Re: [CAD_CAM_EDM_DRO] Re: Stepper Motor (was: Harrison Lathe and Gecko's)

Bernard R wrote:

>Terry,
>
>Testing with the megger will not harm the motor. Its purpose is to
>see if there is a breakdown in the insulation at high voltage.
>Readings coil/coil and coil to frame should be infinity, or very high
>(tens of megohms).
>
>

Many meggers put 1500 VAC on the motor windings! This would be expected
to break
down the insulation on a motor only rated to 65 V or so.

Jon