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To remove
the unwanted material from the outside of the focuser housing's
flange, a jig was setup on my drill press as shown in the photo
above. This setup will allow me to reduce the diameter of the flange
so it can fit the main tube. All it consisted of was a scrap piece of 3/4" plywood, two
small blocks of Teflon, two drywall screws to secure them, and two
small "C" clamps to lock the apparatus to the drill press table. A
sand disk is chucked in place and will remove the outer surface of
the flange as it is rotates. The jig was gradually moved in toward
the sanding disk as aluminum material was ground away from the
flange. Very simple process, but let's see how effectively it
worked.
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