Re: upgrade strategy

Did you really mean 18 ohms? It should be 18,000 (18K) Ohms.

Mariss

--- In CAD_CAM_EDM_DRO@y..., "keongsan" <keongsan@y...> wrote:
> Hi,
>
> I have upgraded the power supply to a 36VDC secondary, and reading
at
> the rectified, filtered output showed 59VDC. However the G201 still
> can only manage 14ipm with the Sherline and 3.2V 2A steppers (half-
> coil) with set-resistor 18 ohm. Seeing other reporting much higher
> speed, I can only assume that the following may be the cause of the
> low performance:
>
> 1. unshielded 22AWG motor cables (less than 2 feet)
> 2. less than satisfactory pulse train. (deskNC for windows)
> 3. unshielded data cables. (used stranded cables before. Now
replaced
> with solid core twisted pair taken from those cables used for
wiring
> computer network)
>
> The problem is getting suitable shielded cables. Supplier only sell
> such cables in large roll. Any suggestion how I can begin to try to
> tackle the above?
>
> Thanks
>
> keongsan