Thread: Motor control

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  1. #1
    Hey guys, I'm looking at building a rotary welding table, the mig gun will be mounted in one place while the workpiece is spinning.

    My question is, is there a way to have a stepper motor controlled by a dial so I am able to speed the rotation and also slow it down?

    Possibly a silly question but would I need to still use the driver?

    Any info on exactly what I need would be very much appreciated or some sort of schematic


    Sent from my iPhone using Tapatalk

  2. #2
    Easy with the right stepper driver.

  3. #3
    Cheers pal, I have drivers just wasn't sure how to go about it.

    So do I just get one of those and a dial to control the speed?

    Sent from my iPhone using Tapatalk

  4. #4
    you just attach a pot to them. to change the speed, very simple.

  5. #5
    Oh right, awesome!! So all I need to do is find a decent pot, hook it up to a power supply and crack on?

    Sent from my iPhone using Tapatalk

  6. #6
    If you have drive then one of these will work for you.

  7. The Following User Says Thank You to JAZZCNC For This Useful Post:

  8. #7
    If you have one of these, you don't need a power supply, driver or pulse generator. It is all in the box. Just add stepper and a couple of switches.
    Click image for larger version. 

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    BTW these are probably only available at a CNC museum.
    It takes all sorts to make a world, I am just glad I am not one of them.

  9. #8
    yesterday was welding a couple of things and i thought " it would be great if somebody rotated slowly the pieces." Now you give me ideas.
    project 1 , 2, ...

  10. #9
    Did not know these were available at this price, looks good but how the hell do they make it and send it free for that amount?
    Quote Originally Posted by JAZZCNC View Post
    If you have drive then one of these will work for you.

  11. #10
    Rotary table is on me TODO list as well :) For weldingtable I would use something like a car windshield wiper motor. Hooked with simple DC motor controller...
    Man... I really need to leave the wife and quit the job - then maybe I can finish something!

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