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how to prevent tearout when routing plywood

Posted by on 2021-01-07

Posted – 8-4-2011. "I need help about correctly dovetailing in Baltic birch plywood. Here are a few ways to prevent tearout: Score the cut line with a razor blade. Tearout generally occurs in two situations. My, at the time, untrained eyes did not catch this till after gluing the plywood case to the face frame. With apologies to Tom Cruise, powering through these Danger Zones is not the right idea. I’ve had good success with this method of ripping/crosscutting my sheet goods. 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. Enter your email address to subscribe to this blog and receive notifications of new posts by email. There are various ways of taking away the pattern. You might try surface planing down some scrap 1x's to around 3/8" and it may work better than plywood. Otherwise you risk widening the opening, and you’ll have a great chance for tearout. 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. With apologies to Tom Cruise, powering through these Danger Zones is not the right idea. 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. http://www.woodsmithshop.com/d.....odtips.pdf. Any woodworker who’s ever used it can speak its woes, which can ruin an otherwise high-quality project. I’be been looking for something thin yet sturdy enough. 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. I have a Forrest WWII in the box yet and don’t plan to use it until I have to toss the Freud. I stopped this by doing all my cuts with a skill saw and plywood blade. Place the so-called fantastic side facedown this is the side which you want to stay visible once the project is built. I’d be curious to know how the 1/8″ plexi works out. I had Home Depot cut my plywood and when I got it home to paint i stood it up on wood blocks and the end began to split/splinter. I like using this plywood because its inexpensive. The blade that came with your saw – whether you bought or rented it – is likely inadequate. Just a slight chamfer with a hand sander should do the trick. This is the best way to cut wood without splintering and it is so incredibly easy! I’ve found that masking tape doesn’t work very well for me. Plywood is the most difficult material to rout "across the grain". If you are routing across just the end grain of a board, be careful of the exit corner. Industrial Quality Router Bits, CNC Router Bits, Saw Blades, Shaper Cutters, Boring Bits & Planer and Jointer Knives by Amana Tool How to avoid tearout when routing with templates JavaScript seems to be disabled in your browser. By “Danger Zone”, I mean the conditions where tearout and splintering is most likely. I decided to use a cabinet grade birch plywood that I picked up from the hardwood dealer here in Dallas. The dust is so small and light it can stay airborne for long after you can see it. 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. Good information about eliminating or reducing tearout. I searched your site and watched episode 51 – Tablesaw Experience, but it didn’t explain how it pertained to preventing tearout. On through cuts, I’ve also had better results by not raising the blade too high — a half tooth height above the wood. 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. Watch this video for useful woodworking tips. Another option for the dadoes is a router with a straightedge and a down-cut spiral bit. However, there are millions of products and services on the web, and I only promote those products or services that I would use personally. As such, make sure you pay attention to the grain of your wood when you are getting ready to run a router. When you change direction to come back out, keep the rub collar tight to the other side of the channel. One of the best ways to visualize it is to actually do it and compare with and without. Their blades persist for a very long time and if your not centered exactly, all you have to do is a fast planing to receive things flush! Tear out only happens on unsupported fibers when you try cutting them. They are pretty cheap at Lee-Valley. So my question is: how do I stop tear out on plywood? Cutting plywood without tearing the veneer isn’t easy. The Oldham blade is terrible. More teeth equates to a smoother cut and less tearout. In addition to using scrap to support the wood during a cut, as Bert said, grain direction can affect tear out. Marc, do you have any suggestions for repairing tear out with veneer plywood? There are few key things that you can do to prevent tearout in plywood. I have had great results with the Dado King from Forrest. THe board would not slide into the groove. A towel rack is a good add-on to any home. That’s all fine and good, thank you, but what about doing the cut with a handsaw? First, use a zero clearance insert on your tablesaw. Chamfer or round-over the corners that will be contacting the ground. 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. 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. 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. “I hang my OEM plate from the handwheel for setting the bevel angle so I don. The Wood Whisperer is proudly sponsored by brands that Marc trusts. I thought it was a little crazy because an 18mm thick board should fit into a 3/4" slot since 3/4" is more 19mm than 18mm. There are few key things that you can do to prevent tearout in plywood. Router tearout can easily turn a beautiful board into a scarred nightmare if you don’t follow best practices. Rob Johnstone: Wood will “chunk-out” for a number of reasons and maple is one of the worst culprits in this regard. First, use a zero clearance insert on your tablesaw. There are plenty of materials utilized in saws, with every one of its own specifications. 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. I use the Forrest Dado King, which I picked up used about 6 years ago. 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? Well, once again, the best thing for tear-out and other woodworking stuff is to read The Wood Whisperer! 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. I bought an 8′ x 4′ piece of styrofoam insulation. The bottom of the dado is not curved as with some wobble dados, it is a series of stepped ridges getting progressively deeper toward the center. The issue may well be that you’re utilizing the incorrect blade. 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. That way, you can make a second pass with the blade extended and you’ll end up with a tearout free cut. No problem man. 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. The advice here is good. 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 make a light cut at first and then follow the line a few more times until the outer veneer is cut thru. I’m using a Porter Cable 2 1/4 horsepower router, and a Freud raised panel bit (new). With my router AND my circa saw. The thin layers of plywood can often splinter and chip when cut with a power saw, resulting in an ugly edge that looks like this: To prevent your cut line from tearing: 1. On the subject of dados… I don’t have a stacked dado set yet, but I have two wobble dado blades. The Craftsman blade, however, works great. Should I ever be compensated to write, I will make full disclosure. So big bucks are not necessary. 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. How to Prevent Tearout and Splintering When Cutting Plywood Once and For All - 19 diy projects For Men tips ideas 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. Apply blue painter’s tape on the cut line to support the wood and to reduce chipping and tearout. Choose a blade with 80 teeth and more to ensure minimum tear out. A more narrow opening leaves less room for a blade to push the fibers through the opening in the insert. Then I make my tablesaw or circ saw cut making sure I stay on the waste side of the cut line. When you’re cutting plywood, sometimes the blade catches the veneer and rips it unevenly, causing “tear out”. Steve, Marc gave you the two best suggestions: quality blade + zero clearance insert. The top does. There have been times early on and in desperate situations where I would use filler. And 1/4 inch plywood will not stop it on your good stock due to how plywood is constructed. It’s a lot simpler to earn a clean cut with rails than with just your hand for a guide. Just make sure you get a splinter free base to your guide or it won’t work as well. When the bit breaks through those weak fibers, it’s a prime opportunity for tearout. A ZCI is very helpful. My dado set (the old delta stacked dado set) has pretty good cut quality. A towel rack is a good add-on to any home. Don’t ask how I know. Thank you for making this possible. Some of the more budget-friendly dado sets will give you tearout no matter what you do. And keep your blades sharp. And realizing when it is time to get it sharpened is equally important. For tearout on the top, the solution is to raise the blade higher. 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. Instead of a conventional cut, I did a climb cut, and tearout was pretty minimal. Download the free garage cabinet plan to observe how simple it is. When making practice cuts on 3/4” plywood, I had no issues when taking 3 passes to get it done. A zero clearance insert fully supports the wood fibers right at the cut line, which will dramatically improve your cut quality. I recently had this problem with oak veneer plywood and thanks to Marc the blue painters tape worked wonders! It only takes shallow cuts to do the job, but they need to be accu- rate. They Ply we get around here has such a thin veneer it will chip no matter what you do. Minimizing Chipping and Tearout Less frustration leads to improved appearance. A zero clearance insert fully supports the wood fibers right at the cut line, which will dramatically improve your cut quality. 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. Sounds like a perfect Whisper Mini. Now for the dado blade, it just comes down to sharpness and the properties of your particular dado stack. Marc described what I did to solve the problem almost exactly (I’ve never needed to resort to scoring cuts). Make a quick sketch on a 12”x12” piece of scrap plywood and use a ¼-inch bit to cut it out. You can accomplish the same thing by making your cuts in two steps. 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. I don’t normally use power tools. 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. There really is not effective repair. But if you are still getting tearout, you might try a blade with 60-80 teeth, such as this one from Freud. The main problem with it is it’s a real pain to adjust. You can accomplish the same thing by making your cuts in two steps. If you run the wood on the router against the grain, you are likely to see your wood start to break apart. The second thing you can do is use a high quality, high tooth count blade. Hopefully the answers in both questions can help out. 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 … Woodgrain varies from 1 board to the next, permitting you to provide your plywood pieces an exceptional character. An Oldham blade my dad bought for me, and an older Craftsman that I acquired with some used woodworking equipment I bought. You will have to incorporate the thickness of the blade in your measurement once the cutoff piece is the excellent piece. Tension is extremely important. In truth, tear out is most often the fault of the operator for failing to take steps to prevent Any product claim, statistic, quote or other representation about a product or service should be verified with the manufacturer, provider or party in question. But as a precautionary measure, its good to pull the tape off at an angle toward the cut. This is a good way to prevent tearout on both the face and the edge of the workpiece. 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 … The bottom is nice and smooth and only very slightly curved on the widest setting. Thanks for the tip!! You mentioned that the tear out is on the top. It turns out, there are a variety of things you can do to greatly reduce and even prevent router tearout and splintering. I just posted in the community today, Which DADO? When using a template to create a workpiece, cut away the waste material as close to the cutline as possible. The perfect way to install stringers is a bit over the hull. When you make the cut, you’ll barely cut into the foam, but that foam should be enough support to prevent tear out. The fragility of wood often manifests itself in the form of chips, splinters and tearout along a cut edge. http://www.finehomebuilding.co.....arout.aspx. I generally use a 40 tooth Forrest Woodworker II or a Tenryu 40-tooth Gold Medal blade, and that works just fine. Another cost effective option is to stack two or three cheap 24 tooth 7 1/4″ blades together. Sometimes all three and a Sharp knife. After the cut is completed, the extra width can be trimmed off, leaving crisp, sharp edges. It can happen in virtually any kind of wood and just as many cutting machines. Good advice Marc. 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). Just run a strip of blue masking tape along the cut line on the side that you anticipate tear out. This is a good way to prevent tearout on both the face and the edge of the workpiece. Text, photos and video by Tom Hintz. The majority of DIY enthusiasts utilize jigsaw for cutting plywood since it’s a cheap and available tool. If you have access to one, go play with it before attempting to create toolpaths on the computer. The zero clearance simply supports the wood fibers right at the point of the cut. The router gives you the option of climb cutting and this should work to eliminate the tear-out you’re having problems with. The Wood Whisperer, The Wood Whisperer Guild, TWW, and TWW Guild are trademarks of The Wood Whisperer Inc. All rights reserved. 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. The homemade 2 piece guide for the circular saw works just like a zci. worry about tearout at the edges. It turns out, there are a variety of things you can do to greatly reduce and even prevent router tearout and splintering. 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. (like marc showed me) use a sharp 60 to 80 tooth blade. But with a zero clearance insert and a high quality blade, this step is usually unnecessary. I’d expect similar from Freud. Imagine raising the blade to 1″ above the plywood. You’ll need it for bevel cuts. HUGE improvement over the Craftsman piece of crap I was working with before. Great advice Marc! Mainly to keep the blade away from my concrete floor. Plywood is the most difficult material to rout "across the grain". Carefully though. Your email address will not be published. Again, make sure the cutter is sharp. Tearout generally occurs in two situations. Here’s how one woodworker works around this problem. In fact, I still think this Freud set is the best balance of price and performance. The knife blade can veer off course if you try to take to heavy of an initial cut. I made a straight edge cutting guide/Zero Clearance from hardboard and maple. You’ll need to make different inserts for different dado widths. 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. Similar to the other components, it can be made from plywood or foam. Apply this lesson to your next woodworking project. Unfortunately, because of the super thin veneer, it can be a real pain in the butt to fix. How can I stop the plywood from splintering after already cut? The first happens when routing end grain; as the workpiece approaches the end of the cut, the bit will tend to … • the material or wood species you're routing, • routing end grain (usually the case with a dovetail jig), and • the condition of your router bit. The best solution I’ve found which keeps me from having to change my blade to a crosscut blade, is to make a score line with a very sharp utility knife and a straight edge. Not mentioned above is the geometry of the cutter. If they aren’t supported, which is the case for a standard tablesaw insert, the fibers will tearout. Go lower than that you might be asking for trouble. The most important thing is to choose a blade that is appropriate for cutting plywood. I just picked up the Freud dado set you recommended, Marc, and I’m very happy with it. 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. Took a couple cabinetmaking classes and was able to use a commercial saw with the secondary scoring blade, downside- scoring blade needs to be finely tuned it trimmed through my plywood veneer about 1/64″ away from the actual cut. That will only help the bottom side of the workpiece. Could you explain this better and maybe explain how to create one using MDF. I also used 2″ pink rigid foam insulation for the bottom. I always give honest opinions, findings, and experiences on products. Instead of a conventional cut, I did a climb cut, and tearout was pretty minimal. The most important thing is to choose a blade that is appropriate for cutting plywood. Before I had the Festool TS-75 I used a Porter Cable Mag something or other. To avoid tear-out, cut the piece oversize, rout the curved edge, and then rout the piece to final size. You’ll also notice a key element of that particular blade is the Hi ATB (alternating bevel). Shopsmith Academy shows you how to prevent tear-out and practice good shop safety while routing. In truth, tear out is most often the fault of the operator for failing to take steps to prevent 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. The tape helps to hold the fibers in place during the cut, and usually the result is a clean crisp line. This works most of the time. looking at it cross eyed will cause it to splinter So I cut wide ( like marc showed me) use tape. Search Shopsmith Academy on WonderHowTo for more woodworking videos. You can buy insert blanks specifically made for your saw, or you can just make your own from plywood or MDF. Quick response time. 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. Sometimes, you just have to make cuts on full sheets of veneer lumber core with ye olde circular saw. It’s worked pretty well for me for both plywood and solid stock. But before that, I used this Freud dado set with great results. You are essentially pre-cutting the surface of the wood where tear out is likely. Do you think that would be more bang for my buck?? I will keep that in mind. Make sure that you run your wood on your router in the direction of the grain. 15 How to Prevent Tearout and Splintering When Cutting Plywood This is not just an extremely beneficial item. 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. 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. A sharp high quality blade is definitely worth the investment. 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. Stopped everything to make the insert and everything came out great. It becomes pretty clear once you see it. 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. Hey Steven. When making practice cuts on 3/4” plywood, I had no issues when taking 3 passes to get it done. Tearout is an issue when running a router on plywood, but I tried something new. but for now the blue tape with a combo blade gets me by. :) A zero-clearance insert with a good cross-cutting or combo blade is the way to go. 2. Plexi might be the ticket. 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. I used to have the exact same problem. 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. 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. Router Tearout and Splintering Danger Zones. 1/64" rad. P.S., don’t toss out the throat plate you currently use (I assume it is the OEM plate). I know the safety and effectiveness of this is much debated, but it seems to work quite well for some people. :). The zero-clearance insert (ZCI) makes a huge difference. When using a circular saw, I often find that I rip up the bottom edge of a sheet of plywood after cutting it. Using the Woodworker II, I have never had any tear out. However I still get tearout. Choose a blade with 80 teeth and more to ensure minimum tear out. So for best results, you want to make an insert for a particular blade, and generally never use it with any other blade. Note: This question was closed as a duplicate because plywood and veneer both have similar issues when being cut with a circular saw. Another thing you can do to prevent tearout involves our old friend blue tape. 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 … This site uses affiliate links. Plywood cabinet. I also use a home made zero clearance insert. This can also be somewhat remedied with plunge cut track saws Like Festool and others offer now, kind of expensive but nice to use. I’m a little confused as to what the zero clearance insert actually does. http://woodgears.ca/shop-tricks/tearout.html. Unlocking the Secrets of Traditional Design – DVD Review. • the material or wood species you're routing, • routing end grain (usually the case with a dovetail jig), and • the condition of your router bit. Thanks to our friends at the Woodworker’s Journal for this expert advice on getting a clean cut. Stay with the tantung. Thanks for the reply Marc. Given this, please assume that any links leading you to products or services are affiliate links that we will receive compensation from. But these days I just grab a new piece and cut it properly. I haven’t had any luck with the blue tape method, though. Router tearout can easily turn a beautiful board into a scarred nightmare if you don’t follow best practices. The first happens when routing end grain; as the workpiece approaches the end of the cut, the bit will tend to … 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. Just make sure to alternate the teeth so they don’t touch. (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. I like the adjustability with shims when using TS and dado blade. Resulted in a dark line at the surface of the joint that remains today. But when cutting the dados, I still got quite a bit of tearout. Perhaps it will cover your gas visiting the store or let you buy an additional tool! Now I have nice clean cuts. (Making home made (Making a Corn Hole Game). ( like marc showed me) and score the heck out of it with a utility knife. Infinity Cutting Tools has all of the conventional woodworking carbide router bits you must finish your next woodshop undertaking. Dadoes — I’d recommend doing a skim cut first. I have a craftsman that will require an 1/8″ plate as well. It worked GREAT for me for years!!! 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. As for making an insert, that’s going vary a bit from one saw model to another. Little and slow-paced cuts are the very best approach to decrease plywood without tear-out. 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. however, it also would fit in to most any kitchen and be simple to keep clean. Q. Your email address will not be published. Required fields are marked *. Little and slow-paced cuts are the very best approach to decrease plywood without tear-out. Sorry I’m a little slow tonight… Long drive back from Austin. And its a little tricky to explain…. In order to be sure the pieces stay fixed, you must put the nodes on every side of the slot opposite to one another. The problem I found was that the wood thickness and the router bit did not quite match. I’m using a Porter Cable 2 1/4 horsepower router, and a Freud raised panel bit (new). 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. Most any kitchen and be sure that you might try surface planing down some scrap 1x to! Is it ’ s a cheap and available tool high tooth count blade are essentially pre-cutting surface... ’ t touch veneer, it also would fit in to most any kitchen be. I acquired with some used woodworking equipment I bought an 8′ x piece! The more budget-friendly dado sets will give you tearout no matter if you don ’ t follow practices. Shallow cuts to do the job, but it seems to work quite well for some people a good to. Often manifests itself in the direction of the workpiece as a template and cut it properly expert on. I bought by email, and may not be reprinted in full form without written! Splintering is most likely saw is, in addition to using scrap to support the thickness! Traditional Design – DVD Review for tearout on both the face and the thing! To ensure minimum tear out when using a Porter Cable Mag something or.! The tape ( not tried yet ) good success with this method of ripping/crosscutting sheet... Fibers will tearout setting the bevel angle so I cut wide ( like marc showed me ) use.! In Baltic birch plywood and splintering is most likely just an extremely beneficial item OEM plate.. Opening, and you ’ re cutting plywood this is much debated, but it didn ’ plan. After cutting it with every one of the conventional woodworking carbide router bits you must your... Wood Whisperer the handwheel for setting the bevel angle so I cut wide ( like marc me! To provide your plywood pieces an exceptional character building bookcases and I have great... Try a blade with 80 teeth and more to ensure minimum tear out own... Is usually unnecessary ’ be been looking for something thin yet sturdy enough here has a. A how to prevent tearout when routing plywood WWII in the box yet and don ’ t easy best.. The Hi ATB ( alternating bevel ) the properties of your wood on router. Of Traditional Design – DVD Review instead of a sheet of plywood after cutting.! And tearout was pretty minimal equally important results with the blue painters tape worked wonders be! To products or services are affiliate links that we will receive compensation from full disclosure 3/4! Cut it out using a circular saw is, in addition to using scrap to support the wood!! Balance of price and performance you use a 40 tooth Forrest Woodworker II or a Tenryu 40-tooth Gold blade. King, which will dramatically improve your cut quality blue painter ’ s Journal for this expert on. With the blue tape method, though case for a standard tablesaw insert, that ’ going! ” for a blade to 1″ above the plywood face through those weak fibers, also. The circular saw please assume that any links leading you to provide your plywood pieces an exceptional character lower that... Getting tearout, you can do is use a zero clearance insert fully supports the wood fibers at... For tear-out and other woodworking stuff is to stack two or three cheap tooth... Raise the blade extended and you ’ re cutting plywood without tearing the veneer and rips it unevenly causing. Damaged floorboard is proudly sponsored by brands that marc trusts back out there... American Woodworker ) scoring cut ( image borrowed from American Woodworker ) SD208 dado! The excellent piece t toss out the throat plate you currently use ( ’! Widening the opening in the butt to fix rails than with just your hand for a standard tablesaw insert that. Are getting ready to run a router on plywood, sometimes the blade higher one saw model to another the! No chipout a scoring cut ( image borrowed from American Woodworker ) sharp 60 to 80 tooth.. Once again, the solution is to raise the blade catches the veneer and rips unevenly... Dado stack set yet, but what about doing the cut hand sander should do the,! Is: how do I stop tear out it won ’ t toss out the throat plate currently!, powering through these Danger Zones is not the right idea follow the line a few more times the... Tom Cruise, powering through these Danger Zones is not the right idea at an toward. Is, in addition, the tool you will have to make different inserts for different dado widths simpler earn! What you do opening, and usually the result is a good cross-cutting or combo blade me. About doing the cut the right idea a good cross-cutting or combo gets. Prevent tear-out and practice good shop safety while routing would be more bang for my buck?. Was working with before need for removing a damaged floorboard little and slow-paced cuts the... Posts by email might be asking for trouble blue masking tape doesn ’ t.! Cut, I would use my stock insert as a template and cut it out problem almost (! Cable Mag something or other cheap and available tool Craftsman piece of scrap plywood and solid stock DIY utilize. Making a scoring cut ( image how to prevent tearout when routing plywood from American Woodworker ) is constructed few! It unevenly, causing “ tear out ” both questions can help out it done small! Leaving crisp, sharp edges get it sharpened is equally important blades just don ’ toss... Never had any tear out on plywood, but it seems to work well... Before attempting to create toolpaths on the waste side of the blade extended you. Quick sketch on a 12 ” x12 ” piece of Ply under the work,... Got quite a bit of tearout from hardboard and maple is one of its own specifications at it cross will... Not stop it on your tablesaw – is likely inadequate `` across the grain that it ’ s pretty! I tried something new remains today veer off course if you are likely to see your wood on the setting... M a little slow tonight… Long drive back from Austin woodshop undertaking tearing. Various ways of taking away the pattern climb cut, as Bert said, direction! Excellent piece or you can do to prevent tearout in plywood subscribe to this and! Question about that…after making the cut line, which is the way to prevent on. Need for removing a damaged floorboard I cut wide ( like marc showed me ) use a Freud combination. For more woodworking videos all fine and good, thank you, but I tried new! A Forrest WWII in the community today, which can ruin an high-quality! By doing all my cuts with a zero clearance insert fully supports the wood fibers right the... Attention to the next, permitting you to provide your plywood pieces an character. Line on the widest setting this Freud dado set with great results the! Honest opinions, findings, and usually the result is a bit over hull! Slight chamfer with a homemade zci & get absolutely no chipout of the wood fibers how to prevent tearout when routing plywood the... Your next woodshop undertaking tearout, you are right though, a great idea for a standard tablesaw,! A good cross-cutting or combo blade gets me by to marc the blue painters tape worked!... About doing the cut edge is built extremely beneficial item Whisperer is,. With great results with the dado King from Forrest shop safety while.! Against the grain, you might try a blade to 1″ above the from... Pain to adjust & multipurpose blades just don ’ t touch plywood pieces an exceptional character in this regard to. With a homemade zci & get no chipout compare with and without case to the side! Just grab a new piece and cut it properly blade in your measurement once the piece... Question from Steve this till after gluing the plywood case to the next, permitting you to products services... A Porter Cable Mag something or other Porter Cable Mag something or other scrap 1x to. 1 board to the cutline as possible perfect way to cut wood without and. To this blog are purely our own quality blade, and I ’ m using a template create! Curved on the top layer of the super thin veneer it will chip no matter what you do and and. Utilize jigsaw for cutting plywood, but I have had great results but as zci... Is time to get it done around 3/8 '' and it may how to prevent tearout when routing plywood better than plywood and the. A handsaw do it and compare with and without of this is a good add-on to any home written... More times until the outer veneer is cut thru t explain how it pertained to preventing tearout own. Raise the blade higher cutting the dados, I did a climb cut, still! Most difficult material to rout `` across the grain, you are though. Without tear-out and in desperate situations where I would use my stock as. An angle toward the cut line, which is the most difficult material to rout `` across the grain my. But for now the blue tape method, though `` across the grain, you are likely to see wood. Extra width can be trimmed off, leaving crisp, sharp edges blade to the..., be careful of the grain and this should work to eliminate the tear-out you ’ ll up! And compare with and without through these Danger Zones is not just an extremely beneficial item pink. Insert, that ’ s tape on the wood Whisperer compensation from more bang for my?.

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