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Stepper motors

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  • undefined
    Melfesto
    last edited by 2 May 2019, 16:18

    Hey, all got a question about stepper motors. Is there such a thing as best for precision. Like If you were to build a printer and money wasn't a problem what would be the best stepper motor you would buy and why?

    undefined undefined 2 Replies Last reply 2 May 2019, 18:00 Reply Quote 1
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      Phaedrux Moderator
      last edited by 2 May 2019, 17:15

      I suppose if money was not a question I might try something more exotic like a servo or some kind of closed loop system, but honestly for any printer I'm likely to build I'd probably stick with these:

      https://www.omc-stepperonline.com/nema-17-bipolar-0-9deg-46ncm-65-1oz-in-2a-2-8v-42x42x48mm-4-wires-full-d-cut-shaft.html

      They pair pretty much perfectly with the DuetWifi. There's also a 1.8 degree version if you need a bit more torque.

      Z-Bot CoreXY Build | Thingiverse Profile

      undefined 1 Reply Last reply 2 May 2019, 18:45 Reply Quote 2
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        fcwilt @Melfesto
        last edited by 2 May 2019, 18:00

        @melfesto

        Hi,

        I have purchased a couple of dozen steppers from the referenced site (stepperonline) and have always been very happy with the products.

        Frederick

        Printers: a small Utilmaker style, a small CoreXY and a E3D MS/TC setup. Various hotends. Using Duet 3 hardware running 3.4.6

        1 Reply Last reply Reply Quote 1
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          mrehorstdmd
          last edited by 2 May 2019, 18:42

          High precision/accuracy industrial machines often use 5 phase stepper motors that are built to deliver 500 or 1000 steps per rev. Combining those with microstepping drivers can make for very fine position control.

          Run this search term in ebay:

          5 phase stepper -2 phase -two phase -four phase -4 phase -3 phase -three phase

          and you'll see a lot of listings for 5 phase motors and drivers. The smaller motors tend to be rated for either 750 mA or 1.4A and for the same physical size, the torque is usually lower than 2 phase motors. Some motors are wound for pentagon connections and others for star connections. I believe the driver has to match the motor configuration, so you have to shop carefully to ensure compatibility.

          https://drmrehorst.blogspot.com/

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            gtj0 @Phaedrux
            last edited by 2 May 2019, 18:45

            @phaedrux said in Stepper motors:

            I suppose if money was not a question I might try something more exotic like a servo or some kind of closed loop system, but honestly for any printer I'm likely to build I'd probably stick with these:

            https://www.omc-stepperonline.com/nema-17-bipolar-0-9deg-46ncm-65-1oz-in-2a-2-8v-42x42x48mm-4-wires-full-d-cut-shaft.html

            They pair pretty much perfectly with the DuetWifi. There's also a 1.8 degree version if you need a bit more torque.

            Those are the ones I use as well. Got 7 of them for the movement axes but use a 1.8 deg one for the extruder.

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              JoergS5 @Melfesto
              last edited by JoergS5 5 Feb 2019, 19:17 2 May 2019, 19:04

              @melfesto If money is not a problem, I would use linear actuators like http://www.airoil.com/products/view/511/ultra-high-speed-magnetic-linear-actuator.html

              There was a DIY project on reprap https://reprap.org/forum/read.php?160,813817,page=1, but unfortunately it died.

              1 Reply Last reply Reply Quote 0
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                Melfesto
                last edited by 3 May 2019, 02:41

                what do you all think of something like this.
                https://www.linengineering.com/products/stepper-motors/z417-series/z417-17-02/#fndtn-standard_motor

                undefined undefined 2 Replies Last reply 3 May 2019, 14:06 Reply Quote 0
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                  gtj0 @Melfesto
                  last edited by 3 May 2019, 14:06

                  @melfesto They seem expensive for the torque provided.

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                    fcwilt @Melfesto
                    last edited by 3 May 2019, 18:19

                    @melfesto said in Stepper motors:

                    what do you all think of something like this.
                    https://www.linengineering.com/products/stepper-motors/z417-series/z417-17-02/#fndtn-standard_motor

                    I'm would imagine they are good but I only pay more when I find I must.

                    The ones I referenced have worked fine for me (and others).

                    Frederick

                    Printers: a small Utilmaker style, a small CoreXY and a E3D MS/TC setup. Various hotends. Using Duet 3 hardware running 3.4.6

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