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Numerical control technology is a flexible manufacturing automation technology that integrates computer technology, microelectronics technology, automation technology, power electronics technology and modern machinery manufacturing technology. The numerical control technology described in this chapter refers to the numerical control technology applied to machine tools, which reflects the current situation, trend and main content of the development of contemporary numerical control technology, due to space limitations, this chapter will not cover all the content of numerical control technology, but is limited to: 1) The use of advanced microprocessor computer numerical control device (computerized numerical control - CNC).
2) Programmable logic controller (PLC) used in machine tools. 3) AC and DC servo systems used in machine tools, using power electronics and advanced control theory, including machine tool feed drive device, spindle drive device, AC and DC feed motor and spindle motor and corresponding feedback elements. 4) The programming of CNC machine tools mainly refers to the programming of processing components, and does not include the system programming of CNC systems and the programming technology of programmable controllers.
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You mean what kind of professional content do you want to learn in CNC technology, right?
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Can you let the students do it themselves?
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The main features of CNC technology include:
1.High precision: CNC machine tools can achieve high-precision processing, the smallest can reach millimeters, much higher than traditional machine tools.
2.High efficiency: CNC equipment can achieve high-speed processing, high work efficiency, and greatly improved production efficiency.
3.Programmability: CNC machine tools can realize automatic processing by inputting corresponding programs, and can be programmed differently according to different processing requirements.
4.Flexibility: CNC machines can realize a variety of different machining processes and can be used to process a variety of materials, with high flexibility and adaptability.
5.Automatic control: The CNC system can realize automatic control in the processing process through automatic control, without manual intervention, which can greatly reduce the danger of personnel and improve production efficiency.
6.Good consistency: CNC machine tools can achieve continuous and stable processing, reduce errors in manual manufacturing, and ensure the consistency of products.
7.Flexible production batch: CNC machine tools can be mass-produced according to different processing requirements, suitable for different production needs.
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CNC technology has the following characteristics:
1.High precision: The programming and manufacturing processes used by CNC technology are digital, which can improve machining accuracy and reduce errors.
2.High production efficiency: CNC machine tools can realize automatic production, avoid the limitations of manual operation, and improve production efficiency.
3.Flexibility: CNC technology allows the use of different process parameters and work sequences to suit a wide range of production needs.
4.Shorten the product development cycle: CNC technology can shorten the product development and production cycle by optimizing the program and design.
5.Simple operation: The operation interface used by CNC technology is more beautiful, convenient and simpler to use.
6.High reliability: CNC machine tools adopt digital processing methods, with high precision and high efficiency, and the products produced are higher and more reliable.
To sum up, CNC technology has great advantages in improving production efficiency, precision and quality, and has become an indispensable technology for modern industrial production.
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The main features of CNC technology include:
High precision: CNC machines can achieve high-precision machining because they use a digital control system to calculate and control the position and speed of each axis of motion, resulting in accurate machining results.
High production efficiency: CNC machine tools can realize the automated production process, so it can improve production efficiency and production capacity. Compared to manual machining, CNC machines can complete machining tasks faster and can run continuously unattended.
Good repeatability: Since the CNC machine is controlled by a digital control system, it can guarantee that the results of each processing are consistent. This repeatability improves the quality and consistency of the product and also helps to reduce the scrap rate.
Programmable machining accuracy: CNC machine tools can adjust machining accuracy or shape as needed, and only need to make appropriate modifications to the program. This makes CNC machines ideal for producing small batches of parts with a high variety.
Programmability: CNC machine tools can use different programs to complete different machining tasks. This means that CNC machines can be used to machine parts of different shapes and sizes and can be switched to new production tasks at any time, giving them a high degree of flexibility.
Simple operation: CNC machine tools are operated digitally, so that processing personnel do not need to have too high professional skills, but also can easily operate CNC machine tools. This makes CNC machining a widely used advanced manufacturing technology.
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1. High precision: CNC technology can achieve high-precision machining, and the accuracy can reach the micron level or even higher.
2. High efficiency: CNC machining can greatly improve production efficiency, reduce processing cycle and reduce production costs.
3. Flexibility: CNC machine tools can be processed flexibly according to different processing needs, and can process a variety of parts of different shapes.
4. Stability: CNC machine tools can achieve stable processing, high stability, and not easy to error.
5. Automation: CNC technology can realize automated production without human intervention, reducing labor costs.
6. Softwareization: CNC programming involves software programming, which can realize the complexity of processing and facilitate the adjustment and modification of the program.
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Numerical control technology, referred to as numerical control, is the technology that uses digital control to achieve automatic control of a certain working process. It usually controls mechanical quantities such as position, angle, velocity, etc., as well as switching quantities related to the direction of mechanical energy flow. The generation of numerical control depends on the emergence of data carriers and binary form data operations.
In China, the development of numerical control technology and equipment has also been highly valued, and considerable progress has been made. Especially in the field of general microcomputer numerical control, the domestic CNC system based on the PC platform has been in the forefront of the world. However, there are also many problems in China's CNC technology research and industrial development, especially in terms of technological innovation ability, commercialization process, market share, etc.
At the advent of the new century, how to effectively solve these problems, so that China's CNC field along the road of sustainable development, from the whole into the world's advanced ranks, so that we have a pivotal position in international competition, will be an important task faced by CNC research and development departments and manufacturers.
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