Re: [CAD_CAM_EDM_DRO] Re: Interface. Gauging interest.

----- Original Message -----
From: "Mariss Freimanis" <mariss92705@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Tuesday, May 16, 2006 10:37 AM
Subject: [CAD_CAM_EDM_DRO] Re: Interface. Gauging interest.


> OK, I stand corrected and chastized (about the g-code).
>
> Autonomous operation: Nearly 90% of our drives go into non-hobby, non-
> cnc applications. The majority go into industrial equipment. The same
> will eventually happen with the G-Rex.
>
> The vast majority of equipment requiring motion control has the
> controller performing the same task again and again for its entire
> service life. It gets programmed only once.
>
> Example: A G-Rex client runs a paper products firm. Paper passes over
> a roller and he needs to keep the paper edge from wandering left and
> right as it passes over the roller.
>
> The roller pivots at one end, the other end is driven by a step motor
> jackscrew. An optical sensor is located above the roller to "see" the
> paper edge. It feeds back to the G-Rex which then drives the
> jackscrew stepper to keep the paper edge centered under the sensor.
>
> One axis, one analog input. 24 hours a day, 7 days a week. No PC
> involved.
>
> Mariss
>
>
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "ballendo" <ballendo@...>
> wrote:
>>
>> Mariss, thank you for the reply. Snips/inserts follow below..
>>
>> >In CCED, "Mariss Freimanis" <mariss92705@> wrote:
>>
>> >>"ballendo" <ballendo@> wrote:
>>
>> >(re:g101)Only what's absolutely vital is there.
>>
>> >>(B)What if that was all you supplied? (okay, maybe a couple more
>> >> things)
>>
>> >The "couple more things" are vital.
>>
>> Some are.
>>
>> >Home switches. These have to handled locally because of USB
> latency.
>>
>> Yes. And estop.
>>
>> >Encoder inputs. For closed-loop operation; local again, same
> reason.
>>
>> No. only vital from your "high end" desire FOR closed loop--
>> unstallable stepper, etc.
>> (BTW, I DO love these things you're making possible, but we're not
>> talking love; we're talking markets...)
>>
>> >I/O. Vital for autonomous operation (no PC connected).
>>
>> No again. I don't care about autonomous operation, and neither do
>> many thousands of potential users.
>>
>> >>and #3 is just not true.
>>
>> >#3 is a totally egregious and inflammatory remark on my part.:-)
>>
>> <G>
>>
>> >What if I wanted all 6-axis to start and stop simultaneously, each
>> >at their new locations?
>> >I would send to the G-Rex:
>> >x123y456z789a321b654c987<CR> where the numbers are the end points.
>> >How would you write this in g-code?
>>
>> g1 x123 y456 z789 u321 v654 w987 fnn (all linear moves)
>>
>> Or: g1 x123 y456 z789 a321 b654 c987 fnn (linear and rotary moves)
>>
>> Or: g1 x123 y456 z789 p321 q654 r987 fnn (all linear moves)
>>
>> No problem. Next?<G>
>>
>> Ballendo
>>
>
>
>
>
>
>
>
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