1. Do not share user accounts! Any account that is shared by another person will be blocked and closed. This means: we will close not only the account that is shared, but also the main account of the user who uses another person's account. We have the ability to detect account sharing, so please do not try to cheat the system. This action will take place on 04/18/2023. Read all forum rules.
    Dismiss Notice
  2. For downloading SimTools plugins you need a Download Package. Get it with virtual coins that you receive for forum activity or Buy Download Package - We have a zero Spam tolerance so read our forum rules first.

    Buy Now a Download Plan!
  3. Do not try to cheat our system and do not post an unnecessary amount of useless posts only to earn credits here. We have a zero spam tolerance policy and this will cause a ban of your user account. Otherwise we wish you a pleasant stay here! Read the forum rules
  4. We have a few rules which you need to read and accept before posting anything here! Following these rules will keep the forum clean and your stay pleasant. Do not follow these rules can lead to permanent exclusion from this website: Read the forum rules.
    Are you a company? Read our company rules

Question Stepper motors for linear actuators

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by early_m, Oct 22, 2018.

  1. early_m

    early_m Active Member

    Joined:
    Jul 28, 2016
    Messages:
    317
    Location:
    Chelmsford
    Balance:
    818Coins
    Ratings:
    +340 / 4 / -0
    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    I've built a G-Seat and I'm tempted to improve on it by adding some full motion in the way of linear actuators.

    https://www.xsimulator.net/community/threads/diy-g-seat-from-concept-to-final.11669/

    I've searched about but still confused about which motors I can use. I'm looking to keep this as cheap and cheerful as possible.

    Servo motor's such as that used here https://www.xsimulator.net/communit...h-4-x-750-watt-linear-actuators-100-mm.11969/ are just too expensive for me and they quote each actuator at 400 euro.

    It looks like Nema stepper motors are a popular choice (Nema 23/34) but they come in a range of models offering a range of holding torque options. Price for a Nema 23 3Nm with driver @ £54 is a tempting price to pursue the project.

    I have 2 options:

    1. A 2DOF seatmover style - seat attached to a universal joint. 1 actuator for roll, 1 for pitch.
    2. A d-box style actuator with 4 actuators in each corner of my frame.

    Would the nema 23 3Nm with a 10mm pitch ballscrew work for either of these setups? oOr even a 5mm pitch?

    And am I correct in thinking the actuators will need limit switches and pots? If so do I then follow the same principle as any other rig using stepper motors. I was looking at Ardunio and Sabertooth setup, but I take it I wouldn't need the Sabertooth as the motors have their own driver?

    Sorry for all the noob questions, so much to learn!

    Thanks for your help.
    • Like Like x 1