Re: [ATM] Polishing with WAO?

[John Lynch <john_lynch2006@yahoo.com>]

Mel,

I've heard two opposing bits of advice regarding good
polishing technique:  one says that you want to hear
squeaking during polishing, and the other says you
don't want to hear it.  Which is it?

John Lynch


--- Mel Bartels <mbartels@bbastrodesigns.com> wrote:

> > How do you manage this? Any hi-tech secrets?
> Steroids?
> 
> 
> 1. Cut polishing time in half by using pro grade
> finishing grit (MicroGrit 9
> micron is fine) with a light touch for the final 1/3
> wets
> 
> 2. Microfacet, microfacet, microfacet
> 
> 3. Embed the polishing compound in the pitch
> immediately
> 
> 4. Use heaviest pressure possible with very slow
> strokes: it's the
> pressure+water+polishing compound that controls
> polishing rate with slower
> speeds resulting in more polish compound interaction
> that speeds polishing;
> mirror and pitch should feel warm to the touch after
> a polishing session
> 
> 5. Avoid any testing: it destroys the goal of
> polishing and psychologically
> guarantees a doubling of time to finish
> 
> 6. Keep in mind that glass can be polished in
> minutes, albeit not the final
> quality we want in our reflective optics.  As
> polishing proceeds, gradually
> switch from a 'complete the polish' role to 'optical
> surface for figuring'
> role.  For the majority of polishing, concentrate
> on... polishing!
> 
> Mel Bartels
> 
> 
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> 


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