Re: [CAD_CAM_EDM_DRO] R2E4 retro?

mater365 wrote:

>Does anyone know of a retro kit for a R2E4 cnc mill that is broke
>down? I don't know if it is better to replace old electronics with a
>new kit since it is so old. Can the exsiting servo motors be used?
>
>

There may be kits, but they can be quite expensive. If open-loop
between the computer and servo drivers is OK, you can use Gecko 320
drives and just about any program that runs steppers from the parallel
port. The Gecko drives read the step pulses and control servo motors.
I'm assuming this machine doesn't have manual handles, so you really
have no need for a DRO function when the servo drives are not in
control of the machine.

You definitely should be able to use the motors and encoders.

My experience is that it is DEFINITELY better to replace old, tired
electronics with new stuff that you understand and can keep running.
The old stuff will just keep breaking down, and the cost of repair
boards will put you in the poorhouse real quick.

As well as Gecko, there is also Rutex, which does a pretty similar
thing.

Jon