Re: Nema 42 3100 oz/in motors will not move

Where is the free TurboCNC to try? The only site I could find was
not free and it would take time to order.
thanks
Keith Clark

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "turbulatordude"
<davemucha@j...> wrote:

> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Keith Clark" <mail@t...>
> wrote:
> > I now have Nema 42 3100 oz/in motors in my Bridgeport retrofit.

I

> > have tired everything I can figure out to get them to work with

the

> > current software from CamSoft. I am being told that the Gecko
> > drives and the stepper motors are proper by the motor

manufacturer

> > Anaheim Automation. This is because I can make the motors move

the

> > x axis at 120 ipm using their step pulse generator. All these
> > comparisons are being done with the same Gecko drives,

powersupply

> > etc. (However, the step pulse generator has a potentiometer that
> > gradually increases the step pulse rate rather that ramp it up

by

> > accellerating the step pulse rate.)
> >
> > The motion control board/software company, CamSoft, says it is

not

> > their board or software that is the problem and that the motors

are

> > underpowered. They feel the torque falls off and causes them to
> > stall at 20 ipm when using their stepper board and software. I
> know
> > the motors are capable of much higher rpms as described in the
> above
> > paragraph.
> >
> > Can anyone explain this paradox? Got any ideas?
>
> Yup,
>
> radio shack and a printer cable. A perf board or a breakout board

to

>
> wire the gecko direct to the PC via the printer cable and try Turbo
> CNC. it's free to try and easy to use.
>
> It needs a DOS booted PC (not a wondowz dos box).
>
> Total cost about an hour or so of your time and less than $20.00

from

> radioshack.
>
> That takes the control hardware out of the picture and leaves you
> with the driver and motor and power supply.
>
> Dave