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C3DO

Discussion in '3D printers' started by crypt-tek, Nov 25, 2017.

C3DO

C3DO

Discussion in '3D printers' started by crypt-tek, Nov 25, 2017.

My first 3D printer build. It is almost complete and will be posting the first completed print shortly. I still need to mount the print spools and a couple other odd ends to complete this.

C3DO Core XY Large Format 3D Printer Enclosed printer Dual Extruder Custom Built
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  1. crypt-tek

    crypt-tek New
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    crypt-tek published a new build:

    Read more about this build...
     
    #1 crypt-tek, Nov 25, 2017
    cheaplicenseshop likes this.
  2. Michael.M

    Michael.M Veteran
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    This is your first 3D printer build? That's awesome! Nice work.
     
    #2 Michael.M, Nov 25, 2017
    cheaplicenseshop likes this.
  3. crypt-tek

    crypt-tek New
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    Yes first ground up build from scratch. Thank you.
     
    #3 crypt-tek, Nov 26, 2017
  4. Holy1

    Holy1 New
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    Nice build! Do you have a link to the RM2005-1250mm-C7 BallScrew? I've built 3 printers and I can tell you have put a LOT of time into this.
     
    #4 Holy1, Nov 26, 2017
  5. crypt-tek

    crypt-tek New
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    It was purchased on eBay the original seller does not have it anymore but there are several other sellers. It was from China
     
    #5 crypt-tek, Nov 26, 2017
  6. Trunkmonky

    Trunkmonky New
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    This thing is a work of art! May i ask where your inspiration came from?
     
    #6 Trunkmonky, Nov 27, 2017
  7. crypt-tek

    crypt-tek New
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    Honestly I did some early drawings in Sketchup with a basic shape and just continued adding and redesigning different aspects as I went along. No one machine inspired me, I just wanted to create a machine that worked and worked well. I was tired of prints failing because I bumped my smaller printer taking it out of alignment.

    So far I have wheeled this around a couple times, fired it up and printed a perfect print each time.

    I have been staring at it a few days now trying to decide how to mount the filament spools. Drawing a blank...
     
    #7 crypt-tek, Nov 28, 2017
  8. Scotty Orr

    Scotty Orr Journeyman
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    I can't tell from your photos if the PTFE fittings on the top of the machine are fixed or moving. If they are fixed, I think mounting the spools on top, directly above and as close as possible would be clean and easily accessible. If they are moving, maybe on the back of the machine (if room) with plenty of travel length for the tubes? just thoughts. Great looking machine, BTW!!

    Here's a quick render of an idea if those are fixed (mount lower rail centered between fittings and front to back):

    Screen Shot 2017-11-28 at 5.43.27 AM.png ​
     
    #8 Scotty Orr, Nov 28, 2017
    Last edited: Nov 28, 2017
  9. crypt-tek

    crypt-tek New
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    Thank you for the idea, they are fixed at the top of the machine. The top of the machine is where I am most likely going to place them. I am just trying to get them to blend with the rest of the machine and not look like I just threw rolls on top of the machine.
     
    #9 crypt-tek, Nov 28, 2017
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  10. Holy1

    Holy1 New
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    #10 Holy1, Nov 28, 2017
    Josh B and Scotty Orr like this.
  11. crypt-tek

    crypt-tek New
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    Oh I like that, it is a possibility. Although I am thinking as the printer is on casters and may move from time to time I'd like to support the spool from tipping side to side.
     
    #11 crypt-tek, Nov 28, 2017
  12. Scotty Orr

    Scotty Orr Journeyman
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    I really like those too! My spools have a 50mm id hole, so one set of those might fit in the inside hole of the spool.
     
    #12 Scotty Orr, Nov 28, 2017
  13. JohnSmithhart

    JohnSmithhart New
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    Dude this is awesome. Great work.
     
    #13 JohnSmithhart, Nov 28, 2017
  14. Trunkmonky

    Trunkmonky New
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    #14 Trunkmonky, Nov 28, 2017
  15. Jay Dickson

    Jay Dickson New
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    Absolutely beautiful. Do you have any examples of something you've used it to make?
     
    #15 Jay Dickson, Dec 20, 2017
  16. crypt-tek

    crypt-tek New
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    So far just a couple small things I've built for my kids testing the printer. I will upload shortly, I've been meaning to upload photos.
     
    #16 crypt-tek, Dec 20, 2017
  17. Bloodember

    Bloodember New
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    How do you have your electronics wired? The Rumba comes with stepper motors, but you show you also got some digital stepper motors also. I'm assuming your using the digital steppers over the ones that came with it. Maybe I'm just over thinking it.
     
    #17 Bloodember, Feb 10, 2018
  18. crypt-tek

    crypt-tek New
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    You are correct, the Rumba does come with slots for stepper drivers. However it is possible to take the enable signal and the step/direction signal directly from the rumba or any 3D printer board and run them directly into an external Stepper Driver. This allowed me to use higher torque stepper motors which required high AMP's. It also allowed me to use more stable drivers apposed to the DRV8825 or Step Stick A4988 eliminating over heating.
     
    #18 crypt-tek, Feb 10, 2018
  19. Bloodember

    Bloodember New
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    Ah, How do you wire that and what drivers did you use? I'm working on building a large scale printer and I'm researching electronics.
     
    #19 Bloodember, Feb 10, 2018
  20. crypt-tek

    crypt-tek New
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    This is a drawing I just whipped up, but basically you wire each slot for a driver to your external driver. Below would actually wire extruder #2 to an external driver but you do not need to do every driver only the ones which you would like to use larger motors. I am using these Digital Stepper Driver 1.0-4.2A 20-50VDC for Nema 17, 23, 24 Stepper Motor

    upload_2018-2-10_23-40-59.png
     
    #20 crypt-tek, Feb 10, 2018
  21. Bloodember

    Bloodember New
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    Thanks.
     
    #21 Bloodember, Feb 12, 2018
  22. Ryan155

    Ryan155 New
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    I love the layout. So much so that I am designing one myself. How is your z axis when it comes to wobble? The supported Cantilever isn't something I have seen before, have you tried running this through a large print at its full build volume? Does the Z axis configuration give you issues?
     
    #22 Ryan155, Mar 3, 2018
  23. crypt-tek

    crypt-tek New
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    I haven't ran a tall print yet, but so far no wobble. I will post some more pictures for you of the z-axis build later this evening.
     
    #23 crypt-tek, Mar 5, 2018
  24. Ryan155

    Ryan155 New
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    Yes please! thanks so much!
     
    #24 Ryan155, Mar 5, 2018
  25. crypt-tek

    crypt-tek New
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    Well unfortunately I did not get to this, sorry. I however will not forget! As soon as I can I'll post some more images.

    Thank you,
     
    #25 crypt-tek, Mar 6, 2018
  26. Marlowe

    Marlowe New
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    I am also anticipating more pics, or video!
     
    #26 Marlowe, Mar 29, 2018
  27. Weldon Smith

    Weldon Smith New
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    Would lover to see full build info
     
    #27 Weldon Smith, Apr 12, 2018
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  28. poddy71

    poddy71 New
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    Excellent build. Looks awesome. Would love to see a full build info also
     
    #28 poddy71, Apr 30, 2018
  29. IT-Pro

    IT-Pro New
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    This build is amazing. I've lurked here for a while, but had to register to see the higher res pics on this one and leave a comment. Outstanding workmanship here. Thanks for sharing.
     
    #29 IT-Pro, Jun 26, 2018
  30. Nikys

    Nikys New
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    Ахуенчик _! ))) Чётенько_!
     
    #30 Nikys, Jul 5, 2018
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