Hello,
I just purchased a Denford Orac and I am trying to convert it to more modern electronics. Before I tear it apart, is there anything that can be reused? Such as the drivers: do they take common step/dir signals so that I can use them with a parallel port breakout board? The VFD: can it be controlled via relay + PWM for the RPM?
New electronics and PC will fit in the box below. I should still have enough room to fit a cooling system bay in there.
In terms of hardware, I will try to keep the current stepper motors, even if they are only 150ozin / 1Nm. Same for the spindle motor, gonna see what type of cuts can that 0.37kw take. I currently have an Optimum TU2004 (30mm between centers) and the spindle motor is almost half the size of the Orac, for a 0.55kw output. Probably around 20 years gap between their manufacturing dates.
A couple of photos of the Orac:
Denford Orac Conversion
All info relating to the Denford ORAC CNC lathes
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