
Brushed Dc Motor with Gearbox
Brushed DC motor with gearbox mainly consists of a brushed DC motor, a gear reducer, and a matching control circuit. The brushed DC motor includes components such as brushes, a commutator, a stator, and a rotor, while the gear reducer is composed of multiple gears. The brushed DC motor changes the direction of the current through the contact between the brushes and the commutator, causing the motor rotor to rotate continuously. The gear transmission system in the gear reducer, through the meshing of multiple gears, reduces the motor speed and increases the torque to meet different operating requirements.



- High Torque: The gearbox reduces the motor output speed through gear meshing, while proportionally increasing the torque according to the reduction ratio. This allows it to easily drive heavy-duty equipment and adapt to different operating speed requirements.
- Low Cost: Brushed motors have a simple structure and low mass production costs. Gearboxes often use gear meshing designs with mature manufacturing processes, resulting in a high overall cost-effectiveness, suitable for cost-sensitive, high-volume applications.
- Fast Start-up Response and Simple Control: No complex drive controller is required; it can be quickly started and stopped by simply connecting to a DC power supply. Speed can be controlled through simple voltage adjustment, suitable for the simple control needs of small equipment.

|
Model |
Brushed DC Motor with Gearbox |
|
Structure |
Parallel shaft |
|
Construction |
Permanent Magnet |
|
Power |
6W~800W |
|
Input speed |
2000rpm, 3000rpm |
|
Ratio |
2~300 |
|
Flange |
60mm/70mm/80mm/90mm/104mm |
|
Commutation |
Brushed |
|
Protect Feature |
Drip-proof |
|
Motor voltage |
12V, 24V, 48V, 90V, 220V |
|
Accessories |
Brake, encoder |














Q1: Does a DC geared motor require regular maintenance during operation?
A1: Yes. Due to friction between the brushes and the commutator, carbon dust wear will occur during long-term use. It is recommended to regularly clean the internal carbon dust. When the rotational speed decreases or the noise increases, replace the brushes promptly to extend the motor's service life.
Q2: How to choose the gear ratio?
A2: Gear ratio = Motor no-load speed ÷ Output shaft speed. The torque will increase proportionally with the gear ratio. A small gear ratio is suitable for low-load, high-speed applications, while a large gear ratio is suitable for high-load, low-speed applications (such as conveyor belts and robotic arms). The gear ratio should be matched to the actual load and speed requirements of the equipment.
Q3: Can a DC brushed geared motor be used for continuous operation for extended periods?
A3: Yes, but careful selection is necessary. For continuous operation, choose a model with matching rated power and good heat dissipation performance to avoid overheating due to prolonged full-load operation, which can affect the service life.
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