Servo Spindle Speed / Position Mode Change - UC300ETH 5LPT #7

Published at : 23 Dec 2025

How to setup a servo motor in position / speed mode for your DIY CNC machine project. I want to use mine as a spindle motor + have to possibility to set my workpiece in the exact angular position to make keyways or maybe splines on shafts with my CNC lathe.
That feature might be really handy for more advanced CNC machine projects.

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UC300ETH-5LPT is an Ethernet CNC motion controller. Usable with UCCNC / Mach3 / Mach4.
It can control up to 6 CNC axes and it's stepping frequency is at its max 400kHz. It supports also rigid tapping with use of incremental encoders, linear scales, MPGs etc.
It supports servos and stepper motors which can be controlled by step/dir signals. Thanks to ethernet there is electrical noise protection.
This controller will be the heart of my new CNC lathe machine project.
More simple tutorial videos soon!

UC300ETH-5LPT videos:
Basic stuff 馃憠 https://youtu.be/OrV7TrJLEmY
AC Servo Setup 馃憠 https://youtu.be/FLCp3Wicnrg
MPG Setup 馃憠 https://youtu.be/FLCp3Wicnrg
Spindle Servo Setup 馃憠 https://youtu.be/yAUyZLDFwV8
Spindle Servo Encoder Feedback 馃憠 https://youtu.be/gsJFMksk1fc
Linear Encoder setup 馃憠 https://youtu.be/DAB9sNsBRV0
Spindle Speed / Position setup 馃憠 https://youtu.be/ivfOgT4wNmM

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