Second, the shoulders of the dovetailed piece hide the edges of the slot, much as a tenoned workpiece hides a mortise. Make Dovetail Joints Without a Jig - Weekend With WOOD 2015, Defeat end-grain tear-out with backer boards. It’s a hybrid of the dado and the dovetail, with a groove in one part, a tongue on the other. is it possible to use the sliding dovetails to attach large table tops to the two shorter aprons, or they will going to distort the top itself with expansion? https://www.popularwoodworking.com/wp-content/uploads/popwood_logos-01.png, https://www.popularwoodworking.com/wp-content/uploads/2019/11/aw_16931_-002.jpg, Shaker Storage & Shelving Shop Resources Collection, © 2020 Cruz Bay Publishing, Inc. All rights reserved, How To Avoid Dry Spray When Spraying The Insides Of Cabinets, Free Woodworking Downloads From Lee Valley, I Can Do That! I found the best results were achieved by making a typical mortise cut first. The test pieces must be exactly the same thickness as the project parts. I’ll bet you’ll be tempted, as I was at first, to position the fence close to the bit—but you’ll be rewarded with an unpleasant surprise. For more related content, subscribe to our newsletter! Thanks. The glue I’m using for the rest of the project is a quick setting glue that dries clear. With a perfected fit the tail slides easily into the socket. In addition to a 5⁄8 We chose a 7° dovetail bit because it leaves a thicker, stronger "neck" on the dovetail than a 14° bit would. Install the bushing and spiral downcut bit, and set the bit's cutting depth to 1⁄16 The inside of the template allows the negative part of the sliding dovetail to be cut. straight bit. The v-bit is used for placement of the fence only; no cutting is done with this bit. Hi Tommy. If you just used a straight wedge the distance from the curve to the wedge would vary along the curve thus changing the angle of your taper. Hello Eric, In my world it’s simply been a lot easier to do create good sliding dovetails if the tail board is slightly thicker than the widest part of the dovetail socket. There’s nothing to fabricate—you just need a clamp, a block, ten playing cards and a couple of small pieces of paper. Set it aside a few days to bend or twist, then flatten it again and mill it to final dimension. dovetail bit to just touch the You’ve probably seen a drawing of the sliding dovetail joint. Don’t go for the perfect fit on the first pass; start oversize, then move the fence back in small increments to make the dovetail narrower. Of course, that’s assuming the wood grain is not going crazy and in multiple directions. To reposition the jig accurately for each operation, use the jig to draw layout lines on your workpieces to define both sides of the slots. 6. Not only are the burn marks gone but all of the machine marks from the planer and table saw blade are gone too. The sacrificial hardwood cleat on the back edge of the block provides a mechanical connection to prevent slipping of the push stick over the workpiece as it is being cut. After making one cut, turn the piece around to complete the socket. You’ll need two router bits in order to make sliding dovetails. If you want to stay up to date with everything that I’m doing then check out my website and sign up for my email newsletter. Do this by pushing the infeed face of the fence into the running cutter. The diameter of the dovetail bit needs to be less than the thickness of the drawer sides. But as it turned out, the leg blanks were 100% perfect with matching rift sawn grain all the way around. bit is centered exactly in the dado, and use a backer board if it is a through cut. The sliding dovetail joint has another singular advantage: If left unglued, it will allow the parts to move without coming apart. That’s it for this one. Good evening all. (I used a 14°, 1/2″ wide bit, the standard for half-blind dovetail jigs. When you get close, a few thousandths of an inch matter—it’s that fussy! Overall I think it looks good. This is just a temporary location for the table as our Christmas tree is up. The bit height remains the same as in the previous step. While the purpose of this video is to make a bench and not to be an advertisement for the PantoRouter I did use it for all of the joinery in this project. It’s time to go back to the router table, but hang on a sec. The dovetail slot is 5/8″ deep and 5-1/4″ wide. Here you can get a good look at the taper as well as the nearly perfect grain appearance on the legs. Thank you for the response! 4. One is for test cuts; trust me, you’ll need it. Make the second cut by holding the board flat on the router table and pushing it through the cut until the board hits the stop line. I’m leaving the point of the bit short of the face of the bar stock. If everything fits well, disassemble the parts. As expected, the thickness of the glue and the tight fit of the joints made the use of a hammer necessary.