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The second is the CNC tool measurement technology and instrument, especially the high-precision CNC numerical control tool measurement technology, CNC tool on-machine measurement technology and CNC tool pre-adjustment measurement technology and instrument. Taking the series of high-precision and fully automatic tool pre-adjustment measuring instruments as an example, China's development started relatively late. In 2005, at the Beijing Machine Tool Exhibition, Haliang and Tianjin Tianmen debuted to show the use of digital knives with area array CCD. Pre-adjust the measuring instrument prototype. In addition, Tianjin Tianmen, Chengquan, etc. are all under development, but there is still a certain gap in technical level and quality.
The third is the on-machine/online digital measurement technology and instrument suitable for the production site, especially the on-machine measurement and feedback correction compensation technology and device for complex precision contour machining, such as CNC forming gear grinding machine measurement technology and device, steam turbine blade site. Online measurement technology and devices.
Some experts in the industry have pointed out that in the past, the division of professional research institutes in the machinery industry into enterprises has led to a reduction in investment in technology development and the loss of technical backbone personnel, which has adversely affected the development of precision measuring instrument manufacturing. In this regard, Xie Huaxuan believes that relevant state departments should take measures as soon as possible, through policy inclination, increase investment in the “National Precision Tools Engineering Technology Development Centerâ€, selectively, appropriately restore or form a limited number of non-profit, countries. The funded professional research institutes focus on high-tech research on the development of the national economy and national defense industry, and guide and promote the improvement of the technical level of the industry.
The development situation of China's machine tool cutters and measuring instruments in three technical fields
First, the measurement technology and instrumentation of CNC machine tools, especially the high-precision dynamic and static CNC machine tools represented by laser measurement systems, and the accuracy and performance testing techniques and precision compensation technology. The high-performance laser measuring system is mainly used for the precision detection and evaluation of high-end numerical control equipment such as CNC machine tools and coordinate measuring machines. China's domestic laser interferometry system, which is mainly developed and produced by Chengdu Tool Research Institute, has a certain gap compared with foreign advanced level.