Re: [CAD_CAM_EDM_DRO] Re: Lead screws - made more accurate

Hey now I actually had a problem on the production floor chased down to
the air conditioner comming on. Wasn't using an interferometer, that
air blast was enough though to throw the parts out of tolerance. When
your machining parts a few microns thick thermal issues are very real.

Dave


turbulatordude wrote:

>We don't all need ground
>
>
>>ballscrew driven carriages with air bearings on polished granite
>>
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>ways
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>>and closed-loop control monitored by three laser interferometers
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>per
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>>axis.
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>I think that by limiting yoruself to only 3 interferometers per axis
>adds too much uncertanty. what if you are standing too close to one
>and your body heat throws off the internals ?
>
>for that matter, what if your air conditioning supply diffuser is
>blowing one one part of one of the ways.
>
>you would need an interometer on each side of each rail on an axis,
>just to get started !
>
>ha, imagine only using three.. talk about trying to get away for
>cheap!
>
>
>Dave
>(just kidding)
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