Re: Geck G201

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]