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When using ADAPTIVE_STEP_SMOOTHING the potential torque of the motors are severely limited. The motor current have to significantly increased (at the range of 900 to 1000mA in my case) to prevent skipped steps above acceleration 5000 mm/s^2.
Bug Timeline
No response
Expected behavior
The motors motors could output the same torque as without ADAPTIVE_STEP_SMOOTHING.
Actual behavior
Pulling the acceleration above 5000 with ADAPTIVE_STEP_SMOOTHING increases the potential of skipped steps in some machines.
Steps to Reproduce
Enable ADAPTIVE_STEP_SMOOTHING in the firmware
Begin to increase the acceleration, see where it starts to produce skipped layers.
Considering this is highly machine dependent, confirm the results with the same acceleration (that caused shifting) with ADAPTIVE_STEP_SMOOTHING disabled.
Version of Marlin Firmware
Marlin bugfix-2.1.x
Printer model
Custom built machine
Electronics
SKR MINI E3 V3
LCD/Controller
Ender 5 plus factory DWIN display
Other add-ons
Direct drive module with a 42-40 motor attached
Bed Leveling
ABL Bilinear mesh
Your Slicer
Prusa Slicer
Host Software
SD Card (headless)
Don't forget to include
A ZIP file containing your Configuration.h and Configuration_adv.h.
Did you test the latest
bugfix-2.1.x
code?Yes, and the problem still exists.
Bug Description
When using ADAPTIVE_STEP_SMOOTHING the potential torque of the motors are severely limited. The motor current have to significantly increased (at the range of 900 to 1000mA in my case) to prevent skipped steps above acceleration 5000 mm/s^2.
Bug Timeline
No response
Expected behavior
The motors motors could output the same torque as without
ADAPTIVE_STEP_SMOOTHING
.Actual behavior
Pulling the acceleration above 5000 with
ADAPTIVE_STEP_SMOOTHING
increases the potential of skipped steps in some machines.Steps to Reproduce
ADAPTIVE_STEP_SMOOTHING
in the firmwareConsidering this is highly machine dependent, confirm the results with the same acceleration (that caused shifting) with
ADAPTIVE_STEP_SMOOTHING
disabled.Version of Marlin Firmware
Marlin bugfix-2.1.x
Printer model
Custom built machine
Electronics
SKR MINI E3 V3
LCD/Controller
Ender 5 plus factory DWIN display
Other add-ons
Direct drive module with a 42-40 motor attached
Bed Leveling
ABL Bilinear mesh
Your Slicer
Prusa Slicer
Host Software
SD Card (headless)
Don't forget to include
Configuration.h
andConfiguration_adv.h
.Additional information & file uploads
Find my configuration.h and configuration_adv.h on the links.
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