DBM25SJA159

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DBM25SJA159 is a type of high precision, general-purpose numerical control servo motor and motion controller. It is widely used in industrial automation, numerical control machine tools, robots, precision instrumentation and other fields. The machine is mainly composed of a motor, a controller, and a control system, networked together to form a complete high-precision motion control system, used to complete complex motion control tasks.

Application field

DBM25SJA159 features powerful functions, high precision, and high speed. It is designed mainly for industrial automation and CNC machine tools. It can be used in automotive, aerospace, new energy, electronics, printing, food, medical, injection molding, 3D printing, intelligent monitoring, general machinery and other industries. It can also be used as a motor drive for numerical control processing, ASM machinery, machine tools, robots, flow lines, precision instrumentation and other motion control systems.

Working principle

The DBM25SJA159 motor consists of a rotor, a stator, a winding, and a permanent magnet. When the power is on, the winding is energized by a sophisticated electronic controller. The controller then generates a rotating magnetic field in the stator. This rotating magnetic field interacts with the composed permanent magnet in the rotor, resulting in a rotary motion. The controller then extracts the positional information through a series of complex algorithms, which accurately calculates the speed and lever arm of the motor, controlling the motor in a closed loop, and converting the motion command generated by the control system into corresponding speed and torque to drive and control the motor.

In this servo motor, the controller has higher density, more precise control, more stable operation, and higher overload capacity. The controller can effectively reduce the torque ripple of the motor, and the input voltage displacement can be automatically adjusted to keep the output torque constant even in the case of changes in the load. Its control system is very powerful, equipped with functions such as peak current limit, PID constants set, input and output filtering, and a wealth of motion commands.

In addition, the entire system consists of two parts: the servo motor and the controller. For the controller, it is is based on the PWM half-bridge converter, which is composed of two field-effect transistors and two diodes, using a high-resolution 12-bit A/D converter to collect the voltage and current of the motor, and a 16-bit or higher microcontroller. This brings a more comfortable speed control experience, and also increases the machine’s intellectuality and energy efficiency.

Finally, unlike traditional stepper motors, DBM25SJA159 has a close side support and more durable components, which makes it stand out from the competitors and provides the user a great durability service.

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