I make small toy parts that require a great deal of accurate sanding.

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I make small toy parts that require a great deal of accurate sanding. For that accuracy, I use a 1"-belt/6"-disc sander that, unfortunately, uses small, hard-to-tighten wing nuts to secure the table. If a nut works loose, which happens frequently, the table slips down. To solve the problem, I created a carriage-bolt support post for the table, as shown above, that keeps the table perpendicular to the disc.

To make the support post, cut a 1" wide strip of scrap wood about as long as the table to house the post. Install a 516 " T-nut in the bottom of the strip, as shown, and add the bolt, wing nut, and washer. Finally, glue and screw the strip to the sander's base.

After locking the table square to the disc, turn the carriage bolt until it rests on the underside of the table. Then, lock it in place by tightening the wing nut against the washer and strip.
—John Shaw, Falmouth, Mich.