UFO conversion options

Bernie Benz b.m.benz at prodigy.net
Thu Sep 26 14:06:58 EDT 2002


The electrolite in the electroplating process is a solution having a finite
electrical resistance.  Therefore the metalic ions will tend to travel a
path of lowest resistance, the shortest distance to the cathode, and are
dispersed only by the mutual repulsion of like charges.  That's why, when an
extreemly uniform deposit is required, a shaped anode is used.  The bottom
of a semispherical indentation in a flat surface will recieve about 10% of
the flat surface deposit eminating from a parallel flat surface anode.

There are some limited nonelectrolitic plating processes that may be better
suited to the deep holes of the rotor cooling passages.  Research it.

If not careful, one can learn something new every day!


> From: Peter Schulz <peschulz at cisco.com>
> Date: Thu, 26 Sep 2002 14:58:57 -0400
> To: Bernie Benz <b.m.benz at prodigy.net>
> Cc: 200q20V mailing list <200q20v at audifans.com>
> Subject: Re: UFO conversion options
> BernieL
> Not following you here...
> When is a hole _not_ an external surface?
> If I take a UFO rotor, apply a current and immerse it into a plating bath, all
> surfaces (to the extent that the plating material can access) will be plated,
> be it the braking surface, the rotor cage, or the cooling vanes in the rotor
> itself.

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