Re: [CAD_CAM_EDM_DRO] Re: Adding inertia to an axis

In a message dated 30-May-02 00:27:05 Central Daylight Time,
elson@... writes:

> The current approach is to mount a hollow round
> cavity to the shaft, and have a heavy metal disc free floating in the
> cavity.
> The cavity is partially or completely filled with a viscous oil to give the
> desired vibration absorption.

I wonder if the machining and bearings of the axis in question have not been
done so fine that there is simply insufficient FRICTION for steppers to work?
Some DRAG can do magic things to a stepper-system, sometimes! Jan
Rowland, Troll who's BEEN there, done that!


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