Re: [CAD_CAM_EDM_DRO] Re: spindle motors

Marcus & Eva wrote:

>
> I have done all sorts of abusive things to this spindle with never a burp!
> I have crashed, I have run unbalanced cutters at 7000 rpm (flycutters and
> stuff), I have taken heavy cuts, I have run at 8000 rpm from a cold start,
> and I have never, ever serviced the spindle.
>
> Maybe the sensitivity of these systems is overstated??
>
> >
> >They use super-exotic bearings, special lubricants, and active cooling
> >systems to keep the bearings from getting hot. And, they have to
> >replace the bearings fairly often, too. (Really often if coolant gets
> >into them.)

Well, this is from shops that run high speed for 8 hours a day or more.
If you use it like I use my machine, that would be more like every
25 years!

Jon