China OEM Factory Electric 37mm Gear Box DC 12V/24V Gear Motor for Medical Equipments/ATM Machine/Toys wholesaler

Product Description

Factory Electric 37mm Gear Box DC 12V/24V Gear Motor for Medical Equipments/ATM Machine/Toys



Greatupmotor group was set up in 2006.we always focus on micro-motors for household electrical appliance and industry appliance since setting up.currently we have 2 professional micro-motor factories in China  which severally located in HangZhou city and HangZhou has an area of 25,000 square CHINAMFG plants and more than 300 employees, annual output  is 3 million pcs and has 5 million pcs annual producing capacity.after several years development,we had built a great reputation in the market and got more and more customers’  trust in the world.
We  started from shaded pole motors  at beginning, up to now,our product  included of shaded pole motors,synchronous motors,stepping motors ,capacitor motors, BLDC motors, DC motors and compressors. Our product  are widely used for making refrigerators, freezers, micro-wave ovens, air warmers, air exhausters, ventilators,ovens, air filter, massage machines and many other equipments.
As a realiable quality guaranty,Ritscher has complete R&D departement,QC department,producing department,purchase department etc. has perfect producing equipment like Aluminum diecasting, Zinc diecasting, Sheet metal stamping, Plastic injection molding etc. also test/ detection device like multiplex temp measuring device, performance parameter inspection device, Phenol peptide solution pinhole tester,Anechoic room etc.
Endeavoring to provide the best product and service to customers,we always do the most effort to become an outstanding manufacturer of micro motors.
Ritscher is always willing to establish sincere business relationship with friends from all over the world.
Welcome contact with us!
Take Greatupmotor ,enjoy modern life!

Our company FAQ for you

(1) Q: What kind motors you can provide?
A:For now,we mainly provide Kitchen Hood Motor,DC Motor,Gear Motor,Fan Motor Refrigerator Motor,Hair Dryer Motor Blender Motor Mixer Motor,
Shade Pole Motor,Capacitor Motor,BLDC Motor PMDC Motor,Synchronous Motor,Stepping Motor etc.

(2) Q: Is it possible to visit your factory
A: Sure. But please kindly keep us posted a few days in advance. We need to check our
schedule to see if we are available then.

(3) Q: Can I get some samples
A: It depends. If only a few samples for personal use or replacement, I am afraid it will
be difficult for us to provide, because all of our motors are custom made and no stock
available if there is 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.

(4) Q: Is there a MOQ for your motors?
A: Yes. The MOQ is between 1000~10,000pcs for different models after sample approval.
But it’s also okay for us to accept smaller lots like a few dozens, hundreds or thousands
For the initial 3 orders after sample approval.For samples, there is no MOQ requirement. But the less the better (like no more than 5pcs) on condition that the quantity is enough in case any changes needed after initial testing.

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Application: Automation Equipment, Audio and Video Equipment, Moving Machinery
Operating Speed: Adjust Speed
Power Source: DC Motor
Function: Control, Driving
Casing Protection: Protection Type
Number of Poles: 2
US$ 1/Piece
1 Piece(Min.Order)




dc motor

Can you explain the basic working principle behind a DC motor?

A DC (Direct Current) motor operates based on the fundamental principle of electromagnetic induction. It converts electrical energy into mechanical motion by utilizing the interaction between magnetic fields and current-carrying conductors. Here’s a detailed explanation of the basic working principle behind a DC motor:

1. Construction:

A DC motor consists of several key components:

  • Stator: The stator is the stationary part of the motor and typically consists of permanent magnets or electromagnets that produce a fixed magnetic field.
  • Rotor: The rotor is the moving part of the motor and is connected to the shaft. It contains coils or windings that carry the armature current.
  • Armature: The armature is the core of the rotor that holds the armature windings. The windings are usually made of copper wire and are evenly spaced around the armature.
  • Commutator: The commutator is a cylindrical ring attached to the rotor shaft. It consists of multiple segments, usually made of copper, that are insulated from each other.
  • Brushes: The brushes are stationary contacts that make physical contact with the commutator segments. They are typically made of carbon or graphite and provide electrical connections to the armature windings.

2. Electromagnetic Induction:

When a current-carrying conductor is placed in a magnetic field, it experiences a force due to the interaction between the magnetic field and the current. This phenomenon is described by the right-hand rule, where the direction of the force is perpendicular to both the current direction and the magnetic field direction.

3. Motor Operation:

When a DC motor is powered, a DC voltage is applied to the armature windings through the brushes and commutator. The current flowing through the armature windings creates a magnetic field around the windings. This magnetic field interacts with the fixed magnetic field produced by the stator, resulting in a force that causes the rotor to rotate.

4. Commutation:

The commutation process is crucial for the continuous rotation of the rotor in a DC motor. As the rotor spins, the brushes make contact with different commutator segments, effectively reversing the direction of the current in the armature windings at the appropriate timing. This reversal of current flow ensures that the torque generated in the armature windings is always in the same direction, allowing for continuous rotation of the rotor.

5. Speed Control:

The speed of a DC motor can be controlled by varying the applied voltage. Reducing the voltage results in a decrease in the magnetic field strength, which in turn decreases the force acting on the armature windings. This reduction in force leads to a decrease in the motor’s speed. Conversely, increasing the voltage increases the speed of the motor. Precise speed control can be achieved by using electronic circuits to regulate the voltage supplied to the motor.

6. Advantages and Applications:

DC motors offer several advantages, including:

  • High starting torque, making them suitable for applications requiring high initial force.
  • Excellent speed control capabilities, allowing for precise and adjustable speed regulation.
  • Relatively simple construction and ease of maintenance.
  • Wide range of sizes and power ratings, making them adaptable to various applications.

DC motors find extensive use in numerous applications, such as robotics, industrial automation, electric vehicles, appliances, and more.

By understanding the basic working principle behind a DC motor, one can appreciate its functionality and explore its applications in different fields.

dc motor

Are there specific types of DC motors designed for different industries or applications?

Yes, there are specific types of DC (Direct Current) motors that are designed and optimized for various industries and applications. DC motors offer a wide range of performance characteristics, allowing them to be tailored to specific requirements. Here’s a detailed explanation of the types of DC motors designed for different industries or applications:

1. Brushed DC Motors:

Brushed DC motors are commonly used in applications that require simple and cost-effective motor solutions. They are suitable for applications with lower efficiency requirements and where maintenance considerations are manageable. Some common industries and applications that use brushed DC motors include:

  • Automotive: Power window mechanisms, windshield wipers, cooling fans, and seat adjustment systems.
  • Consumer Electronics: Household appliances, toys, power tools, and personal care devices.
  • Industrial Machinery: Conveyors, pumps, fans, and machine tools.

2. Brushless DC Motors:

Brushless DC motors are known for their higher efficiency, greater reliability, and precise control capabilities. They are widely used in industries and applications that demand higher performance and advanced control features. Some specific industries and applications that utilize brushless DC motors include:

  • Automotive: Electric power steering systems, electric vehicles, hybrid vehicles, and HVAC systems.
  • Aerospace and Defense: Actuators, robotics, unmanned aerial vehicles (UAVs), and missile systems.
  • Medical and Laboratory Equipment: Centrifuges, pumps, robotics, and diagnostic devices.
  • Industrial Automation: CNC machines, robotics, automated guided vehicles (AGVs), and precision motion control systems.
  • Renewable Energy: Wind turbine generators, solar tracking systems, and energy storage systems.

3. High-Torque DC Motors:

High-torque DC motors are designed to provide substantial torque output at low speeds. They are commonly used in applications that require heavy lifting or high starting torque. Industries and applications that often utilize high-torque DC motors include:

  • Material Handling: Cranes, hoists, winches, lifts, and elevators.
  • Construction and Mining: Excavators, bulldozers, drilling rigs, and conveyor systems.
  • Automotive: Electric vehicles, electric powertrains, and traction control systems.
  • Marine and Shipbuilding: Thrusters, winches, and anchor handling systems.

4. Low-Voltage DC Motors:

Low-voltage DC motors are designed to operate at lower voltages, typically below 24 volts. They are commonly used in battery-powered applications and systems where safety or specific voltage requirements exist. Some industries and applications that utilize low-voltage DC motors include:

  • Automotive: Automotive accessories, window actuators, and door locks.
  • Robotics and Hobbyist Projects: DIY robots, RC vehicles, and model trains.
  • Solar Power Systems: Solar tracking systems, solar panel actuators, and solar-powered water pumps.
  • Home Automation: Automated blinds, curtains, and smart home devices.

These are just a few examples of the types of DC motors designed for different industries and applications. The versatility and adaptability of DC motors make them suitable for a wide range of uses, and manufacturers often offer customized motor solutions to meet specific requirements.

dc motor

What are the advantages and disadvantages of using DC motors in automotive applications?

DC (Direct Current) motors have been used in automotive applications for many years, although they have been largely replaced by other motor types such as AC (Alternating Current) motors and brushless DC motors in modern vehicles. However, there are still some advantages and disadvantages associated with using DC motors in automotive applications. Here’s a detailed explanation of the advantages and disadvantages:

Advantages of Using DC Motors in Automotive Applications:

1. Cost: DC motors tend to be less expensive compared to other motor types, such as AC motors or brushless DC motors. This cost advantage can make them an attractive option for certain automotive applications, especially in budget-conscious scenarios.

2. Simple Control: DC motors have a relatively simple control system. By adjusting the voltage applied to the motor, the speed and torque can be easily controlled. This simplicity of control can be advantageous in automotive applications where basic speed control is sufficient.

3. High Torque at Low Speeds: DC motors can provide high torque even at low speeds, making them suitable for applications that require high starting torque or precise low-speed control. This characteristic can be beneficial for automotive applications such as power windows, windshield wipers, or seat adjustments.

4. Compact Size: DC motors can be designed in compact sizes, making them suitable for automotive applications where space is limited. Their small form factor allows for easier integration into tight spaces within the vehicle.

Disadvantages of Using DC Motors in Automotive Applications:

1. Limited Efficiency: DC motors are typically less efficient compared to other motor types, such as AC motors or brushless DC motors. They can experience energy losses due to brush friction and electrical resistance, resulting in lower overall efficiency. Lower efficiency can lead to increased power consumption and reduced fuel economy in automotive applications.

2. Maintenance Requirements: DC motors that utilize brushes for commutation require regular maintenance. The brushes can wear out over time and may need to be replaced periodically, adding to the maintenance and operating costs. In contrast, brushless DC motors or AC motors do not have this maintenance requirement.

3. Limited Speed Range: DC motors have a limited speed range compared to other motor types. They may not be suitable for applications that require high-speed operation or a broad range of speed control. In automotive applications where high-speed performance is crucial, other motor types may be preferred.

4. Electromagnetic Interference (EMI): DC motors can generate electromagnetic interference, which can interfere with the operation of other electronic components in the vehicle. This interference may require additional measures, such as shielding or filtering, to mitigate its effects and ensure proper functioning of other vehicle systems.

5. Brush Wear and Noise: DC motors that use brushes can produce noise during operation, and the brushes themselves can wear out over time. This brush wear can result in increased noise levels and potentially impact the overall lifespan and performance of the motor.

While DC motors offer certain advantages in terms of cost, simplicity of control, and high torque at low speeds, they also come with disadvantages such as limited efficiency, maintenance requirements, and electromagnetic interference. These factors have led to the adoption of other motor types, such as brushless DC motors and AC motors, in many modern automotive applications. However, DC motors may still find use in specific automotive systems where their characteristics align with the requirements of the application.

China OEM Factory Electric 37mm Gear Box DC 12V/24V Gear Motor for Medical Equipments/ATM Machine/Toys   wholesaler China OEM Factory Electric 37mm Gear Box DC 12V/24V Gear Motor for Medical Equipments/ATM Machine/Toys   wholesaler
editor by CX 2024-03-30


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