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Introduction of CNC machine tools

Introduction of CNC machine tools

CNC machine tool is the abbreviation of digital control machine tool (Computer numerical control machine tools), is a kind of automatic machine tool equipped with program control system. The control system is capable of logically processing programs with control codes or other symbolic instructions, decoding them, representing them in coded numbers, and inputting them into the numerical control device through the information carrier. After the operation and processing by the numerical control device issued a variety of control signals, control the action of the machine tool, according to the drawing requirements of the shape and size, automatically processed parts. CNC machine tools to better solve the complex, precision, small batch, multi-species parts processing problems, is a flexible, high-efficiency automated machine tools, represents the development direction of modern machine tool control technology, is a typical mechatronics products.

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Analysis on the current situation of China's intelligent CNC machine tool industry chain and head enterprises in 2023

Analysis on the current situation of China's intelligent CNC machine tool industry chain and head enterprises in 2023

China's machine tool industry mainly includes metal cutting machine tools, metal forming machine tools, casting machinery, woodworking machinery, machine tool accessories, measuring tools and gauges, abrasives and other metal processing machinery eight sub-industries, of which, the metal cutting machine tool industry is an important part of China's machine tool industry. Metal cutting machine tool refers to the use of cutting, grinding or special processing methods to process a variety of metal workpieces, so that the required geometry, dimensional accuracy and surface quality of the machine. Machine tools can be divided into ordinary machine tools and CNC machine tools according to the classification of technical level. The traditional machine tools that combine mechanical transmission and manual operation to process parts are referred to as ordinary machine tools, and the machine tools that control parts processing by modern CNC system are referred to as CNC machine tools. Intelligent CNC machine tool products are highly correlated with the upstream industry, which mainly includes various accessories and control systems, including electromechanical accessories, tool accessories, bearings and CNC systems. Midstream manufacturers rely on their own R & D and production capabilities to produce the final product and fine-tune the product parameters according to the specific needs of downstream manufacturers. Downstream industries are more widely distributed, covering almost all areas of the equipment manufacturing industry, including communications equipment, consumer electronics, automotive industry, new energy equipment and other fields. The industry is less at risk from a slowdown in demand in a single downstream industry. In recent years, with the global production and technology transfer, domestic CNC metal cutting machine tools and other intelligent CNC machine tool manufacturers have made considerable progress, and have continuously made breakthroughs in related technical fields, and can compete with international well-known companies in terms of product quality and supply capacity. At present, China has become the world's largest machine tool producer and consumer. With the continuous development of my country's automobile, aerospace, shipbuilding, general machinery, railway rolling stock, military industry and high-tech industries, related industries have put forward higher and newer requirements for CNC machine tools in terms of quantity, quality and level. It is expected that in the next few years, the demand and technical requirements for intelligent CNC machine tools will also increase steadily, and domestic companies with core technologies will continue to have good development opportunities. At present, listed companies in my country's intelligent CNC machine tool industry mainly include Zhejiang Haidman, etc. Zhejiang Haidman (stock code: 688577), engaged in the research and development, design, production and sales of CNC lathes. The company's products are mainly divided into high-end CNC lathes, automated production lines and popular CNC lathes, which are mainly used in automobile manufacturing, construction machinery, general equipment, aerospace, military industry and other industries. In 2022, Zhejiang Haiderman's total operating income will reach 0.631 billion yuan., The gross profit reached 0.201 billion yuan, and the gross profit margin was 31.86. Judging from the income of numerical control lathe business, the income of Zhejiang Haideman's high-end numerical control lathe business increased significantly in 2022, while the income of popular numerical control lathe business declined. In 2022, the income of Zhejiang Haideman's high-end numerical control lathe business reached 0.422 billion yuan, an increase of 0.133 billion yuan over 2021. The business income of popular numerical control lathe was 0.119 billion yuan, a decrease of 0.053 billion yuan from 2021.

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Characteristics of CNC controllers

Characteristics of CNC controllers

Non-uniform rational B- spline (nurbs) interpolation of curves and surfaces This technique uses interpolation along the curve, rather than using a series of short straight lines to fit the curve. The application of this technology has been quite common. The cam software used by many mold industries provides an option to generate part programs in nurbs interpolation format. At the same time, the powerful cnc also provides five-axis interpolation function and related features. These properties improve the quality of surface finishing, improve the smoothness of motor operation, increase the cutting speed, and make the part processing program smaller

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Points for Attention in Five-axis S-piece Machining

Points for Attention in Five-axis S-piece Machining

Five-axis S-piece processing is an advanced processing method, which can cut in multiple directions at the same time, and can improve processing efficiency and processing accuracy. When processing five-axis S parts, you need to pay attention to the following points

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Analysis of Development Trend of CNC Machine Tool Industry in 2023

Analysis of Development Trend of CNC Machine Tool Industry in 2023

With the support of national policies and the continuous pursuit of innovation by some enterprises, China's CNC machine tool industry has developed rapidly, and the scale of the industry is also expanding. The development trend of CNC machine tool industry in 2023 is analyzed. As an industrial "mother machine", the technical level of CNC machine tools plays an important role in improving the level of manufacturing industrialization. Due to the impact of the epidemic and energy supply constraints, China's CNC machine tool industry in 2020

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Domestic CNC Talent Development

Domestic CNC Talent Development

Domestic CNC talent development in good condition. With the rapid development of the manufacturing industry, the demand for CNC technology is increasing, and various domestic training institutions and universities have set up relevant majors and courses. At the same time, some large enterprises are also actively investing in the construction of CNC training centers to train professional talents for enterprises. The government has also introduced a series of incentive policies, such as providing financial support, tax relief, etc., to promote the training and flow of CNC talents. In addition, the level of domestic CNC talents is also constantly improving, and some senior technicians and experts have made important achievements in the field of CNC, making important contributions to the high-quality development of the domestic manufacturing industry. To sum up, the domestic CNC talent development is in good condition and the talent reserve is sufficient, which provides strong support for the transformation and upgrading of the manufacturing industry.

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