However, things always seemed to be off. One more thing, you don’t want your joints tight. Bottom line: It’s the lowest-priced jig with variable spacing, and well worth the investment. I have the same jig and I found the manual a little scattered. jig. I always knew setting up to make dovetails was a time-consuming procedure, but, like many of you, seriously underestimated how critical bit depth was. If you score along the short edges of the tail boards it helps to minimize the chip out. frustrations? I use bearing guided in my dovetails. I agree with the 2nd post that the musclechuck will just hit the bushing guide as well. Use this as your guide, not any markings on a bit. Having difficulties reading project plans? I set the depth of the router bit (via the gauges on the side at) at 3/8” for both bits. Am I missing something? The depth stops are not guaranteed to be properly adjusted. Relief, 3D, chip-carving, whittling; carving knives, chisels, pocket-knives, power tools. Projects with dovetails imply a level of craftsmanship and detail that adds both inherent strength and pizzazz. " collet.) You’ll get more feedback in your own thread. © 2020 Meredith Corporation. It is very important to be sure you are using the collar and bit specified by the jig manufacturer.Substitutions seldom work so if you do not have the correct tools, get them; there will be no good dovetail joints until you do. Those who work with this 12-in. If you’re going to invest in a jig, it makes sense to get one capable of creating all of the most common joints: through- and half-blind dovetails as well as box joints. Leigh’s owner’s manual superbly walks you through each step, and its online videos provide valuable backup if needed. The scoring trick I mention above helps a little bit. This versatile jig accepts stock from 1/4 to 1-1/8 inch in thickness and up to 12 inches in width. " to 1" spacing for half-blinds, and from 13⁄16 As always, follow the instructions provided by the manufacturer of your dovetail jig. The best way I’ve heard to describe that “loose” fit is that you can tap the joint together with your hat. Kind of doubt I’ll ever go down the hand cut road, but you never know. Fixed-finger templates dictate workpiece width in order to leave half-pins at each end of the joint. It seems freud has been more conservative in drawing where the minimum depth is for that particular bit. The Porter-Cable 4216 and Rockler 22818 jigs come with everything except a straight bit for making box joints. After you purchase the necessary router bits, templates, and guide-bushing subbase, this jig helps you make perfect-fitting joints. It definitely looks like your depth setting is too shallow. Now it appeared the bit was too shallow. Each tested jig requires a guide bushing mounted in the router’s subbase—or, in the case of the Leigh RTJ400, the router table—to steer the bit around the fingers on the templates (see photos below). Throughout this procedure, I changed nothing but bit depth. All Rights Reserved. The weight and size of this jig will also ensure you keep a straight edge. You then get 3 large tails instead of a bunch of small ones. If you search at www.woodworkingonline.com you can find a video the Woodsmith guys made where they walk you through the use of the 4212. NewMetalworker.com - NWW on YouTube - Donate, Home Bottom line: It’s hard to make a case for buying this jig. My jig specifies this depth is measured from the template, not the router base. This forum is for all the woodturners out there. Some woodworkers have difficulty grasping the full importance of bit depth. The jig comes with various depth guides to help with the cuts and that is what I have been using. He has two videos, one for 1/2 blind and one for through dovetails. The manual states that the jig depth measure should be set 3/8 inch below the template (in its lowest position). You still have to make a few practice cuts, but it saved me alot of time and headache, not to mention wood. Then, a test cut or two should complete the process, and confirm the depth is right. I can’t understand this as the template is approx. To eliminate this time-consuming part of making dovetail joints, many woodworkers have a dedicated router, with the optimum bit depth set. And it has an equally thorough owner’s manual and online support. While these modern tools certainly make this process easier, they do not guarantee perfect results. 800-663-8932, leighjigs.com A quick joint primer The three most common joints made on a dovetail jig are routed on the workpiece ends of square or rectangular assemblies. You need a little room for the glue. We got the best results using bits with 1⁄2 The bit is not removed or the depth setting changed until it wears out and needs replacement. Your woodworking skills are displayed for several lifetimes in each project. Making box joints requires an optional bearing-guided pattern bit—no guide bushing—but we can find easier ways to make box joints. The Leigh RTJ400’s quick-reference strips, that slide into the top bar, help guide you in cutting each joint. And if you already own straight or spiral bits, box joints won’t cost you extra. Dovetail Jig Combination Kit enables cutting a wide variety of joinery for drawers, boxes, and furniture. A guide bushing follows the jig’s template fingers, directing the router bit to cut precise shapes that mate perfectly for tight-fitting joints. As I said, I haven’t ever done any dovtailing at all. All the tested jigs accommodate workpieces at least 11" wide. The joints should slide together easily, no pounding. Woodturning Chat with your Forum Friends about their projects, their life, thei... What's the difference between a card scraper and a cabinet scraper. I kept the final test pieces and marked them with the bit depth, measured from it's base. Buy optional templates ($40 each) to make through-dovetails of wider spacing, and an optional template-and-bits kit ($70) lets you make miniature through-dovetails. question Porter-Cable INSTRUCTION MANUAL DOVETAIL JIG 4210, 4212 (29550). Video Today, we have the luxury of routers and dovetail jigs. Dovetail Jig rave about the user-friendly features. Wood, your hand tools, you and a little know-how. Dovetail joints look best with symmetrical pins and tails and a half-pin on each end. We put seven such jigs through rigorous testing, and found good options in several price ranges. And even in the “good” wood you can get chip out. Depth of cut will be 9/16" from the base of your router.