Re: [CAD_CAM_EDM_DRO] Re: Interface. Gauging interest.

> It's not a matter of drive type but rather motor physics. Pulse-to-
> pulse period variations (phase jitter) imposes accel/decel loads on
> the motor. Satisfying these loads requires torque from the motor.
> This torque would have been available to the intended load absent
> this phase jitter.
>
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Codesuidae <codesuidae@...>
> wrote:
>
>> Mariss Freimanis wrote:
>>
>>>> ballendo wrote:
>>>>
>>>> What we truly need is a usb EQUIVALENT of the parallel port.
>>>>
>>>>
>>> That's just not possible for CNC programs that output step and
>>> direction signals from a parallel port. Step pulses have timing in the microsecond range.
>>>
>> You are of course presuming that microsecond precision is required.