Late July 2012
Since almost every other bearing was in lousy shape I decided to pull the ballscrew bearings out of the head and replace them, and did some cleaning up while I was in there too.
View of the bottom bearing cap, before:
Pulled ballscrew out, decided to turn top end for a HEDS style encoder since 1/8" is a common (read: cheaper and more available) size for encoders. Shown here: a blurry photo of me indicating the screw to make sure I'm centered up on the lathe:
A much better image:
Shaft turned down:
Success! Encoder fits snugly!
After shot of ballscrew cap and bearing with some much-needed cleaning:
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