Thread: CNC Mill Transformer
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Unread 25-09-2005, 17:29
sanddrag sanddrag is offline
On to my 16th year in FRC
FRC #0696 (Circuit Breakers)
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Re: CNC Mill Transformer
Quote:
Originally Posted by rees2001
when power was cut the spindle would drop 2 microns (I was told).
If you are worried about 2 microns why are you building FRC robots instead of high precision satellite instruments? Two microns is less than one ten-thousandth of an inch. How would you ever be able to see or measure the spindle dropping by this minuscule amount? Most common CNC milling machines can keep a tolerance of at most around 4 ten-thousandths if they are fairly new, high quality, and properly maintained and operated. So even if the spindle would drop 2 ten-thousandths, there is still nothing to be concerned about. If it were to drop 2 one-thousandths, then I'd look into the problem (well, actually have a service rep look into the problem) because that is a pretty good amount (thickness of a sheet of paper). So, did you mean thousandths instead of microns?
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