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ACORN - REAL-TIME feed rate adjustment from spindle RPM

Posted: Tue Feb 20, 2018 9:12 pm
by ALVARO
Hello!

getting ready to convert to ACORN from my mach3 kASUGA knee mill conversion-


is it possible with Acorn to sense spindle RPM and then adjust feedrate acordingly (with some math)?

thank you!

Re: ACORN - REAL-TIME feed rate adjustment from spindle RPM

Posted: Wed Feb 21, 2018 11:10 pm
by frijoli
Feed per revolution!
If you have an encoder on the spindle it works like a charm!

Re: ACORN - REAL-TIME feed rate adjustment from spindle RPM

Posted: Thu Feb 22, 2018 6:57 am
by diycncscott
Yes. Parameter 78 can be configured to either wait for the spindle to each programmed speed before axes move and/or adjust the axes feedrate up/down as the spindle slows or speeds up due to load conditions