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Dual Extruder Nozzle Diameter


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Posted · Dual Extruder Nozzle Diameter

Hallo,

first of all congratulstions for your good work with providing a dual extruder for Ultimaker 2. I am unfamiliar with 3D printing but would try a project with Ultimaker 2 dual extrusion. For this I have the following questions:

 

Can both extruder nozzles have different diameters?

I would need one nozzle with original diameter 0.4 mm and the other with 0.2 mm. Can this work with the larger nozzle at normal printing speed and the smaller at reduced speed?

How can these parameters be selected in Cura?

Do you supply different nozzles sizes and what are the costs?

Are there any problems known with dual extruder ABS printing?

Which retraction parameter should be used for extruder change?

 

Thank you for your help.

 

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    Posted · Dual Extruder Nozzle Diameter

    Hi Patent,

    The experimental dual extrusion kit is meant for the UMO (Ultimaker Original). It was announced this week that dual extrusion will not become available for the UM2. At least not from Ultimaker themselves.

     

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    Posted · Dual Extruder Nozzle Diameter

    Hallo all

    How about this,

    Cyclops - from E3D.

    http://e3d-online.com/Multi-Extrusion/Cyclops

    The Cyclops

    2 In, 1 Out - Switching HotEnd

    Cyclops introduces a new way of printing multiple materials not yet seen before in commercially available hotends. By taking 2 input materials and printing them alternately from a single nozzle Cyclops is able to eliminate ooze problems that are inherent in most conventional dual extrusion systems. This new approach has been working excellently for us in testing at E3D, but we are releasing it now as an experimental product as we are still figuring out the best techniques for using this new HotEnd type.

    cyclops_standing_300px.jpg

    - See more at: http://e3d-online.com/Multi-Extrusion/Cyclops#sthash.xUj1XmP2.dpuf

     

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    Posted · Dual Extruder Nozzle Diameter

    I think its not moor wasteful than change the color by another spool.

     

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    Posted · Dual Extruder Nozzle Diameter

    You are right. It should be the same amount and then it is pretty wasteful since you may have to do this at every layer.

     

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    Posted · Dual Extruder Nozzle Diameter

    I think its not moor wasteful than change the color by another spool.

     

    If you do an Atomic when changing there's basically no waste as the nozzle will be completely empty and you wont have to "flush" it.

     

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    Posted · Dual Extruder Nozzle Diameter

    and it will be cleaner than doing a purge

     

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