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  Precision machining has formed a complete set of precision manufacturing technology system. It is moving towards nanometer precision or nanometer precision, and the prospect is very encouraging.

Whether it is precision machine tools, diamond tools or precision machining processes, a complete set of precision manufacturing technology systems has been formed. It is moving towards nanometer precision or nanometer precision, and its prospect is very encouraging. With the rapid development of science and technology and the increasingly fierce market competition, more and more manufacturing industries begin to put a large amount of human, financial and material resources into the research and implementation strategies of advanced manufacturing technology and advanced manufacturing mode. Next, Yida Borun will briefly introduce the development trend of ultra precision machining technology.

1、 The basic theory and experiment of ultra precision machining technology need further development

The so-called basic theory of ultra precision machining technology means that only after understanding and mastering the basic laws and phenomena of ultra precision machining process can we control this process and achieve the expected results. What is the ultimate dimension of ultra precision cutting and how the material is removed at this time? In addition, what is the action mechanism of the ultra precision machining process system under the complex coupling of force, heat, electricity, magnetism, gas and other physical quantities / fields, and how to ensure the dynamic characteristics, dynamic accuracy and stability of the system at this time need to be supported by new theories. With the development of computer technology, molecular dynamics simulation technology is applied to study the nano cutting and grinding process, which can describe the atomic size and transient cutting process, and reflect the micro removal mechanism of materials to a certain extent. However, all these need to be verified by experiments.

2、 The processed materials and process methods are also expanding

In recent years, it has been shown that the microstructure of titanium alloy can be changed by reasonably and effectively controlling the processes of hydrogen permeation, phase transformation and hydrogen removal, so as to improve its processing performance and improve the surface quality and efficiency. It is also generally believed that ferrous metals cannot be processed by ultra precision cutting with natural diamond, and various process studies have been carried out for many years. In addition, the machinability of the surface layer of the material to be processed is changed by means of ion implantation to achieve high-efficiency ultra precision cutting of complex shapes of hard and brittle materials such as silicon. With the continuous improvement of industrial level, new requirements are put forward for ultra precision machining equipment, process and detection technology.

3、 Ultra precision machining technology of micro / nano structure functional surface

Microstructure functional surface microstructure has the characteristics of regular texture structure, high aspect ratio, and determination of geometric characteristics, such as groove array, microlens array, pyramid array structure, etc. these surface microstructures enable elements to have some specific functions, and can transfer physical and chemical properties of materials, such as adhesion, friction, lubrication, wear resistance, or have specific optical properties. In the future, the design and manufacturing of functional surface structure will be added to the design and manufacturing of parts. Through the design and processing of microstructures of different shapes on the surface of parts, the mechanical, optical, electromagnetic, and academic functions of parts will be improved. This will be an important application field of micro nano manufacturing.

4、 Ultra precision machining begins to pursue high efficiency

With the further processing of parts and the increase of the number, the efficiency of ultra precision machining is also required. If there is no high-efficiency ultra precision processing technology, the processing time can not be imagined. Therefore, it is necessary to continuously develop new ultra precision processing equipment and ultra precision processing technology to meet the needs of high-efficiency ultra precision processing.

5、 Ultra precision machining technology will develop to the extreme

With the progress of science and technology, new requirements have been put forward for ultra precision machining technology, such as the extremely high precision of extremely large parts, extremely high precision of extremely small parts and features, extremely high precision in extremely complex environments, and extremely high precision of extremely complex structures.

6、 Ultra precision machining technology will develop to ultra precision manufacturing technology

In the past, ultra precision machining technology was often used in the final process or several processes of parts. However, in some fields, ultra precision technology is used in the whole manufacturing process of some parts or the whole product development process, including ultra precision machining, ultra precision assembly and debugging, and ultra precision testing, Such a complex and high-precision system reflects the ultra precision manufacturing technology from the component processing and assembly debugging process

At present, the precision and ultra precision machining technology is developing in the direction of high efficiency and extreme while continuously studying new theories, new processes and new methods. It runs through the whole manufacturing process of parts and components or the whole product development process, and develops to the precision and ultra precision manufacturing technology. At the same time, the tools, workpiece materials, machine tools, cutting oil and other products used with the precision cutting process are also constantly improving their performance to meet higher process requirements.