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Dual core/color strange layers


NickB

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Posted · Dual core/color strange layers

Hi guys I have this strange 'problem' when printing with 2 cores.

 

I printed this model with 0.2 mm layer height, but when the second core starts printing it looks like 0.4mm layer height.

It looks like one layer is slightly more inwards than the other layer and the second core does exactly the same but on the other layer.

123492052_dualcolor.thumb.jpg.0418795379cd8dafddd89ba4daf1ae3a.jpg279858843_dualcolorzoomed.thumb.jpg.39978ff2cd037595f001606b5cd2f38f.jpg

I'm sorry for this weird explanation but I don't know how else to say it. 😉

 

This happens with (1)PLA and (2)PLA but also with (1)PLA and (2)PVA 

1206593662_dualcore.thumb.jpg.3fd5f1a6173ab616dfac3945888d78e8.jpg

 

Has enyone seen this before and/or has a solution for this?

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    Posted · Dual core/color strange layers

    It looks like the even and uneven layers consistently are shifted half a mm? But both are still present, it seems. Are both nozzles seated correctly in their holders, without any play? Or is the switching mechanism causing the issue?

     

    Maybe you can see if there is any play, if you watch closely while making a small test print?

     

    But I don't have a dual nozzle printer, so I am just guessing.

     

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    Posted · Dual core/color strange layers
    On 10/25/2019 at 5:37 PM, geert_2 said:

    It looks like the even and uneven layers consistently are shifted half a mm? But both are still present, it seems. Are both nozzles seated correctly in their holders, without any play? Or is the switching mechanism causing the issue?

     

    Maybe you can see if there is any play, if you watch closely while making a small test print?

     

    But I don't have a dual nozzle printer, so I am just guessing.

     

    Yes the nozzles are seated correctly without any play. 

    I will be printing dual color again today so i will take an other look.

    The strange thing is, is that I work with 2 Ultimaker S5 printers and both of them have this issue. 

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    Posted (edited) · Dual core/color strange layers

    When I watch the printer work it lays down 2 layers of core 1 and then 2 layers of core 2 but in an uneven pattern

    as an example: (core one is infill and core 2 is for walls)

    Core 2 lays down all bottom layers *switches to core 1

    Core 1 lays down 1 layer of infill *switches to core 2

    Core 2 lays down 2 layers of walls *switches to core 1

    Core 1 lays down 2 layers of infill *switches to core 2

    And it keeps going like this.

     

    Edited by NickB
    extra info
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