Re: I am loosing one step. weir!

--- In CAD_CAM_EDM_DRO@y..., JanRwl@A... wrote:
> In a message dated 27-Jun-02 20:13:52 Central Daylight Time,
> luisguillermo98@y... writes:
>
>
> > Sure I can try that. but I just wanted to know why it keeps doing
it.
> > I need to know if this is a software bug or an stepper issue.
>
>
> Both, actually. But one of the little "things in life" one must
deal with,
> like friction! If you suddenly reverse-step stepper-motors, the
normal
> "ringing" that might be handled just fine if stepping stopped for a
time, or,
> another axis were "suddenly" chosen. BUT, if you reverse-step the
SAME axis,
> the motor is "still ringing", so the motor can integrate this into
a phantom
> step. Hard to describe without a pad and pencil and show-and-tell
time. As
> I said, you can "fix this" by putting a delay-loop after each step-
out
> command. In BASIC, this could be as simple as a single-line FOR-
NEXT loop
> like this:
> 100 STEP XF (Step X forward)
> 110 FOR I=1 TO 10:NEXT (Added DELAY-LOOP)
> 112 STEP XR (Step X reverse)
>
>
> [Non-text portions of this message have been removed]