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RB's 6DOF DIY Race Sim Actuator

Discussion in 'DIY Motion Simulator Projects' started by Rick Bouchereau, Jul 11, 2021.

  1. Rick Bouchereau

    Rick Bouchereau New Member

    Joined:
    May 10, 2021
    Messages:
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    My Motion Simulator:
    6DOF
    Greetings everyone. I'm sharing the start of my project after getting inspiration from the members on this forum. Specifically I am using @Peacemaker105 simulator as a basis of design.

    Design fundamentals:
    • 80ST-M02430 with AASD15A servo driver
    • 1605 500mm Ballscrew
    • Thanos AMC-AASD15A controller
    • Numerous PETG 3D printed parts (downloaded and designed form scratch)
    • 10mm wall clear acrylic tube for the Ballscrew housing
    • T-Slot Aluminum Extrusion Base
    • Square Carbon-Fiber Tube frame for the motion platform
    • VR rather than screens
    I started with the actuator to prove the concept and will be building 5 more of these now that I am satisfied with the results. I'm 3d printing the almost 24/7 at this point. I'm continuing to work on the base and the motion platform in the mean time.

    Any tips, advice, questions are welcome!

    Attached Files:

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  2. Ads Master

    Ads Master

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  3. wannabeaflyer2

    wannabeaflyer2 Well-Known Member

    Joined:
    Jun 12, 2015
    Messages:
    713
    Location:
    london uk
    Balance:
    8,062Coins
    Ratings:
    +917 / 6 / -0
    My Motion Simulator:
    2DOF, Arduino, Motion platform, 6DOF
    Hi this looks good and i ponly have one personal observation , the Actautor Base Universail Joint looks to be 3D printed , If thats the case i really done see it lasting other than for unloaded actuator testing .. we Put a lot of faith in 3D prioted parts But for major load bearing Items i.e Universal joints with big defelction and Angled loads ( i Have my Doubts ref Layering integrity , Wall ccunt etc ).. if being used for big loads ( and these actuator will be throwing around 150+ Kgs i would think you need to beef that part up ... Just my 2 cents worth ( all else looks Ok ) Cheers
    • Like Like x 1
  4. Rick Bouchereau

    Rick Bouchereau New Member

    Joined:
    May 10, 2021
    Messages:
    4
    Balance:
    3Coins
    Ratings:
    +5 / 0 / -0
    My Motion Simulator:
    6DOF
    Thanks for the input. I struggled with the design of the base. The U joint itself is steel, it’s normally used for custom steering linkage fabrication. While not designed to be loadbearing, My thought process is that the load would be spread over six of these, obviously some would be more loaded than others at times. The two base plates are 3-D printed with sockets to accept the steel u joint. Final assembly will include structural adhesive to bond everything together.

    Attached Files:

  5. wannabeaflyer2

    wannabeaflyer2 Well-Known Member

    Joined:
    Jun 12, 2015
    Messages:
    713
    Location:
    london uk
    Balance:
    8,062Coins
    Ratings:
    +917 / 6 / -0
    My Motion Simulator:
    2DOF, Arduino, Motion platform, 6DOF
    Hi @Rick Bouchereau sorry my Bad :) i saw what looked like 3D printed base then noticed how thin the UJ support arms were and Hence my 2 Cents worth . Ok now seeing clearer picture i can relate to strength of that part and so providing the max angles are not exceeded yourf good to go :) Cheers and thnaks for posting your work , Def looking like good work nad Project in the making . Nice :)
  6. Rick Bouchereau

    Rick Bouchereau New Member

    Joined:
    May 10, 2021
    Messages:
    4
    Balance:
    3Coins
    Ratings:
    +5 / 0 / -0
    My Motion Simulator:
    6DOF
    I worked out the cockpit geometry today.

    Attached Files:

    • Like Like x 2