4. CNC machining of wind power transmission gearbox gears Wind power generation equipment, which is clean, environmentally friendly and renewable, has developed rapidly in China in recent years. In order to meet the requirements of mass production of high-precision and large-modulus hard-toothed gears for wind power transmission gearboxes, gear CNC forming technology and equipment have been promoted and applied. China's important wind power gearbox development and manufacturing base Nanjing high-speed gear box factory, using advanced gear forming dry milling technology and forming grinding technology, as well as the corresponding large CNC CNC forming gear milling machine and CNC numerical control forming gear grinding machine The equipment is produced to achieve rapid growth of high-quality wind power gearbox products. During the processing and after the completion, the specified accuracy detection and monitoring of each gear is carried out, which is an important guarantee for the manufacture of high-performance, long-life wind power transmission gearboxes. The Grison-Pfalz large-scale forming gear grinding machine adopts the numerical control on-machine gear measuring device, which can perform on-machine scanning measurement on the tooth profile and tooth deviation of the gear; the new Klingberg P300 3-meter seat CNC The gear measuring instrument can measure the geometric accuracy of gear machining with high precision. The instrument adopts the work surface air floating technology to facilitate the safe assembly and adjustment of heavy workpieces. The high-precision grating sensor probe can quickly correct the workpiece installation eccentricity and implement software compensation. It is worth mentioning that the domestic CNC large-scale forming gear milling machine and CNC milling cutter head have been applied in the factory. 5. CNC machining of the transmission ball screw In recent years, Nanjing Process Equipment Factory has introduced the advanced ball screw hard cutting forming technology and CNC cutting equipment from Germany. The CBN forming milling cutter plate is used for precision turning and hard cutting of hardened steel bars, and the precision of the transmission ball screw thread is completed once. Forming processing. Since it does not use coolant, it meets environmental requirements and achieves efficient, high-performance machining. It is worth mentioning that the domestic laser rolling screw inspection instrument has been well used in the factory. Second, the status quo and development of tool and measuring instrument technology for CNC machine tools in China's tool manufacturing industry This time, we investigated three major manufacturers in the tool industry: Shanghai Tool Factory Co., Ltd., Harbin Measuring Tool Group Co., Ltd. and Harbin No. 1 Tool Manufacturing Co., Ltd. I deeply feel that China's economic strength has grown rapidly, especially the rapid development of machinery manufacturing industry for many years, creating unprecedented opportunities for China's tool manufacturing industry. The launch of the national “Eleventh Five-Year Plan†and major special projects has provided new development opportunities. According to their own characteristics, the relevant factories have formulated the short-term development policy and long-term development strategy goals, and have already carried out the implementation phase, achieved remarkable results, accelerated technological progress, continuously improved product quality, improved enterprise competitiveness, and sustainable development capability. Enhanced. In summary, there are several characteristics: 1. Based on traditional strong products, increase investment in technological transformation, introduce advanced technology, products and equipment, improve quality, expand scale, and establish and strengthen the dominant position in the industry. According to the development goals set by the Shanghai Tool Factory, it has invested heavily in technical reforms in a planned manner, and introduced and developed its own CNC equipment and technology for advanced hard alloy hole machining tools and tap processing, and advanced super-hard tool CNC manufacturing equipment. Technology, advanced CNC tool/blade coating equipment and technology, and high-speed steel heat treatment technology. On the basis of digestion and absorption, we actively develop and innovate, attach importance to the development and development of core technology of CNC tool manufacturing, and upgrade product structure to ensure the leading position of processing tools and tap products in the industry. The implementation of the new round of technical transformation investment and development planning has made positive contributions to the rapid development of the company into a domestic tool manufacturing enterprise with the largest production scale, the most complete product variety and the strongest supporting capability. In the past 10 years, the company has continuously strengthened its advantages in the development and manufacture of precision instruments such as gear measuring instruments, surface roughness measuring instruments and contour measuring instruments, and successfully developed the largest domestic 2 m CNC gear measuring instrument, which has become the most competitive in China. Manufacturer of precision measuring instruments. In 2005, through the acquisition of German Kaishi Company, the introduction of foreign advanced design and manufacturing technology and patents, the rapid establishment of advanced, double-sided constrained positioning and clamping HSK tool system production line, and the formation of mass production; quickly built CCD CNC tool pre-adjustment measuring instrument The production workshop of the series products has the capacity of 500-600 sets per year and has been exported to Europe in batches. Successful mergers, introductions, development and innovation, and localization have enabled Haliang to quickly establish its leading position in the country in terms of precision measuring instruments. In terms of related technologies and products, it has rapidly narrowed the gap with the international advanced level. 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The status quo and development of CNC tool and gauge technology in China (2)