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Stepper Motors

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Holding Torque

kg.cm  –  kg.cm

  • 0.35kg.cm
  • 30kg.cm
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Stepper motors are DC motors that move in discrete steps. They have multiple coils that are organized in groups called "phases". By energizing each phase in sequence, the motor will rotate, one step at a time. With a computer controlled stepping you can achieve very precise positioning and/or speed control. For this reason, stepper motors are the motor of choice for many precision motion control applications. Stepper motors come in many different sizes and styles and electrical characteristics. 

What are stepper motors good for:

  • Positioning – Since steppers move in precise repeatable steps, they excel in applications requiring precise positioning such as 3D printers, CNC, Camera platforms and X,Y Plotters. Some disk drives also use stepper motors to position the read/write head.
  • Speed Control – Precise increments of movement also allow for excellent control of rotational speed for process automation and robotics.
  • Low Speed Torque - Normal DC motors don't have very much torque at low speeds. A Stepper motor has maximum torque at low speeds, so they are a good choice for applications requiring low speed with high precision.
What are their limitations:
  • Low Efficiency – Unlike DC motors, stepper motor current consumption is independent of load. They draw the most current when they are doing no work at all. Because of this, they tend to run hot.
  • Limited High Speed Torque - In general, stepper motors have less torque at high speeds than at low speeds. Some steppers are optimized for better high-speed performance, but they need to be paired with an appropriate driver to achieve that performance.
  • No Feedback – Unlike servo motors, most steppers do not have integral feedback for position. Although great precision can be achieved running ‘open loop’. Limit switches or ‘home’ detectors are typically required for safety and/or to establish a reference position.
Conversion Calculator
14.80
Step Angle: 1.8, Holding Torque: 4kg.cm, Rated Voltage: 4.8Volt, 1.5A/Phase, NEMA 17, Ender Series, CR-20 Pro, Creality 3D, China
Creality 3D Stepper Motor 42-34. The table bellow shows which size stepper motor that fits which axis on the different Creality 3D models:...
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14.80
Step Angle: 1.8, Holding Torque: 4kg.cm, Rated Voltage: 4.8Volt, 1.5A/Phase, NEMA 17, Ender Series, CR-20 Pro, Creality 3D, China
Creality 3D Stepper Motor 42-40. The table bellow shows which size stepper motor that fits which axis on the different Creality 3D models:...
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2.50
Holding Torque: 0.35kg.cm, Rated Voltage: 5Volt, OEM, China

The 28BYJ-48 is a small stepper motor suitable for a large range of applications. 

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2.50
Holding Torque: 0.35kg.cm, Rated Voltage: 12Volt, OEM, China
This is a great first stepper motor, good for small projects and experimenting with steppers. This uni-polar motor has a built in mounting plate with two...
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12.60
Step Angle: 1.8, Holding Torque: 2.8kg.cm, Rated Voltage: 12Volt, 0.4A/Phase, NEMA 17, Wantai Motors, China
High-torque stepper motor in size NEMA 17 (42 mm) with 1.8° step angle (full step) with D-Shaft for easy and reliable connection with coupler. T hese...
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15.90
Step Angle: 1.8, Holding Torque: 4.8kg.cm, Rated Voltage: 3.6Volt, 1.2A/Phase, NEMA 17, Wantai Motors, China
High-torque stepper motor in size NEMA 17 (42 mm) with 1.8° step angle (full step) with D-Shaft for easy and reliable connection with coupler. T hese...
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We (GRobotronics) will add your email address to a special mailing list for this product. Once the product is in stock, you’ll get an email about it automatically, and your email address will be removed from the product’s mailing list.

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16.90
Step Angle: 0.9, Holding Torque: 4.5kg.cm, Rated Voltage: 3Volt, 1.7A/Phase, NEMA 17, Wantai Motors, China
These steppers are a great way to get things moving, especially when positioning and repeatability is a concern.
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39.90
Step Angle: 0.34, Holding Torque: 18.6kg.cm, Rated Voltage: 4.2Volt, 1.5A/Phase, Wantai Motors, China
High-torque stepper motor with 0.34° step angle (full step) with D-Shaft for easy and reliable connection with coupler. T hese steppers are a great way to...
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23.90
Step Angle: 1.8, Holding Torque: 9kg.cm, Rated Voltage: 3.6Volt, 2A/Phase, NEMA 23, Wantai Motors, China

These steppers are a great way to get things moving, especially when positioning and repeatability is a concern.

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29.90
Step Angle: 1.8, Holding Torque: 19kg.cm, Rated Voltage: 3Volt, 3.0 A/Phase, NEMA 23, Wantai Motors, China
High-torque stepper motor in size NEMA 23 (56mm) with 1.8° step angle (full step) with D-Shaft for easy and reliable connection with coupler. T hese...
Out of Stock
Product out of stock
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We (GRobotronics) will add your email address to a special mailing list for this product. Once the product is in stock, you’ll get an email about it automatically, and your email address will be removed from the product’s mailing list.

The data will be visible to some members of our staff. If you’d like to have your personal data removed, send an email to dpo@grobotronics.com.

If you believe that your personal data has been misused, you have the right to lodge a complaint with a supervisory authority. We’re obliged by EU General Data Protection Regulation to let you know about this right; we don’t actually intend to misuse your data.

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41.90
Step Angle: 1.8, Holding Torque: 30kg.cm, Rated Voltage: 4.8Volt, 3.0 A/Phase, NEMA 23, Wantai Motors, China
These steppers are a great way to get things moving, especially when positioning and repeatability is a concern. This is a  Bipolar  motor.
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