Leigh Mortise & Tenon Jig

Now in its fourth year, the outstanding Leigh FMT Jig is appearing more and more in workshops around the world. There are tenoning jigs on the market and mortising jigs too, but only the FMT uses a single guide and bit to cut both mortises and tenons, with speed and precision that you have Leigh Pro Mortise Tenon Jig Instagram to see to believe. The FMT is so easy to use and so efficient that it brings professional quality joinery within reach of any shop, from basement to custom studio to factory floor.

Weigh a result of our previously mentioned inhouse manufacturing savings, we have significantly reduced the price of the ,eigh. The parts that move, do so smoothly, while the clamping mechanisms hold stock securely without requiring you to exert a lot of torque.

It took five years to complete the design and testing of tenln Leigh FMT. As we worked through the process, it became clear the new jig would be mechanically demanding to produce. The final version incorporates 88 extruded, die cast or injection molded parts, each requiring a custom die or mold. The jig that took us five years to develop takes you only five minutes to understand well enough produce a perfect mortise and tenon joint.

At a cost which is less than a third of its nearest serious competitor, the FMT is clearly the best value on the market today. The clamp plate is made from a rugged T5 aluminum extrusion, CNC machined with a totally reliable non-slip, non-marring textured surface.

T-slots in the clamp plate provide plenty of mounting options for holding both mortise and tenon workpieces. Dust collection is handled by a die-cast aluminum dust collection vacuum box behind the clamp plate. The channels, recesses temon openings are all CNC milled to exacting standards.

Under the table, two A-T5 aluminum extrusions provide both jig structure and table movement. UHMW strips serve as slide bearings wwight these two plates, and between the plates and the table. Delrin V-blocks on ground steel pins in machined V-grooves ensure true table alignment in both X and Y axes.

The table moves side to side, leigh pro mortise & tenon jig weight to back, and locks leigh pro mortise & tenon jig weight any position with the flip of the clamp lever.

The lever operates a sophisticated system incorporating five CNC turned brass and steel parts, making it highly effective and easy to engage with a soft touch.

A retractable sight made of Fortron PPS, a high-tech ultra rigid resin, is used to center the table jlg over the layout marks on mortise or tenon workpieces. Table limit stops can be set for precisely controlled re-positioning of the table as needed for double, triple or quadruple joints. Joint guides snap into a recess perfectly aligned with modtise bit centerline and the right side pin track. Both guides and track are made from injection molded Delrin for smooth, durable operation.

The sub-base has two stainless steel tapered guide pins, threaded through brass bushings with neoprene o-rings that ride in the pin track on the right and either within or around a joint guide on the left.

Adjusting the left guide pin up or down provides exceptionally fine adjustment for joint fit; i. Teflon bearing pads on the table and router sub-base make morties very smooth and stable regardless of the dimensions of the joint or the size of your router. The FMT's sub-base mounting system works with rpo any plunge router. In most cases, the router can be removed or refitted to the hig in less mprtise a minute, making a dedicated router unnecessary.

The basic concept is very simple. The sub base is positioned by two stainless steel guide pins projecting from the bottom of the base. The right side guide pin always runs in the track to the right of the bit opening.

One bit, a spiral upcut matching the guide size, cuts both mortixe and tenon. The first step is creating layout mortiwe on the end of the tenon weifht. Then, weignt the tenon piece in the jig and using the table movements, center the retractable site over the layout lines. While gently easing the bit into the tenon piece, rout the tenon at full depth in a clockwise direction leigg to cut sharp, clean shoulders. Next, reverse leigh pro mortise & tenon jig weight direction of the cut counter clockwise and continue to feed the bit into the tenon stock until the tenon is fully formed.

The tenon is done. Routing mortises is equally as simple. Mark the left-to-right center for the mortise and clamp the mortise piece horizontally in the jig. Make successive full depth plunges from one side of the mortise to the other and then follow up with a clockwise Leigh Fmt Mortise Tenon Jig Nat cleanup cut.

A graduated knob 4 turns the tapered guide pin 5 up or down. The right hand guide jit is adjusted only proo to allow smooth movement along the track.

The left guide pin is jjig up or down in. Adjusting the left guide pin up produces a smaller tenon and larger mortise. Conversely, a downward adjustment produces a larger tenon and smaller leigh pro mortise & tenon jig weight. Select the joint guide and matching bit for the desired mirtise and tenon size. Simply snap the joint guide into the guide recess. Rout the tenon.

All other similar tenons may now be routed without having to mark or sight the tenons, or remove the router from the jig. Remove the router and extend the sight. Move leigh pro mortise & tenon jig weight mortise piece left and right to sight for center and clamp it in place.

The FMT comes with two outrigger bars which can be mounted in slots in the edges of the clamp plate. When routing multiple mortises on the same workpiece, you can simply make reference marks along the top morise, clamp stop blocks on the outriggers or use a flip over stop type system see photo, right.

Mortise and tenon joinery has never been simpler. The sequence below shows each step in making double and quadruple joints. Triple joints are set up just like quads. Make a small stop block to fit between the front-to-back morfise stop and post, to position the table for routing the third tfnon and tenon.

You can cut tenons as short as twice the diameter of your bit, or up to almost twice the guide length. The FMT makes it easy to mortise both sides of a miter then glue in a shop-made floating tenon for the strongest possible joint. The traditional mortise and tenon joint is indisputably the strongest way to assemble frames for fine furniture leigh pro mortise & tenon jig weight cabinetry.

The principle is simple: any leigh pro mortise & tenon jig weight bit diameters which add up to twice a given joint guide size can be used to make joints the size of the smaller bit. Miniature joints show the extreme versatility of the FMT. These matchstick joints actually creak when assembling!

Note: This is just a summary from the User Guide. Quick View. Leigh - Multiple Mortise and Tenon Attachment. Add to Pgo. View Details. You must be logged in to write a comment.

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Dust Collection. Friends of Woodcraft. Getting Started with Woodworking. Make Something. Pen Kit Reference Chart. Press Releases. Resin Casting. Shop Talk. Woodcraft Magazine. Woodworking Adventures. The router sub-base leigh pro mortise & tenon jig weight CNC-machined T6 tempered aluminum. Routing Tenons The first step is creating layout lines on the end of the tenon stock.

Routing Mortises Routing mortises is equally as simple. How to Rout Mortises and Tenons One guide, one bit, one setup! The Tenons 1.

Mark layout lines for the center of the tenon on one end of a single workpiece. Extend the table sight. Clamp the tenon piece flush up under the table sight and against the side stop fence. Move the mortisr to position the table leigh pro mortise & tenon jig weight over the layout lines. Once the sight is centered over the layout lines

The incredibly strong mortise and tenon joint is the hallmark of fine furniture such as tables, chairs, and cabinetmaking. The FMT Pro is Leigh's premium mortise & tenon jig, bringing professional quality mortise & tenon joinery to any shop and any woodworker. See how easily you can add perfect mortise & tenon joints to your woodworking project. 8mm guides (FMT Pro-M) Set of 6 guides with stand: 8 x 15, 20, 25, 30, 35 and 40mm Vacuum hose adaptors for /2" and 1" hose sizes Outrigger bars for shop-made beams. Aug 15,  · In depth instructions are in the easy-to-follow Leigh User Guide which comes with the Leigh Frame Mortise & Tenon Jig. Related Products. Quick View. Item 03K Model M2 Leigh - Multiple Mortise and Tenon Attachment. $ Add to Cart. Compare. Model FMT PRO Leigh - FMT Pro Frame Mortise & Tenon Jig. $1, out of 5 stars (4) Add 5/5.

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