With the rapid development of science and technology and social consumption, mechanical products are becoming more and more complex, and the requirements for the quantity and consumption rate of mechanical products are getting higher and higher. In industries such as aerospace and computers, parts have high precision, complex shapes, small batches, frequent modifications, difficult processing, low production efficiency, high labor intensity, and difficult quality assurance. The automation of mechanical processing technology is the most important means to adapt to the above development characteristics with intelligence. In order to solve the above problems, a flexible, general, high-precision, and efficient “flexible” automated production equipment-CNC machine tools came into being under this circumstance. At present, CNC technology has gradually become popular, and CNC machine tools have been widely used in industrial production, and have become an important development direction of machine tool automation.
The meaning of CNC:
CNC is digital control (NUMERICALCONTROL), which is the abbreviation of digital sequence control.
The essence of CNC is to automatically control the mechanical installation to perform actions through digital information (digital quantity that does not change internally) under a specific processing method. It has exactly the same nature as the sequence control (i.e. sequence control) performed through continuously changing analog quantities. Because the control information in CNC, and the processing of these short messages cannot be separated from the computer, the technology of active control through the computer is referred to as CNC. The CNC mentioned here refers specifically to the CNC used in machine tool processing (i.e. machine tool CNC). In addition, CNC is also widely used in measurement, physical and chemical experiments and analysis, material and information transmission, construction, and scientific management.
Classification of CNC:
The NC device of the early CNC machine tools is composed of various logic elements and memory elements to form a random logic circuit. It is a fixed wiring hardware structure. The CNC function is realized by hardware, which is called hardware CNC. The CNC machine tools realized by this technology are generally called NC machine tools.
Computer numerical control (COMPUTERNUMERICALCONTROL), referred to as CNC. The modern CNC system is a CNC system that uses a microprocessor or a special microcomputer. The system sequence (software) stored in the memory in advance realizes the control logic, realizes the partial or partial CNC function, and connects with peripheral equipment through the interface. It is called a CNC system. Such machine tools are generally called CNC machine tools.
CNC machine tools
CNC machine tools refer to a technology that can automatically control the order, displacement and speed of various machine tool movements by compiling tasks in a processing sequence, recording the control instructions in the form of digital signals on information media, and outputting them to a computer for processing. The control object is specifically for machine tools and machine tool processing. The machine tools mentioned here do not only refer to metal cutting machine tools (trolleys, milling, planing, drilling, grinding, boring and other machine tools).
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CNC machine tools are a new type of mechatronic processing equipment that uses digital information to control machine tools according to given static laws for automatic processing.
CNC machine tools are the product of the combination of digital control technology and machine tools. CNC machine tool technology is realized through machine tool processing technology such as CNC gantry milling machines. The key to using CNC technology is to learn and use CNC machine tools well.
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