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Sticky Mitutoyo quill DRO

Solarbell

Aluminum
Joined
May 1, 2018
I have an older version of the Mitutoyo 053906B Z-axis DRO mounted on the quill of a Bridgeport I recently refurbished. I noticed today that the moving DRO unit is 'sticking' to the fixed slide, making the mounting frame flex and messing up my readings. Is there a proper way to lubricate that DRO? I can't find any documentation on Mitutoyo's website.

If this is the wrong forum, please let me know.
 
It's possible it's sticking because the slide or beam mounts are misaligned. Try loosening and realigning the parts, being sure they're collinear with the travel of the quill.

If the issue is really just "sticking", take some clean alcohol and wipe down the beam. Make sure not to soak anything, a small amount on a paper towel is enough. Keep any solvent away from the display screen. If that's not enough, a small amount of silicone lubricant on the beam should do it.
 








 
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