Re: [CAD_CAM_EDM_DRO] Re: spindle motors

Marcus & Eva wrote:

> Hi Jon:
> I run 9 hour shifts, 6 days a week. My spindle run time is about 60%.
> I cut 90% plastics, 5% aluminum and 5% steel on this machine.
> I cut dry 100% of the time in plastics, and I do squirt can lube with
> aluminum and steel.
> But: my spindle can't weigh more than 3 or 4 pounds, and I think that is
> what makes the biggest difference.
> They are also small diameter and close to the spindle nose.
> The whole setup is more like a powerplane or a router, than a milling
> spindle.

WOW! I'd like to know what bearings are in that thing, and what the lube is!
That is quite impressive, assuming you are running near the top speed end
most of the time on the plastics.

Jon