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How to fix a clogged nozzle

Discussion in 'Troubleshooting' started by JDM_, Jul 11, 2013.

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  1. Electrocutioner

    Electrocutioner New Member

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    Im building an all metal hot end for my robo once i get it and can confirm some dimensions. It will be a high temperature annular hot end based off of my Tefstruder design on thingiverse. Shall i make two?
     
    #21 Electrocutioner, Jul 11, 2013
  2. 1d1

    1d1 Active Member

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    That sounds interesting to me. Fits RoBo? Cost? Maybe David and Matt will do a "lost PLA" cast from your prototype....
     
    #22 1d1, Jul 12, 2013
  3. Electrocutioner

    Electrocutioner New Member

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    machining the parts that could be cast is quicker than casting. Most of the work is in making the teflon insert (not a tube) and the heater (annular 100W heater) I use a special teflon, its thicker than the tube normally used. The nozzles i make are .30mm.

    It takes me a couple of hours to build the heaters, which Ive never had one fail, ever. Ive switched over to using a type K thermocouple, which is much more reliable than thermistors and way more accurate.

    as far as cost, let me see what mods i have to make to get it to fit on the robo once i get mine, but it should be competitive with the t-labs all metal if you want to use a j-heater end, or perhaps +$50.00 for my copper annular heater.
     
    #23 Electrocutioner, Jul 12, 2013
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  4. CAMBO3D

    CAMBO3D New Member

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    the point of an all metal hotend is to have no plastic in it. Teflon insert??
    so that's why all metal hotends can do 400c+
     
    #24 CAMBO3D, Jul 12, 2013
  5. JDM_

    JDM_ New Member

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    Here we go. Time to take this sucker apart.
    ImageUploadedByTapatalk1373660975.865651.jpg
     
    #25 JDM_, Jul 12, 2013
  6. JDM_

    JDM_ New Member

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    Hot end came out easily
    ImageUploadedByTapatalk1373662669.618075.jpg
     
    #26 JDM_, Jul 12, 2013
  7. Electrocutioner

    Electrocutioner New Member

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    cool!, you any good at drawing? if you can sketch me what you have there, i can get started even before mine shows up. Mostly need top groove diameter/depth and peek insulator dimensions.
     
    #27 Electrocutioner, Jul 12, 2013
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  8. JDM_

    JDM_ New Member

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    #28 JDM_, Jul 12, 2013
  9. JDM_

    JDM_ New Member

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    Ill get you what I can.
     
    #29 JDM_, Jul 12, 2013
  10. JDM_

    JDM_ New Member

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    ImageUploadedByTapatalk1373665280.261617.jpg
     
    #30 JDM_, Jul 12, 2013
  11. JDM_

    JDM_ New Member

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    Do you need anything else while I have it apart?
     
    #31 JDM_, Jul 12, 2013
  12. JDM_

    JDM_ New Member

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    The depth of that groove is betwee 1.5 and 2mm. It hard to measure.
     
    #32 JDM_, Jul 12, 2013
  13. CAMBO3D

    CAMBO3D New Member

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    if you go to the jhead wiki, it gives all the standard dimensions.
     
    #33 CAMBO3D, Jul 12, 2013
  14. tesseract

    tesseract Moderator
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    the screws were tight that was about all as far as difficulty goes it should have pretty much dropped out when the screw was removed the harder part will be getting it back in. A thing you may want to do if you see small grooves in that slot make note of how the nozzle is positioned in relation to them and make sure the ygo back to that same relationship when you put it back together. Then if you orient the nozzle the same way it was when it came out then the grooves should also line up and may make putting it all back together smoother
     
    #34 tesseract, Jul 12, 2013
  15. JDM_

    JDM_ New Member

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    I did Jeff. I took a pic of every step so it would go back the way it can apart.

    Jeff were you the one that posted the bed leveling solution? Could you post a link to this files. The forum is growing so fast I can find that post. Also I would love it if you would post a pic of that system on your printer so I will understand it better.
     
    #35 JDM_, Jul 12, 2013
  16. tesseract

    tesseract Moderator
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    As it turns out I tried printing them and I actually made the threads to fine for our ROBOs so I have to redesign the threads but will do so shortly and I will make sure you get the new files
     
    #36 tesseract, Jul 12, 2013
  17. JDM_

    JDM_ New Member

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    Thanks Jeff. That's one of the mods I want to make before I put the shell back on.

    Filament coming out much better now.
    ImageUploadedByTapatalk1373672998.256973.jpg
     
    #37 JDM_, Jul 12, 2013
  18. Harry

    Harry Team ROBO 3D
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    JDM what did you do?
     
    #38 Harry, Jul 12, 2013
  19. Seshan

    Seshan Active Member

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    #39 Seshan, Jul 12, 2013
  20. Electrocutioner

    Electrocutioner New Member

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    Perfect.. thanks!

    Sorry for late reply I had to go teach a bunch of school teachers all about 3d printing.. glad that's over :)
     
    #40 Electrocutioner, Jul 12, 2013
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