RE: [CAD_CAM_EDM_DRO] Re: Tuning Steppers?

I set my feed rate to 3" per minute. With the step count of 4000 steps
to the inch you will hear the steay drone of the stepper. Turn it down
from the factory default position and it tend to get a lot louder and
rougher, Turn it up from the low point and it will get quieter then
louder and rougher. The quietest place on the trim pot is the null
point. set it for that. You should have any problem recognizing the null
unless you have a hearing problem.
Dan

-----Original Message-----
From: JanRwl@... [mailto:JanRwl@...]
Sent: Friday, June 27, 2003 1:17 PM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: Re: [CAD_CAM_EDM_DRO] Re: Tuning Steppers?


In a message dated 6/27/2003 3:14:33 PM Central Standard Time,
dmauch@... writes:

> You tune it until you hear the null.

Yes, my point! If you don't have "perfect pitch", how can you then
"tune"
those with instruments! What does one LISTEN for?





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