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test simtools+stepmotor

Discussion in 'DIY Motion Simulator Projects' started by Bordiin, Jul 25, 2016.

Page 3 of 5
  1. mariano68

    mariano68 Active Member

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    I was thinking about this Nema motors...
    As always, there is a trade-off, they have lots of torque, but kinda slow, if you want them to get fast, they loose torque.
    So, you can use higher pitch screw (10mm pitch in this case) than common dc motors to get a little more speed until some point.
    @Bordiin , I think if you add a pair of gas struts to release some weight from the motor, you can get even faster response.
    mariano68, Aug 14, 2016
    #41
  2. Bordiin

    Bordiin Active Member

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    Yes they are really strong, i tried use nema 23, but i have some problems with torque in high speed, maybe the SCN5 or SCN6 the are using a drive to microstep, so you can reach more speed without loss of torque.
    Bordiin, Aug 15, 2016
    #42
  3. Bordiin

    Bordiin Active Member

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    Maybe, i need think about, and find the best place to put the gas struts. but know i think that the motor can lift 150Kg, with this speed, but i will test later and informed you :D
    • Like Like x 1
    Bordiin, Aug 15, 2016
    #43
  4. Bernd Manger

    Bernd Manger Active Member

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    Hello Bordiin,
    I don't know which nema23 is used in the SCN6.
    On this site are many of them available, even up to 3Nm.
    http://www.omc-stepperonline.com/stepper-motors-nema-23-stepper-motors-c-1_22.html

    Here are 4 pictures of a data sheet from another provider showing some torque curves. There are models for lower or higher speed.
    nema 23_Seite_1.jpg nema 23_Seite_2.jpg nema 23_Seite_3.jpg nema 23_Seite_4.jpg

    Have you thought about moving as well the pivot point as the motors closer to the balance point of the rig.
    So you need less movement (speed) of the actuators to reach the same swing amplitude of your rig.
    • Like Like x 1
    Bernd Manger, Aug 15, 2016
    #44
  5. Bordiin

    Bordiin Active Member

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    @Bernd Manger I need test, but i'm thinking in build other actuator and put in front, or change use 2 in front and 1 in the back,
    Bordiin, Aug 16, 2016
    #45
  6. LI JIAN HUI

    LI JIAN HUI Learn 2DOF maker

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    Feel a little noise, it sounds normal? Do you have any influence on the game?
    LI JIAN HUI, Aug 16, 2016
    #46
  7. Bordiin

    Bordiin Active Member

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    It's normal, because the high speed.
    Bordiin, Aug 16, 2016
    #47
  8. Rudolf Jan Horak

    Rudolf Jan Horak Member

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    The stepper motors must give a good shimmy action. What plug in are you using for your game? Or is that a default (the one that it came with)
    Rudolf Jan Horak, Sep 8, 2016
    #48
  9. Bordiin

    Bordiin Active Member

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    Bordiin, Sep 15, 2016
    #49
  10. Bordiin

    Bordiin Active Member

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    After a while here it's my final project :D
    IMG_20161121_115709742.jpg IMG_20161121_115740968.jpg
    • Like Like x 8
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    Bordiin, Nov 21, 2016
    #50
  11. obobo

    obobo Active Member

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    nice form
    • Like Like x 1
    obobo, Nov 21, 2016
    #51
  12. My.stAr

    My.stAr Active Member

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    nice to see someone using stepper motors:thumbs
    • Like Like x 1
    My.stAr, Nov 29, 2016
    #52
  13. xiejin

    xiejin New Member

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    Nice
    • Like Like x 1
    xiejin, Dec 2, 2016
    #53
  14. pab61

    pab61 Member

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    This is great, thanks for all the info Bordiin. I'm looking at adding a seatbelt tensioner and wheel mover to my sim rig (I cant move the seat, my rig is too heavy (although, seeing yours has got me thinking, I've seen 13Nm Nema 34 Motors are available, imagine what they'd be capable of lifting!) so rather than build a seat mover I was planning to move the wheel instead) (will start up a build thread soon). Was looking at stepper motors and was wondering how strong I'd need them to be, seeing 3Nm motors lift your whole rig makes it pretty clear that motors like this will be more than enough to make the seatbelts tight, and move the wheel back and forward on sliding rails.

    One question (for Bordiin, or anyone else who knows), looks like the motor drivers are the same or similar to the ones I was looking at, they don't interface directly with the PC do they, I'll need an Arduino between them, is that right?
    pab61, Jan 13, 2017
    #54
  15. Bordiin

    Bordiin Active Member

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    Hello @pab61 Yes you'll need one arduino to axis and one interface in simtools for axis too.
    Bordiin, Jan 25, 2017
    #55
  16. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    By all means post in your native language, but please also include an English translation via Google Translate. It saves other members time trying to work out who may need help and who is just posting a comment.

    We have bi-lingual speakers from many different language groups so if Google Translate really messes it up they can help clarify what was intended.

    There is a specific section for native language based social interactions: http://www.xsimulator.net/community/#international-social-chats-and-conversations.155
    noorbeast, Jan 30, 2017
    #56
  17. Bordiin

    Bordiin Active Member

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    testing the strength of the motors. with 135kg. and my new toys to improve my simulator :D

    Attached Files:

    • Like Like x 3
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    Bordiin, Feb 10, 2017
    #57
  18. yobuddy

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

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    Very, Very Nice Looking rig @Bordiin!!
    Well done buddy!
    yobuddy
    • Like Like x 1
    yobuddy, Feb 11, 2017
    #58
  19. xytras

    xytras Member Gold Contributor

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    Hmm steppers were the first thing that came to my mind when I started with my 2DOF. Since it is pretty difficult to get some good motors for a reasonable price here these steppers seem to be a good choice.
    There are 13Nm steppers available around 100 EUR and with driver around 140 EUR. There are cheaper TB6600 / 5A boards available but I guess they would burn. What driver is used here ?
    xytras, Feb 15, 2017
    #59
  20. Bordiin

    Bordiin Active Member

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    Hello @xytras, I'm using a 3Nm steppers I paid 60 EUR (http://www.kalatec.com.br/motor-de-passo-5034-349) the specification of the motor and the drive the company recommend this one (http://www.kalatec.com.br/drive-de-motor-de-passo-str8) I paid 200 EUR. STR8 is for 8A, it's a little bit expensive but is one of the best drive here in brazil.
    You need to check the current of the motor. And with you use the motor only to move de seat not all frame like me you can build with a nema 23 and use this TB6600 board
    Bordiin, Feb 15, 2017
    #60
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