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6DOF Project Build Log Thread

Discussion in 'DIY Motion Simulator Projects' started by Tim McGuire, Jan 1, 2018.

  1. Tim McGuire

    Tim McGuire "Forever a work in progress"

    Joined:
    Jul 26, 2015
    Messages:
    261
    Occupation:
    Electrical/Electronics Engineer
    Location:
    Canada
    Balance:
    2,164Coins
    Ratings:
    +313 / 2 / -0
    My Motion Simulator:
    3DOF, DC motor
    Hello all!

    Some of you might recognize me from my other posts on the forum. I started here back in 2015, and since then I've built a 2DOF frame mover, and my current 3DOF personal sim rig (which I couldn't have done without the helpful members of this forum).

    Sometime in the last few months, a few of my friends in engineering school convinced me to partner up with them to try and make something a little larger. Long story short, my university has given me a modest budget to build a 6DOF simulator for them. The following thread should detail the build process.

    The simulator will be a stewart platform, using the ballscrew driven electric actuators that have become popular among members as of late:

    actuator.PNG

    The design we've settled on has been influenced by many of the builds that have been posted on this forum, so the overall actuator should look fairly familiar:

    actuator2.PNG

    actuator3.PNG

    Initial calculations (if the chinese motor suppliers are to be believed) should put the specs of the actuator at roughly 54kg of output force at 333mm/s, with 650mm of stroke. It uses an 800mm 1605 ballscrew, these motors, and IGUS plastic bushings with carbon fibre tubing as the piston material. I will post a full parts list in due time once everything's been sorted (speaking of which, who has a good source for universal joints? I'm not above looking through all of the local scrapyards for identical ones, but I'm open to suggestions).

    overview.PNG

    We're definitely still in the design phase right now, but we plan to start construction within the next few weeks, and we hope to have the project in a working state by this summer.

    Any critiques and comments are welcome!
    • Like Like x 8
    • Winner Winner x 1
    Tim McGuire, Jan 1, 2018
    #1
  2. ruba

    ruba Member

    Joined:
    Sep 7, 2017
    Messages:
    41
    Occupation:
    Engineer
    Location:
    Krasnoyarsk
    Balance:
    5Coins
    Ratings:
    +14 / 0 / -0
    My Motion Simulator:
    2DOF, 3DOF, Arduino
    Very interesting project! And a lot of work in future! Post new pictures of construction process.
    ruba, Jan 1, 2018
    #2
  3. Nitros54

    Nitros54 Member

    Joined:
    Sep 3, 2017
    Messages:
    49
    Location:
    villey saint etienne
    Balance:
    119Coins
    Ratings:
    +50 / 0 / -0
    My Motion Simulator:
    3DOF
    Good project, look forward to see more :)
    Nitros54, Jan 2, 2018
    #3
  4. SilentChill

    SilentChill Problem Maker

    Joined:
    Jul 19, 2014
    Messages:
    2,619
    Occupation:
    Railway Maintenance
    Location:
    Morecambe, Lancashire, England
    Balance:
    20,402Coins
    Ratings:
    +3,480 / 34 / -0
    My Motion Simulator:
    DC motor, Arduino, Motion platform, 6DOF
    SilentChill, Jan 3, 2018
    #4
  5. Tim McGuire

    Tim McGuire "Forever a work in progress"

    Joined:
    Jul 26, 2015
    Messages:
    261
    Occupation:
    Electrical/Electronics Engineer
    Location:
    Canada
    Balance:
    2,164Coins
    Ratings:
    +313 / 2 / -0
    My Motion Simulator:
    3DOF, DC motor
    Tim McGuire, Jan 3, 2018
    #5
  6. Blackflam

    Blackflam New Member

    Joined:
    Jan 3, 2018
    Messages:
    15
    Location:
    France
    Balance:
    - 31Coins
    Ratings:
    +7 / 0 / -0
    My Motion Simulator:
    2DOF
    Wow i dream to test a simulator like this :)
    Blackflam, Jan 3, 2018
    #6