Machine mods, oddities, and fix-ups #9: New digital height readout on ugly drum sander

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Blog entry by Loren posted 05-18-2013 02:09 AM 952 reads 0 times favorited 0 comments Add to Favorites Watch
« Part 8: radial arm thickness sander Part 9 of Machine mods, oddities, and fix-ups series Part 10: Bandsaw blade coil stock »

The Delta turret radial arm saw column that serves to move
my drum sander’s head up and down has quite a lot of
backlash in the screw – over 1/4 turn. This made adjustment
maddening in the past because (in part) I had a weaker
motor (wimpy 10 amp or something one on the 9” saw
carriage) on it before. It was easy to take too deep a cut
and induce slippage of the belt. The new (well, salvaged)
20 amp motor is much brawnier of course so it can take
a more aggressive cut easily.

The DRO was easy to install. I tapped holes in the sander
arm casting and into the cast iron saw column. I pounded
the bracket to a modified shape on a piece of railroad
track. Installation only took about 40 minutes to
figure out and execute.

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