Product Description
dc electric gear motor 24v with high ratio
| 31ZYJ DC Gear Motor | |||||
| Basic Info | |||||
| Item | Data | ||||
| Tem Rise | 40K | ||||
| Working Tem | (-20ºC~+80ºC) | ||||
| Insulation Resistance | 100MΩ min 500VDC | ||||
| Surge Test | 500VAC for 1min | ||||
| Insulation Class | E | ||||
| Weight | 250g | ||||
Specification of dc electric gear motor 24v with high ratio
| PN | Rated Voltage |
Initial Speed |
Ratio | Power | Noload Speed |
Noload Current |
Rated Speed |
Rated Current |
Rated Torque |
Stall Torque |
Stall Current |
| V DC | rpm | 1:xxx | W | rpm | mA | rpm | mA | Kg.cm | Kg.cm | mA | |
| 31ZYJ5840-15A | 24 | 4400 | 290 | 20 | 15 | 120 | 10.5 | 400 | 11 | 25 | 1000 |
| 31ZYJ5840-15A | 24 | 7500 | 505 | 20 | 15 | 250 | 10.5 | 550 | 16 | 30 | 1300 |
| 31ZYJ5840-6.5A | 24 | 3500 | 505 | 20 | 6.5 | 80 | 5 | 240 | 12 | 20 | 830 |
The above parameters for the conventional specifications, the specific requirements can be customized according to customer requirements.
CHINAMFG motors designs brush, brushless, stepper, hysteresis and linear motors to meet customers requirements.
Our motors use standard and special components with customer selected torque/speed requirements that can be modified to your applications.
The AC/DC gear motors are based CHINAMFG to distinct magetic circuits that optimize motor design for high speed low torque and low speed high torque.
These motors give you lower rotational losses, excellent thermal transfer, interchangeable end caps, easily sealed. Options include connectors, encoders, shaft modifications, dimensional changes, etc.
CHINAMFG motor owns professional sales team and engineer team with more than 10 years experience in motor industry, based on China mainland handling overseas business for years, we know your needs better than others.
CHINAMFG Sonicare Toothbrush Motor and Thermostatic Valve Hysteresis Motor are our hot products on sell in 2017 with highly quality level and competitive price.
Please kindly contact us to get a catalogue.
Term of trade
| Terms of price | FOB,CIF,CFR,EXW,DDP,etc. |
| Terms of payment | 100% T/T in advance for samples |
| Bulk quantity payment way can be negotited | |
| Warranty | 12 months limited warranty once the items are delivered to the buyer. |
| Lead time | Usually within 2 weeks for trial orders, within 3 weeks for bulk orders. |
| Package | Carton o plywood pallet. |
| Place of loading | ZheJiang , HangZhou, etc. |
| Shipment carrier | Items are usually shipped via Fedex,DHL, TNT,UPS,EMS for trial orders and via vessel for bulk orders. |
| Delivery time | Usually within 5 working days by Express 15-30 working days by vessel |
Our promise to our Customers:
1. Answer customer’s inquiry within 2 working days.
2. Reply to our customer questions & Concerns within 3 working days.
3. Acknowledge Customer purchase orders within 24 hours.
4. Standard Lead time is within 4 weeks. Respond to special product development within 15 weeks.
5. Flexible delivery methods: By air, sea and express carrier using the customer’s forwarder.
If you have any inquiry, just feel free to contact with us. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Universal, Industrial, Household Appliances, Car, Power Tools, Beauty Equipments |
|---|---|
| Operating Speed: | High Speed |
| Excitation Mode: | Excited |
| Function: | Control, Driving |
| Casing Protection: | Open Type |
| Number of Poles: | 6 |
| Customization: |
Available
|
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|---|

What are the main components of a DC motor, and how do they contribute to its functionality?
A DC (Direct Current) motor consists of several key components that work together to enable its functionality. Each component plays a crucial role in the operation of the motor. Here’s a detailed explanation of the main components of a DC motor and their contributions:
1. Stator:
The stator is the stationary part of the motor. It typically consists of permanent magnets or electromagnets that produce a fixed magnetic field. The stator’s magnetic field interacts with the rotor’s magnetic field to generate the required torque for motor rotation. The stator provides the foundation for the motor’s magnetic field and contributes to its overall stability and efficiency.
2. Rotor:
The rotor is the rotating part of the motor and is connected to the motor’s output shaft. It contains coils or windings that carry the armature current. The rotor’s windings interact with the stator’s magnetic field, resulting in the generation of a mechanical force that causes the rotor to rotate. The rotor’s movement is responsible for converting electrical energy into mechanical motion, enabling the motor to perform its intended function.
3. Armature:
The armature is the core of the rotor that holds the armature windings. The armature windings are typically made of copper wire and are evenly spaced around the armature. When a current passes through the armature windings, a magnetic field is created around them. This magnetic field interacts with the stator’s magnetic field, resulting in the generation of a torque that drives the rotor’s rotation. The armature is a critical component that facilitates the conversion of electrical energy into mechanical energy.
4. 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. The commutator plays a vital role in the DC motor’s operation by providing the necessary electrical connections to the armature windings. As the rotor spins, the brushes make physical 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. 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. The brushes supply the current to the armature windings through the commutator, allowing for the creation of the magnetic field necessary for motor operation. The brushes need to maintain proper contact with the commutator to ensure efficient electrical transmission and reliable motor performance.
6. Housing or Frame:
The housing or frame of the DC motor encloses and supports all the internal components. It provides structural integrity, protects the motor from external elements, and helps dissipate heat generated during operation. The housing or frame also serves as a mounting point for the motor, allowing it to be securely installed in various applications.
By understanding the main components of a DC motor and their contributions, one can gain insights into how each part works together harmoniously to achieve the desired motor functionality.

What role does commutation play in the operation of a DC motor?
In the operation of a DC (Direct Current) motor, commutation plays a crucial role in ensuring the continuous rotation of the motor and the conversion of electrical energy into mechanical motion. It is the process by which the direction of the current in the armature winding is periodically reversed to maintain a constant torque and facilitate the rotation of the motor. Here’s a detailed explanation of the role of commutation in the operation of a DC motor:
Commutation is necessary in a DC motor because the magnetic field generated by the armature winding needs to be constantly aligned with the stator’s magnetic field for efficient torque production. The stator of a DC motor typically consists of permanent magnets or electromagnets that create a fixed magnetic field. The armature winding, located on the rotor, produces a magnetic field that interacts with the stator’s field to generate torque.
The commutation process is achieved through the use of a commutator and brushes. The commutator is a cylindrical ring with multiple segments, while the brushes are conductive contacts that make physical contact with the commutator segments. The armature winding is connected to the commutator, and as the rotor spins, the brushes maintain contact with different segments.
As the rotor rotates, the commutator and brushes ensure that the direction of the current in the armature winding is reversed at specific intervals. This reversal of current flow is necessary to maintain a consistent torque in the same rotational direction. Without commutation, the torque generated by the motor would fluctuate in both magnitude and direction, leading to instability and erratic motor behavior.
The commutation process involves two stages: mechanical commutation and electrical commutation.
1. Mechanical Commutation: As the rotor rotates, the brushes make contact with different segments of the commutator. The segments are insulated from each other to prevent short circuits. When the brushes move from one segment to another, the current flowing through the armature winding is switched to a different coil or set of coils. This mechanical switching ensures that the magnetic fields produced by the winding are properly aligned with the stator’s field, resulting in continuous torque production.
2. Electrical Commutation: The reversal of current in the armature winding is achieved through electrical commutation. When the brushes make contact with a new commutator segment, the current flow in the winding is redirected to maintain the desired torque direction. The timing and sequence of the current reversal are critical to ensure smooth and efficient motor operation.
The commutation process in a DC motor is a dynamic and continuous operation. It allows for the conversion of electrical energy into mechanical motion by providing a consistent torque output. The efficiency and performance of the motor are greatly influenced by the quality and effectiveness of the commutation process.
In summary, commutation plays a vital role in the operation of a DC motor by ensuring the continuous rotation of the motor and the production of consistent torque. It involves the mechanical and electrical switching of the current direction in the armature winding, facilitated by the commutator and brushes.

Where can individuals find reliable resources for learning more about DC motors and their applications?
Individuals seeking reliable resources to learn more about DC (Direct Current) motors and their applications can explore various sources that provide comprehensive and accurate information. Here’s a detailed explanation of where individuals can find reliable resources for learning about DC motors:
1. Manufacturer Websites:
Many DC motor manufacturers have dedicated sections on their websites that provide detailed information about their products, including specifications, application notes, technical guides, and whitepapers. These resources offer valuable insights into the design, operation, and application considerations of DC motors. Examples of reputable DC motor manufacturers include Baldor, Maxon Motor, and Faulhaber.
2. Industry Associations and Organizations:
Industry associations and organizations related to electrical engineering, automation, and motor technology can be excellent sources of reliable information. Examples include the Institute of Electrical and Electronics Engineers (IEEE) and the American Society of Mechanical Engineers (ASME). These associations often provide access to technical publications, research papers, conferences, and educational resources related to DC motors and their applications.
3. Technical Books and Publications:
Technical books and publications authored by experts in the field of electrical engineering and motor technology can provide in-depth knowledge about DC motors. Books such as “Electric Motors and Drives: Fundamentals, Types, and Applications” by Austin Hughes and “Practical Electric Motor Handbook” by Irving Gottlieb are widely regarded as reliable resources for learning about DC motors and their applications.
4. Online Educational Platforms:
Online educational platforms offer a wealth of resources for learning about DC motors. Websites like Coursera, Udemy, and Khan Academy provide online courses, tutorials, and video lectures on electrical engineering, motor theory, and applications. These platforms often have courses specifically dedicated to DC motors, covering topics such as motor principles, control techniques, and practical applications.
5. Research Papers and Scientific Journals:
Research papers published in scientific journals and conference proceedings can provide detailed insights into the latest advancements and research findings related to DC motors. Platforms like IEEE Xplore, ScienceDirect, and Google Scholar can be used to search for scholarly articles on DC motors. These papers are authored by researchers and experts in the field and provide reliable and up-to-date information on various aspects of DC motor technology.
6. Online Forums and Communities:
Online forums and communities focused on electrical engineering, motor technology, and DIY projects can be valuable resources for learning about DC motors. Platforms like Reddit, Stack Exchange (Electrical Engineering section), and specialized motor forums provide opportunities to ask questions, engage in discussions, and learn from experienced individuals in the field. However, it’s important to verify information obtained from online forums as they may contain a mix of opinions and varying levels of expertise.
When accessing these resources, it’s essential to critically evaluate the information and cross-reference it with multiple sources to ensure accuracy and reliability. By utilizing a combination of manufacturer websites, industry associations, technical books, online educational platforms, research papers, and online communities, individuals can gain a comprehensive understanding of DC motors and their applications.


editor by CX 2024-01-16