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Possibilities of a 6dof with 6 (SCN6-040-300)?

Discussion in 'Off Topic - All other stuff here' started by yobuddy, Aug 8, 2010.

  1. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    I know it’s expensive but what 6dof isn’t?
    They produce 40kgf (about 88lbs) with a speed of 200mms
    That makes a platform capable of carrying (`528 lbs). Or 240kgf!

    We already can control them with x-sim and we know they work well.
    And this thing would be really fast compared to some of the other 6dof platforms.
    I'd offset the riders & platform weight with 6 - 20 to 35lbs springs.

    SCN-Spring.jpg
    What do you guys think?
    yobuddy
    yobuddy, Aug 8, 2010
    #1
  2. Frakk

    Frakk Active Member

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    I don't have experience with the actuators but from what I gathered, you cannot put much lateral force on them or twist the output shaft, otherwise they will brake. Putting them in a hex 6dof geometry would do just that.
    Frakk, Aug 8, 2010
    #2
  3. egoexpress

    egoexpress Active Member

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    Afaik, Nima is going to try this. However, I dont know how he is progressing.

    Regards
    egoexpress, Aug 8, 2010
    #3
  4. bvillersjr

    bvillersjr Active Member

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    I have a variety of approaches to this here as well. It is too early to tell which design will work out the best.
    bvillersjr, Aug 8, 2010
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  5. Nima

    Nima Member Gold Contributor

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    hi,
    i mean the scn6 with 40 kg and a not to big drivers are work without springs.i have work with a other guy on a rock and ride with scn6 40kg and hi work so powerfull .and with the scn, my profil idea for 6 dof are work best.you can build a 6 dof and
    than you mesurge after work with the potis in the scn6 all positions. than it is not
    a problem with a not perfect sim building.
    Nima, Aug 8, 2010
    #5
  6. adgun

    adgun Active Member

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    Hi Nima are you realy shure ,a stuward platform will work with 6 x 40kgf ?
    If so youre making my day.
    regards Ad
    adgun, Aug 8, 2010
    #6
  7. Nima

    Nima Member Gold Contributor

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    hi,
    with a spring system i am shure.without springs you must have the weight over all (seat driver wheel
    paddels) under ca 100kg or you must make doppel scn6 on all 6 places.but a spring system is the best way with scn6 and a 6 dof.
    Nima, Aug 8, 2010
    #7
  8. adgun

    adgun Active Member

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    Hi Nima
    Thanks for youre reply.
    I am thinking about 48volt servo,s without springs(Thanos way)
    The scn6 40/300 force speed curve is dropping fast,i think a dof6 will be very slow
    with steppers it,s force against wight ,without springs
    i hope youre not gone waste a lot of money ,and make a nice dof 6

    best regards Ad
    adgun, Aug 8, 2010
    #8
  9. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    This should take most of the strain off of the SCN6 actuator.

    6dof_scn6.jpg

    yobuddy
    yobuddy, Aug 8, 2010
    #9
  10. Frakk

    Frakk Active Member

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    This is a good start for making the actuators much stronger!

    The only problem I see here is the mechanical implementation of the whole platform. The actuator is way too long, about 60-70cm from joint-to-joint with a travel of only 15cm. This is obviously not optimal for a standard hex 6DOF platform because it would be very large, with relatively small actuator movement.

    I think it is very doable with enough optimization of the geometry and sizes.
    Frakk, Aug 9, 2010
    #10
  11. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    15cm? the actuators are 300mm??
    about 12 of movement i believe.
    yobuddy
    yobuddy, Aug 9, 2010
    #11
  12. Frakk

    Frakk Active Member

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    Yes, sorry. My mind was on SCN5's.
    Frakk, Aug 9, 2010
    #12