Re: [CAD_CAM_EDM_DRO] Re: spindle motors

ballendo@... wrote:

> Wally K wrote:
> >With a VFD you just use a standard 3 phase motor. Unless there is
> >something here i am not understanding.
>
> When someone specifies 'spindle motor', they usually mean a motor
> design which incorporates a spindle. Typical Mfr's are Perske,
> Colombo, Elte. High grade bearings and precision balancing and
> assembly make these units pricey, and quiet in operation.

Yes, a Kulicke & Soffa diamond saw spindle runs about $70,000!
It has air bearings and some of them run to 50,000 RPM or so.

Jon