Re: Fanuc Yellow Cap Motor

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "shadi_salhab_78" <salhab@...>
wrote:

>
> Hi all,
> I 've seen a NC controled Mill to retrofit , it has Fanuc motors but
> no writing on them (very old) the only thing that can I say that they
> are the Yellow Cap Type.
> Any one has info. for this type : AC or DC, Brush Type or Brushless
> Voltage/current/RPM etc...
>
> Thanks
>

The Fanuc yellow cap motors were (are? do they still make em?) DC
brush servomotors. No idea if the motors in question use resolvers or
pulse coders (encoders). The red cap motors are brushless, and the
black cap motors (like mine) are REALLY old :-)