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NEMA 11 Stepper Motor

NEMA 11 Stepper Motor inch28x28 MMSeries two-phase (four-phase ) stepper motor stands out as a compact yet powerful option, well-suited for applications where space is limited, and precision is crucial. This small but powerful devices have revolutionized various industries by providing accurate and controlled movements in a compact package.

  • 28H

  • CS

  • 8501109990

  • 28mm

  • 2 or 4 phase

  • 0.67A~0.95A

  • 0.43kg.cm~1.2kg.cm

  • 32mm~51mm

Availability:
Quantity:



NEMA 11 Small Stepper Motor made by the manufacturer&supplier -Cosda Automation



NEMA 11 Stepper Motor Description:



We're the professional hybrid stepper motor manufacturer. A NEMA 11 stepper motor belongs to a family of stepper motors that comply with the National Electrical Manufacturers Association (NEMA) standard. These motors are designed to deliver precise movements in a step-by-step manner. The NEMA 11 designation indicates the motor's size, with a 1.1-inch (28mm) faceplate dimension. Despite their compact size, these motors boast high torque and excellent control capabilities.




NEMA 11 Hybrid Stepper motor made by the stepper motor manfacturer Cosda Automation has the following characters :



Small size NEMA 11 Stepper Motor 28mm hybrid stepper motor

Model: NEMA11, 28H

Phase: 2phase or 4 phase

Stepper Angle: 200 steps per revolution (1.8 deg/step)1.8º

Low Current

High Holding Torque

Lead wire no.: 4 or 6 wires

Speed: low or high speed

Shape: Square



NEMA 11 Stepper Motor Features:

  


Some of the main features of a NEMA 11 stepper motor include:

● High torque-to-size ratio

● Accurate positioning and repeatability

● Low power consumption

● Smooth and quiet operation

● Easy to control and program

● Available in a range of step angles and holding torques



NEMA 11 Stepper Motor Paramaters:



Step Angle----------------------------- 1.8°±5%

Temperature Rise-------------------------- 80℃ Max.

Insulation Resistant-------- 100MΩ Min.,500VDC

Dielectric Strength-------- 500VAC for one minute

Ambient Temperature ---------- —20℃~+50℃

Shaft Radial Play------------------------------- 0.02Max.(450 g-load)



NEMA 11 Stepper Motor Technical Specs:




Model No.

Rated Voltage

Current

Inductance

Resistance

Holding Torque

Weight

No.of leads

Rotor Inertia

Length

Signal shaft

Double Shaft

V

A

mh

Oz-in

Kg-cm

kg


g-cm2

mm

CS28H32-0956A

CS28H32-0956B

2.66

0.95

1.0

2.8

6

0.43

0.11

6

9

32

CS28H32-0674A

CS28H32-0674B

3.8

0.67

4.2

5.6

8.3

0.6

0.11

4

9

32

CS28H45-0956A

CS28H45-0956B

3.2

0.95

1.2

3.4

10.4

0.75

0.14

6

12

45

CS28H45-0674A

CS28H45-0674B

4.6

0.67

4.9

6.8

13.2

0.95

0.14

4

12

45

CS28H51-0956A

CS28H51-0956B

4.4

0.95

1.4

4.6

12.5

0.9

0.2

6

18

51

CS28H51-0674A

CS28H51-0674B

6.2

0.67

5.7

9.2

16.7

1.2

0.2

4

18

51



NEMA 11 Stepper Motor Dimensions :




Nema 11 stepper motor



NEMA 11 Stepper Motor Wiring Diagram : 




4 wires6 wires




NEMA 11 Stepper Motor Wire Colors can be customized


The stepper motors can be customized according to the customers' requirements.




NEMA 11 Stepper Motor Customizable Factors:



● Motor Shaft

● Cable

● Connector

● Encoder

● Brake

● Gearbox



NEMA 11 Stepper Motor Data Sheet Download 



NEMA 11 Hybrid Stepper Motor.pdf



Working Principle of NEMA 11 Stepper Motors



NEMA 11 stepper motors operate on the principle of electromagnetism. The motor's rotor moves in discrete steps, thanks to the magnetic field generated by the stator's coils. By energizing the coils in a specific sequence, the motor achieves rotational movement. This step-wise motion allows for accurate positioning, making NEMA 11 stepper motors ideal for applications that require precision.



Advantages of NEMA 11 Stepper Motors



NEMA 11 stepper motors offer several advantages that make them popular in various industries:


Precise Positioning


Due to their inherent step-wise motion, NEMA 11 stepper motors provide precise positioning control, ensuring repeatable and accurate movements.


Open-Loop Control


One of the significant advantages of NEMA 11 stepper motors is their open-loop control. Unlike servo motors, which require feedback systems for closed-loop control, stepper motors can achieve accurate positioning without the need for external feedback.


Compact Size


The small form factor of NEMA 11 stepper motors makes them suitable for applications where space is limited, such as in medical devices, cameras, and small robotics.


High Torque


Despite their size, NEMA 11 stepper motors can deliver significant torque, making them capable of handling varying load requirements effectively.


Energy Efficiency


These motors consume power only when a step is executed, leading to better energy efficiency compared to other motion control options.



Applications of NEMA 11 Stepper Motors



NEMA 11 stepper motors find applications in diverse industries, thanks to their unique features:


3D Printing


In the world of additive manufacturing, NEMA 11 stepper motors provide precise control over the 3D printer's movements, ensuring accurate layer-by-layer deposition.


Camera Autofocus Mechanism


In modern camera systems, NEMA 11 stepper motors drive autofocus mechanisms, enabling quick and accurate focusing for capturing sharp images.


Laboratory Automation


NEMA 11 stepper motors play a crucial role in laboratory automation, precisely handling sample positioning and liquid handling tasks.


Medical Devices


From precision syringe pumps to robotic surgical tools, NEMA 11 stepper motors are vital components in various medical devices.


Robotics


Small-scale robotics applications, such as in miniature robotic arms or drones, benefit from the compact and powerful nature of NEMA 11 stepper motors.



How to Choose the Right NEMA 11 Stepper Motor



Selecting the appropriate NEMA 11 stepper motor for a specific application requires consideration of several factors:


Torque Requirements


Evaluate the torque needed to drive the load in your application and choose a motor that meets or exceeds this requirement.


Step Angle


The step angle determines the motor's resolution. Consider the required precision and select the appropriate step angle accordingly.


Voltage and Current Ratings


Ensure that the motor's voltage and current ratings are compatible with the driver and power supply to achieve optimal performance.


Microstepping


Microstepping allows the motor to move between its regular steps, providing smoother motion and reducing vibration and noise.


Shaft Configuration


Different shaft configurations (single shaft or double shaft) suit various coupling methods and mechanical setups.


Environmental Considerations


Consider factors such as temperature range, humidity, and dust exposure to choose a motor that can withstand the operating environment.



How to Drive and Control NEMA 11 Stepper Motors?



NEMA 11 stepper motors can be driven and controlled in several ways, including:


Full Step vs. Half Step vs. Microstepping


Full step mode provides maximum torque but lower resolution, while microstepping provides smoother motion with increased resolution. Half step mode strikes a balance between the two.


Stepper Motor Drivers


Stepper motor drivers convert digital signals from a controller into the appropriate current levels to drive the motor accurately.



Installing and Operating NEMA 11 Stepper Motors



Proper installation and operation are essential for maximizing the performance and lifespan of NEMA 11 stepper motors:


Mounting


Follow the manufacturer's guidelines for mounting the motor securely to prevent vibration and misalignment issues.


Wiring


Ensure correct wiring connections to the driver, following the motor and driver datasheets.


Driver Settings


Configure the driver settings properly, such as current limits and microstepping, to optimize motor performance.


Test and Calibration


Perform thorough testing and calibration to ensure the motor operates as expected within the application.



Maintenance and Troubleshooting Tips



To keep NEMA 11 stepper motors in optimal condition, follow these maintenance tips:


Regular Lubrication


Apply appropriate lubrication to reduce friction and wear on moving parts.


Inspection


Periodically inspect the motor for any signs of damage or loose connections.


Heat Management


Ensure proper ventilation and cooling to prevent overheating during prolonged operation.


Troubleshooting


If the motor exhibits any performance issues, refer to the manufacturer's troubleshooting guide or seek professional assistance.



Future Trends in Stepper Motor Technology



The field of stepper motor technology is continually evolving, and some emerging trends include:


● Integration with IoT: Stepper motors are being integrated into the Internet of Things (IoT) ecosystem, enabling remote monitoring and control.


● Smarter Control Algorithms: Advanced control algorithms optimize motor performance and reduce energy consumption.


● Miniaturization: The ongoing trend of miniaturization will lead to even smaller yet more powerful NEMA 11 stepper motors.



FAQs for NEMA 11 Hybrid Stepper Motor :



1. Can NEMA 11 stepper motors be used in high-temperature environments?


Yes, some NEMA 11 stepper motors are designed to operate in high-temperature environment


2. What is the typical step angle of a NEMA 11 stepper motor?


The typical step angle of a NEMA 11 stepper motor is 1.8 degrees, which means it takes 200 steps for a full 360-degree revolution.


3. Are NEMA 11 stepper motors suitable for continuous operation?


NEMA 11 stepper motors are generally better suited for intermittent or cyclic operations rather than continuous operation. Prolonged continuous operation may lead to overheating and reduced lifespan.


4. Can I drive a NEMA 11 stepper motor without a driver?


No, you cannot drive a NEMA 11 stepper motor directly without a driver. Stepper motor drivers are essential to provide the necessary control signals and power to the motor.


5. Are NEMA 11 stepper motors compatible with all microcontrollers?


NEMA 11 stepper motors can work with various microcontrollers, but it's essential to ensure that the driver and microcontroller's output signals are compatible.



FAQs for the factory : 



1. Are you a factory?


Yes, we are facotry, and we produce Stepper Motor& Stepper Motor Driver,  Switching Power supply, Short Cycle Press Line and other automatic machines.


2. How to select models?


Before purchasing, please contact us to confirm model No. and drawings to avoid any misunderstanding.


3. Do you offer OEM & ODM service? 


Yes.We can supply OEM&ODM and make customized design for any specific application.


4. How can we know the product quality?


We suggest you ording a sample. And you can also send us email with detailed photos and specifications for checking if you cannot get enough information in the product page.


5. What's the delivery time?


Except special order.For samples usually 10-14 working days .For batch order .Usually 17-25days. For Stock motors usually 1~2 days.

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