Product Description
3.4MM DC Planetary Gear Motor
Product Description
above specifications just for reference and customizable according to requirements.
| motor specifications:3mm motor | |
| motors (optional) | stepper motor |
| voltage(optional) | 1.5-5v |
| input speed | <=10000rpm |
| current | 50mA max |
| performance Data:3mm gear stepper motor | ||||||
| Model | Rated speed | max rated torque | Max Instant Torque | Reduction Ratio | gearbox length | Overall Lenth |
| rpm | gf.cm | gf.cm | mm | mm | ||
| ZWBMD003003-5 | 300.0 | 50 | 150 | 5 | 6.0 | 10.75 |
| ZWBMD003003-25 | 60.0 | 50 | 150 | 25 | 7.5 | 12.25 |
| ZWBMD003003-125 | 12.0 | 50 | 150 | 125 | 9.0 | 13.75 |
| ZWBMD003003-625 | 2.4 | 50 | 150 | 625 | 10.5 | 15.25 |
| * The above specifications are subject to change without prior notice. They are for reference only and can be customized as required. | ||||||
Please let us know your requirements and we will provide you with micro transmission solutions.
Product details show:
Application
| Smart wearable devices | watch,VR,AR,XR and etc. |
| Household application | kitchen appliances, sewing machines, corn popper, vacuum cleaner, garden tool, sanitary ware, window curtain, intelligent closestool, sweeping robot, power seat, standing desk, electric sofa, TV, computer, treadmill, spyhole, cooker hood, electric drawer, electric mosquito net, intelligent cupboard, intelligent wardrobe, automatic soap dispenser, UV baby bottle sterilizer, lifting hot pot cookware, dishwasher, washing machine, food breaking machine, dryer, air conditioning, dustbin, coffee machine, whisk,smart lock,bread maker,Window cleaning robot and etc. |
| communication equipment | 5G base station,video conference,mobile phone and etc. |
| Office automation equipments | scanners, printers, multifunction machines copy machines, fax (FAX paper cutter), computer peripheral, bank machine, screen, lifting socket, display,notebook PC and etc. |
| Automotive products | conditioning damper actuator, car DVD,door lock actuator, retractable rearview mirror, meters, optic axis control device, head light beam level adjuster, car water pump, car antenna, lumbar support, EPB, car tail gate electric putter, HUD, head-up display, vehicle sunroof, EPS, AGS, car window, head restraint, E-booster, car seat, vehicle charging station and etc. |
| Toys and models | radio control model, automatic cruise control, ride-on toy, educational robot, programming robot, medical robot, automatic feeder, intelligent building blocks, escort robot and etc. |
| Medical equipments | blood pressure meter, breath machine, medical cleaning pump, medical bed, blood pressure monitors, medical ventilator, surgical staplers, infusion pump, dental instrument, self-clotting cutter, wound cleaning pump for orthopedic surgery,electronic cigarette, eyebrow pencil,fascia gun, , surgical robot,laboratory automation and etc. |
| Industrials | flow control valves, seismic testing,automatic reclosing,Agricultural unmanned aerial vehicle,automatic feeder ,intelligent express cabinet and etc. |
| Electric power tools | electric drill, screwdriver,garden tool and etc. |
| Precision instruments | optics instruments,automatic vending machine, wire-stripping machine and etc. |
| Personal care | tooth brush, hair clipper, electric shaver, massager, vibrator, hair dryer, rubdown machine, scissor hair machine, foot grinder,anti-myopia pen, facial beauty equipment, hair curler,Electric threading knife,POWER PERFECT PORE, Puff machine,eyebrow tweezers and etc. |
| Consumer electronics | camera, mobile phone,digital camera, automatic retracting device,camcorder, kinescope DVD,headphone stereo, cassette tape recorder, bluetooth earbud charging case, turntable, tablet,UAV(unmanned aerial vehicle),surveillance camera,PTZ camera, rotating smart speaker and etc. |
| robots | educational robot, programming robot, medical robot, escort robot and etc. |
Company Profile
HangZhou CHINAMFG Machinery & Electronics Co., Ltd was established in 2001,We provide the total drive solution for customers from design, tooling fabrication, components manufacturing and assembly.
Workshop
Testing Equipment
1) Competitive Advantages
- 1) Competitive Advantages
19+year experience in manufacturing motor gearbox
We provide technical support from r&d, prototype, testing, assembly and serial production , ODM &OEM
Competitive Price
Product Performance: Low noise, High efficiency, Long lifespan
Prompt Delivery: 15 working days after payment
Small Orders Accepted
2) Main Products
-
Precision reduction gearbox and its diameter:3.4mm-38mm,voltage:1.5-24V,power: 0.01-40W,output speed:5-2000rpm and output torque:1.0 gf.cm -50kgf.cm,
- Customized worm and gear transmission machinery;
- Precise electromechanical motion module;
- Precise component and assembly of plastic and metal powder injection.
Our Services
- ODM & OEM
- Gearbox design and development
- Related technology support
- Micro drive gearbox custom solution
Packaging & Shipping
1) Packing Details
packed in nylon firstly, then carton, and then reinforced with wooden case for outer packing.
Or according to client’s requirement.
2) Shipping Details
samples will be shipped within 10 days;
batch order leading time according to the actual situation.
Certifications
Certifications
We Have passed to hold ISO9001:2015(CN11/3571),ISO14001:2004(U006616E0153R3M), ISO13485:2016(CN18/42018) and IATF16949:2016(CN11/3571.01).
and more…
FAQ
FAQ
1. Can you make the gearbox with custom specifications?
YES. We have design and development team, also a great term of engineers, each of them have
many work years experience.
2.Do you provide the samples?
YES. Our company can provide the samples to you, and the delivery time is about 5-15days according to the specification of gearbox you need.
3.What is your MOQ?
Our MOQ is 2000pcs. But at the beginning of our business, we accept small order.
4. Do you have the item in stock?
I am sorry we donot have the item in stock, All products are made with orders.
5. Do you provide technology support?
YES. Our company have design and development team, we can provide technology support if you
need.
6.How to ship to us?
We will ship the goods to you according to the DHL or UPS or FEDEX etc account you provide.
7.How to pay the money?
We accept T/T in advance. Also we have different bank account for receiving money, like US dollors or RMB etc.
8. How can I know the product is suitable for me?
Frist, you need to provide us the more details information about the product. We will recommend the item to you according to your requirement of specification. After you confirm, we will prepare the samples to you. also we will offer some good advances according to your product use.
9. Can I come to your company to visit?
YES, you can come to our company to visit at anytime, and welcome to visit our company.
10. How do contact us ?
Please send an inquiry
| Application: | Universal, Industrial, Household Appliances, Car, Power Tools |
|---|---|
| Operating Speed: | Low Speed |
| Excitation Mode: | Permanent Magnet |
| Function: | Control |
| Casing Protection: | Drip-Proof |
| Number of Poles: | 4 |
| Customization: |
Available
|
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|---|

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.

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.

How does the size and power rating of a DC motor affect its suitability for different tasks?
The size and power rating of a DC (Direct Current) motor play crucial roles in determining its suitability for different tasks and applications. The size and power rating directly impact the motor’s performance characteristics, including its torque output, speed range, efficiency, and overall capabilities. Here’s a detailed explanation of how the size and power rating of a DC motor affect its suitability for different tasks:
Size of DC Motor:
The size of a DC motor refers to its physical dimensions, including its diameter, length, and overall volume. The size of the motor influences its ability to fit into specific spaces or applications with space constraints. Here are some key considerations regarding the size of a DC motor:
1. Space Limitations: In applications where space is limited, such as small robotic systems or compact machinery, smaller-sized DC motors are preferred. These motors provide a more convenient and efficient integration into the overall system design.
2. Weight Constraints: Certain applications, such as drones or lightweight robots, may have strict weight limitations. Smaller-sized DC motors are generally lighter, making them more suitable for weight-sensitive tasks where minimizing the overall system weight is essential.
3. Cooling and Heat Dissipation: The size of a DC motor can impact its ability to dissipate heat generated during operation. Smaller-sized motors may have less surface area for heat dissipation, which can lead to increased operating temperatures. In contrast, larger-sized motors typically have better heat dissipation capabilities, allowing for sustained operation under heavy loads or in high-temperature environments.
Power Rating of DC Motor:
The power rating of a DC motor refers to the maximum power it can deliver or the power it consumes during operation. The power rating determines the motor’s capacity to perform work and influences its performance characteristics. Here are some key considerations regarding the power rating of a DC motor:
1. Torque Output: The power rating of a DC motor is directly related to its torque output. Higher power-rated motors generally provide higher torque, allowing them to handle more demanding tasks or applications that require greater force or load capacity. For example, heavy-duty industrial machinery or electric vehicles often require DC motors with higher power ratings to generate sufficient torque for their intended tasks.
2. Speed Range: The power rating of a DC motor affects its speed range capabilities. Motors with higher power ratings can typically achieve higher speeds, making them suitable for applications that require rapid or high-speed operation. On the other hand, lower power-rated motors may have limited speed ranges, making them more suitable for applications that require slower or controlled movements.
3. Efficiency: The power rating of a DC motor can impact its efficiency. Higher power-rated motors tend to have better efficiency, meaning they can convert a larger proportion of electrical input power into mechanical output power. Increased efficiency is desirable in applications where energy efficiency or battery life is a critical factor, such as electric vehicles or portable devices.
4. Overload Capability: The power rating of a DC motor determines its ability to handle overloads or sudden changes in load conditions. Motors with higher power ratings generally have a greater overload capacity, allowing them to handle temporary load spikes without stalling or overheating. This characteristic is crucial in applications where intermittent or varying loads are common.
Overall, the size and power rating of a DC motor are important factors in determining its suitability for different tasks. Smaller-sized motors are advantageous in space-constrained or weight-sensitive applications, while larger-sized motors offer better heat dissipation and can handle heavier loads. Higher power-rated motors provide greater torque, speed range, efficiency, and overload capability, making them suitable for more demanding tasks. It is crucial to carefully consider the specific requirements of the application and choose a DC motor size and power rating that aligns with those requirements to ensure optimal performance and reliability.


editor by CX 2023-10-23