DC servo motor: The source of power for precise control

Working principle of DC servo motor

DC servo motors are indispensable core components in modern automated equipment. Their precise control capabilities enable them to play a significant role in fields such as industrial automation and robotics. The working principle of this type of motor is based on the law of electromagnetic induction and the law of Ampere force. It achieves precise position, speed and acceleration control by precisely controlling the current. The core structure of a DC servo motor includes the stator, rotor core, motor shaft, servo motor winding commutator, servo motor winding, tachometer motor winding, and tachometer motor commutator. Compared with traditional DC motors, the most prominent feature of servo motors is their "followability" - they can quickly and accurately follow the changes in control signals. This feature is attributed to its precise feedback system and optimized electromagnetic design, enabling the motor to achieve millisecond-level response speed and micron-level positioning accuracy.

Analysis of the Advantages and disadvantages of brushed and brushless systems

DC servo motors are divided into brushed and brushless motors. Brushed motors have low cost, simple structure, large starting torque, wide speed regulation range, but they are not convenient to maintain and can generate electromagnetic interference. Brushless motors are small in size, light in weight, have high output power, fast response, high speed, low inertia, smooth rotation, stable torque, and require no maintenance. They are highly efficient and have very little electromagnetic radiation, making them suitable for various environments.

Core advantages of DC servo motor

1. High efficiency and energy saving: The DC servo motor meets the first-level energy efficiency standard, with low energy consumption and economical and environmentally friendly operation.

2. Fast response: Excellent dynamic performance, rapid start and stop, and precise control with millisecond-level instructions.

3. Stable and reliable: Small cogging torque ripple, smooth operation, strong anti-interference ability, safe and durable.

4. High-temperature and overload resistance: The stator adopts H-class insulated enameled wire, which has fast heat dissipation and does not reduce efficiency even after long-term high-load operation.

5. Patented rotor technology: Optimized magnetic circuit design, stable torque output, long service life, and adaptability to harsh working conditions.

Jinan Keya is dedicated to the research and development of DC servo motors and their matching servo drivers/systems. It empowers intelligent manufacturing with innovative technology and drives the future of industry with precise power!