Re: Stepper motor replacement

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Marv Frankel" <Dcdziner@...>
wrote:

>
> Guys,
> I'm trying to help repair a router with an intermittent Y
> Axis. The original stepper is a 440 oz/in with a 3/8" shaft and 6-wire
> input. Oriental no longer makes that model, and suggested a PK296-03AA
> as a replacement, but that motor shaft is slightly longer, and 1/2"
> Dia. Any suggestions?
>
> Marv Frankel
> Los Angeles

I would swap motors with a different axis. intermitant seems to be
an odd problem with motors.

I would check for bad wires somewhere. Even from the PC to the
breakout board and then to the driver board.

if your breakout board has a replicator circuit and does not just pass
the signal that could be a problem as well.

If your board as an opto isolator check the voltage into it. LED's
do decay over time.

What lead you conclude it was the motor ?

Dave