The current situation and future development forecast of precision machining

　　The development status of China's precision machining is of great significance to my country's mechanism and manufacturing. In terms of design, computer-aided design (CAD) is popularized. In terms of application, various high and new technologies have developed rapidly and achieved remarkable results. In terms of management, the research and practice of new production models have their own characteristics, which have promoted the technological progress and management modernization of my country's manufacturing industry. Technology has been greatly developed in precision machining, and precision machining has made the manufacturing process more efficient. In this way, our production and development will enter "a virtuous circle mode."
　　In the past two decades, the machinery manufacturing industry has been developing at a rapid pace towards precision machining and ultra-precision machining. In the future development process, precision machining and ultra-precision machining will become the key technologies for winning in international competition and market competition. The development of modern manufacturing industry is dedicated to improving the processing accuracy, the main reason is to improve the performance and quality of the product; improve the stability of its quality and the reliability of its performance, promote the miniaturization of products, strong functionality, and good parts interchangeability , Product assembly, debugging productivity is high, and promote manufacturing and assembly automation. With the development of the manufacturing industry, the current precision machining is developing from micron and sub-micron processes. In future machining, the precision of ordinary machining, precision machining and ultra-precision machining can reach 1Um, 0.01um, 0.001um, respectively. Moreover, precision machining is progressing towards atomic-level machining accuracy. With the continuous improvement of extreme accuracy, it has created conditions for the development and progress of science and technology, and also provided good material means for mechanical cold processing.
　　Mechanical manufacturing technology has developed rapidly in terms of improving accuracy and productivity. In terms of improving productivity, increasing the degree of automation is the direction that countries are committed to development. In recent years, the rapid development from CNC to CIMS has been applied in a certain range. From the improvement of precision, the development from precision machining to ultra-precision machining is also The direction of development of major developed countries in the world. Machining has been widely used in many fields, because the current machinery manufacturing requirements for output have declined, and the requirements for size and shape are gradually increasing, and precision machining has a new development trend. The use of lathes requires different turning processing methods. However, grinding, gear cutting, milling and other processes can be performed on one lathe. The development trend of integration of this process is more significant.

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