RE: [CAD_CAM_EDM_DRO] PCB Milling / Routing

Sherline offers a pulley kit that puts the top spindle speed at 10K RPM.
Someone else offers an attachment for the Z axis carriage that will mount a
Dremel motor tool instead of the sherline variable speed motor.

-- Jerry

> I have a feeling that the spindle needs to run very fast (20 K
> RPM??), can that be done, if I run at only 3,000 RPM what will the
> drawbacks be cutting speed finish etc ??