At the 23rd Japan International Machine Tool Show, many high-speed, high-precision, ultra-precision, high-efficiency, micro-machining and environmentally-friendly multi-function machine tools representing the international machine tool level were exhibited. From the exhibition situation of the machine tool exhibition, the technical development trend of the surface grinder is more complex and intelligent, and it is suitable for micro-machining.
1. Development and popularization of numerical control technology With the advancement of numerical control technology, the proportion of numerical control flat grinding has been continuously improved, and the five-axis linkage numerical control system has also been widely used. CNC system manufacturers can improve the production efficiency, control accuracy, space-saving modular design, etc., to provide users with comprehensive solutions, and develop a suitable system with machine tool manufacturers. Each flat grinding production plant actively promotes the secondary development and application of the numerical control system, and jointly develops a numerical control system with its own characteristics with the numerical control system manufacturer, which not only conforms to the characteristics of the surface grinding machine and the forming grinding machine, but also helps to play its own brand. The machine tool operating system exhibited in this exhibition adopts numerical control technology and develops a working program adapted to its own machine tool.
2. The development of surface grinders for forming grinders is no longer limited to flat grinding. It has been extended to surface grinding, and the forming and grinding methods have become popular. They have been highly praised, developed and recognized by manufacturers and users. The higher. With the development of high technology, the application range of high precision and ultra precision forming grinding machines is becoming wider and wider. Its structural arrangement is mainly based on high rigidity and T-shaped arrangement. The full-moving layout of the column and the fixed layout of the workbench break through the traditional form of worktable movement and realize a major innovation in the form of flat grinding. The longitudinal and lateral movements of such machine tools are completed by the column or the grinding head, which has the advantages of good overall rigidity, high grinding efficiency, small floor space, and multi-purpose of one machine. This new layout of flat grinding injects a new vitality into the flat grinding manufacturing technology, greatly improving the position of surface grinding in metal cutting, and better coping with the challenges of hard cutting to grinding technology. Significance.
3. Super-fine grinding machine with vertical and horizontal minimum feed rate of 0.1μm is quite common in the world. Japan's 0.01μm ultra-fine flat grinding machine has also been put into practical use, such as Changchun company's super-fine flat grinding machine. Forming and grinding the light guide plate can also be used for ultra-precision aspherical, planar and forming processes with an accuracy of 0.4μm/1500mm. When grinding aluminum and copper materials under certain conditions, the highest grinding accuracy can reach 0.001-0.01μm (1~10nm). The N2C-53U-plus exhibited at the exhibition can be used for ultra-dense forming of shaft and non-shaft workpieces, as well as mirror grinding. It is one of the most precise grinding machines in the world. The ultra-precision grinding machine (UPG84NC) exhibited by Gangben Company adopts variable-control electrostatic guide rails. The highest precision is: 1. The straightness of the reference surface is 0.4μm/800mm in the front-rear direction and 0.5μm/1000mm in the left-right direction; The minimum setting unit of the upper and lower and front and rear axes is 10 nm and the resolution is 2 nm. It can be used for processing ultra-precision parts such as optical instruments.
4. Composite (complete set of wire products) complete sets of line grinder products have a new level of manufacturing, two or more machine tools based on parts processing route and factory layout, several or even dozens of machine tools combined, the use The conveyor line forms a part or a part processing line (FMS), or integrates various processes such as grinding and measurement. This type of processing is more common in Japanese companies. These highly compounded products not only reduce production costs, but also meet increasingly stringent environmental requirements worldwide. Nowadays, many companies are not limited to improving the performance of a single machine with superior performance. Instead, they help users to consider all the problems they face during their processing. In fact, they effectively integrate many superior performance and perfect features to provide users with a full set of Process solution. Providing complete sets of line products and providing special accessory products for production lines will be another trend in the development of grinding machines.
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