Re: [CAD_CAM_EDM_DRO] pressure vs. feed B/Saw pwr dnfeed was Re: I need a latching relay...or do I?

ballendo@... wrote:

> Dave,List,
> Also, should our CNC machines have "adaptive" feedrates? (now it's on
> topic<g>) Tie the servo feedrate to the spindle amps or some similar
> idea...

I like the idea of closing the power/feed loop. Makes too much sense...scary. <g>
Part of the feed thing may depend on how good the blade guides are and the span vs. blade size.

Dave

>
>
>
> Ballendo
>
> --- In CAD_CAM_EDM_DRO@y..., dave engvall <dengvall@e...> wrote:
> > Doug,
> >
> > Consistent feed rate should come from a motor not
> > a hyraulic cylinder which would give consistent
> > pressure or force. Not quite the same thing.
> > Maybe a dc motor with speed control driving a
> > screw or ball-screw.
> > Naturally, once you get hydraulics set for a
> > given cut it should be OK.
> >
> > Sorry that I think different or am so picky. Just
> > the way it is.
> >
> > Dave
>
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