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  1. #1

    How many Extruders possible on a RepRap?

    What's the most extruders that anyone has jammed into a RepRap? I'm now strongly considering building one. Is it possible to build a monster of a printer with a ton of Extruders? I'm very unfamiliar with RepRaps, so please forgive me.

    I know it's probably possible to have 4 extruders. Can you have more than that?

  2. #2
    Technologist
    Join Date
    Oct 2013
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    Honolulu, HI
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    It seem to me that there isn't any physical limit. Probably is a practical limit though. There are a few four nozzle extruders coming to the market now. Not sure how they work but might give you some ideas. The Kraken (http://e3d-online.com/The-Kraken) is a bowden fed four nozzle hot end. I guess you could put two of them on a reprap fairly easily to get eight different colors.

  3. #3
    I honestly don't see a need for more than 4 extruders (at least not yet with current technology).

  4. #4
    Student BlackDragon's Avatar
    Join Date
    Dec 2013
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    St. Louis, MO
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    21
    Part of it depends on your electronics. The current RAMPS board (1.4) has hookups for two extruders. I'm not sure about other controllers.

    If you're handy as circuit work, you *could* add more extruder controllers. Then, you'd have to modify your code for extruder selection and offsets.

    I agree with NJ. There really isn't a practical need for more than three or four heads.

  5. #5
    Technologist
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    Oct 2013
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    I think that the Azteeg x3 controller will do four extruders now. Personally, I've never felt the need for more than one extruder but I can also see the cool factor in having more.

  6. #6
    I like the idea of 4 extruders, but never really have a need for them. Why would you want more than 4? I don't really see any reasonable explanation.

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