China Standard 12V 24V 36V 48V 310V Electric DC Brushless Geared Servo Motor/ BLDC Motor with Encoder / Planetary Gearb Ox / Brake supplier

Product Description

Product Description

12v 24v 36v 48v 310v Electric DC Brushless Geared Servo Motor/ BLDC Motor with Encoder / Planetary Gearb OX / Brake
The specifications can be designed according to the customer’s requirements!


swimming pool, automotive, semiconductor, chemical & medical, industrial automation, power tool, medical instrument, measuring equipment, office automation, various OEM application.

Drawing of 40mm Brushless DC Servo Motor 

Drawing of 80mm Brushless DC Servo Motor

Drawing of 110mm Brushless DC Servo Motor

 40mm Brushless DC Servo Motor:

Motor Model BS401-01615 BS401-03230 BS401-01603 BS401-03206
Number of Phase 3 3 3 3
Number of Poles 8 8 8 8
Rated Voltage(VAC/VDC) 48 48 220 220
Rated Speed(Rpm) 3 BS801-16033 BS801-23950
Number of Phases 3 3 3
Number of Poles 8 8 8
Rated Voltage(VDC/VAC) 48 220 220
Rated Speed(Rpm) 3 BS1101-20571 BS1101-40050 BS1101-60060
Number of Phases 3 3 3 3
Number of Poles 8 8 8 8
Rated Voltage(VDC/VAC) 48 220 220 220
Rated Speed(Rpm) 3000 3000 3000 3000
Rated Torque(N.m) 2 2 4 6
Rated Power(W) 600 600 1200 1800
Rated Current(A) 17 2.5 5 6
Peak Current(A) 51 7.5 15 18
Peak Torque(N.M) 6 6 12 18
Rotor Inertia(kg.cm2) 3.1 3.1 5.4 7.6
Torque Constant(N.m/A) 0.11 0.8 0.8 1.0
Torque Constant(V/krpm) 10 56 54 60
Line-Line Resistance(Ω) 0.6 3.6 1.09 0.81
Line-Line Inductance(mH) 0.4 8.32 3.3 2.59
Length(mm) 102 102 132 162
Weight(kg) 4.5 4.5 5.5 6.7
Encoder line number (ppr) 1000,2500

The above inforamtion is just for your information. We could customized the products as your requirements.

Company Profile



Founded in 2006, I.CH is a professional Micro Metal Gear Motor factory over 16years. We have worked with over 50 countries’ customers arround world. We have over 20 patents in gearbox field.

We focus on the development of planetary gearbox and matched different type of motors, such as DC brush motor, Brushless DC Motor, Stepper Motor and Servo Motor. Custom Service for micro gear motor with encoder and dual shaft in special specification, The light weight with high torque and low speed is widely used in a variety of industrial, home application and hobby appliance.




Countrie’s Customers




                                       Factory Area



Customer Visiting

Welcom to visit our factory


Factory Ability

Packaging & Shipping

-Pack by PE foam in cartons, crates and pallets;
-Shipping via sea, air, courier;
-Lead-time: 3-8 weeks.

Related Products


Q1. What phase is this stepping motor?
A: It is 2 phase with 1.8deg.
Q2. What is frame size for NEMA 8 Step Geared motor?
A: It is 20mm*20mm size.
Q3. I need a non-standard motor for my application, can you help?
A: Certainly, most of our customers request custom configurations in 1 form or another. If you plan on replacing a motor in an existing application, just send us a drawing or sample and we can help you find a suitable replacement. Alternatively, contact us and describe your application, our engineers will work with you to create a solution tailor-made for you.

Q4:How can I get your quotation of electrical step engine?
A:Please send us the details of the stepper motors you are in need of, also includes the quantity. 

Q. What are your Stepper Motors can be use to?
A: Our step motors can be use in CNC routers, CNC milling machine, engraving machine, packaging machine, filling machine, cutting machine, printing machine, laser machine, carving machine, labeling machine, CCTV and robot.
Q. What kind of Payment methods do you accept?
A: We can accept Paypal and , TT.
Q: What kind of shipping methods do you use?
A:1) For samples or small batch of micro stepper motor, air shipping is recommended. (DHL, Fedex, TNT, UPS, EMS), We will provide the tracking No. Once we get it after we ship out the products. 
2)For mass production or big batch of stepping motors, CHINAMFG shipping/sea shipment is recommended . 
Q: What is the lead time of stepper motors?
A: For mass production, the lead time depends on the quantities you need .
Q: What is your warranty time?
A: Warranty time: 12 months. And we provide life-long technical service and after-sale service.
Q: Can you make customized shaft?
A: We can make single shaft, double shaft or other shape.
Q: What is NEMA size of this motor?
A: It is NEMA 8 with 1.8 degree or 0.9 degree.

Q: What it the application for NEMA 8 StepperGeared Motor
A: It could used as 3D Printer motor. 
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Application: Universal, Industrial, Household Appliances, Power Tools
Operating Speed: Low Speed
Function: Control, Driving
Casing Protection: Protection Type
Number of Poles: 8
Structure and Working Principle: Brushless


servo motor

How are servo motors used in CNC machines and other precision machining equipment?

Servo motors play a crucial role in CNC (Computer Numerical Control) machines and other precision machining equipment. They provide precise and dynamic control over the movement of various axes, enabling high-accuracy positioning, rapid speed changes, and smooth motion profiles. Here’s a detailed explanation of how servo motors are used in CNC machines and precision machining equipment:

1. Axis Control:

CNC machines typically have multiple axes, such as X, Y, and Z for linear movements, as well as rotary axes for rotational movements. Servo motors are employed to drive each axis, converting electrical signals from the CNC controller into mechanical motion. The position, velocity, and acceleration of the servo motors are precisely controlled to achieve accurate and repeatable positioning of the machine’s tool or workpiece.

2. Feedback and Closed-Loop Control:

Servo motors in CNC machines are equipped with feedback devices, such as encoders or resolvers, to provide real-time information about the motor’s actual position. This feedback is used in a closed-loop control system, where the CNC controller continuously compares the desired position with the actual position and adjusts the motor’s control signals accordingly. This closed-loop control ensures accurate positioning and compensates for any errors, such as mechanical backlash or load variations.

3. Rapid and Precise Speed Changes:

Servo motors offer excellent dynamic response, allowing CNC machines to achieve rapid and precise speed changes during machining operations. By adjusting the control signals to the servo motors, the CNC controller can smoothly accelerate or decelerate the machine’s axes, resulting in efficient machining processes and reduced cycle times.

4. Contouring and Path Tracing:

CNC machines often perform complex machining tasks, such as contouring or following intricate paths. Servo motors enable precise path tracing by accurately controlling the position and velocity of the machine’s tool along the programmed path. This capability is crucial for producing intricate shapes, smooth curves, and intricate details with high precision.

5. Spindle Control:

In addition to axis control, servo motors are also used to control the spindle in CNC machines. The spindle motor, typically a servo motor, rotates the cutting tool or workpiece at the desired speed. Servo control ensures precise speed and torque control, allowing for optimal cutting conditions and surface finish quality.

6. Tool Changers and Automatic Tool Compensation:

CNC machines often feature automatic tool changers to switch between different cutting tools during machining operations. Servo motors are utilized to precisely position the tool changer mechanism, enabling quick and accurate tool changes. Additionally, servo motors can be used for automatic tool compensation, adjusting the tool’s position or orientation to compensate for wear, tool length variations, or tool offsets.

7. Synchronized Motion and Multi-Axis Coordination:

Servo motors enable synchronized motion and coordination between multiple axes in CNC machines. By precisely controlling the servo motors on different axes, complex machining operations involving simultaneous movements can be achieved. This capability is vital for tasks such as 3D contouring, thread cutting, and multi-axis machining.

In summary, servo motors are integral components of CNC machines and precision machining equipment. They provide accurate and dynamic control over the machine’s axes, enabling high-precision positioning, rapid speed changes, contouring, spindle control, tool changers, and multi-axis coordination. The combination of servo motor technology and CNC control systems allows for precise, efficient, and versatile machining operations in various industries.

servo motor

Can you explain the concept of torque and speed in relation to servo motors?

Torque and speed are two essential parameters in understanding the performance characteristics of servo motors. Let’s explore these concepts in relation to servo motors:


Torque refers to the rotational force produced by a servo motor. It determines the motor’s ability to generate rotational motion and overcome resistance or load. Torque is typically measured in units of force multiplied by distance, such as Nm (Newton-meter) or oz-in (ounce-inch).

The torque output of a servo motor is crucial in applications where the motor needs to move or control a load. The motor must provide enough torque to overcome the resistance or friction in the system and maintain the desired position or motion. Higher torque allows the motor to handle heavier loads or more challenging operating conditions.

It is important to note that the torque characteristics of a servo motor may vary depending on the speed or position of the motor. Manufacturers often provide torque-speed curves or torque-position curves, which illustrate the motor’s torque capabilities at different operating points. Understanding these curves helps in selecting a servo motor that can deliver the required torque for a specific application.


Speed refers to the rotational velocity at which a servo motor operates. It indicates how fast the motor can rotate and how quickly it can achieve the desired position or motion. Speed is typically measured in units of revolutions per minute (RPM) or radians per second (rad/s).

The speed of a servo motor is crucial in applications that require rapid movements or high-speed operations. It determines the motor’s responsiveness and the system’s overall performance. Different servo motors have different speed capabilities, and the maximum achievable speed is often specified by the manufacturer.

It is worth noting that the speed of a servo motor may also affect its torque output. Some servo motors exhibit a phenomenon known as “speed-torque curve,” where the motor’s torque decreases as the speed increases. This behavior is influenced by factors such as motor design, winding resistance, and control algorithms. Understanding the speed-torque characteristics of a servo motor is important for selecting a motor that can meet the speed requirements of the application while maintaining sufficient torque.

Overall, torque and speed are interrelated parameters that determine the performance capabilities of a servo motor. The torque capability determines the motor’s ability to handle loads, while the speed capability determines how quickly the motor can achieve the desired motion. When selecting a servo motor, it is essential to consider both the torque and speed requirements of the application to ensure that the motor can deliver the desired performance.

servo motor

Can servo motors be used in robotics, and if so, how are they implemented?

Yes, servo motors are commonly used in robotics due to their precise control capabilities and suitability for a wide range of robotic applications. When implementing servo motors in robotics, several factors need to be considered. Here’s an overview of how servo motors are used and implemented in robotics:

1. Joint Actuation:

Servo motors are often used to actuate the joints of robotic systems. Each joint in a robot typically requires a motor to control its movement. Servo motors provide the necessary torque and angular control to accurately position the joint. They can rotate between specific angles, allowing the robot to achieve the desired configuration and perform precise movements.

2. Position Control:

Servo motors excel at position control, which is essential for robotics applications. They can accurately maintain a specific position and respond quickly to control signals. By incorporating servo motors in robotic joints, precise positioning control can be achieved, enabling the robot to perform tasks with accuracy and repeatability.

3. Closed-Loop Control:

Implementing servo motors in robotics involves utilizing closed-loop control systems. Feedback sensors, such as encoders or resolvers, are attached to the servo motors to provide real-time feedback on the motor’s position. This feedback is used to continuously adjust the motor’s behavior and ensure accurate positioning. Closed-loop control allows the robot to compensate for any errors or disturbances and maintain precise control over its movements.

4. Control Architecture:

In robotics, servo motors are typically controlled using a combination of hardware and software. The control architecture encompasses the control algorithms, microcontrollers or embedded systems, and communication interfaces. The control system receives input signals, such as desired joint positions or trajectories, and generates control signals to drive the servo motors. The control algorithms, such as PID control, are used to calculate the appropriate adjustments based on the feedback information from the sensors.

5. Kinematics and Dynamics:

When implementing servo motors in robotics, the kinematics and dynamics of the robot must be considered. The kinematics deals with the study of the robot’s motion and position, while the dynamics focuses on the forces and torques involved in the robot’s movement. Servo motors need to be properly sized and selected based on the robot’s kinematic and dynamic requirements to ensure optimal performance and stability.

6. Integration and Programming:

Servo motors in robotics need to be integrated into the overall robot system. This involves mechanical mounting and coupling the motors to the robot’s joints, connecting the feedback sensors, and integrating the control system. Additionally, programming or configuring the control software is necessary to define the desired movements and control parameters for the servo motors. This programming can be done using robot-specific programming languages or software frameworks.

By utilizing servo motors in robotics and implementing them effectively, robots can achieve precise and controlled movements. Servo motors enable accurate positioning, fast response times, and closed-loop control, resulting in robots that can perform tasks with high accuracy, repeatability, and versatility. Whether it’s a humanoid robot, industrial manipulator, or collaborative robot (cobot), servo motors play a vital role in their actuation and control.

China Standard 12V 24V 36V 48V 310V Electric DC Brushless Geared Servo Motor/ BLDC Motor with Encoder / Planetary Gearb Ox / Brake   supplier China Standard 12V 24V 36V 48V 310V Electric DC Brushless Geared Servo Motor/ BLDC Motor with Encoder / Planetary Gearb Ox / Brake   supplier
editor by CX 2024-04-16