Academy Notes and Tips - Using Mortising Attachment to drill square holes

Academy Notes and Tips

SEPT/OCT 2002
Volume 45/Issue 5

IN THIS ISSUE
Project Articles
• The Toy Train
• The Cold Frame
• The Toy Puzzles & Kitchen Helpers

DEPARTMENTS
• Ask Smitty
• Owner’s Gallery
• Letters from Owners

Academy Notes
Using the Shopsmith Mortising Attachment to Drill Square Holes

Service Pointers
MARK V Wedge Locks & Way Tubes

Safety Tips
Using the Shopsmith Safety Kit

What's New
Incra Miter Gauge 2000

EDUCATION
• Find A Shopsmith Woodworking Academy Near You
• National Woodworking Academy in Dayton, OH

ONLINE CATALOGS
• Online Accessory Catalog
• Request Printed Accessory Catalog
• Online Replacement Parts Catalog

MARK V INFORMATION
• Find A Shopsmith
MARK V Demo Near You
• Request MARK V Information Package

LINKS
• Links Worth Visiting
• Free Woodworking Tips

FEEDBACK
Contacting Shopsmith

From the Shopsmith Woodworking Academy
Using the Shopsmith Mortising Attachment to drill square holes
Printer friendly PDF copy of article

Step 2:
Place your Drill Chuck on the MARK V Quill and tighten into position. Slip the collar of the Mortising Attachment over the Quill above the Drill Chuck and secure into position by tightening the single setscrew. When clamped into position, the Attachment will hold the Chisel perpendicular to the Worktable surface.

Step 3:
Rotate the Chisel in the Attachment until its face is square to the face of your Rip Fence, as shown. Be sure the chip ejection chute (the long opening in the side of the Chisel, itself) is facing forward, toward the operator.

Step 4:
Insert the Mortising Drill Bit by pushing it completely into the Drill Chuck, then lowering it so the tip is exposed no more than 1/16", (as shown). This provides a small amount of clearance between the Bit and the Chisel. Without this small amount of clearance, the Bit will dull quickly.

There must be a clearance of 1/32" - 1/16" between the bit and the chisel.

Step 5:
Attach the Mortising Hold-Down Bar to the Rip Fence. If you have a Model 510 or 520 MARK V, the Bar attaches via a T-Nut that slides into the top of the Fence. If you have a Model 500 machine, the round Bar slides into a hole bored in the top of your Rip Fence. If you own a Model 500 machine and have purchased a new Mortising Attachment, simply remove the T-Nut from the Bar, turn it over, upside-down and drop the round Bar into the hole in the top of your Rip Fence. Be sure to lock the Bar into position with the appropriate Setscrew (older machines) or by twisting the Bar into the T-Nut.

Step 6:
Insert a brace between the underside of the Worktable and the shop floor. If you have an older Model 500 machine, a piece of 2x4 cut to the appropriate length will work nicely. If you own an model 510 or 520 machine, use the Telescoping Legs that came with your Table System.

Step 7:
Set your Quill Feed lock for the required depth-of-cut. Be sure to measure your stock very carefully for proper mortise placement. Set your MARK V Speed Dial between “G” and “H” and form the ends (or “corners”) of your rectangular mortises first. Once thee are cut, move from one of your corner holes to the other, cutting no more than 3/4 of the Chisel width in a single pass, removing the stock in-between the “corners”.

Step 8:
Use your Table Saw with the TenonMaster Jig to create the mating tenons for your Mortise-and-Tenon joints.

Using the Tenon Master Jig to shape a tenon.