My boss used to run DG machines- their top-loader used a 3-phase AC motor.
He told me today about the time an electrician wired the motor up with the
phases wrong and it rotated in reverse, and apparently not quite fast
enough. The drive would start to load the heads, then snap them back and go
into fault. No one could figure out why. Then an older DG engineer asked,
"which way is that drive rotating?"
At 05:55 PM 2008-03-18 +1030, you wrote:
What size motor was typically used in a 14-in fixed
drive, and what
sort of mechanical interface did a disk pack have with the spindle or
hub? I haven't been able to find any really clear pictures or
diagrams of the mechanics of such units.
-Bobby
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