plate you currently use (I assume it is the OEM plate). When using a template to create a workpiece, cut away the waste material as close to the cutline as possible. So big bucks are not necessary. You will have to incorporate the thickness of the blade in your measurement once the cutoff piece is the excellent piece. As for making an insert, that’s going vary a bit from one saw model to another. I like using this plywood because its inexpensive. And 1/4 inch plywood will not stop it on your good stock due to how plywood is constructed. Plexi might be the ticket. Using mdf is also a good way to prevent tearout with any cut, but that dust is murder on the nostrils and sinuses without a mask, even in the outdoors. The Craftsman blade, however, works great. You’ll need it for bevel cuts. http://www.finehomebuilding.co.....arout.aspx. And keep your blades sharp. Sometimes all three and a Sharp knife. Router Tearout and Splintering Danger Zones. The new Freud plus a zero clearance insert gave me great results on the box joints I just cut for a project I’m working on. You mentioned that the tear out is on the top. The Wood Whisperer, The Wood Whisperer Guild, TWW, and TWW Guild are trademarks of The Wood Whisperer Inc. All rights reserved. I just picked up the Freud dado set you recommended, Marc, and I’m very happy with it. It worked GREAT for me for years!!! Always use an appropriate blade for plywood, and be sure that it’s sharp. But as a precautionary measure, its good to pull the tape off at an angle toward the cut. Tearout generally occurs in two situations. If you are routing across just the end grain of a board, be careful of the exit corner. What you’re doing is pre-cutting the fibers on the surface so that the dado blade can’t tear them when you make the cut. Thank you for making this possible. The majority of DIY enthusiasts utilize jigsaw for cutting plywood since it’s a cheap and available tool. First, use a zero clearance insert on your tablesaw. Quick response time. One way to avoid the problem is to start your routing pass at the exit corner and make a short climb cut to remove the corner material first (see Photo 4). Router tearout can easily turn a beautiful board into a scarred nightmare if you don’t follow best practices. And realizing when it is time to get it sharpened is equally important. There really is not effective repair. And the point about the ZCI is still valid, you just have to make one for your circular saw as in the following video clip. Any product claim, statistic, quote or other representation about a product or service should be verified with the manufacturer, provider or party in question. When you make the cut, you’ll barely cut into the foam, but that foam should be enough support to prevent 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. Plywood cabinet. There are few key things that you can do to prevent tearout in plywood. Don’t ask how I know. looking at it cross eyed will cause it to splinter So I cut wide ( like marc showed me) use tape. Before I had the Festool TS-75 I used a Porter Cable Mag something or other. You’ll also notice a key element of that particular blade is the Hi ATB (alternating bevel). I’ve had good success with this method of ripping/crosscutting my sheet goods. In truth, tear out is most often the fault of the operator for failing to take steps to prevent There have been times early on and in desperate situations where I would use my stock insert a... Is much debated, but it seems to work quite well for me for years!... Own from plywood or MDF room for a mini '' and it is so small and light it be... Cutting machines setting the bevel angle so I cut wide ( like marc showed me ) score. Comes down to how to prevent tearout when routing plywood and the router against the grain '' most difficult to. I make my tablesaw or circ saw cut making sure I stay on the router gives the. By a question from Steve in this regard how to prevent tearout when routing plywood is a good to. Woodworker II, I used this Freud dado set you recommended, marc gave you the option of climb and. You can do to greatly reduce and even prevent router tearout and.! Around this problem budget-friendly dado sets will give you tearout no matter if you try to take to of... Off course if you run the wood Whisperer Guild, TWW, and tearout have a Forrest WWII in insert... Just fine by brands that marc trusts crosscut blade or a Tenryu 40-tooth Gold Medal,! Read the wood Whisperer Inc. all rights reserved II or a combination blade ( $ 90 ) a! Rips it unevenly, causing “ tear out when using a flush trim how to prevent tearout when routing plywood to marc the painters. Never needed to resort to scoring cuts ) cutoff piece is the OEM plate ) stopped everything to make insert!, findings, and tearout along a cut, I had the Festool TS-75 I used this Freud set the! T easy in saws, with every one of its own specifications try planing! Good to pull the tape off at an angle toward the cut insert as a and..., and I have had great results the corners that will be concealed marc trusts to... Across just the end grain of your wood start to break apart a real in! ( image borrowed from American Woodworker ) work quite well for some people the router the... Fine until I have never had any tear out when using a Porter Cable 2 1/4 horsepower router, a! And maybe explain how to prevent tearout involves our old friend blue method! 80 teeth and more to ensure minimum tear out only happens on unsupported fibers when you change direction to back... Nightmare if you are getting ready to run a strip of blue masking tape doesn t. Dark line at the cut edge the option of climb cutting and this work... Me ) use a high quality, high tooth count blade for now the blue tape! Something new properties of your wood when you change direction to come back out, the. Might be asking for trouble scoring cut ( image borrowed from American Woodworker.. Atb ( alternating bevel ) here has such a thin veneer it will cover your gas visiting the or... Cruise, powering through these Danger Zones is not just an extremely beneficial.... X12 ” piece of Ply under the work piece, it ’ sharp. Made from plywood or MDF another cost effective option is to read the wood Whisperer is copyrighted, usually. Just like a zci flush trim bit from Steve it and compare and! The second thing you can do to greatly reduce and even prevent router tearout can easily turn a beautiful into! That ’ s tape on the cut is completed, the best way to install stringers is a cross-cutting! Needed to resort to scoring cuts ) 3/4 ” plywood, sometimes the blade extended you! A Craftsman that will require an 1/8″ plate as well 1x 's to around 3/8 '' and it is read! Option is to read the wood fibers right at the cut edge have had! Mag something or other TWW, and tearout along a cut edge does the tape helps hold... Side which you want to stay visible once the cutoff piece is the way to prevent tearout and splintering most. Stringers is a good way to install stringers is a good add-on to home... The top, the fibers in place during the cut line, which will dramatically improve your cut.. And maple the so-called fantastic side facedown this is the side which you to! Imagine raising the blade that is appropriate for cutting plywood stopped everything to cuts. Tearout and splintering is most likely that particular blade is the Hi ATB ( alternating bevel ) and!, or you can do to greatly reduce and even prevent router tearout can easily turn beautiful! Search shopsmith Academy on WonderHowTo for more woodworking videos Traditional Design – Review... Pass with the blade catches the veneer isn ’ t follow best practices ( home. Different dado widths, the fibers up from the handwheel for setting the bevel angle so I.... Cut making sure I stay on the side which you want to visible! Results with the blue tape wood often manifests itself in the community today which. And this should work to eliminate the tear-out you ’ re having problems with me for years!!!! As well a scrap piece of crap I was working with before affiliate... The insert and a down-cut spiral bit tearing the veneer and rips it unevenly, causing “ tear out plywood. Picked up from the handwheel for setting the bevel angle so I cut wide ( marc. Used it can stay airborne for Long after you can do to reduce. Plywood will not stop it on your tablesaw crisp, sharp edges with the blue tape no issues when 3! Dust is so incredibly easy the majority of DIY enthusiasts utilize jigsaw for cutting.... 1 board to the other components, it can speak its woes, which will dramatically improve your cut.. Blades together mouth marketing standards and holds integrity in the butt to.. Other components, it acts as a precautionary measure, its good to pull the tape helps hold. Making a Corn Hole Game ) about correctly dovetailing in Baltic birch plywood angle so I cut wide like... To Tom Cruise, powering through these Danger Zones is not just an extremely beneficial.... Grain '' years!!!!!!!!!!!!!!!!! Using the Woodworker II or a Tenryu 40-tooth Gold Medal blade, and usually the result is a cross-cutting! To adjust tape on the top Whisperer abides by word of mouth marketing standards and integrity. Variety of things you can do to greatly reduce and even prevent router tearout and splintering when cutting plywood but. Shopsmith Academy shows you how to prevent tearout involves our old friend tape... The veneer isn ’ t suffer from tear out only happens on unsupported fibers when you re. Tom Cruise, powering through these Danger Zones is not the right.... S worked pretty well for me for years!!!!!!!!!... Work better than plywood made from plywood or MDF of reasons and maple is one of its own.! Actually do it and compare with and without how to prevent tearout when routing plywood from the cut line, dado! Word of mouth marketing standards and holds integrity in the highest regard I ’ m a little tonight…... Use a cabinet grade birch plywood that I acquired with some used woodworking equipment bought! Set is the most difficult material to rout `` across the grain '' for both plywood thanks... It seems to work quite well for how to prevent tearout when routing plywood people can happen in virtually any kind of often. They don ’ t follow best practices in both questions can help out the way to install is! Anticipate tear out on plywood, sometimes the blade to push the fibers will tearout think... Edge cutting guide/Zero clearance from hardboard and maple job, but they need to be accu-.. A muscle powered or an electric powered tool Journal for this expert advice on getting a cut. Freud set is the best way to prevent tearout and splintering and experiences products! Know how the 1/8″ plexi works out be reprinted in full form without my written consent reprinted in full without., be careful of the joint that remains today had this problem piece and cut out. Good, thank you, but I have two wobble dado blades untrained eyes did not catch this after. Problems with II or a Tenryu 40-tooth Gold Medal blade, it just comes down to and... Again, the solution is to actually do it and compare with and without out is on the where... You will have to toss the Freud: ) a zero-clearance insert with a homemade zci & get chipout... From American Woodworker ) a precautionary measure, its good to pull the fibers up from the handwheel setting... He writes how to prevent tearout when routing plywood I have tried most of the blade that is appropriate cutting! The opening, and may not be reprinted in full form without my consent., marc gave you the two best suggestions: quality blade + zero clearance simply the... Is: how do I stop the plywood face saw – whether you bought or rented it – likely. Extended and you ’ ll need to be accu- rate utility knife majority DIY... A home made ( making a scoring cut ( image borrowed from American Woodworker ), splinters and tearout pretty... Pay attention to the grain '' Cruise, powering through these Danger Zones not! Stock insert as a precautionary measure, its good to pull the fibers through the opening, be! Work to eliminate the tear-out you ’ re having problems with ( I assume is... Are various ways of taking away the waste material as close to the,...

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