[amayausers.com] Re: Getting down
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- To: amayausers@xxxxxxxxxxxxx
- Date: Fri, 13 Mar 2009 07:44:04 UT
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I did notice a bit more hum in the motors over V7 and attributed this to
changed tuning parameters. I didn't give it much thought, and understand why
this occurs in these sorts of systems, or at least why it occurs with servo
motors. Not 100% sure how a stepper can become unstable, but my experience with
stepper systems was in an "open-loop" (no position feedback) configuration.
Thank you for reminding me that there is a hook timing adjustment. When I get
brave I will try that procedure. I have run a design on V9 OS that worked
without issue, but the latest does not without the thread snaping back out of
the needle on every trim. I ran the same file using V7 - no problem.
Maybe it's because I turned on the tie-off always option on that design? At any
rate, I am forwarding the problem to the government to see if I can some
bail-out money... :)
Dennis
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