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tommy.xu@hilmar.com.cn
Technical Application of CNC Machine Tools
Release time: 2023-02-18
CNC machine tool is an automatic machine tool equipped with a program control system, which can make the machine tool move and process parts according to the programmed program. It integrates machinery, automation, computer, measurement, microelectronics and other technologies, and uses a variety of sensors. The sensors used in CNC machine tools mainly include photoelectric encoder, linear grating, proximity switch, temperature sensor, Hall sensor, current sensor, voltage sensor, pressure sensor, liquid level sensor, rotary transformer, inductosyn, speed sensor, etc., which are mainly used to detect position Linear displacement and angular displacement, velocity, pressure, temperature, etc.
1. Requirements of CNC machine tools for sensors
1) High reliability and strong anti-interference;
2) Meet the requirements of accuracy and speed;
3) Easy to use and maintain, suitable for machine tool operation environment;
4) Low cost.
Different types of CNC machine tools have different requirements for sensors. Generally speaking, large machine tools require high speed response, while medium and high-precision CNC machine tools mainly require accuracy.
2. Application of inductosyn
The inductosyn is made based on the principle that the mutual inductance of two planar windings varies with the position. Its function is to convert the angular or linear displacement into the phase or amplitude of the induced electromotive force, which can be used to measure the linear or angular displacement. According to its structure, it can be divided into linear type and rotary type. The linear inductosyn is composed of a fixed length and a sliding ruler, which are installed on the machine bed and the sliding ruler is installed on the moving parts and moves with the workbench; The stator of rotary inductosyn is a fixed disk, and the rotor is a rotating disk. The inductosyn has the advantages of high accuracy and resolution, strong anti-interference ability, long service life, simple maintenance, long distance displacement measurement, good technology and low cost. The rotary inductosyn is widely used in the turntable of machine tools and instruments as well as various rotary servo control systems.
Hilmar Machine Tool (Wuxi) Co., Ltd
Committed to the design and manufacture of CNC grinding machines, intelligent fixtures and automatic loading and unloading
The company team has more than ten years of experience in the design and manufacture of CNC grinding machines, intelligent fixtures, and automatic loading and unloading. It is an equipment manufacturing enterprise integrating automatic equipment research, CNC grinding machine R&D and manufacturing, and sales services.
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