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DIY toothed rack actuator?

Discussion in 'Motor actuators and drivers' started by Juel-dk, Nov 25, 2016.

  1. Juel-dk

    Juel-dk New Member

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    Hi Sim folks :)

    I have wanted to build a motion sim for racecar games for a long time, and been reading all of the good stuff you guys are posting :)
    I want to have a long travel like the motion-sim.cz versions, so buying actuators is not an option, whey are psyco expensive :p
    I have been thinking about designs for some time now, and i'm wondering, why anyone ain't using toothed racks for diy actuators? Is it a gearing problem? >Or what is the problem, if there is any?

    Regards
    Juel
    Juel-dk, Nov 25, 2016
    #1
  2. Pit

    Pit - - - - - - - - - - - - - - - - Gold Contributor

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    My Motion Simulator:
    DC motor, Arduino, 6DOF
    Hi I use toothed racks but not like the actuators and only for horizontal movements. IMO using them for actuators you need a clean and clever design which I didn't get yet because of the parts we use for.
    Pit, Nov 27, 2016
    #2
  3. Juel-dk

    Juel-dk New Member

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    Ok, I was just wondering :)
    Juel-dk, Nov 28, 2016
    #3
  4. RacingMat

    RacingMat Well-Known Member Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, Arduino
    there are some drawbacks:
    - backlash (opening a gate is not a problem, but moving back and forth frequently it is bad)
    - consequence: noisy
    - dangerous: need protective casing
    - as said by Pit, easy only when horizontal
    • Agree Agree x 1
    RacingMat, Nov 28, 2016
    #4
  5. Juel-dk

    Juel-dk New Member

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    Ok, thanks, i'll stick with the ballscrew method then :)
    Juel-dk, Nov 29, 2016
    #5