Anything special to do after changing to 9° steppers?
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Besides changing the steps/mm? Anything that can be adjusted to take advantage of the extra steps or just run it?
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To get high speeds using 0.9deg motors, you may need to use 24V power if you don't already.
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What do you consider to be high speeds?
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You can work out what supply voltage you need to maintain torque up to your chosen target speed. See https://duet3d.com/wiki/Choosing_stepper_motors#How_to_work_out_the_power_supply_voltage_you_need.
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I see you had issues at 150mm/s. I am good at 90, so I think I'll stick with 12 volts. Appreciate the link.
