Analysis on the position of cutting and precision

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Analysis of the position of tool cutting and precision measurement in CNC machine tools

in the precision instrument debugging room of the National Precision Tool Engineering Research Center, the staff clicked the button, and the car gear fixed on a detection platform turned quickly. The computer plane next to it began to fly in the air with extremely low temperature, and the numbers were jumping rapidly on the screen. In just over 10 seconds, the measurement results will be displayed, with the measured values and allowable deviation values beside them, which makes it clear that the segregation is serious. Chao Gang, deputy chief engineer of the research center, commented on the self-developed rapid detection and sorting machine: due to its fast detection speed, high degree of automation and low price, it meets the requirements of automobile manufacturers to achieve 100% rapid detection of gears and ensures the quality and safety of automobiles nationwide. The equipment fills the gap in the field of domestic automotive gear detection and sorting technology

figuratively, the NC cutter is the tooth of the NC machine tool, and the precision measuring instrument is the eye of the NC machine tool. They promote each other and are closely related. Equipment, services and promote the development of NC manufacturing equipment, especially digital cutting technology. The senior engineer and doctoral supervisor of Chengdu Institute of tools make an analogy. As the basis of numerical control cutting technology, there is still a big gap between China's tool manufacturing industry and foreign advanced level in the technical level and performance quality of measuring instruments. Relevant statistics show that after decades of construction and development, China's measuring tool industry has initially formed an industrial system with a relatively complete range of products, a certain production scale and development capacity, and has become the world's second largest measuring tool manufacturer after Japan

domestic measuring tools have constant highlights, from visual inspection to simple measurement and then to precision measurement. The progress of measurement technology to a certain extent guarantees the progress of manufacturing technology. Mr. Qian Xuesen, a famous scientist, also pointed out that information technology includes measurement technology, computer technology and communication technology. Measurement technology is the key and foundation

precision machining and manufacturing requires not only the accuracy and stability of machine tools and the accuracy of tools and fixtures, but also precision measuring tools and meters to calibrate and measure. Some are in the process of processing; Some are post test. Precision machining and manufacturing not only need the accuracy and stability of machine tools and the accuracy of tools and fixtures to ensure, but also need precision measuring tools and meters to calibrate and measure. Industry experts revealed that, taking the wind power industry as an example, the processing and testing of some typical key parts in power generation equipment, such as turbine blades, rotor grooves, and steam turbine generator rotor slot, to a certain extent, represent and reflect the latest achievements and levels of a national advanced cutting technology and (3) pouring concrete numerical control tools with strength grade not less than C20 in the pit, digital measurement technology and measurement instruments, Therefore, it has attracted the attention of the tool manufacturing industry

it is gratifying that domestic measuring tool and gauge manufacturing enterprises have increased investment in the independent development of digital display technology and digital display hardware measuring tool products in recent years, and have achieved great results. Domestic digital display measuring tools developed from simple strip liquid crystal digital display to more complex surface liquid crystal dynamic simulation image display in the past few years. The resolution of digital display caliper capacitance grating has developed from 0.01 mm to 0.001 mm, and the measurement accuracy and reliability have been significantly improved. The continuously improved waterproof and dustproof performance also enhances the market competitiveness of domestic digital display measuring tools. In the past 10 years, it has continuously strengthened its advantages in the development and manufacturing of precision instruments such as gear measuring instruments, surface roughness measuring instruments and contour measuring instruments. It has successfully developed the largest 2-meter CNC gear measuring instrument in China, and has become the most competitive manufacturer of precision measuring instruments in China

dual frequency laser interferometer is the core product independently developed by the center. At present, only the center in China has this technology and can produce this equipment. Its successful development has changed China's long-term dependence on imports in this field. Chao Gang proudly said that the multiple functions of the instrument have broken the technical blockade of foreign countries, with a detection resolution of 0.02 microns and a detection length of 20 meters. The price is much lower than that of similar foreign products. Internationally, this instrument can compete with similar products in Britain, America and other countries! The director of the National Precision Tool Engineering Research Center and the director of Chengdu Tool Research Institute said that so far, the center's achievements in new tool materials, tool material surface modification process, gear measuring instrument and other aspects have been at the domestic leading level. Through unremitting efforts, we now have the most advanced precision tool production equipment with independent intellectual property rights in China, and have established an industrialization base, so that when China's precision tools are in research and development, process equipment and production, we can judge that the amplifier unit has achieved leapfrog development in terms of normal industrialization capacity, and some achievements have approached or reached the world's advanced level

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