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Showroom My 6DOF with DIY Actuators

Discussion in 'DIY Motion Simulator Projects' started by Vitalius, Sep 1, 2018.

  1. Vitalius

    Vitalius Active Member

    Joined:
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    My Motion Simulator:
    Arduino, Motion platform, 6DOF
    Thanks for asking, I got my replacement Sabertooths 2x60 back and installed and actually everything is ok. Only I have a new little problem. A stöhr noise.A video recording is still under construction

    Attached Files:

  2. Vitalius

    Vitalius Active Member

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    My Motion Simulator:
    Arduino, Motion platform, 6DOF
    :thumbs:grinactually I have to sleep long ago
  3. hannibal

    hannibal Active Member

    Joined:
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    Ratings:
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    My Motion Simulator:
    3DOF
  4. hannibal

    hannibal Active Member

    Joined:
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    My Motion Simulator:
    3DOF
    im thinking of shielding the hall sensors using USB wire (just discovered today testing a the hall sensor cause i was checking gear play and mistakenly reached the 10 turn limit for gear misalignment..STUPID ME ALMOST BROKE 30$ hall sensor)... USB cable has shielded 4 wires!!!

    and using coax cable for the link between arduino and sabertooth...
  5. Vitalius

    Vitalius Active Member

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    My Motion Simulator:
    Arduino, Motion platform, 6DOF
    Hello. thanks for the feedback!
    So the noise comes from engine 2 in the photo with the arrow.
    Two motors run with the hall sensors marked H in the photo.

    Attached Files:

  6. Vitalius

    Vitalius Active Member

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    My Motion Simulator:
    Arduino, Motion platform, 6DOF
    Here is a video of Tonight or this morning.
  7. Vitalius

    Vitalius Active Member

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    My Motion Simulator:
    Arduino, Motion platform, 6DOF
    Then I installed "Folding ferrite filter sheath current ferritic core suppression". Link
    Marked in the photo with green dots.
    And suddenly the 10-12K noise is gone!

    I have to test a lot! Wait, I hope that is not a random. By the way, I only use a shielded cable everywhere. He is not grounded!

    Attached Files:

    • Like Like x 3
  8. SilentChill

    SilentChill Problem Maker

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    Railway Maintenance
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    My Motion Simulator:
    DC motor, Arduino, Motion platform, 6DOF
    All I have ever used is Cat5 cable for my pots never ever had any issue with noise
  9. Vitalius

    Vitalius Active Member

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    My Motion Simulator:
    Arduino, Motion platform, 6DOF
    I have to absolutely look at your electrical installation or your RIG. Maybe I did something wrong with my installation. Maybe you have done something better ;-), or have better engines :).
    Did you ground your shield?
  10. SilentChill

    SilentChill Problem Maker

    Joined:
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    Occupation:
    Railway Maintenance
    Location:
    Morecambe, Lancashire, England
    Balance:
    18,700Coins
    Ratings:
    +3,152 / 31 / -0
    My Motion Simulator:
    DC motor, Arduino, Motion platform, 6DOF
    Mines a right botched job :D it's not grounded and I use the same cable for the limit switches too.
  11. Vitalius

    Vitalius Active Member

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    My Motion Simulator:
    Arduino, Motion platform, 6DOF
    And how is it with you? What's new with you?
  12. hannibal

    hannibal Active Member

    Joined:
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    My Motion Simulator:
    3DOF
    nothing much. still building. workin on the pulley and hall sensor assembly.
    im trying to keep my spirits up.
    your posts keep me going.
    its a long road, especially when using hand tools.
  13. Vitalius

    Vitalius Active Member

    Joined:
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    My Motion Simulator:
    Arduino, Motion platform, 6DOF
    Last change to my Actuators.
    I had to realize that my limit switches break out of each other.
    I bought new ones that are bit more robust and had to match the holders for new switches.

    Attached Files:

    • Like Like x 1
  14. Vitalius

    Vitalius Active Member

    Joined:
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    Balance:
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    +68 / 1 / -0
    My Motion Simulator:
    Arduino, Motion platform, 6DOF
    Two out of four 360 degree Hall sensors have been installed for more than a month and run flawlessly.
    I still have to block it. A lot of work!

    Attached Files:

    • Like Like x 2
  15. Vitalius

    Vitalius Active Member

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    My Motion Simulator:
    Arduino, Motion platform, 6DOF
    And I will replace all sliders that are not so stable against new sliders printed with 100% feel

    Attached Files:

    • Like Like x 1
  16. hannibal

    hannibal Active Member

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    My Motion Simulator:
    3DOF
    keep going brotha! i am also back at building my pot assemblies!

    but my opinion is that i dont think having the tension on the pot is a good idea..
  17. Vitalius

    Vitalius Active Member

    Joined:
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    My Motion Simulator:
    Arduino, Motion platform, 6DOF
    The toothed belt wheel is immersed in the housing so that the tension of the toothed belt wheel is absorbed by the housing. This creates a bad ball bearing with a lot of friction. I will show the 3d drawing later. The normal cheap potis have been held for almost 6 months.
  18. Vitalius

    Vitalius Active Member

    Joined:
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    My Motion Simulator:
    Arduino, Motion platform, 6DOF
    The Pulleyslides or lies on the housing.

    Attached Files:

  19. Vitalius

    Vitalius Active Member

    Joined:
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    Balance:
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    Ratings:
    +68 / 1 / -0
    My Motion Simulator:
    Arduino, Motion platform, 6DOF
    I still have so much work!
    The here with gas spring is also in planning.
    I am not sure yet how much pushing force should I take. And if that works

    Attached Files:

  20. hannibal

    hannibal Active Member

    Joined:
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    Balance:
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    Ratings:
    +110 / 1 / -0
    My Motion Simulator:
    3DOF
    im hoping to finish my actuators by mid month if not but the end of month. i have tons to do as well...im not where looking at gas struts yet..
    • Funny Funny x 1