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N42 NdFeB Magnet - High Performance DC Motor from SGMADA
SGMADA has been committed to producing high-quality and high-efficiency micro DC motor series since 2001. With decades of experience in motor design and manufacturing, we are in a leading position in the industry and can provide customers with customized solutions with high performance and high reliability. Whether it is compact structure, точный контроль, высокая эффективность и long life, our DC motors show excellent quality.

Чем мы можем помочь?
What is a DC Motor?
A brushed DC motor is a motor that uses brushes and a commutator to convert electrical energy into mechanical energy. Because of the mature design of DC brush motors, low cost, and high cost performance, they are widely used in the field of micro drives.
Working Principle
The basic working principle of a DC motor is based on the interaction between a magnetic field and a current-carrying conductor, which generates a force. This force, as described by Fleming’s Left-Hand Rule, causes rotational motion.
Core advantages of DC Motor
▨ Speed Control
▨ Design flexable
▨ Quality stable
▨ Cheap
How to select DC Motor ?
- Installation Dimensions
- Environmental conditions
- working life
- Control Method
SGMADA offers standardized DC brushed motors with voltage ranges from 3V to 48V and sizes from 16mm to 60mm. With SGMADA’s high-performance gearbox options, you can significantly expand the motor’s speed range or increase torque.
When selecting a DC brushed motor, installation size and shaft type are critical factors. Additionally, external operating conditions must be considered. If the working environment involves moisture, dust, or extreme temperatures.

Customized DC Motor Options
- Motor Shell - Aluminum Alloy / Plastic /
- Bearing - Bushing / Ball Bearing
- Rotor - Copper / Cast Iron
- Stator - Permanent Magnet / Ferrite / Silicon Steel Laminations
- Back Cover - Plastic / Metal
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Продукция Motor сложна для понимания, спецификации, проверки и интеграции в конечное приложение. В отрасли нет стандартов, а поставщики обычно предлагают только фрагментарные рекомендации.
Мы знаем то, чего не знаете вы, и можем снизить ваши риски, связанные с проектированием, производством и поставкой двигателей.
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Где мы добавляем ценность
Часто задаваемые вопросы
What voltage ranges do SGMADA's DC brushed motors support?
SGMADA offers standard voltages of 3V – 48V DC motors
How to calculate the current of a DC motor?
Use the formula I = P / V
, where P
is the motor power and V
is the motor voltage.
How to calculate the output power of a DC motor?
The output power of a DC motor can be calculated using the formula Pout = T × ω
, where Т
is the torque and ω
is the angular velocity (radians per second, rad/s).
What is the lifespan of SGMADA's DC brushed motors?
SGMADA provide 100 – 2000 hours standard DC Brush Motor.
What protection ratings do SGMADA's DC brushed motors offer?
SGMADA’s motors offer IP54 and IP67 protection ratings, suitable for environments with moisture and dust.