On Tue, Sep 11, 2007 at 08:57:48AM -0500, Chris Radek wrote:
> 
> If your spindle drive can do this (you can test
> with S300 M3, then M4) it will tap just fine.  You should pick a
> speed that allows the spindle to reverse in "a few" turns.

One more thing I remember hearing: VFDs may need a braking resistor
to do this.  But others will know more about it than I do.


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