In an aspect of the invention, a jig apparatus base having an intermediate zone configured to minimize or prevent inadvertent contact between a bit and the base is disclosed. 35 is a partial isometric view of a box joint template in accordance with an embodiment of the invention; FIG. It is also believed that it will be apparent that various changes may be made in the form, construction and arrangement of the components thereof without departing from the scope and spirit of the invention or without sacrificing all of its material advantages and that the form herein described is merely an explanatory embodiment the invention. Each block supports one or more adjustable fingers 199. This may become a time consuming task as a user fine-tunes the depth of the router bit. The user positions the back rail 318 by abutting the stop 342 with an adjustable finger 199 of the repeatable alignment system 139. The flange may be used together with a clamp or other fastener to attach the apparatus along an edge of a workbench or other suitable support surface. The eccentric portion 156 may be formed of a durable plastic or the like having sufficient rigidity to withstand workpiece clamping pressure. Woodsmith Adjustable Box Joint Jig Plans. The screw advance box joint jig is the brain child of Matthias Wandel, the mad scientist of woodworking. Next we're going to take piece A, fit it in the center and screw it down, make sure to pre-drill ahead of time.
On my prototype model I just used a piece of plywood so you don't have to do anything fancy, however I thought it would be nice with a round wheel so I cut up these pieces on the x carve which I glued together to make a thicker piece. Protrusions will be flushed once the box is assembled. After the mechanism is coarsely adjusted for the appropriate workpiece thickness, the user secures the workpiece using an eccentric cam mechanism. 14 is an isometric view of a jig apparatus including a removable template in accordance with an aspect of the invention; FIG. Make sure the glides slide easily in the miter slots, and ensure that everything is square to the blade. If you watch my video you'll see it actually takes no time at all. 30, embodiments of the router support 135 and the bit depth guide housing 276 allow the router support to be stored in a slot formed on the rear of the depth guide housing when the router support is not in use. A lock bar 154 is pivotally coupled to the mounting block. The fence system 155 may permit a user to vary the angular orientation of the workpieces forming the joint as desired. Build a Router Table Box-Joint Jig. As when using the finger assembly 314 to form mortises, the front rail 316 and the back rail 318 support the router, while the inside surface, 544, 545 of each rail 316, 318 guides the router bit.
In further embodiments, see FIG. The standard finger joint jig has just three parts: a back that you attach to your miter gauge, a movable face that feeds the wood into a dado blade to cut the notches, and a tenon that aligns the wood for each cut. In a first embodiment, the set-up guide assists the user in achieving the correct vertical position of a tenon workpiece. By having an adjustable finger in line with the adjustable threaded rod, the template can be flipped front-to-back while still maintaining the proper alignment. 18 is an isometric view of a jig apparatus including a router support and a dust collection chute in accordance with an embodiment; FIG. You want to make sure that the wheel is good and tight in between those two nuts, because over time as you spin this it can loosen. If the grip is too tight, sand the spruce strips a bit. The fingers are also variously configured with square corners 322 or rounded corners 324. How to Make a Box Joint Jig. Quick Simple and No Dado Needed. In the down position, the stop 543 engages the base 102, fixing the rear bracket 290 to the base 102 and allowing the positioning system 139 to function. He and Kevin build a box joint jig which is a simple table saw sled equipped with adjustable stops and a pin. Now if your blade is 1/8 of an inch, then you should make the spacer that distance. For legal advice, please consult a qualified professional.
The proper distance between the two rails 316, 318 is set using stop 524 shown in FIG. Use the router bit you want to use for cutting the box joint (I am using a 6mm straight router bit). I hope the information shared in this blog post inspired you and now you are ready to make a few box joints. Those of skill in the art will appreciate the principles of the present embodiment may be implemented for templates for different joints, such as for a mortise and tenon joint and the like, without departing from the scope and spirit of the invention. Woodsmith adjustable box joint jig. In this configuration, the housing portion 145 may direct dust and debris generated during material removal away from the template and router. This ensures the repeatability of the template alignment system 139, described below.
The base has an aperture 427 with a threaded nut or insert attached behind the aperture, or the aperture itself may be threaded. In this embodiment, the jig base 102 is formed from multiple sections, including an extruded center section 470 connected with a left end cap 471 and a right end cap 472 as also described above with respect to FIG. Adjustable box joint jig pdf 1. Those of skill in the art will appreciate, a kit of outer sleeves having different diameters and/or a kit of collar bodies having different diameters may be included for permitting variable spacing. In a further embodiment, an adjustable rod 344 mounts to a block 290 of the alignment system 139.
Box joints, also known as finger joints, are a decorative and sturdy method for joining drawers, boxes, and carcases. In additional embodiments, portions of the workpiece stop 168 may include a contoured edge such as a half-circle recess to accommodate a threaded rod, such as may be included in a template securing system, a clamping assembly, or the like. A positioning guide 366 may also be used in order to correctly position the workpiece. Using a box joint jig. To make a second cut, the user rotates the template 180° and captures the second bracket of each pair over the threaded bolt 138 and between knobs 142, 146. SELECT YOUR PLAN PACKAGE.
You could certainly do this in metric, however the spinning would be a little different depending on the size of the rod, so you would have to work those numbers out. The threaded rod 426 is released from the female threads and can be pulled from the base without turning the rod through its entire length. It's designed to make evenly spaced square notches in the ends of adjoining boards, leaving multiple tenons that interlock to form a finger joint. Alternatively, one or more screws 315 lock the upper half 304 relative to the lower half 305. 73A, the user sets the distance between the rails 316, 318 as described above. 51 is an isometric view of an embodiment of the jig apparatus having a removable clamp assembly, the figure showing the base with the clamp assembly removed; FIG. They both provide excellent results. HDF – 2x (30cm x 7cm x 0, 8cm). The front face 106 and top face 108 come together with an intermediate step 205. Of course you could also create new patterns and be really creative, do any sizes that you want. So far for me, it's been very safe, however you should always be very careful with your table saw.
It measures 2 1/2 inches long and about 1 inch in diameter, however you could make it any size you want. It's important that you're not tightening the entire rod here, you want to secure the wheel in place. In a further instance, a series of collar bodies having differing outer diameters may be implemented for a substantially similar purpose. A generally cylindrical outer sleeve 121 having a through aperture for being received about a portion of the collar body 115 may be secured to the collar body via a frictional engagement, a magnetic engagement, or the like.
WL-2016 - Classical Ogee Mouldings. The depth stop bar 214 may be removed when cutting through dovetails, as the bit is allowed to pass entirely through the workpiece. And if there's any slop in your miter gauge bar, it can throw off the accuracy of the jig. You should be able to easily slip the joint together by hand and the joint should hold by itself. Female threads 375 are formed along at least a portion of the bore 388. The front clamp can be easily attached or removed by fitting protrusions 420 into recesses 422, see FIG. For a 1/4 inch joint the pattern is this: cut four times, with a spin in between each cut to move it forward. In further embodiments, the workpiece stop 182 may be configured such that one portion is fixed while the other portion is slidably adjustable, or both portions may be adjustable relative to each other and to the base.
The concentric rings align with the position of cheek cuts made by a router bit. 12, the pin board 114 must be positioned horizontally on the top face 108 of the jig, and the tailboard 112 must be positioned vertically on the front face. 7, 455, 089, which application claims priority under 35 U. C. §119(e) to U. The front portion 354 integrates with the center section 470 of the base 102 such that the front surface 106, 353 and the top surface 108 come together with an intermediate step 205. The projections on the template and the fingers on the support assembly are positioned so that the correct stops will automatically engage with corresponding fingers when the template is correctly positioned on the support rail 141. 5" x 11" print shipped to you. Instead, this jig uses a system of removable fences with separate keys for different sizes of box joints. Speed and Feed Chart for Spiral End Mills. 16, a separate housing 268 may be used for mounting one or more depth guides. Once you have cut all of that block out, you lift the slider and key, travel to the next short block and continue cutting. In an alternative embodiment, as illustrated in FIG. Additionally, each workpiece stop may have a straight edge 283 opposite the first 281 and second 282 offset edges. The threaded end portion 129 may be engaged by a lock ring 117, having corresponding threading, for securing the collar system 131 to a router base plate. For example, as shown in FIG.
The alignment system 139 uses a series of adjustable fingers 199, which engage corresponding projections 200, 202 on the template. In this way, the user can adjust the distance 334 between the front and back rails and fix the distance using the rod 328.