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IndustryArena Forum > CNC Electronics > Stepper Motors / Drives > Is this a good deal on a stepper driver?
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  1. #1
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    Is this a good deal on a stepper driver?

    Is this a good deal on a stepper driver for budget systems?.
    These take up to 110vdc power supply.

    I've found that nema 34 motors upto 1080oz/in are great with a 80vdc supply.
    Nema 23/24 motors give a lot more velocity at higher voltages too. even with an inductance level up to 3.5mh.

    https://www.aliexpress.com/item/33012198502.html?ug_edm_item_id=33012198502&edm_cl ick_module=item_detail&tracelog=rowan&rowan_id1=ae ug_edm_24687_1_en_US_2021-11-24&rowan_msg_id=2238biz_search_product:0:0_5439422 $4e7603f2eb04471c96e1332d2c8e2d1a&ck=in_edm_other

    https://www.aliexpress.com/item/4000...58810697%22%7D

  2. #2
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    Re: Is this a good deal on a stepper driver?


  3. #3

    Re: Is this a good deal on a stepper driver?

    the leadshine ma840h is a decent driver and has been changed to ma840e . I don't know how much I'd trust them on ali . They aren't going to be leadshine but for the price you can't go too far wrong .

    I recently bought some of these as backup . I haven't had a need to try them yet but everything else I've gotten from these guys has been good .

    https://www.omc-stepperonline.com/sa...per-motor.html

  4. #4
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    Re: Is this a good deal on a stepper driver?

    Quote Originally Posted by metalmayhem View Post
    the leadshine ma840h is a decent driver and has been changed to ma840e . I don't know how much I'd trust them on ali . They aren't going to be leadshine but for the price you can't go too far wrong .
    I recently bought some of these as backup . I haven't had a need to try them yet but everything else I've gotten from these guys has been good .
    https://www.omc-stepperonline.com/sa...per-motor.html
    I have their DM860T version (110v) and works great on 80vdc with a nema34 1080oz/in.
    The issue with St-online is you have to be careful when searching motors. They have some really bad spec ones.

  5. #5

    Re: Is this a good deal on a stepper driver?

    on the other hand they have some with really good specs , but I agree that a guy needs to be cautious in his choices . I replace my torus pro motors with some I got from them and the performance difference on the mill was incredible

  6. #6
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    Re: Is this a good deal on a stepper driver?

    Quote Originally Posted by metalmayhem View Post
    on the other hand they have some with really good specs , but I agree that a guy needs to be cautious in his choices . I replace my torus pro motors with some I got from them and the performance difference on the mill was incredible

    I've got an equivelent of these ones:
    https://www.omc-stepperonline.com/ne...s39-4204d.html
    At 3mh inductance they're not perfect but they reacted very well once I used 60vdc to drive them.

    Now they have these ones:
    https://www.omc-stepperonline.com/ne...m-4-wires.html


    I'll go for AC servos next time.

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