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Fast actuator ?

Discussion in 'Motor actuators and drivers' started by Gadget999, Nov 1, 2018.

  1. Gadget999

    Gadget999 Well-Known Member

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    Take a look at this fast actuator

    It appears it will lift 100 kg

    Gadget999, Nov 1, 2018
    #1
  2. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    What are the full specs, do you have a link?
    noorbeast, Nov 1, 2018
    #2
  3. Pit

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

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    fast but unusable...duty cycle is 10%, 2 minutes work, 18 minutes "pause in the shooting"...
    • Agree Agree x 1
    Pit, Nov 1, 2018
    #3
  4. Pit

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

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    • Informative Informative x 2
    Pit, Nov 1, 2018
    #4
  5. Gadget999

    Gadget999 Well-Known Member

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    I reckon you could use them in pairs to half the load
    Gadget999, Nov 1, 2018
    #5
  6. Pit

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

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    Sure, but duty cycle does not change at all. So what is the verdict? The best actuator you can buy is a DIY one.
    Pit, Nov 2, 2018
    #6
  7. BlazinH

    BlazinH Well-Known Member

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    The duty cycle is really just a manner of heat management so if you can solve that they could be used. That said I don't see a good way of cooling the motors when they're stuck in a sealed tube with other components.
    • Agree Agree x 1
    Last edited: Nov 2, 2018
    BlazinH, Nov 2, 2018
    #7
  8. Pit

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

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    My Motion Simulator:
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    Actuator = $ 200.-
    Hydrogen Cooling = $ 2'000.-

    Jokes aside, also standard motors needs cooling from time to time, my 12V motor from a winch under my seat (heave) is getting very hot, to avoid a death of heat I thrilled a lot of holes into it and added two ventilators on each side. If you know where to open the actuator (which should be difficult to know) cycle rate and durability will improve.
    Pit, Nov 2, 2018
    #8
  9. Gadget999

    Gadget999 Well-Known Member

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    It might be possible to mod them with a better motor,

    I would be keen to see inside one to see what components are in there
    Gadget999, Nov 2, 2018
    #9
  10. mariano68

    mariano68 Active Member

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    Sorry to bother, it is just I'm intrigued:p:D
    I saw you searching and asking a lot of questions for some months about all the different diy actuators and commercial ones, after all that research, don't you think it is more feasible to just copy the best of each and diy or just copy one?

    Regards
    mariano68, Nov 3, 2018
    #10
  11. Gadget999

    Gadget999 Well-Known Member

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    Yes i have been doing some research

    It appears a 3dof with gearmotors is fine for a driving sim

    For 6dof with linear actuators i think a 1kw 48v dc motor with shaft encoder and ballscrew should outperform most commercial actuators

    I am still researching stepper motors and some have good torque but are quite noisy. The precision of a stepper is not needed for an actuator of this type
    Gadget999, Nov 3, 2018
    #11
  12. Spit40

    Spit40 VR Flyer

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    It might be suitable for flying. Flight sim doesn't work the motors anything like as hard, though heavy turbulence might give them a workout.
    Spit40, Nov 4, 2018
    #12