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NEW Y Axis Linear Motion System and Print Bed Upgrade

Discussion in 'Mods and Upgrades' started by Jerry RoBo 3D, Jan 25, 2014.

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  1. Clark Sechrest

    Clark Sechrest New Member

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    I just got my new bed installed, does anyone have instructions on the SD card slot install, I also purchased the auto bed level parts and was wondering if there were instructions on how to install this system?
     
    #301 Clark Sechrest, Jun 20, 2014
  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    #302 mark tomlinson, Jun 21, 2014
  3. Clark Sechrest

    Clark Sechrest New Member

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    I got it all installed auto level and all, i went to run a print after the upgrades and everything went normally except the print bed wont heat, I am pretty sure i have it all wired up correctly has anyone else had this issue?
     
    #303 Clark Sechrest, Jun 21, 2014
  4. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Well, I had an issue with the wires being crossed from the bed harness. One of the bed heater and one of the thermistor wires were swapped in the connector.

    The 'tell' was the zero reading on the bed--it was not even reading ambient. When I traced the wires back I found the cross-up and redid the connector they provided to sort it out. Once those were swapped it heated normally.
     
    #304 mark tomlinson, Jun 21, 2014
  5. mike m

    mike m New Member

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    installed the upgrade last night and everything went well. the only issue I have is the bed will now only travel y+, not y-. everything else seems fine. any ideas?
     
    #305 mike m, Jun 24, 2014
  6. SteveC

    SteveC Well-Known Member

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    Does Y move freely by hand?
     
    #306 SteveC, Jun 24, 2014
  7. mike m

    mike m New Member

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    Yes. Manual control in repetier all works except one direction in y
     
    #307 mike m, Jun 24, 2014
  8. mike m

    mike m New Member

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    got it. wires were plugged unto board backwards
     
    #308 mike m, Jun 24, 2014
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  9. warlocke

    warlocke Active Member

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    So I have to say the LM8U bearings supplied with this kit are a major fail.
    Mine were so bad they would not rotate around the rod. I made sure to clean the rods thoroughly in case there was any grit. Moving them along the rod felt like grinding sandpaper.
    I checked each one individually and they all exhibited the same effects.
    The bearings themselves looked ok. They were not damaged and looked to be well lubricated. It's their overall quality that fails.

    I swapped them out with ones I had from Misumi and it was an insane improvement.
    The Misumi's fit the rods perfectly, rotate freely and glide along them like a hot knife through butter.

    The Robo bearings are going in the trash. Those things would have never worked. My stepper probably couldn't put out enough torque to move them and would have burned up.

    I still think the kit is a fairly good deal, but they could have sourced a better set of bearings. These are crap.
     
    #309 warlocke, Jun 25, 2014
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  10. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Did the bearing upgrade as per warlocke.
    Much better, less noise, easier to move the Y carriage. Will be able to actually print test when the bed gets back from Robo HQ, but I see no downsides to this.
     
    #310 mark tomlinson, Jun 26, 2014
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  11. John Rygg

    John Rygg Active Member

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    Can you post where you sourced the bearing upgrade from and what the part number was ?

    thanks (yet to receive my bed upgrade)
    John


    Never mind found it on the previous page . my bad
     
    #311 John Rygg, Jun 26, 2014
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  12. nak1017

    nak1017 New Member

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    What order number is currently being shipped?
    Just want to get an idea of delivery date...
     
    #312 nak1017, Jun 30, 2014
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  13. Dark09

    Dark09 New Member

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    I think they are going out-of-order again with purchases. My order# is 2373, and I haven't received an email thus far.
     
    #313 Dark09, Jul 1, 2014
  14. warlocke

    warlocke Active Member

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    Keep in mind they are having to redo all of the heated bed connectors due to the poor quality of ones they got shipped (for both the upgrade kits and the new printers). This will most assuredly slow them down as they are not only rebuilding the ones in stock, but they are having to rebuild the ones they already shipped that are being sent back.
    A certain nightmare for them that they were not expecting and especially as they were starting to ramp things up.
     
    #314 warlocke, Jul 2, 2014
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  15. Al Booth

    Al Booth New Member

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    Any update on these? Order #2427 placed mid-April.

    Also, can I add the bed leveling kit to this order?

    Thanks
     
    #315 Al Booth, Jul 15, 2014
  16. Invertmast

    Invertmast Active Member

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    The Y axis belt holder on mine cracked 2 weeks ago and I have been CA gluing it ever since while waiting for a replacement from Robo... Tonight i got tired of waiting and just drew one up and printed it. If anyone needs one, here's the file:

    http://www.thingiverse.com/thing:396823
     
    #316 Invertmast, Jul 15, 2014
    6 people like this.
  17. collin

    collin New Member

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    I am so freaking angery how the hell do i attach this. @tesseract
    and yes IMG_20140723_153516010.jpg this is the bed that came with the rails
     
    #317 collin, Jul 23, 2014
  18. Invertmast

    Invertmast Active Member

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    Those magnets sticking above the Y axis end caps should be glued to the print bed
     
    #318 Invertmast, Jul 23, 2014
  19. Mike Kelly

    Mike Kelly Volunteer

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    #319 Mike Kelly, Jul 23, 2014
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  20. collin

    collin New Member

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    #320 collin, Jul 23, 2014
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