Re: Servo issue

Sounds like an encoder problem to me. Check the connections between
the encoder and the drive. Seems like there may be a loose
connection.



--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Jason Cox" <sinergy@o...>
wrote:

> Hi everyone,
>
> I have a retrofitted rf-45 mill/drill, using ametek servo's with

us digital encoders fitted. All is driven by gecko 320's and cncPro.

>
> I havent got around to fitting limit switches yet and the other

day somehow the machine was bumped and the x axis driven to the
right into its stop, it stayed that way for some time until i
noticed smoke from the x axis motor.

>
> I stipped everything down and concluded that the smoke was from

the resin in the motors windings, however the motor seems to run
perfectly with no issues.

>
> I hooked everything back up an switched on, the g320's resetted

and held position. a few minutes later the thing started driving to
the right by itself, just like when a g320 breaks its lock range.

>
> Its unpredictable when this will happen, and I can jog the x axis

fine but then all of a sudden, bang it starts going to the right,
sometimes after 2 seconds sometimes after 10mins.

>
> What could this problem be, maybe the encoder? or have I damaged

the g320 through heat? I thought the g320 would fault if there were
problem.

>
> Any help would be greatly appreciated, Im off to install some

limit switches!

>
>
> Thanks,
>
> Jason Cox
>
>
>
>
> [Non-text portions of this message have been removed]