Popular Woodworking 2006-10 № 157, страница 32

gauge; the machine's fence will set the chisel to the middle, as shown below right on the facing page. The hollow chisel should be set so that the drill bit has a credit-card thickness gap at the bottom between the chisel and the end of the drill bit to leave room for the chips to go up and not run hot. Mortise halfway, flip it and mortise from the other side. This way you have clean openings.

To tenon on the table saw, I use my tenoning j ig, which fits on the table saw fence. Mark a scrap with small lines for the width of the tenon. Set up the saw by trial and error until it is right before you cut the real pieces. The cam clamp holds the piece in the jig for a very safe and repeatable cut. To cut the shoulders, set up your blade height and use a block of wood on the fence for extension to leave more gap to clear the scrap (see photo next page). This way your saw will not jam. Use the miter gauge with a block of wood and a piece of sticky-back sandpaper so that your wood does not slide.

Plunge Router and Band Saw

To mortise with a plunge router, you have to make a jig like the one in the drawing at right, and

Hanaer bolt threads into third layer of cam after passing through adjustment holes in jig and first two layers of cam

Channel sized to

See cam pattern below

Filler pieces sized to accommodate stock -

Mortising jig elevation

Tenoning jig

Mortising jig wedge (Make 2)

Cam layout

Position of stop blocks determine mortise length

in the photo on the next page. Mine holds a 3" x 3" piece so a table leg will fit into it. Smaller pieces get shimmed and wedged for safe work. Use a two-flute carbide up-spiral bit. On the router fence, I use a block of wood that slides back and forth in the jig safely. Take small cuts of about

Mortising jig

My table saw tenoning jig rides on the saw fence and holds the piece vertically. The cam clamp on the jig can be moved to fit different widths of materia l, and holds the rail in place.

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