Accurate, repeatable mortises are guaranteed with this sliding table.

When a project calls for a lot of mortises, nothing beats the power of a mortising machine. The only drawback to a mortiser is that repositioning the workpiece to drill the overlapping “holes” can be a hassle. This sliding X-Y auxiliary table makes mortising a breeze. First, the long, steel hold-down and toggle clamp anchor the workpiece. Then just turn a hand wheel to move the large table from front to back to accurately position the mortise. Finally, turn another hand wheel to move the table side-to-side. The end result is a clean, straight mortise. Best of all, it only takes some simple hardware to accomplish these tasks. And it all adds up to one shop accessory you’ll wonder how you ever got along without.

The slot I created is 4 1/2 inches long by 3/4 of a inch wide and seems to work great at this size, but can be changed to suit your needs. On the bottom of the table top a runner measuring 1 1/2 inch wide.

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Slot Mortising Machine Plans FreeUnit
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Slot Mortising Machine Plans Free Download

What You Get:

  • 10 printable (digital) pages of step-by-step instructions
  • 34 full-color photos and illustrations
  • Shop-tested techniques ensure your success
  • Materials list
  • Retail sources for hardware and supplies

Note: After your purchase, you will receive an email containing a PDF attachment of your purchased plan, as well as instructions for logging in to download the plan and access any other associated files and videos, which will all be located on this page.

Project Supplies & Hardware

Slot mortising jig
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Imperial Plans

The United States Customary System of Units (USCS or USC), more commonly referred to as the English or Imperial system, is the standard set of units for our plans. It uses inches and feet for measurement. This is the one you probably want if you are in the United States, and it is the one we have traditionally offered on this website.

Metric Plans

The International System of Units (SI), more commonly referred to as the metric system, is the alternative set of units that we have available for some of our plans. It uses millimeters, centimeters, and meters for measurement. This is the one you probably want if you are outside the United States. These plans are provided by our business partner, Australian Woodsmith, and are based on the original Woodsmith plan. However, dimensions and other elements of the plan may vary between the metric and standard versions. Be sure to double-check the plan before building.

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All of the information that you need to build our plans can be found in the standard plan. However, if you want even more granular detail to make your job easier, you should consider our premium plans. These come with additional shop diagrams that we drew when creating the prototypes. Shop drawings are not available for every plan.

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Some woodworkers discount loose tenons as the poor machine-cut cousin of traditional mortise-and-tenon joinery, but I’ve found the joint useful in many instances. Joining parts using a pair of...

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Laguna Slot Mortising Machine

Details

Diy Slot Mortising Machine

Some woodworkers discount loose tenons as the poor machine-cut cousin of traditional mortise-and-tenon joinery, but I’ve found the joint useful in many instances. Joining parts using a pair of matching mortises and a snug-fitting wood strip, instead of sawing a tenon to fit a mortise, saves stock. And with the proper setup, loose tenon joinery is just as strong
as its competition, but quicker and easier to accomplish.
You will be able to download the pdf file from the Thank You page or from the Downloadable Product Email once your order is placed.
Woodcraft Magazine's Classic™ Shop PlansThese plans are the 'best of' the projects from Editors of Woodcraft Magazine. Each plan features step by step instructions with detail photographs, exploded illustrations for various project steps, a cut list and cutting diagram, and a Convenience Plus Buying Guide so you know exactly what supplies are required to complete the project. Whether you are a beginner or an accomplished woodworker, the Woodcraft Classic Plan series will have a plan for you!