Re: [CAD_CAM_EDM_DRO] Re: Tree J300 PC control

vrsculptor wrote:

> --- In CAD_CAM_EDM_DRO@y..., Jon Elson <elson@p...> wrote:
> > dkmach2 wrote:
> >
> > > Hi,
> > > My name is Denis Knobloch, I own a tool and die shop. I just
> > > purchased a Tree J300, regretfully, the machine is dead. I found a
> Gents,
> General Tree Info: The Tree controller is a very strange beast
> hardware wise. I looked it over and only saw TTL chips. It had Treat
> functionality including being able to learn and replay. The encoders
> are standard BEI 5 volt quadrature, 1000 pulse/revolution. The servos
> are 90 volt 4 brush DC (never get warm...). Ball screws everywhere, 0
> backlash, turcite box ways. Existing servo amps are servo dynamics +-
> 10 volt differential with tach feedback and if my experience is a
> guide probably good. Spindle contol on mine was also a standard
> (big!) servo drive.

Wow! This is good info. It sounds like this would be much better to
keep as a straight servo machine. If dkmach2 would like to use the
EMC program with it, I have an interface setup that will read the
encoders and drive the Servo Dynamics amps. See
http://pico-systems.com/PPMC.html for more info.

Jon