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Re: Polishing an Aluminum Base Plate


Paul Anderson
 

Is it more important that it be flat or shiny?

On 2012-03-04, at 10:44 PM, "Thomas" <mayfieldtm@...> wrote:

Just finished machining a 6061 Aluminum Baseplate for my Bell Jar.
It's 14" in diameter by 1" Thick with a 4" hole in the center and drilled for a Conflat. I've yet to decide what type feedthroughs I'll be drilling holes for.

It's the first component in my Vacuum System project.

I turned it to as good a surface finish that I could muster, but still would like to finish it to as near a mirror surface as possible, regardless if that entails more machining or hand polishing??

It is darn close now, but, needs that last little Phuttt.

Any suggestions? I'm thinking you guys resurface or polish you pump-plates now and then.

Tom M.








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