Jig – Basically, the jig consists of three parts: an MDF
base, an adjustable hardwood runner, and a pivot pin made from a dowel (Figure
1). The runner slides in a groove cut in the base. This way, you can adjust the
position of the pivot pin for different size disks. The workpiece fits over the
pivot pin that's glued into a hole in the runner.
Note: The pivot pin can be any size
you need. I have a set of runners with different size pivot pins. But depending
on the dowels you use, you may find the fit a little loose. A quick way to
solve this problem is to wrap the pivot pin with masking tape until you get a
snug fit.
Setup – Using the sanding jig couldn't be much
simpler. Start by clamping the base of the jig 1/16" from the face of the disk
sander and just to the left of the center, as shown in Figure 1.
Sand
Disk – Then just fit the workpiece over the pivot pin and slide the
runner forward until the edge contacts the workpiece. At this point, all that's
left to do is clamp the runner in place and sand the disk by rotating it
clockwise (Figure 2).
Have a nice weekend,
Bryan Nelson
Online
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