84, страница 40

84, страница 40

Threaded

along edge

mGuideplates attached to wood "box" sandwich around mounting plate to hold vise in place

"Open" wood box houses tail vise

TRADITIONAL TAIL VISE

Single screw drives vise as handle is rotated

So what do you do if you already have a workbench and can't add a tail vise? You can do the next best thing. And that's to use the handy hardware you see at right.

These Veritas Wonder Pups and round bench dogs from Lee Valley only require drilling a series of 3/4M-dia. holes in the top of your bench. Plus, by drilling a few more holes in your workbench and the jaw of your face vise, the vise can hold workpieces much larger than the capacity of the vise.

The hardware inside consists of a steel mounting plate attached to the front edge of the workbench. This fixed plate has a threaded "nut" that accepts the screw of the tail vise. As you turn the handle, the vise assembly slides back and forth along the mounting plate.

To keep the vise level and sliding smoothly, a pair of steel guide plates are sandwiched around the top and bottom edges of the mounting plate. You want to build die wood box so that when the plates are sandwiched around the mounting plate, the tail vise assembly is rock solid, yet will still move easily.

Planning for a Tail Vise. The downside to a tail vise is that installing one requires the most planning. The reason for this is you have to design the top of the bench around the vise. So it's especially important to have die vise on hand before you start building your workbench.

And like a face vise, you'll have to decide on the capacity you'd like, hi tiiis case, die capacity is actually the back and forth travel of the vise. And building it into the workbench doesn't affect this movement. So the capacity specified is pretty much what

versatile clamping:

Bench Dogs & Pups

working with a

Tail Vise

Although I use my face vise a lot, the vise I couldn't do without is the tail vise installed at the end of my workbench. Whether I need to secure a long workpiece for planing or hold a wide panel for a littie belt sanding, my tail vise is up to the challenge.

TRADITIONAL TAIL VISE

A traditional tail vise, like the one you see above, securely clamps a workpiece to the top of your workbench, yet still allows you to work

without any interference. To do tills, the vise has a few dog holes that align with a long row of dog holes in the front edge of die bench. Widi a pair of bench dogs, holding just about any workpiece is a snap.

Note: For more versatility, you can even clamp a workpiece between the face of the slidi ng jaw and the bench.

How a Tail Vise Works. Although a tail vise looks like a solid assembly, ifs really a wood box with an open back. It's the hardware inside that's the secret to how a tad vise works. To see what I mean, take a look at the illustration above.

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ShopNotes No. 84

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