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What is a servo system for CNC machine tools?
2023-11-13 08:12:57

CNC machine tool servo system is one of the core components of CNC machine tools. It is the key equipment to control the movement of machine tools. The servo system is composed of servo motor, driver, encoder and controller. Unlike traditional machine tools that use mechanical handles to control, CNC machine tools use digital controllers to control the movement of the machine tool by inputting digital instructions. The servo system is responsible for converting digital instructions into motion parameters of the machine tool, using the precise movement of the servo motor to control the movement of each axis of the machine tool to achieve complex workpiece processing.

The servo system is a key component of CNC machine tools. It can be said that a high-precision servo system is one of the keys to ensuring the processing accuracy of the machine tool. The servo motor is the core of the servo system and is mainly responsible for the precise positioning and movement of each axis of the machine tool. Industrial-grade servo motors have the characteristics of high precision, high torque, high rigidity, high dynamic response and strong adaptability. They can accurately control the movement and positioning of machine tools and ensure high-precision processing of machine tools.

The driver is another important part of the servo system. Its main function is to provide motor control signals and feedback signals, and adjust the current, voltage and other parameters of motor control to ensure high-precision processing of the machine tool. The quality and performance of the driver are very critical, not only related to the movement accuracy of the machine tool, but also related to the life and reliability of the driver.

The encoder is the feedback device of the servo system. It converts the motion parameters of each axis of the machine tool into digital signals through sensors and feeds them back to the controller for motion control. The selection and quality of encoders play a vital role in improving the processing accuracy and speed of CNC machine tools.

The controller is the core of the servo system and is mainly responsible for converting input digital instructions into motion parameters of the machine tool. It not only needs to have efficient control algorithms and data processing capabilities, but also needs to have a high-precision clock chip to ensure the stability of the system under high speed and high load.

In short, the servo system is one of the core components of CNC machine tools. It is not only the key to ensuring high-precision machining of the machine tool, but also one of the keys to improving the performance and reliability of the machine tool. Therefore, when purchasing CNC machine tools, you need to pay attention to the selection and quality of the servo system to ensure the processing effect and production efficiency of the machine tool.

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