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[5.9.0-beta.1] Print Head Drops to Z=0 When Coasting is Activated #19810

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cytron369 opened this issue Oct 26, 2024 · 6 comments
Closed

[5.9.0-beta.1] Print Head Drops to Z=0 When Coasting is Activated #19810

cytron369 opened this issue Oct 26, 2024 · 6 comments
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Status: Under Investigation The issue has been confirmed or is assumed to be likely to be a real issue. It's pending discussion. Type: Bug The code does not produce the intended behavior.

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@cytron369
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Cura Version

5.9.0-beta.1

Operating System

Linux

Printer

Creality Ender 3 SE

Reproduction steps

  1. Open Ultimaker Cura.
  2. Load any 3D model for printing.
  3. Enable the Coasting feature in the print settings.
  4. Start the print and observe the behavior of the print head when reaching a seam or corner.
  5. Note that the print head drops to Z=0 instead of maintaining the correct print height.

Actual results

The print head drops to Z=0 when reaches seam and corners in any model.

Expected results

he print head should maintain the correct print height and not drop to Z=0 during seams or corners, even with Coasting enabled.

Add your .zip and screenshots here ⬇️

test.zip
@cytron369 cytron369 added Status: Triage This ticket requires input from someone of the Cura team Type: Bug The code does not produce the intended behavior. labels Oct 26, 2024
@cytron369
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In the gcode (in test.zip) you can see Z0.00 belong the file (in seam and corners each layer).

@HellAholic
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Hey @cytron369 ,
Thanks for the report, I'll add a ticket to be addressed for Stable.

@HellAholic HellAholic added Status: Under Investigation The issue has been confirmed or is assumed to be likely to be a real issue. It's pending discussion. and removed Status: Triage This ticket requires input from someone of the Cura team labels Oct 26, 2024
@HellAholic HellAholic self-assigned this Oct 26, 2024
@HellAholic
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Internal reference:
CURA-12244

@HellAholic HellAholic removed their assignment Oct 28, 2024
@odenibsb
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The same happens here with a kossel mini diy.

@alfredogluque
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Hello everybody! I can confirm this bug, it happened to me also. The 'Z0' gcodes don't appear if I disable Coasting. Thanks Cytron for pinpointing the culprit parameter.
Cheers!

@HellAholic
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Resolved in Ultimaker/CuraEngine#2163

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@alfredogluque @HellAholic @odenibsb @cytron369