Re: [CAD_CAM_EDM_DRO] weird motor problem on my cnc mill

skykotech wrote:

>
> I am experiencing a strange problem on my x axis motor on my cnc
> mill. The motor is a Fanuc 0, 56V DC brush, 4 pole. One direction
> the motor runs smooth, the other direction it growls and shudders.
> I took out each of the four brushes and they look perfect. Peering
> at the commutators, they look perfect too. The bearings *feel* ok
> when you turn the shaft of the motor either direction by hand. I
> ran the motor off of a 1 volt supply and it spins in both directions
> without stalling.

Check your encoder, swap it with another axis if possible to see if the
problem follows the encoder or the Gecko. Also check if the Gecko is
getting warm, mine was acting up until I put a fan on the heatsink. Ed.