![]() Check the locking collars on the leadscrews to make sure they are tight and not allowing end play on the screw. ![]() If you can’t turn them by hand, or they are very tight, back off the adjusters a bit. Wheels should be tight, but you should still be able to turn them manually with your fingers. You should not feel any “clicking” or free play in any axis. Circles should be round and same radius all around, squares should be square and same width as height.Ĭheck to make sure all axes have zero play by grabbing the carriage and trying to move it side to side, forward and back, and up and down. Check the motor and driver wiring to make sure you don’t have a loose connection on the motor leads or one of the driver inputs.ĭo a simple g-code program with just a few circles and squares, run it, and measure them for size. I wouldn’t use 1/16 unless you have high torque motors. I also think you should use maximum 1/8 microstepping. I wouldn’t recommend taking driver power from the controller, because you could be drawing almost 12A if all 4 motors are running at once, who knows how thick the traces on the controller board are? Do not daisy chain driver power together, run separate wires to the supply for each driver. You should have each stepper driver power input wired directly to the power supply thru 5A fuses.
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