Re: Geck G201

I have no idea what you are capable of getting out of your setup, I
can only speak to mine. Tuning is a big part of it.


Barry

--- In CAD_CAM_EDM_DRO@y..., "luisguillermo98" <luisguillermo98@y...>
wrote:

> so you are telling me I can not get about 30ipm with those drivers?
>
> that's not good. I thought I could get more out of those drivers..
>
>
>
> -- In CAD_CAM_EDM_DRO@y..., "fast1994gto" <beking@h...> wrote:
> > Use decent motors, a fast enough computer, and a fast enough
> control
> > mechanism. I run EMC on a P-III 600. I have various steppes

from

> > Eastern Air Devices, Vexta and Superior Electric. In general,

use

> > lots of voltage as described elsewehere. It depends upon the
> > combinations of things in the mix, and determining how they
> interact
> > is in the messages archives here, the same place I got it.
> >
> > There are many combinations of motors, power supplies, computers
> and
> > controllers that will work very well just so long as they all

work

> > together.
> >
> > Note that the math below was wrong but I corrected it in a
> subsequent
> > post.
> >
> >
> > Barry
> >
> > --- In CAD_CAM_EDM_DRO@y..., "luisguillermo98"
> <luisguillermo98@y...>
> > wrote:
> > > SO how can I get 20ipm to 30ipm with a gecko.. my system is

very

> > slow
> > > right now.. I am not using gecko but I'll get it soon..
> > >
> > >
> > >
> > >
> > > -- In CAD_CAM_EDM_DRO@y..., "fast1994gto" <beking@h...> wrote:
> > > > You need this sometimes when the indexer has a hard time
> > generatig
> > > > the number of pulses required to actually get some speed out

of

> > the
> > > > motors.
> > > >
> > > > Here's an example:
> > > >
> > > > Taig 2019 mill with 20 pitch leadscrew. Thats 0.05" per
> > revolution
> > > > of the screw or 20 turns per inch. At 10 microsteps per step
> and
> > > 200
> > > > steps per turn and 20 turns per inch that works out to a
> whopping
> > > > 40,000 pulses to go a measily inch. Let's consider an

indexer

> > that
> > > > can (only) crank out 8kHz or 8,000 pulses per second.
> > > >
> > > > 40,000 pulses/inch / 8,000 pulses/sec = 5 sec/inch
> > > >
> > > > Expressed more naturally that is 0.2 inches/sec (IPS). That
> > works
> > > > out to a paltry 2.4 IPM. That really sucks. You want 20-30
> > IPM.
> > > > That would require up to 500,000 or 500 kHz worth of pulses.
> > > >
> > > > Some indexers (or slower computers) will struggle with
> producing
> > > that
> > > > many pusles. Hence the rate (pulse) multiplier. It buys you
> the
> > > > headroom on your indexer to produce fewer pulses whilst
> allowing
> > > you
> > > > to retain the advantages of the smooth microstepping Gecko
> drive.
> > > >
> > > >
> > > > Barry
> > > >
> > > > --- In CAD_CAM_EDM_DRO@y..., JanRwl@A... wrote:
> > > > > In a message dated 14-Feb-02 11:29:09 Central Standard

Time,

> > > > > spambox@r... writes:
> > > > >
> > > > >
> > > > > > Okay, stupid newbie question: what's the multiplier do

and

> > why
> > > do
> > > > I want it?
> > > > >
> > > > >
> > > > > NOT a "stupid newbie question"! I am an OLD member, and I

am

> > > STILL
> > > > waiting
> > > > > for this same explanation myself!
> > > > >
> > > > >
> > > > > [Non-text portions of this message have been removed]