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Help in first double-material print


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Posted (edited) · Help in first double-material print

Hello, I've designed a double material screw/nut metric measuring device. 

Used RS Pro 2.85 PLA for the whole body, and Ultimaker Tough PLA 2.85 for the numbers and letters. 

 

My print obviously has some issues: The white on the letters got a bit messy, specially around the 6mm measure mark, and the orange covers the white in some parts.

Also, it burned near the 70mm measure mark for some reason.

Additionally, the piece bended. It's mostly clear on the diameter measurements, some can't even fit the screws on one of the sides. Also can be seen in the "glass finish" on the bottom (the edges are not "glassed" uniformly)

 

I'm guessing I need different print settings, but what could they be?

Orange PLA = 213º 60º 60mm/s

White Tough PLA = 212º 60º 45mm/s
Edit: 0.1mm layer height

 

 

 

 

IMG_20220412_113427.jpg

IMG_20220412_113501.jpg

IMG_20220412_113517.jpg

Edited by ATS_DEMUC
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    Posted · Help in first double-material print

    I increased the Tough PLA temperature and decreased the speed. 

    Added 2 layers of the white numbering on the drawing, to decrease the probability of mixing with the orange.

    Added bonding spray to the table before printing (I never do this)

     

    Still have issues with bending on the side edges (on the screw diameter measurer), how can I avoid that?

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    Posted · Help in first double-material print

    I think to do this correctly, you will have to use TWO different .STL files, one for measuring tool and one for numbers, them put the numbers on top of the tool in cura.

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    Posted · Help in first double-material print
    19 minutes ago, Carbon said:

    I think to do this correctly, you will have to use TWO different .STL files, one for measuring tool and one for numbers, them put the numbers on top of the tool in cura.

     

    That's exactly what I did. 

     

    My question was about quality of print, since stringing is very common when one nozzle stops extruding and the head moves to change to the other nozzle. Strings of both materials get entangled and mess up the print.

    I've decreased the impact of this problem afterwards by adding 2 layers of the white filament, to cover any previous entanglement. 

     

    But I have warping/bending issues on the side, and now I wanted help with that

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