Re: [CAD_CAM_EDM_DRO] new paradigm 6+3=9 bits: three S&D drives, 8 axes... , 3 bits spare

Let me know when you get all the kinks worked out, Doug. I'll probably want
to try it out on my DreamMachine

Smoke

> > I'm guessing your router kit could be set up using four axis and still
> > leave pinout room for spindle on, etc?
>
> Yes, the 6+3=9 scheme allows for 8 axes. You could have just four,
> and if this 'device' costs less than one driver (because you only need
> three drivers), you would be ahead. Actually, you'd probably only need
> two physical drivers, if you moved Z in a block separately from X & Y.
>
> But I am expecting to have many more than four.... perhaps 6,7 or 8.
> Implicit in my concept, but unstated in my original posting was that
> when an axis is not active (ie not connected to one of the 3 drivers),
> there is a dummy current fed to it in order for that motor to act
> as a brake and hold its position (especially the vertical axes which
> like to move on their own from gravity).
>
> > Could it then be used for a milling machine instead and the
> > axis switched as desired via any method we want (I'd switch
> > them using rotary gang switches.
>
> Sure, but you miss my point... I would be switching some of them
> at millisecond intervals (to simulate fulltime control of N axes).
>
> Even cycling the most heavily used axis (say X axis) amongst the
> three drivers to distribute the heat dissipation (and thus increase
> the equipments longetivity) is feasible.
>
> Doug Fortune
> http://www.cncKITS.com
>
>