China manufacturer 45mm Brushed DC Motors Automobile Electric Tailgates and Window Pushers Small Motor vacuum pump adapter

Product Description

BG 45ZYT DC Brushed Motor 
Environmental Conditons -20ºC~50ºC
Lnsulation Clase B
Protection class IP44
Noise ≤65dB
Number of phases Single 
Lifespan >1000h

Electrical Specifications
 Voltage    Power  


 Torque    Current   Speed    Current   Torque   Current 
V W rpm N.m A rpm A   N.m   A  
BG 45775-01 12 10.4 2430 0.04 1.3 3000 0.4  0.25 6.7
BG 45775-02 24 21.1 3850 0.05 1.25 4500 0.25  0.4 8.3
We can also customize products according to customer requirements .  

 Planetary Gear Motor Technical Data-BG
Ratio 10.2 19.2  26.9  188 264 721 669 1911
NO-load speed 1167 700 437 175 98 87.5 58 36
Rated speed(rpm) 1000 600 375 150 83 75 50 31
Rated torque( 0.34 0.65 0.9 5.6 7.9 15 15 15


Established in 1994, HangZhou BG Motor Factory is a professional manufacturer of brushless DC motors, brushed DC motors, planetary gear motors, worm gear motors, Universal motors and AC motors. We have a plant area of 6000 square meters, multiple patent certificates, and we have the independent design and development capabilities and strong technical force, with an annual output of more than 1 million units. Since the beginning of its establishment, BG motor has focused on the overall solution of motors. We manufacture and design motors, provide professional customized services, respond quickly to customer needs, and actively help customers to solve problems. Our motor products are exported to 20 countries, including the United States, Germany, Italy, the United Kingdom, Poland, Slovenia, Switzerland, Sweden, Singapore, South Korea etc.
Our founder, Mr. Sun, has more than 40 years of experience in motor technology, and our other engineers also have more than 15 years of experience, and 60% of our staff have more than 10 years of experience, and we can assure you that the quality of our motors is top notch.
The products cover AGV, underwater robots, robots, sewing machine industry, automobiles, medical equipment, automatic doors, lifting equipment, industrial equipment and have a wide range of applications.
We strive for CHINAMFG in the quality of each product, and we are only a small and sophisticated manufacturer.
Our vision: Drive the world CHINAMFG and make life better!

Q:1.What kind of motors can you provide?

A:At present, we mainly produce brushless DC motors, brush DC motors, AC motors, Universal Motors; the power of the motor is less than 5000W, and the diameter of the motor is not more than 200mm;

Q:2.Can you send me a price list?

A:For all of our motors, they are customized based on different requirements like lifetime, noise,voltage,and shaft etc. The price also varies according to annual quantity. So it’s really difficult for us to provide a price list. If you can share your detailed requirements and annual quantity, we’ll see what offer we can provide.

Q:3.Can l get some samples?

A:It depends. If only a few samples for personal use or replacement, I am afraid it’ll be difficult for us to provide because all of our motors are custom made and no stock available if there are no further needs. If just sample testing before the official order and our MOQ,price and other terms are acceptable,we’d love to provide samples.

Q4:Can you provide OEM or ODM service?

A:Yes,OEM and ODM are both available, we have the professional R&D dept which can provide professional solutions for you.

Q5:Can l visit your factory before we place an order?

A:welcome to visit our factory,wear every pleased if we have the chance to know each other more.

Q:6.What’s the lead time for a regular order?

A:For orders, the standard lead time is 15-20 days and this time can be shorter or longer based on the different model,period and quantity.

Application: Universal, Industrial, Household Appliances, Car, Power Tools, Robot Arm
Operating Speed: Low Speed
Excitation Mode: DC
Function: Driving
Casing Protection: Closed Type
Number of Poles: Can Be Choosen
US$ 0/Piece
1 Piece(Min.Order)




gear motor

What types of feedback mechanisms are commonly integrated into gear motors for control?

Gear motors often incorporate feedback mechanisms to provide control and improve their performance. These feedback mechanisms enable the motor to monitor and adjust its operation based on various parameters. Here are some commonly integrated feedback mechanisms in gear motors:

1. Encoder Feedback:

An encoder is a device that provides position and speed feedback by converting the motor’s mechanical motion into electrical signals. Encoders commonly used in gear motors include:

  • Incremental Encoders: These encoders provide information about the motor’s shaft position and speed relative to a reference point. They generate pulses as the motor rotates, allowing precise measurement of position and speed changes.
  • Absolute Encoders: Absolute encoders provide the precise position of the motor’s shaft within a full revolution. They do not require a reference point and provide accurate feedback even after power loss or motor restart.

2. Hall Effect Sensors:

Hall effect sensors use the principle of the Hall effect to detect the presence and strength of a magnetic field. They are commonly used in gear motors for speed and position sensing. Hall effect sensors provide feedback by detecting changes in the motor’s magnetic field and converting them into electrical signals.

3. Current Sensors:

Current sensors monitor the electrical current flowing through the motor’s windings. By measuring the current, these sensors provide feedback regarding the motor’s torque, load conditions, and power consumption. Current sensors are essential for motor control strategies such as current limiting, overcurrent protection, and closed-loop control.

4. Temperature Sensors:

Temperature sensors are integrated into gear motors to monitor the motor’s temperature. They provide feedback on the motor’s thermal conditions, allowing the control system to adjust the motor’s operation to prevent overheating. Temperature sensors are crucial for ensuring the motor’s reliability and preventing damage due to excessive heat.

5. Hall Effect Limit Switches:

Hall effect limit switches are used to detect the presence or absence of a magnetic field within a specific range. They are commonly employed as end-of-travel or limit switches in gear motors. Hall effect limit switches provide feedback to the control system, indicating when the motor has reached a specific position or when it has moved beyond the allowed range.

6. Resolver Feedback:

A resolver is an electromagnetic device used to determine the position and speed of a rotating shaft. It provides feedback by generating sine and cosine signals that correspond to the shaft’s angular position. Resolver feedback is commonly used in high-performance gear motors requiring accurate position and speed control.

These feedback mechanisms, when integrated into gear motors, enable precise control, monitoring, and adjustment of various motor parameters. By utilizing feedback signals from encoders, Hall effect sensors, current sensors, temperature sensors, limit switches, or resolvers, the control system can optimize the motor’s performance, ensure accurate positioning, maintain speed control, and protect the motor from excessive loads or overheating.

gear motor

What is the significance of gear reduction in gear motors, and how does it affect efficiency?

Gear reduction plays a significant role in gear motors as it enables the motor to deliver higher torque while reducing the output speed. This feature has several important implications for gear motors, including enhanced power transmission, improved control, and potential trade-offs in terms of efficiency. Here’s a detailed explanation of the significance of gear reduction in gear motors and its effect on efficiency:

Significance of Gear Reduction:

1. Increased Torque: Gear reduction allows gear motors to generate higher torque output compared to a motor without gears. By reducing the rotational speed at the output shaft, gear reduction increases the mechanical advantage of the system. This increased torque is beneficial in applications that require high torque to overcome resistance, such as lifting heavy loads or driving machinery with high inertia.

2. Improved Control: Gear reduction enhances the control and precision of gear motors. By reducing the speed, gear reduction allows for finer control over the motor’s rotational movement. This is particularly important in applications that require precise positioning or accurate speed control. The gear reduction mechanism enables gear motors to achieve smoother and more controlled movements, reducing the risk of overshooting or undershooting the desired position.

3. Load Matching: Gear reduction helps match the motor’s power characteristics to the load requirements. Different applications have varying torque and speed requirements. Gear reduction allows the gear motor to achieve a better match between the motor’s power output and the specific requirements of the load. It enables the motor to operate closer to its peak efficiency by optimizing the torque-speed trade-off.

Effect on Efficiency:

While gear reduction offers several advantages, it can also affect the efficiency of gear motors. Here’s how gear reduction impacts efficiency:

1. Mechanical Efficiency: The gear reduction process introduces mechanical components such as gears, bearings, and lubrication systems. These components introduce additional friction and mechanical losses into the system. As a result, some energy is lost in the form of heat during the gear reduction process. The efficiency of the gear motor is influenced by the quality of the gears, the lubrication used, and the overall design of the gear system. Well-designed and properly maintained gear systems can minimize these losses and optimize mechanical efficiency.

2. System Efficiency: Gear reduction affects the overall system efficiency by impacting the motor’s electrical efficiency. In gear motors, the motor typically operates at higher speeds and lower torques compared to a direct-drive motor. The overall system efficiency takes into account both the electrical efficiency of the motor and the mechanical efficiency of the gear system. While gear reduction can increase the torque output, it also introduces additional losses due to increased mechanical complexity. Therefore, the overall system efficiency may be lower compared to a direct-drive motor for certain applications.

It’s important to note that the efficiency of gear motors is influenced by various factors beyond gear reduction, such as motor design, control systems, and operating conditions. The selection of high-quality gears, proper lubrication, and regular maintenance can help minimize losses and improve efficiency. Additionally, advancements in gear technology, such as the use of precision gears and improved lubricants, can contribute to higher overall efficiency in gear motors.

In summary, gear reduction is significant in gear motors as it provides increased torque, improved control, and better load matching. However, gear reduction can introduce mechanical losses and affect the overall efficiency of the system. Proper design, maintenance, and consideration of application requirements are essential to optimize the balance between torque, speed, and efficiency in gear motors.

gear motor

In which industries are gear motors commonly used, and what are their primary applications?

Gear motors find widespread use in various industries due to their versatility, reliability, and ability to provide controlled mechanical power. They are employed in a wide range of applications that require precise power transmission and speed control. Here’s a detailed explanation of the industries where gear motors are commonly used and their primary applications:

1. Robotics and Automation:

Gear motors play a crucial role in robotics and automation industries. They are used in robotic arms, conveyor systems, automated assembly lines, and other robotic applications. Gear motors provide the required torque, speed control, and directional control necessary for the precise movements and operations of robots. They enable accurate positioning, gripping, and manipulation tasks in industrial and commercial automation settings.

2. Automotive Industry:

The automotive industry extensively utilizes gear motors in various applications. They are used in power windows, windshield wipers, HVAC systems, seat adjustment mechanisms, and many other automotive components. Gear motors provide the necessary torque and speed control for these systems, enabling smooth and efficient operation. Additionally, gear motors are also utilized in electric and hybrid vehicles for powertrain applications.

3. Manufacturing and Machinery:

Gear motors find wide application in the manufacturing and machinery sector. They are used in conveyor belts, packaging equipment, material handling systems, industrial mixers, and other machinery. Gear motors provide reliable power transmission, precise speed control, and torque amplification, ensuring efficient and synchronized operation of various manufacturing processes and machinery.

4. HVAC and Building Systems:

In heating, ventilation, and air conditioning (HVAC) systems, gear motors are commonly used in damper actuators, control valves, and fan systems. They enable precise control of airflow, temperature, and pressure, contributing to energy efficiency and comfort in buildings. Gear motors also find applications in automatic doors, blinds, and gate systems, providing reliable and controlled movement.

5. Marine and Offshore Industry:

Gear motors are extensively used in the marine and offshore industry, particularly in propulsion systems, winches, and cranes. They provide the required torque and speed control for various marine operations, including steering, anchor handling, cargo handling, and positioning equipment. Gear motors in marine applications are designed to withstand harsh environments and provide reliable performance under demanding conditions.

6. Renewable Energy Systems:

The renewable energy sector, including wind turbines and solar tracking systems, relies on gear motors for efficient power generation. Gear motors are used to adjust the rotor angle and position in wind turbines, optimizing their performance in different wind conditions. In solar tracking systems, gear motors enable the precise movement and alignment of solar panels to maximize sunlight capture and energy production.

7. Medical and Healthcare:

Gear motors have applications in the medical and healthcare industry, including in medical equipment, laboratory devices, and patient care systems. They are used in devices such as infusion pumps, ventilators, surgical robots, and diagnostic equipment. Gear motors provide precise control and smooth operation, ensuring accurate dosing, controlled movements, and reliable functionality in critical medical applications.

These are just a few examples of the industries where gear motors are commonly used. Their versatility and ability to provide controlled mechanical power make them indispensable in numerous applications requiring torque amplification, speed control, directional control, and load distribution. The reliable and efficient power transmission offered by gear motors contributes to the smooth and precise operation of machinery and systems in various industries.

China manufacturer 45mm Brushed DC Motors Automobile Electric Tailgates and Window Pushers Small Motor   vacuum pump adapter	China manufacturer 45mm Brushed DC Motors Automobile Electric Tailgates and Window Pushers Small Motor   vacuum pump adapter
editor by CX 2023-12-12

Gear Motor

As one of the gear motor manufacturers, suppliers, and exporters of mechanical products, We offer gear motors and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of gear motors.

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