On 06/06/2017 09:31 AM, jeremy youngs wrote:
Good day folks. Im waiting for ebay to drop this at my door
https://www.google.com/url?sa=t&source=web&rct=j&url=http://spectechind.com/Documents/KB/KBMG-212D-manual.pdf&ved=0ahUKEwjM6aSAtqnUAhUG3IMKHcT_CUgQFggqMAA&usg=AFQjCNGFBaUXQadurcokpyECREPoUQtv-A&sig2=Pi3K5iam1Y-9UdVNt5mrew
. It calls for a tach/generator my google foo shows them to be very cost
prohibitive. I have so far only setup stepper system. I am using this as a
spindle drive on my mill 90 v treadmill motor. I want to be able to rigid
tap. My question is can I just use an encoder and have Linux cnc control
the position ? I think so but before I order an encoder I would like to
know .
Big problem with KB drives is they are NOT isolated from the
power mains. So, your source of the speed command must be
isolated. Tach generators are really just DC brush motors
wound to be free of voltage ripple. Maxon makes some nice
small motors that make excellent tachs. You can often find
them surplus for under $10.
Jon
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