Thread: First Proper CNC Router
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17-12-2019 #11
Last Activity: 17-08-2024
The max frequency for a GRBL on an arduino is 30kHz, which effectively limits me to 1/8 anyway.
I just tried running a motor off the machine, with zero load, and it's 50:50 if it will run at 900rpm, which is only equivalent to 4.5m/min. I can feel the motor start to vibrate as it accelerates up to speed.
Going to try tidying up the wiring to see if that helps. Got twisted pair for the control side. For the motor side, this might be a silly question, should I run all 8 wires all the way to the driver and connect the pairs there, or join the pairs close to the motor and just run 4 wires from there. For the purpose of testing I'm not using shielded cables at the moment, would that impact motor performance at all?Last edited by diycnc; 17-12-2019 at 11:45 PM.
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