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The Emergence Of CNC Machine In The Development Process


The emergence of Computer Numerical Control (CNC) machines has been a game-changer in the development process across various industries.

CNC machines are automated systems that use computer programs to control the movement and operation of machine tools. This technology has revolutionized manufacturing, offering numerous advantages over traditional manual machining methods. From increased precision and efficiency to enhanced productivity and reduced human error, CNC machines have become indispensable tools in modern production processes.

The world’s first electronic computer was born in 1946, which laid the foundation for human beings to enter the information society. Six years later, in 1952, computer technology was applied to machine tools, and the first CNC machine amidine was born in the United States. Since then, the traditional machine tools have undergone qualitative changes. For nearly half a century, CNC machine tools have gone through two stages and six generations of development.

Evolution of CNC Machines:


1.Numerical Control (NC) Stage (1952-1970)

The computing speed of early computers was low, which had little impact on scientific computing and data processing at that time, but it could not meet the requirements of real-time control of machine tools. People have to use digital logic circuits to make a machine tool special computer as a numerical control system, which is called hardware connection numerical control (HARD-WIRED NC), or numerical control (NC) for short. With the development of components, this stage has gone through three generations, namely the first generation in 1952 – electronic tube CNC machine tools; the second generation in 1959 – transistor CNC machine tools; the third generation in 1965 – integrated circuit CNC machine tools machine tool.

2.Computer Numerical Control (CNC) Stage (1970 To Present)

By 1970 – general-purpose minicomputers have appeared and been mass-produced, and their computing speed has been greatly improved compared with the 1950s and 1960s, which is lower cost and higher reliability than logic circuit-specific computers. So it was transplanted as the core component of the numerical control system, and it entered the computer numerical control (CNC) stage. In 1971, Intel Corporation of the United States integrated the two core components of the computer, the arithmetic unit and the controller, on a single chip using large-scale integrated circuit technology for the first time in the world, which is called a microprocessor (MIC, RO-PR (X_ESSOR), also known as the central processing unit (CPU for short). In 1974, the microprocessor was applied to the numerical control system.

This is because the small computer is too powerful, and the ability to control a machine tool is redundant, but it is not as good as using a microcomputer. The processor was economical, and the reliability of small computers at the time was not ideal. Although the speed and function of early microprocessors were not high enough, they could be solved by multi-processor architecture.

Because the microprocessor is the core component of a general-purpose computer, it is still called computer numerical control. By 1990, the performance of the PC (personal computer, commonly known as microcomputer in China) has developed to a very high stage, which can meet the requirements of being the core component of the numerical control system, and the production volume of the PC is large, the price is cheap, and the reliability is high. . The CNC system has since entered the PC-based stage.

In short, the computer numerical control stage has also experienced three generations, namely the fourth generation in 1970 – small computer numerical control machine tools; the fifth generation in 1974 – microcomputer numerical control machine tools; the sixth generation in 1990 – based on PC (foreign CNC machine tools called PC-BASED).

Advantages of CNC Machines


  • Precision and Accuracy: CNC machines offer exceptional precision and accuracy in the manufacturing process. The computer-controlled movements ensure that parts are machined to exact specifications with minimal tolerance deviations, leading to high-quality and consistent results.
  • Automation and Efficiency: CNC machines are fully automated, reducing the need for manual intervention in the machining process. Once the program is set up and verified, the machine can run continuously, significantly increasing productivity and efficiency.
  • Flexibility and Customization: CNC machines can be reprogrammed quickly to produce different parts and components. This flexibility allows manufacturers to adapt to changing demands and offer customized products without the need for extensive retooling.
  • Complex Geometries: CNC machines can create intricate and complex shapes that are challenging or impossible to achieve using manual machining methods. This capability opens up new design possibilities and enables the production of innovative and unique components.
  • Reduced Human Error: Automated CNC machines eliminate the potential for human errors that can occur in manual machining. The reliance on precise computer programs ensures consistent and reliable machining results.
  • Shorter Lead Times: With faster production cycles and reduced setup times, CNC machines contribute to shorter lead times for manufacturing processes. This accelerated production enables companies to meet market demands more efficiently.

Applications of CNC Machines


  • Manufacturing: CNC machines play a vital role in the manufacturing industry, producing a wide range of components for various sectors, including aerospace, automotive, electronics, and medical devices.
  • Prototyping: In product development, CNC machines are used for rapid prototyping, allowing designers to test and refine their concepts quickly before mass production.
  • Custom Fabrication: CNC machines are instrumental in custom fabrication, creating unique pieces and components tailored to individual specifications.
  • Woodworking and Furniture: CNC machines are widely used in woodworking and furniture manufacturing to create intricate designs and decorative elements.
  • Metalworking: CNC machines are extensively employed in metalworking processes, including milling, turning, and laser cutting, for precise and efficient metal component fabrication.

Future Developments


As technology continues to evolve, CNC machines are likely to undergo further advancements. Industry 4.0 concepts, such as the integration of the Internet of Things (IoT) and Artificial Intelligence (AI), may be incorporated into CNC machines, enabling real-time monitoring, predictive maintenance, and autonomous decision-making.

The emergence of CNC machines has marked a significant milestone in the development process, transforming traditional manufacturing methods and revolutionizing industries. The precision, automation, and flexibility offered by CNC machines have improved productivity, reduced costs, and facilitated the creation of innovative and intricate designs. As CNC technology continues to evolve, it is expected to play an increasingly critical role in driving manufacturing efficiencies, pushing the boundaries of design possibilities, and shaping the future of the development process across diverse industries.


At Be-cu.com,we use advanced equipment to offer you Unparalleled precision for producing metal and plastic machining parts

  • We combine the latest CNC milling and turning processes with proprietary technology to deliver high quality, on-demand parts.
  • Our team of engineers and machinists program the equipment to optimize cutting time, surface finish, and final tolerance to meet your design specifications
  • We specialize in cnc precision machining, single part prototyping, short to medium production runs, manufacture parts on time, every time, so you can stay ahead of schedule
  • CNC machining can create very similar parts to series parts. It is often more efficient and faster than other rapid prototyping technologies for the manufacture of a quantity of prototypes between 1 and 10 parts . We also recommend CNC machining for parts with large sizes (greater than 600 mm).

Contact Us ([email protected]) Now for your Custom CNC Machining, We are your best online cnc machining and rapid prototyping services choice!

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