There are several issues with the printing quality, including Stringing, poor print quality, and Z-seam leakage.
¶ 1.Stringing
Stringing refers to the phenomenon of uneven and rough texture on the surface of 3D printed parts, resembling "strings". This may be caused by printing speed being too fast, improper temperature, or unstable extrusion speed of the extruder.
Solution:
1) Lower the printing speed, especially for complex geometries or high-precision parts.
2)Ensure that the printing temperature and material type match the requirements of the part and material. It is recommended to set the temperature based on the recommendations of the material supplier.
3)Check if the extrusion speed of the extruder is stable, and avoid extruding too fast or too slow.
4)Increase the Retraction Speed or Travel Speed, especially for large flat parts or models with long travel distances. (After slicing the model, click on Preview -> Check "Travel" in the Show column)
¶ 2.Poor Printing Quality
Poor printing quality usually refers to rough surface, unclear details, and inaccurate shape of the printed parts, which may be caused by inappropriate printing parameters, improper equipment adjustments, or poor material quality.
Solution:
1)Check the printing parameters, including layer height, infill density, printing speed, filament diameter, etc., to ensure that they match the requirements of the printed part and material.
2)Ensure that the printing bed is leveled and adjust it in a timely manner to avoid quality issues caused by uneven bottom surface of the part.
3)Use high-quality printing materials and avoid using expired, leaky, or moisture-absorbed materials.
¶ 3.Z-Seam position
Due to the structure limitation of FDM-type printers, it is almost impossible to completely eliminate the Z-seam. It will always be somewhat visible. However, with carefully adjusted settings, it should not be too noticeable.
Steps to view Z-seam in slicing software: After slicing the model, click on Preview -> Check "Seams" in the Display column.
Solution:
1)Use the Spiral vase mode: In the slicing software, you can use the Spiral vase mode to wrap the outer surface of the model with a shell, thereby hiding the internal Z-seam. A larger shell thickness can usually better hide the Z-seam. You can try increasing the shell thickness to reduce the visibility of the Z-seam.
2)Adjust the position of the Z-seam: In the slicing software, you can try adjusting the position of the Z-seam to hide them as much as possible. You can choose to place the Z-seam at the edge, corner, or less prominent position of the model to reduce its impact on the appearance of the model.
The above are some methods to try to hide the Z-seam in the model, and the specific effects may vary depending on the printer, material, and settings. It is recommended to adjust and optimize based on the specific situation to achieve the best printing quality.
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