Kirk Wallace wrote: > This is what I got with 2.3.0 and the previous threading sample with > 4=0.08333 at 400 RPM: > > http://www.wallacecompany.com/machine_shop/HNC/HALscope_2.3_threading.png > > Previous (2.2.8): > > http://www.wallacecompany.com/machine_shop/HNC/4at083333-2.png > > 2.3.0 seems to be much better, but the HALscope is still interesting. It > seems to get more unstable as the cut progresses? > > Well, the spindle is loaded down with the cutting effort, and may have some vibration due to that. The Z axis may be trying to follow those small fluctuations. Before, I think there was a LOT of low-pass filtering on the spindle velocity, which may have been part of the problem.
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