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10

In the diagram, they do show the wires connecting together, which is right. You can accomplish that just about any way you like, so long as you pair up the wires correctly from one motor to the other. I'm assuming both "Z" motors are the same type and have the same color-coding for their wires. If not, you'll need to figure out the correspondences first (...


8

For some unknown reason, everywhere everybody is saying that Z stepper motors need to be connected in parallel... And this was always the only obvious way, until recently some people started to connect these motors in series. And I personally started to believe the right way is to connect them in series. All stepstick drivers are some kind of current ...


5

There are very many combinations that will work. A bipolar stepper has 2 coils. Swapping the coils, or reversing the polarity of a coil, will simply cause the stepper to rotate in the opposite direction. On RAMPS, one coil should connect to 1A and 1B, whereas the other coil should connect to 2A and 2B. On the stepper, one coil is A+ and A-, the other coil ...


2

It was the stepper driver, Replacing the motherboard fixed the issue.


2

Each axis is fine using a different stepper size and/or quality. You will still need to tune their operating current and steps/mm for each of course. Make sure your motor mounts fit too. Where it might become challenging is if you wanted two different steppers on the SAME axis. As in, a NEMA17 + NEMA23 for a dual Z axis. I don't think this is what you intend ...


1

The sounds are mainly caused by the bed resonating with the stepper motor, and this will vary with the speed of the stepper motor. The best solution is to use "silent" stepper motor drivers (e.g. Trinamic), but you may be able to reduce the noise by: Reducing the belt tension as much as possible. Changing your print and/or move speeds. Fitting a stepper ...


1

Cherry 3D printer with Nema 17 = Small Prusa i3, so the screws are the same M3 with the length you need according your mounting upgrade.


1

You could absolutely do that. Ultimately, the amount of current you can push through a wire/breadboard/connector depends on its resistance: for a given current I, a component with a resistance of R will have a voltage drop of V = I x R across it, resulting in a power dissipation of I^2 x R watts. I measured the resistance of breadboard traces to be around ...


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