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Solved Why do I get these lines on the side of my print?

Discussion in 'Troubleshooting' started by zenekNY, Sep 14, 2015.

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  1. zenekNY

    zenekNY Member

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    So after most of my issues pretty much out of the way, I find my printer printing these ridges on what's supposed to be a flat surface. [​IMG]
    Is there any way to fix it? What could it be?


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    #1 zenekNY, Sep 14, 2015
  2. Sonny's Robo3D

    Sonny's Robo3D Member

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    That is the famous z-ribbing. There are a few solutions on the forums (search around) - first one is to tighten the coupler nuts with the L-allen wrench supplied with your robo (if you have the Beta and R1 version). If you have the new R1 +Plus, you shouldn't get ribbing at all - you will need to contact the Robo tech guys about that one.
     
    #2 Sonny's Robo3D, Sep 14, 2015
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  3. zenekNY

    zenekNY Member

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    I don't know what's the difference between all of them. All I can tell is that it has a spool holder that attaches to the back of the printer. It has couplings with allen screws in them, it also has Z rod supports built in. Ohhhh! And a hexagon hot end


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    #3 zenekNY, Sep 14, 2015
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  4. Sonny's Robo3D

    Sonny's Robo3D Member

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    #4 Sonny's Robo3D, Sep 14, 2015
  5. zenekNY

    zenekNY Member

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    I will try tightening the couplings first and then if that doesn't work I'll print my own couplings. Do you think that I should use ABS? PLA doesn't seem to be that easy to tap in (hard and brittle)


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    #5 zenekNY, Sep 15, 2015
  6. daniel871

    daniel871 Well-Known Member

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    Just buy a couple of these better-made couplers and swap them out. http://www.amazon.com/gp/product/B00KHTVOEU
     
    #6 daniel871, Sep 15, 2015
  7. zenekNY

    zenekNY Member

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    I have to make sure that this is the right one for me.


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    #7 zenekNY, Sep 15, 2015
  8. daniel871

    daniel871 Well-Known Member

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    It's the same one used by a couple other forum users that didn't want to do the leadscrew upgrade.
     
    #8 daniel871, Sep 15, 2015
  9. Mike Kelly

    Mike Kelly Volunteer

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    I used those, they worked great
     
    #9 Mike Kelly, Sep 15, 2015
  10. Sonny's Robo3D

    Sonny's Robo3D Member

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    I also recommend you order those linked by daniel871 - they will work for you. You will need to tighten those every once in a while also because they will eventually loosen up and start wobbling again. The lead screw upgrade is the solution but I understand not wanting to spend 100 bucks on it.

    Question for you Zeke: How did you run the wires of the LCD? I'm not comfortable having them just sticking out the front.
     
    #10 Sonny's Robo3D, Sep 15, 2015
  11. zenekNY

    zenekNY Member

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    In front where the Logo is "ROBO3D (R)TM" I literally cut the "TM" letters out in the robo's enclosure out to get the cables through. I used a little 3mm drill bit to perforate a rectangle and cut the rest with a scalpel.


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    #11 zenekNY, Sep 15, 2015
  12. Sonny's Robo3D

    Sonny's Robo3D Member

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    That sounds cool - any chance you can show a pic?
     
    #12 Sonny's Robo3D, Sep 15, 2015
  13. zenekNY

    zenekNY Member

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    I'm not home at this moment, I'll post one in an hour


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    #13 zenekNY, Sep 15, 2015
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  14. zenekNY

    zenekNY Member

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    Not the cleanest cut in the world but it's not visible from the top. [​IMG]


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    #14 zenekNY, Sep 15, 2015
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  15. Sonny's Robo3D

    Sonny's Robo3D Member

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    Thanks for posting Zeke!!
     
    #15 Sonny's Robo3D, Sep 15, 2015
  16. zenekNY

    zenekNY Member

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    I ordered a pair of the better shaft couplings but still printed these out. Although the hole for a rod is 0.5mm smaller due to the Z ribbing.... [​IMG]


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    #16 zenekNY, Sep 16, 2015
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  17. zenekNY

    zenekNY Member

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    And they turned out to be too tight on the stepper shafts
     
    #17 zenekNY, Sep 18, 2015
  18. Sonny's Robo3D

    Sonny's Robo3D Member

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    Can't sand those down a bit? When I did it I had to sand them down a bit with a rotary tool
     
    #18 Sonny's Robo3D, Sep 18, 2015
  19. zenekNY

    zenekNY Member

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    I will print new ones probably a .1 mm larger in radius. Or 0.05mm or both and see which one works to avoid taking it apart twice


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    #19 zenekNY, Sep 18, 2015
  20. zenekNY

    zenekNY Member

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    I don't have many precision tools, . I could wire your entire house with my other tools but I just started collecting precision tools.


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    #20 zenekNY, Sep 18, 2015
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