Re: Geck G201

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]