Technical & Reference Section > Tech and Restoration

A little rotor resto

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oldschoolace:
Thought i would bung this up as i came up with a nifty way of restoring and polishing round things like hubs, posts or as in this case a rotor  :)

I was trying to find some way of holding the various parts of a rotor while i tidied them up. Sanding by hand can be a pain and its difficult to keep the grain running in a circular motion, especially if you want to try and preserve original machine marks as i did with this rotor.  I have sandwiched things between two large penny washers before now but its not ideal and if they slip they can leave marks on the piece. After a little thought i found the perfect solution, Rubber bungs and door stops!

Both can be found with holes in the middle which you can drop on a bolt, cap with a nut and mount in a hand drill or pillar drill  :daumenhoch:

In this pic i have an orange bung from a chemistry lab, a door stop and a bung from a wine making kit. All have a taper which make them perfect for gripping the work






Not totally finished but pleased with the progress from this:




To this.








The bungs can be found in any dimension and really make the job alot easier  :daumenhoch:

oldschoolace:
Almost forgot, make sure the piece is well seated square on the rubber so it spins true in the drill.   :daumenhoch:

oldtired:
top tips , great finish on the top surfaces ,  :daumenhoch:

Gary72:
 :daumenhoch:
If you need to do small parts, look out for dremel type sanding drums in cheap kits.
These normally use the same principle.

griff:
I always love reading Clint's threads  :daumenhoch:

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