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Hello All,<br>
<br>
I'm wondering if anyone has ever developed a scheme for polishing or
reconditioning VCR sealing surfaces. Obviously, buying a new one is
the best approach, but some of our fittings are rather expensive or
hard to come by, and some technique for cleaning up mild wear or
whatnot would be handy. And of course, this would not be applied to
toxics.<br>
<br>
I leak test these down to 1E-12 torr-liter/sec, so that would be my
goal. I imagine coaxial spinning of the fitting surface would be
best (not hand-held), but what final grit would be needed. Is
electropolishing absolutely necessary to get a good seal? This
would be very light polishing, not enough to flatten the bead of the
seal.<br>
<br>
Any trick to keeping the polished particles out of the bore, or just
an ultrasonic clean at the end?<br>
<br>
If it's impossible, that's good to know, as well.<br>
<br>
Thanks,<br>
<br>
<br>
Mac<br>
<br>
<br>
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