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Linear Actuator Designs ...

Discussion in 'Motor actuators and drivers' started by speedy, Dec 27, 2013.

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  1. bsft

    bsft

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    yes we will share, as said, the parts are with Rob and when he has time to put them together, he will.
    bsft, Aug 8, 2014
    #21
  2. billo2404

    billo2404 Member

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    My Motion Simulator:
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    Ottimo, attendo con ansia i progetti:thumbs
    Si può sapere almeno che tipo di motore usate in modo da capire se l'elettronica che abbiamo è sufficente. Purtroppo io ho una sabertooth 2 x 12 e se devo cambiarla mi porterei avanti con il lavoro:confused:

    Great, I look forward the projects.:thumbs
    You may know at least what kind of engine used in order to understand if the electronics we have is sufficient. Unfortunately I have a sabertooth 2 x 12 and if I have to change it would bring me forward with the work :confused:
    billo2404, Aug 9, 2014
    #22
  3. bsft

    bsft

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    we are going to use 12v 200 watt big worm gear motors and Pololu JRK on these.
    You can use any motor, but a big worm gear motor is recommended and you can use any electronics on them
    http://bffsimulation.com/linear-act.php he uses a 24v motor, however a 12v motor will do just fine.
    • Winner Winner x 1
    bsft, Aug 9, 2014
    #23
  4. billo2404

    billo2404 Member

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    MERAVIGLIOSI :cheers:grin
    sto andando in ferramenta:thumbs

    WONDERFUL:cheers:grin
    I am going into hardware :thumbs
    billo2404, Aug 9, 2014
    #24
  5. BlazinH

    BlazinH Well-Known Member

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    So a novice understands, what exactly is a big worm gear motor? A motor with a big worm gear on it? My worm gear motors are 825 watts. 200 watt motors are relatively small in comparison so I assume you mean its has oversized gearing for its rated power?
    BlazinH, Aug 9, 2014
    #25
  6. bsft

    bsft

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    bsft, Aug 9, 2014
    #26
  7. billo2404

    billo2404 Member

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    il progetto e la scelta delle dimensioni e delle potenze sono a discrezione di chi lo costruisce.
    Ciò che conta è che il progetto sia ben fatto, poi permette con minime modifiche di installare qualsiasi motore.
    Ad esempio si potrebbero istallare i motori degli argani che privati del loro riduttore non sono più rumorosi poi si deve trovare il giusto rapporto tra velocità e potenza. L' unica cosa molto difficile da trovare (almeno qui in itala) sembrano essere le boccole a sfera. Per il resto mi sembra un progetto realizzabilissimo con la giusta pazienza

    the design and choice of size and of the powers are at the discretion of whoever builds.What matters is that the project is well done, then allows with minimal modifications to install any motor.For example, you could install the winches that do not lose their gear are more noisy then you have to find the right balance between speed and power. The only thing very hard to find (at least here in Italy) seem to be ball bushings. For the rest it seems a feasible project with the right patience
    • Like Like x 1
    billo2404, Aug 9, 2014
    #27
  8. CalSim

    CalSim building things

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    Hey billo take a look at my post, i'm building some similar to that one without strings. Look at the items and parts i'll use.

    I'll use a pololu 12v12 dual motor driver to power a 23A constant motor. the pololu is capable of power 1 motor at 12v 24A constant and its rated without a heatsink. I'll have heatsinks and fans directly to it. This is another posibility. but i need an ard too

    A possible advice, for me, its easier to think in Amps, instead of Watts. it is easier to fit and compare specs from various items using Amperes.
    CalSim, Sep 30, 2014
    #28
  9. speedy

    speedy Well-Known Member

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    • Like Like x 1
    • Informative Informative x 1
    speedy, Feb 18, 2015
    #29
  10. speedy

    speedy Well-Known Member

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    • Like Like x 1
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    Last edited: Apr 20, 2015
    speedy, Apr 18, 2015
    #30
  11. speedy

    speedy Well-Known Member

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    speedy, Apr 20, 2015
    #31
  12. adgun

    adgun Active Member

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    Hi Speedy please do some google with DIY rollerscrew
    Regards Ad

    Attached Files:

    • Like Like x 1
    adgun, Apr 20, 2015
    #32
  13. speedy

    speedy Well-Known Member

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    Wow @adgun ... it took me a while to figure out what you mean ...
    But now " I see you :thumbs" ... Great idea that will work with these as magic

    Jackscrew.gif

    Last edited: Apr 20, 2015
    speedy, Apr 20, 2015
    #33
  14. speedy

    speedy Well-Known Member

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    My Motion Simulator:
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    This one is even better ... Threadless Ballscrew :thumbs
    Mini_Threadless_bqllscrew_Adjustable_8mm_10deg_preview_featured.jpg
    2013-07-30_09.10.24_preview_featured.jpg

    • Like Like x 1
    Last edited: Apr 20, 2015
    speedy, Apr 20, 2015
    #34
  15. Pit

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

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    LOl, sometimes I feel we are DIYs like pioneers from 1820 or earlier :p
    • Funny Funny x 1
    Pit, Apr 20, 2015
    #35
  16. adgun

    adgun Active Member

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    Hi Speedy i like youre threadless ballscrew, with a hardend shaft GALLING problems are solved also.
    regards Ad
    • Informative Informative x 1
    adgun, Apr 20, 2015
    #36
  17. DanielDk

    DanielDk Member

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    I feel like ballscrews have become so cheap, everybody can get in on it... 40$ for a complete screw rm1610-70cm long...

    An example of an ballscrew actuator - pretty simple...


    [​IMG]
    • Old Old x 1
    DanielDk, Apr 21, 2015
    #37
  18. bsft

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    @DanielDk , is that $40 for what you have pictured?
    If do, its just a matter of putting a motor on it?
    Where did you get that actuator part please?
    bsft, Apr 21, 2015
    #38
  19. speedy

    speedy Well-Known Member

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    Any ideas making the Nut without 3d printing ?
    speedy, Apr 21, 2015
    #39
  20. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    My Motion Simulator:
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    Just a reminder, if you need a 3D printed part but do not own a printer then you could use the world wide directory of those who do and who can print a part for a small fee: https://www.3dhubs.com/
    • Informative Informative x 1
    noorbeast, Apr 21, 2015
    #40
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