In recent years, China Machine tool And tool consumption continuous aspirations to the world, and foreign well-known tool vendors have entered China, occupies a very large market share; the same time, domestic enterprises are tools to catch up, through learning, innovation, and achieved gratifying results; domestic air users through their own practical needs in production or with the cutting tool suppliers to Cooperation R & D, innovation, continuous improvement of the tool; major research institutions as a key technological development of the main force, through the establishment of key laboratories for scientific research projects focus on technologies and products in research and development tool to make an important contribution.
This survey, the survey distribution shown in Figure 1.
Figure 1 Distribution of survey Key technologies and efficient tool Modern and efficient tool to adapt to the rapidly developing world, allowing users to achieve the highest efficiency of as much as possible, to maximize profitability and quality optimization, need to constantly make improvements in key technologies and innovation. Survey, tool material, tool coating, tool structure is highly efficient tool for the development of key technologies of concern to the main content.
1 the decisive role of tool materials
Survey results show that the tool materials research and development and application of tools based on the development of cutting tool material increase in cutting tool plays a decisive impact. Wide range of applications including high-speed steel tool materials, carbide, super-hard tool materials (including ceramics, cubic boron nitride, poly Diamond Etc.). With the continuous development of the manufacturing industry, high-speed steel carbide is being replaced as a major tool materials, superhard cutting tool materials, the use of weight also increased significantly. In the well-known tool vendors, introduced a new high mountains Jabro General Machining Solid Carbide Mills Solid2 series, the applicable processing temperature of 800 from general tool to improve the existing 1100 , thus improving working efficiency and tool life, tool cost has been greatly improved. On the other hand, with the dry cutting, hard machining of development, foreign companies have introduced ceramic and superhard cutting tool materials, the new grade.
2 coating can not be overlooked tool
Tool coating technology to improve tool performance and cutting advances in technology also plays a very important role. In the survey, reporters learned that the rapid development in recent years is in the stage of PVD, applications for different cutting conditions, can film composition, structure, selection, by means of appropriate technology, to obtain a satisfactory cutting results, showing improving tool performance has enormous potential and unique advantages. At the same time, in order to improve the processing of aluminum and other non-ferrous metals and non-metallic materials, the efficiency of the further application of diamond coatings, the product covers the indexable cutting tools and solid carbide cutting tools.
3 faster pace of innovation tool structure
Innovative tool structure is reflected in the structure of the optimization tool, cutting the rational distribution of load, three-dimensional chip-breaking groove development, and with a spiral angle of the blade before the blade of the advent of milling and the small size of the development of shallow hole drilling areas, there a variety of new indexable structures, such as high scratch light for turning the blade, the shape of the complex with a front corner cutter blade, ball-end cutter blade. Tool structure optimization, geometric parameters can be more rational to improve tool performance and increase, new types of indexable cutting tool, not only in turning, milling, drilling in the field of application of a new breakthrough, but extended to broach and Gear Shape processing complex processing areas. If the CoroMill316 Sandvik Coromant is the first interchangeable head milling product line to cover 10 ~ 25mm in diameter, its new chamfer and radius range of carbide cutting head extension, can be applied to more applications, Chuck End mill with interchangeable threaded through a unique interface to achieve a high strength and precision of the perfect combination.
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