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My project 2DOF

Discussion in 'DIY Motion Simulator Projects' started by Arielnac, May 19, 2019.

Page 6 of 6
  1. BloxofCode

    BloxofCode New Member

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    My Motion Simulator:
    2DOF, SCN5, SCN6, Arduino
    Hello Is it ok to use a 60T:20T gt2 pulley belt width is 6mm length 200mm? but i will enlarge the bore size into 17mm (motor shaft) and 6mm(sensor shaft).....i research the items available here in our country but still cannot find the exact specs.?

    or maybe there is a calculation to consider so i can choose any gt2 pulley, any teeth i want something like that?

    Thank you.
    BloxofCode, Sep 17, 2021
    #101
  2. Arielnac

    Arielnac Member

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    2DOF
    Hi.
    No. The pulleys must be of a ratio 2: 1 or less, Example 60:30 or 60:32. You must calculate the length of the strap that allows you to mount the hall sensor parallel to the motor at the distance that you are going to place it. You can make a graph by drawing the diameter of the pulleys on a piece of paper and measuring the supposed belt.
    The motor is preferably going to turn 85% of the half turn. If the sensor is 360º it should not make a complete turn. You must leave a working margin on the sensor.
    Arielnac, Sep 18, 2021
    #102
  3. BloxofCode

    BloxofCode New Member

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    2DOF, SCN5, SCN6, Arduino
    Hello Sir,

    I already procure the motor, hall sensor and wanted to try also in SMC3, based on your thread there are things to consider like limits and etc. may I know what are your steps done to make this work similar to your video?
    Thank you
    BloxofCode, Sep 21, 2021
    #103
  4. Arta Yasa

    Arta Yasa Member

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    2DOF
    Hi sir where you buy pulley gt2 bore 17mm sir??
    Arta Yasa, Oct 6, 2021
    #104
  5. Michail

    Michail Member Gold Contributor

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    May you can give some information about the rod length, height of the ujoint etc? Mesures

    I will be have the CTC lever of SCK Gaming tutorial with 67.4 mm or 37.4mm.

    Have the same motors and I am struggle if I will make a 3dof or 2dof + traction loss.

    What I know for sure is, that I would like to make a platform mover not a seat mover.
    Michail, Feb 4, 2022
    #105
  6. amilivian

    amilivian New Member

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    My Motion Simulator:
    2DOF, 3DOF, Arduino
    Hi Ariel, how are you? I'm from Catamarca Argentina, are you still active in the forum? I would like to communicate with you so that you can recommend me some things if it is possible, thank you in advance!!
    Last edited by a moderator: May 7, 2022
    amilivian, May 7, 2022
    #106
  7. amilivian

    amilivian New Member

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    My Motion Simulator:
    2DOF, 3DOF, Arduino
    Did you buy the gimbal movement in Argentina?
    Last edited by a moderator: May 7, 2022
    amilivian, May 7, 2022
    #107
  8. Arielnac

    Arielnac Member

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    Hi. Yes.
    They sell it in any business that is dedicated to the sale of bearings
    Arielnac, May 9, 2022
    #108
  9. Arielnac

    Arielnac Member

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    Hello. The measurements are a bit a matter of logic to obtain the maximum efficiency of movement.
    Arielnac, May 9, 2022
    #109
  10. luu trung

    luu trung Member

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    my source is meanwell 350w 24v minimum adjustment is 20v not 18.5v .ibt 2 bit hot
    luu trung, Jun 20, 2022
    #110
  11. luu trung

    luu trung Member

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    What's wrong with connecting the sensor on the shaft through the coupling??? and what is the difference between pulley and direct connection on the shaft ?
    -What if 2 pulleys are equal 40 teeth and 40-20?
    -I use the same motor and sensor as you, I connect the sensor on the shaft.
    thank
    luu trung, Jun 20, 2022
    #111
  12. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
    3DOF, DC motor, JRK
    You could technically get away with 90 degree Hall sensors, if you don't use more that 40 degrees up and down, which would be the ideal, but personally I use 180 for an extra bit of headroom, see here: https://www.xsimulator.net/community/threads/hall-effect-potentiometer.4948/#post-48019

    With a 360 degree Hall sensor you sacrifice resolution for no real gain: https://www.xsimulator.net/community/threads/how-to-choose-potentiometer.8251/page-3#post-227235
    • Like Like x 1
    noorbeast, Jun 20, 2022
    #112
  13. Arielnac

    Arielnac Member

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    Hi. They could work at 20 V. But the nominal working voltage of the BTS is 18V.
    • Like Like x 1
    Arielnac, Jun 20, 2022
    #113
  14. Arielnac

    Arielnac Member

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    Exactly what Noorbeast says.
    Arielnac, Jun 20, 2022
    #114
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