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s5 Poor quality prints AA0.8


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Posted · s5 Poor quality prints AA0.8


We have recently bought the AA0.8 nozzle for our s5 to speed up productivity.   We have been attempting to print visor straps but cant get the required quality.  We have tried with the cura presets but to no avail.  on inspection during the print i noticed that the nozzle was dribbling in some areas, never the wall but subsequent material would push these blobs to the surface creating a rough outer surface. we have tested with temp changes and speed,  does anyone have any ideas? any advice would be gratefully accepted!

Thank you




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    • 3 weeks later...
    Posted · s5 Poor quality prints AA0.8

    I'd be interested in hearing more input on this thread. We recently recieved an AA0.8 hotend for our S5, but are struggling to create the near-perfect prints we have grown to expect from our AA0.4 hotend. Our latest 0.8 print turned to Ramen noodles:




    We are using stock Cura profiles in 4.6.1, with the travel slowed to 35-40 and temp at about 208 (using Matterhackers Build PLA). Print bed is 60C with PEI surfacing (BuildTak). 


    What causes the "warts" protruding from the layers?





    And the ripply "blistered" look? 



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    Posted · s5 Poor quality prints AA0.8

    Printing with larger orifice print core requires fine tuning on temperature and retraction to avoid material drooling when moving from one part to the other. My suggestion is to print 2 or 3 part a time to dial in the parameters.

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