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Question #: 952

Question: What is the number of pole pairs and rotor inertia for NEMA 23 Stepping motor?

Current Solution

You can find the wiring diagram, and technical specifications for the NEMA 23 motor, on it's product page, found here,

https://www.buildyourcnc.com/Item/electronicsAndMotors-nema23-100ozin-newbiehack-motors-stepping_motors-100_ozin

There is a datasheet below the product description. This image will expand to be easier visible once clicked on.

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Other Possible Solutions to this Question

  • What is the difference between a NEMA 23 and NEMA 24 motor? can I use either one on a machine?

    The frame size difference of the NEMA 23 and 24 is very slight and, depending on the motor mount both will most likely fit. The bigger difference between these stepping motors is the torque. Make sure that the motor that you purchase has the appropriate torque for the axis that it will move.

    Is is safe to go with the higher torque? Or if the torque is too high for what i need is that bad?

    You can use a motor with higher torque. Just make sure to select the correct driver for that motor.

    Additional Information:
    The frame size has nothing to do with torque. Nema 23 means a 2.3" frame. Nema 24 means a 2.4" frame. That's all. Either could have more or less torque depending on speed and power.

    Click the link to respond:
    What is the difference between a NEMA 23 and NEMA 24 motor? can I use either one on a machine?

  • What is the difference between a NEMA 23 and NEMA 24 motor? can I use either one on a machine?

    The frame size difference of the NEMA 23 and 24 is very slight and, depending on the motor mount both will most likely fit. The bigger difference between these stepping motors is the torque. Make sure that the motor that you purchase has the appropriate torque for the axis that it will move.

    Is is safe to go with the higher torque? Or if the torque is too high for what i need is that bad?

    You can use a motor with higher torque. Just make sure to select the correct driver for that motor.

    Additional Information:
    The frame size has nothing to do with torque. Nema 23 means a 2.3" frame. Nema 24 means a 2.4" frame. That's all. Either could have more or less torque depending on speed and power.

    Click the link to respond:
    What is the difference between a NEMA 23 and NEMA 24 motor? can I use either one on a machine?

  • Are there torque-speed curves available for the NEMA 34 Stepping Motor (651 oz-in 1/2" dual shaft)?
  • wiring for nema 24 stepping motor to microstep driver CW230. With BlueBrew board .

    Three steps are involved: wiring the stepper motor to the CW230 driver, wiring the CW230 driver to the parallel controller and wiring power to the CW230 driver.

    Wiring the NEMA stepper motor to the CW230 driver:
    This will depend on the number of wires are coming out of the stepper motor. If the stepper motor has 8 wires, you want to wire it in bipolar parallel configuration. Check the datasheet of the motor for this configuration. If the motor has 6 or 4 wires, you don't necessarily need the datasheet, but it is quicker and more helpful. Otherwise, you can use a multimeter to determine the correct wires. Since both coils will have the same resistance across each, you can use a multimeter set to ohms, or resistance, to determine the wires for each coil. If there is OL on the multimeter for any two wires, that means it is an Open Line, or no connection. That could only mean that those wires are not on the same coil. If the reading shows a number, then those wires are on the same coil, and on a 4 wire stepper motor, that will be the wires to connect to either the A or B coil. If the resistance is half of a resistance of another set on a 6 wire stepper motor, then on of those wires if at the midpoint of a coil. On 6 wire motors, only use the wire pair that have the highest resistance. Those will be the wires on the ends of each coil. Connect one pair to the A terminals and the other pair to the B terminals.

    Wiring the CW230 driver to the controller:
    The Step-, or sometimes called CP- is connected to one of the numbered terminals between 2 and 7 and the DIR-, sometimes called the CW-, is connected to one of the numbered terminals between 2 and 7. X is typically connected to 2, and 3, step and DIR respectively. Y is typically connected to 4 and 5. Z is typically connected to 6 and 7. The 5v is connected to Step+, or CP- and DIR+, or CW+.

    Make sure that Mach3, or LinuxCNC is configured for this configuration under ports and pins in Mach3, or the stepconf in LinuxCNC.

    Additional Information:
    Let me know if there are clarifications that are needed here.

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    wiring for nema 24 stepping motor to microstep driver CW230. With BlueBrew board .

  • How can i calculate how much can carry my stepper motor? i have these informations: (Detent Torque: 2.2N.cm; Rotor Inertia: 54g.cm2; Holding Torque: 40N.cm). It's a nema 17

    The holding torque will provide the best information for the calculation on how much your stepper motor will carry. But first, when you say carry, do you mean how much weight it can lift, how much inertia it can withstand during an acceleration and deceleration state or how fast it can accelerate or velocity it can maintain under load from the milling process?

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    How can i calculate how much can carry my stepper motor? i have these informations: (Detent Torque: 2.2N.cm; Rotor Inertia: 54g.cm2; Holding Torque: 40N.cm). It's a nema 17

  • How can i calculate how much can carry my stepper motor? i have these informations: (Detent Torque: 2.2N.cm; Rotor Inertia: 54g.cm2; Holding Torque: 40N.cm). It's a nema 17

    The holding torque will provide the best information for the calculation on how much your stepper motor will carry. But first, when you say carry, do you mean how much weight it can lift, how much inertia it can withstand during an acceleration and deceleration state or how fast it can accelerate or velocity it can maintain under load from the milling process?

    Click the link to respond:
    How can i calculate how much can carry my stepper motor? i have these informations: (Detent Torque: 2.2N.cm; Rotor Inertia: 54g.cm2; Holding Torque: 40N.cm). It's a nema 17

  • Is there a better manual for the laser engraving controle having problems with the set up of the stepping motors etc

    This "question 12186" could be a good place to house questions on the laser controller. We are in the process of creating thorough video instructions, but please add specific questions by clicking the "submit additional information" and we will answer questions regarding the laser controller with detail.

    Click the link to respond:
    Is there a better manual for the laser engraving controle having problems with the set up of the stepping motors etc

  • Hi Patrick What is the name of that organization for CNC enthusiast in Houston and Katy TX and phone number please. Thanks

    The CNC group is a splinter group of the Woodworker's Club of Houston" and can be found at this website: http://wwch.org

    You can contact them via their contact us page here: http://wwch.org/ClubBus/ContactUs.htm

    They have regular meetings at the location specified on their homepage. You can also go there and talk to some of the CNC group's members.

    Click the link to respond:
    Hi Patrick What is the name of that organization for CNC enthusiast in Houston and Katy TX and phone number please. Thanks

  • what is the wiring coler and pin # for the whiteant extruder stepper motor

    For our extruder motor wire color and pin would be Red(A), Yellow(C), Gray(B), Green(D). The 2 x 3 (6) pin connectors on our 3D mainboard, are connectors for motor drivers. Pin #1 is 12v, Pin #2 s ground, Pin #3 is step, Pin #4 is direction, Pin #5 is enable and, Pin #6 is 5v.

    Click the link to respond:
    what is the wiring coler and pin # for the whiteant extruder stepper motor

  • I am upgrading a CNC with 3 stepping motors, and its all I want to keep. What technical information do you need in order to receive a quotation from you with the new items I need to buy from you?

    Dealing with your CNC upgrade we will need a good detail on exactly what you plan on keeping and reusing, all technical information about the parts that you keep will make our recommendations more precise for your application.

    Please email customerservice@buildyourcnc.com for any quote related questions.

    Click the link to respond:
    I am upgrading a CNC with 3 stepping motors, and its all I want to keep. What technical information do you need in order to receive a quotation from you with the new items I need to buy from you?

  • I have theNema 24, 425 Oz stepper motors kit what are my Ports and Pins?

    The ports and pins are designated by the breakout board that you have, Now here are the schematics for both(https://www.buildyourcnc.com/item/electronicsAndMotors-parallel-breakout-relay#prettyPhoto/2/ and https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-USB-Controller-Breakout#prettyPhoto/2/) Which for the Parallel the pins will be 1,14,2,3,4,5,6,7,8,9. For 1,14 you will need to use them together for a additional axis. Setup will be (ex.mach3) step in (2) / direction pin (3). continued for other pins, 4,5 6,7 etc.
    Now for the USB it has the label on the board right next to the terminal blocks, x-axis/etc.

    Click the link to respond:
    I have theNema 24, 425 Oz stepper motors kit what are my Ports and Pins?

  • What determines how fast the stepping motors will spin?

    The amount of voltage that is used to power the motors will generally determine the top RPM of the stepping motors. As you increase the voltage, the time constant is reduced in the process of current flowing through the coils of the motor. The faster the current can be drawn through the coils, the faster the motor will spin.

    Click the link to respond:
    What determines how fast the stepping motors will spin?

  • I just changed my X and Y to the ACME 1/2" 5 start lead screw. What are the motor tuning numbers. I have the book built machine.

    The settings that will have to be change will be your steps per inch in motor tuning (mach 3), or settings/axes(planetCNC). But we do not have the actual numbers/specs that will fit your 10 TPI 5 start lead screw, here is a tutorial video which explains how to get the exact numbers you need! (

    )

    Click the link to respond:
    I just changed my X and Y to the ACME 1/2" 5 start lead screw. What are the motor tuning numbers. I have the book built machine.

  • What's the difference between 128 microstepping and 1-1/64 microstepping?

    I'm not sure what particular devices you're talking about so I can't help you as far as compatibility goes, but a microstep fraction refers to the resolution of the rotating motor. let's say your motor takes 200 whole steps to make one complete revolution of the spindle. If you then set your motor to run at 1/64 microsteps it would mean your motor is taking 64 times more steps to cover the same distance, making a total of 12,800 steps to make one complete revolution of the spindle. So a smaller fraction of steps like 1/128, would take even more steps to complete one revolution, 25,600 in fact.

    If you're talking about motor drivers it's probably telling you how many options of resolution you have.
    one giving the highest resolution of 1/128 microsteps but probably still capable of doing 1/64, 1/32, 1/16, 1/8, 1/4, 1/2 and 1 whole step.
    the other one that says 1-1/64 is telling you it ranges between 1 whole step and 1/64th microsteps, so you could do the fractions between like 1/32, 1/16, 1/8, 1/4 and 1/2 as well.

    The amount of microsteps you want to make in one revolution is totally up to you, more steps potentially means a more precise machine, but at a certain point the extra steps may be unnecessary.

    hope this helps

    Click the link to respond:
    What's the difference between 128 microstepping and 1-1/64 microstepping?

  • What's the difference between 128 microstepping and 1-1/64 microstepping?

    Stepper motors are designed to move in specific increments; these increments are called "steps". For example, a common standard is for 200 steps per full revolution. Microstepping is a method to send signals to the motor to move only a fraction of a full step at a time. For example, if a motor has 200 steps per revolution and is microstepped 1/16, then effectively there are 3200 small step movements (microsteps) per revolution instead of 200 larger ones. This makes the motion of the motor much smoother and more precisely controllable, at the cost of decreased holding torque.

    Here are is a good references for stepper motor theory: http://users.ece.utexas.edu/~valvano/Datasheets/StepperMicrostep.pdf

    And Wikipedia has a good overview as well:
    https://en.wikipedia.org/wiki/Stepper_motor

    Additional Information:


    Additional Information:
    Therefore, the difference in 128th and 64th microstepping is increased resolution and smoothness for 128th microstepping, at the cost of decreased holding torque.

    Click the link to respond:
    What's the difference between 128 microstepping and 1-1/64 microstepping?

  • what do i need to buy for a complete replacement 4 axis cnc mill nema 34 motors mach 3

    To replace all of the electronics for a 4 axis system with all NEMA 34 motors, you will need the following components:

    4 NEMA 34 stepper motors:
    https://buildyourcnc.com/item/electronicsAndMotors-nema34-651ozin

    4 drivers (one driver for each motor):
    https://buildyourcnc.com/item/electronicsAndMotors-stepper-driver-6!0a

    One controller:
    https://buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach3-USB-Board

    24v Powers supply for the controller:
    https://buildyourcnc.com/item/electronicsAndMotors-power-supply-24v-1a-dc

    2 48V power supplies for the motors and drivers:
    https://buildyourcnc.com/item/electronicsAndMotors-power-supply-24v-36v-48v

    Click the link to respond:
    what do i need to buy for a complete replacement 4 axis cnc mill nema 34 motors mach 3

  • what are the dimensions and model number of the 3/8" ID roller bearings on your website?

    The specifications for our 3/8" bearings are R6ZZ. The ZZ means double metal shielded. The metal shielding is to protect the ball bearings between the inner race and outer race.

    Inside diameter: 3/8"
    Outside Diameter: 7/8"
    Width: 9/32"

    Click the link to respond:
    what are the dimensions and model number of the 3/8" ID roller bearings on your website?

  • What is the micro-stepping value of the STB4100?

    The Mach3 USB (STB4100) doesn't actually control the microstepping. Each stepper motor driver that connects to the stepper motor had a dip switch setting that you can change your microstepping value.

    The motion cars simply outputs the number of step pulses that you specify from the computer's control software. For example, if you set the stepper motor driver to move 1 inch with 1600 steps (let's say, the microstepping is 4 for simplicity and is set on the stepper motor driver), the computer's software would tell the motion card to deliver 1600 steps to the driver. The driver then moves the motor accordingly. If you change the stepper motor driver's microsteps to 2, but you maintained the 1600 steps from the computer control software, then the stepper motor would move 2 inches instead of 1 inch.

    I hope this helps with your microstepping question related to the cnc motion card. Just remember to modify the steps/inch or steps/mm setting in your CNC control software and it corresponds to the setting on the stepper motor driver.

    Click the link to respond:
    What is the micro-stepping value of the STB4100?

  • my motors start clicking/stepping one step at a time and if I run a toolpath, the motors run runan inch or so them stop and make a lot of noise. Scretching almost. Any ideas.

    If your motors are making a strange noise as it begins a motion, or as it ramps up to the desired speed, then it is hitting it's maximum torque. First, make sure that your motor tuning (steps/inch, velocity and acceleration) are set correctly. The steps per inch should be set according to the microstepping set on the driver, and for the specific mechanics that is being used on that axis. Step/inch = (200 * microstepping) / (number of inches for one complete revolution). Second, make sure the correct current and microstepping is set on the driver for the motor that is having issues.

    Click the link to respond:
    my motors start clicking/stepping one step at a time and if I run a toolpath, the motors run runan inch or so them stop and make a lot of noise. Scretching almost. Any ideas.

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