Re: DeskCNC Capabilities

Fred,

Thank you for the update. I wrongly assumed that since DeskNC was so
limited, that DeskCNC would be also...

Will look forward to the ability to use unequal Arc axis SPMM.

Ballendo

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Fred Smith <imserv@v...>"
<imserv@v...> wrote:

> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "ballendo <ballendo@y...>"
> <ballendo@y...> wrote:
> > Hello all,
> >
> > Two things to know about DeskCNC:
> >
> > Steps must be integer units, 1996.76 SPI is not allowed. You

either

> > use 1996, or 1997 in this example...
> >
>
> This has never been the case for DeskCNC.
>
> The scaling of the steps and microsteps is calculated in terms of
> steps per mm, out to about 5 or 6 decimals.
>
> >
> > And possibly more important: Both X and Y must have the same

number

> > of steps per unit for arcs to work.
> >
>
> This is still an advertised requirement. Arcs presently require

the

> same scaling in X and Y axis. This means the same pitch, gearing,
> and steps/rev ratios on X and Y. Will probably change soon. The
> most common type of machine using different X & Y ratios seem to be
> CNC routers/plasma with a long X compared to a much shorter Y

axis.

> These tend to need higher topend speeds as well as well. 150-200

ipm

> vs 15-25 ipm for milling steel and aluminum.
>
> Fanout on all axes is 25 ma/ea. Can only drive one Gecko per

axis.

> Slaved A axis to X is also in the works for machines with two X

axis

> motors.
>
> Best Regards,
>
> Fred Smith - IMService