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Questions about stepper motors, a motor type commonly used in 3D printers.
1
vote
X carriage "vibrates" on small segments
The overall torque, and thus the incremental torque is less with your new stepper, this may result in less smooth operation because of moving the weight of the carriage (e.g. when you have a direct extruder … Maybe the Vref has not been adjusted correctly, or the stepper is just not working for your application. …
1
vote
Accepted
Replace X axis motor with different model
(I'll use the original wheel)
Yes, you do not have to change anything, other than the Vref of the stepper driver.
Did the vendor send me a motor with inferior performances? …
0
votes
Anet stepper (42SHDC3025-24B) pinout?
Stepper motors are DC motors that usually have multiple coils, organized in groups called "phases". … The stepper in question has two phases, energizing each phase in sequence, the motor will rotate, one step at a time. …
1
vote
MKS base 1.5 (E0 & E1) not working
The OP has solved the problem as read from a comment on a deleted answer. So far the OP has been reluctant to post the answer; therefore his comment is converted into a community answer.
It appears …
1
vote
Steppers don't work as expected while printing
I've looked into your configuration file of your firmware but cannot find anything that describes this odd behavior. You have used some conservative settings regarding printing acceleration. What cann …
1
vote
Stepper motors making noise after steps/when idle
This is controlled by the stepper driver. The creation of the signal for the magnetic coils is causing the noise. … If the stepper motor, stepper driver and power supply can take it, increasing the current setting of the driver may lower the noise. …
5
votes
Classifying method of control of 3D printers?
The question is if robots classification terminology the textbook sketches applies to 3D printing?
Servos (closed loop) are used in robots to guarantee position (you don't want to accumulate an error …
1
vote
MKS-SBASE V1.3 Marlin Stepper Motor Current
:
They use DRV8825 stepper drivers which are much more prone to loosing steps than Allegro or Trinamic drivers
DRV8825 driver current cannot be changed from firmware like e.g. …
4
votes
Accepted
Adjust E-step on Ender 3
If there is no interface to set the value through the display, you can always set the E-steps per G-code.
M92 Set axis_steps_per_unit
There are at least 2 options, the first is to connect a USB cabl …
8
votes
Accepted
Full steps mode for Z axis stepper controller
Many boards use dip switches to select the (micro) stepping mode of the stepper driver. E.g. a RUMBA board has dip switches located underneath the stepper driver boards (e.g. DRV8825 or A4988). … So with every revolution of the stepper (200 steps) the nut advances 8 mm which translates to 8/200 = 0.04 mm per step of 1.8°. …
3
votes
Why do different drivers change the noise of steppers?
To make a stepper perform a step, block signals are send to energize the coils to position the rotor. Such a block signal causes abrupt motion and triggers harmonic frequencies. … This is audible as stepper noise. If the block signal is smoothed, the motion is more fluent and less noise will be observed. A similar effect is achieved using micro-stepping. …
1
vote
Accepted
How to accurately synchronise dual Z-axis when two steppers motors are used?
There are a few options when adding an extra stepper motor, the usual upgrade is using a single stepper driver, driving 2 steppers either serial or parallel connected, or using 2 stepper drivers, this … The two stepper motors push up a reasonably low mass for what the stepper motors can generate, certainly for the Z-axis as these are driven by lead screws. …
2
votes
Marlin 2.0.x bugfix: how do you define a specific driver to be used when driving a specific ...
I guess you are asking to swap drivers, this should be done on microcontroller pin level in the pins_[board_type].h file from Marlin. This has been described in e.g. this answer.
Or, do you mean:
#def …
1
vote
Y-stepper very hot on 4.2.2 board?
The Creality 4.2.2 board uses A4988 stepper drivers which set the current through the steppers via a potentiometer on the driver itself. … Although the stepper motor we’ll use here is rated for 0.9 A, we should never set it to its maximum current capacity. …
4
votes
Accepted
Anet A8 Installing second extruder without changing board
The Anet A8 board has 4 integrated (A4988) stepper drivers, one for X, one for Y, one for Z and one for E (extruder 0). … Both Z steppers are controlled by a single stepper driver (they are wired in parallel to the single Z stepper driver), there is nothing to free up nor is there to configure in Marlin without replacing …