column of drill press issue.


curlyoak

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I found this rust under the yolk. It appears to just be on the surface. Because I am lucky to know this group of people, I'm sure there is good advice on cleaning this off. I was thinking of spray on WD-40 and wipe it off with a rag...Thanks

 

PS. It might of been some sweat when this was assembled. 6 handed effort.

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I keep some of this film from Lee Valley for such jobs.   I've lapped rust off of hydraulic rams in hydraulic cylinders on tractor equipment, that looked a lot like that with strips cut from these sheets.  It has a very tough backing.  I cut strips about 2" wide, and use a shoeshine type motion.

I think I bought one of each, but the yellow is plenty fine enough to finish with.  You really only need two, or three different grits.  

You could do the same with wet-or-dry sandpaper, but this has a much tougher backing.

https://www.leevalley.com/en-ca/shop/tools/sharpening/sheets-and-belts/74729-3m-aluminum-oxide-films-for-sharpening    You can use it with oil like WD40.

 

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