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ASA print problems


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Posted · ASA print problems

Hello, i've started working with ASA recently because of the UV resistance and other good properties of the material. In the meantime weird stuff started happening on my printed objects. I hope somebody can tell me what is the problem and what am i doing wrong. I'm using Ultimaker Cura v4.5 with Creality CR10 S Pro. Below are some pictures of the problem.

Print settings: Extruder temperature - 255 C- tried with 245 C and same results. 

Bed temp  - 100 C.

Nozzle 0.8mm, 0.2 line thickness.

Fan not enabled

Printer enclosed

  I have also added pictures of cura settings.

Nozzle is lifted 0.2mm from the bed surface. 

Proximity sensor is inductive.

Z axis adjustment is -0.05 mm because if i leave it on 0 mm gaps betweeen printed lines appear.

IMG_20200424_090829.jpg

IMG_20200424_090840.jpg

IMG_20200424_090856.jpg

IMG_20200506_081401.jpg

IMG_20200506_081428.jpg

IMG_20200506_081439.jpg

IMG_20200506_081447.jpg

Cura 1.JPG

Cura 2.JPG

Cura 3.JPG

Cura 4.JPG

Cura 5.JPG

Cura 6.JPG

Cura 7.JPG

Cura 8.JPG

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    Posted · ASA print problems

    Not sure I have an answer to your query but one thing to help you out in future maybe: you can export a project file from Cura (File > Save as...) and anyone who opens it will have your exact settings so you don't have to make screenshots. it will export as a 3mf.

     

    Off the top of my head your images indicate under extrusion or high nozzle temperature. Perhaps you could use one of these preconfigured profiles https://marketplace.ultimaker.com/app/cura/materials/3DXTECH/3DXTECH_ASA_2019

     

    They're optimized for UM machines but you could use as a basis for your machine.

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