Greetings All,
Sorry to revisit this after a long time but we are having the same problem. I gather from the last post that you are suggesting that for
the short steps the system stops the X and Y axes, turns the A axis ( knife ) and then starts again. This sounds reasonable except that
I have seen our machine do a 90 degree turn without hesitating ( at high feed rate ). This was a mistake in the G-code but Mach3 handled
it without a problem. It seems to me there is much more to this.
Could it be possible the small steps are messing with the tangential angle calculations? I imagine if the resolution of the calculations is poor the
angles calculated could fluctuate a lot. I haven't seen the knif swing wildly back and forth so maybe this isn't the case.
Unfortunately I am trying to diagnose this from a distance as the machine is at my brother's workshop 1700km away.
The system is a cutting table with stepper motors driven through a smoothstepper. Mach 3 is running in 2.5D mode with tangential steering of the
knife. The Z axis is wired to the spindle on/off output and is driven by pneumatics.
Can anyone offer any insight into this?
Cheers,
mike