The status of tools is increasingly showing the rapid rise of CNC tools
August 12, 2022
Abstract CNC high-speed cutting technology is an advanced manufacturing technology that has risen rapidly in the past 20 years. It is widely used in aviation, aerospace and automotive fields due to its high efficiency and high quality. Today, with the continuous development of new aviation materials, high-strength steel, high-temperature alloy, titanium alloy, complex...
CNC high-speed cutting technology is an advanced manufacturing technology that has risen rapidly in the past 20 years. It is widely used in aviation, aerospace, automotive and other fields with its high efficiency and high quality. Today, as new aviation materials continue to develop, the number of difficult-to-machine materials such as high-strength steels, high-temperature alloys, titanium alloys, and composite materials is increasing, which plays an important role in promoting and promoting the development of CNC tool technology. In the development of CNC high-speed cutting technology, the key position of tool and tool technology is increasingly apparent.
Since the beginning of the new century, with the large-scale manufacturing industry in developed countries shifting to China, and the domestic manufacturing industry has also accelerated the pace of technological transformation, domestic CNC machine tools have begun to enter the manufacturing field. A sharp contradiction quickly surfaced, and advanced CNC machine tools, equipped with advanced domestic tools, had to be equipped with "foreign knife." The product structure of China's tool industry for decades has finally exposed serious defects in the new development period, dragging the hind legs of manufacturing modernization.
China's current annual tool sales of 14.5 billion yuan, of which the proportion of cemented carbide tools is less than 25%, not only far from the international market tool product structure, but also can not meet the growing demand for cemented carbide tools in the domestic manufacturing industry. Among the knives used in domestic manufacturing, the proportion of cemented carbide tools has reached more than 50%. The problem of disconnected supply and demand structure has been very serious. The consequence is that a large number of surplus high-speed steel tools are exported at low prices or sold domestically, while high-efficiency cemented carbide tools However, it has to rely on a large number of imports, and the import volume has increased from $0.9 billion in 2001 to $450 million (about 3.6 billion yuan) in 2005.
The imbalance of the tool structure is that the tool produced is not in line with the demand. For example, the hard alloy cutters that users need are large, but the high-speed steel cutters are overproduced; the high-efficiency cutters that are urgently needed in modern manufacturing are large, but the low-grade standard cutters are overproduced.
In developed countries, cemented carbide tools have now dominated the tool, accounting for 70%. High-speed steel tools are shrinking at a rate of 1% to 2% per year, and the current proportion has fallen below 30%. The proportion of superhard tools such as diamond and cubic boron nitride is about 3%.
