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MORTISE & TENON
Intro
Mortising Setup
Mortising Safety
Mortising Speeds
Mortising

Mortise & Tenon
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version of Tip - Pg. 1-3,
Pg. 4-5

Mortising Setup

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Figure 8-1. The acessories that are used for mortising are: (A) worktable, (B) rip fence, (C) mortising attachment, (D) mortising hold-down, (E) drill chuck and (F) chisel and bit. (G) The internal tubes and telescoping legs of the extension table system suppor the table (Model 510 only).

To perform mortising operations, set up the Mark V in the drill press mode and use the accessories shown in Figure 8-1.

The mortising attachment is slipped over the collar on the quill. Position the arm to the right or left and secure with the Allen screw. To secure the chuck, turn the spindle by hand so the tapered flat faces away from the arm and secure the setscrew. Warning: The chuck must be secured while the flat of the spindle faces away from the arm of the mortising attachment. Caution: Place a scrap piece of wood on the worktable to protect the bit and chisel if they are dropped. Insert the chisel in the adjustable sleeve and secure it with the setscrew (Figure 8-2). Insert the bit through the chisel and into the chuck and lock with the chuck key.

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Figure 8-2. Insert the chisel in the adjustable sleeve and secure it with the setscrew. A piece of scrap stock protects the worktable.

Warning: Be sure to remove the chuck key. The adjustable sleeve of the mortising attachment is positioned so there is a gap of 1/32" to 1/16" between the cutting edge of the bit and the chisel (Figure 8-3).

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Figure 8-3. There must be a clearance of 1/32"-1/16" between the bit and the chisel.

Since the rip fence is used as a guide for the workpiece, the chisel must be square to it. Place the head of a combination square against the fence and the chisel (Figure 8-4). Make the adjustment by turning the adjustable sleeve; then secure it with the setscrew.

The mortising hold-down which attaches to the rip fence, keeps the workpiece from pulling up when the quill is retracted.

 

 

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Figure 8-4. The side of the chisel should be positioned at right angles to the rip fence. Check it with the head of a combination square.

The final step is to adjust the quill feed stop for the depth of cut needed. Caution: If the cut is to go through the workpiece, use scrap wood to protect the table.

 

 

 

 

 

 

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