Re: [ATM] Voice coil actuators

[Dominic-Luc Webb <dlwebb@canit.se>]

Yupp!

Dominic

On Thu, 23 Nov 2006, Frank Billig wrote:

> google for "Magneto Rheological Finishing"
>
> Frank
>
> Dominic-Luc Webb schrieb:
> > Or even make it oscillate by inducing a field.
> >
> > Dominic-Luc Webb
> >
> >
> >
> > On Wed, 22 Nov 2006, Don Clement wrote:
> >
> >
> >> One more thought: If a polishing compound such as rouge had a magnetic
> >> orientation, then it might be possible to impart a "bias" to the polishing
> >> compound embedded in pitch using a static magnetic field.
> >>
> >>
> >>
> >> -Don
> >>
> >>
> >>
> >>
> >>> Another thought would be to use magnetic induction to directly vibrate a
> >>> magnetic polishing agent in suspension such as red or black rouge.
> >>>
> >>>
> >>>
> >>> Don Clement
> >>>
> >>> Running Springs, California
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>  Dominic-Luc Webb wrote:
> >>>
> >>>> One thought I could contribute is that if the coil can generate
> >>>> vibration and there is force behind this, then the coil itself
> >>>> could maybe drive the polishing by forcing particles against
> >>>> the glass surface. In other words, the polishing agent would be
> >>>> directed against the surface by same physical principles as
> >>>> Brownian motion. In this case, molecular volume (V) and its
> >>>> relation to particle rotation and motion are defined by the
> >>>> Stokes and Perrin equations, etc. Adding vibration to the system
> >>>> should increase particle motion. I have not thought much on
> >>>> this, but I think the underlying physics is pretty obvious to a
> >>>> lot of people here. I guess the voice coil could serve as a kind
> >>>> of sandblaster replacement. On the other hand, I have toyed
> >>>> around with more conventional techniques to blast particles onto
> >>>> the glass, so my voice coil proposal is little more than a
> >>>> high-tech modification of a technique most of us already grasp.
> >>>>
> >>>>
> >>>>
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> >>>
> >>>
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