Looking at the development trend of tools from the 12th Mould Exhibition

The 12th International Mould Exhibition held in Shanghai in May 2008 brought together many famous tool companies from home and abroad. The exhibits included new tool material grades, new tool structures, tool surface coating technology and equipment, tool systems and tooling. Clip technology, etc., these products and technologies represent the advanced level of tool industry development and the development trend of tool cutting technology. From the exhibits of this exhibition, it can be seen that the manufacturing precision of the tool and the blade has made new progress, and the level of cutting processing has been further improved.
A new generation of tool products promotes the development of cutting technology. The indexable shoulder-end milling cutter is the main tool in milling and mold processing due to its versatile structure. It is widely used and is the development focus of tool manufacturers. One of the highlights of many exhibits. Representative products include Sandvik Coromant's CoroMill 490, Iskar's SUMO T290 and Mitsubishi Materials' APX3000/4000 shoulder-length milling cutters, which are known to achieve "true 90°" The square shoulder machining, or the high-precision, high-quality wall machining without the tooling marks, has raised the processing quality of the universal multi-functional shoulder-end milling cutter to a new level.
At the show, Sandvik introduced the new generation of face and shoulder milling cutter CoroMill490, which was developed for small machines produced in small batches. Compared with the general square shoulder milling cutter, the cutting is lighter, the processing range is wider, and the 90° square shoulder milling can be realized. The square shoulder has a verticality of 0.015, and the shoulder side has a knife mark of less than 0.03mm. The roughness reached Ra 0.8 μm. For finishing small parts, it can reduce manufacturing costs by 25%. In addition, Isca has also introduced a SUMOT290 end mill and face milling cutter with a tangential vertical insert. The tangential orientation of the insert increases the diameter of the core of the cutter and enhances the rigidity of the cutter. The high strength can increase the feed speed; the blade has a large axial positive rake angle, which makes the cutting light and prolongs the tool life; the 90° square shoulder can be processed and the surface quality is good. For such a multi-blade indexable milling cutter to achieve the above-mentioned processing quality, it shows that the manufacturing precision of the indexable cutter has made new progress, and the accuracy and consistency of the cutting edge position of the multi-blade cutter of the machine clamp are improved.
The following two examples show the significance of the increase in tool manufacturing accuracy for machining. One example is the CoroThread266 thread turning tool exhibited by Sandvik Coromant. It features a positioning groove and positioning guide on the bottom surface of the blade and the surface of the blade, which significantly improves the reliability of the threaded blade clamping. Thread processing efficiency and accuracy. This tool is the second tool developed by the company after the CoroTurn TR to increase the rigidity of the clamping by the guide rail, which will have a profound impact on the development of turning. Second, there are more zero-degree rear-angle indexable milling inserts with double-sided groove shape, which makes the milling cutter blade can be used on both sides, and the blade has a complicated groove shape and a spiral blade edge. The overall cost of milling will be reduced, bringing new benefits to users.
Another example is the BMR03 series rough milling ball head knife and BMR04 series fine milling ball head knife exhibited by Zhuzhou Diamond Cutting Tool Co., Ltd. These two kinds of milling cutters can be used for various processes such as copy milling, surface milling and slot milling of the mold. Suitable for roughing, semi-finishing and finishing of mold cavities and rounded roots, respectively. The BMR03 series ball end mill inserts have a variable cross section groove shape and a unique side edge concave design, which effectively controls the chip curl and avoids the scratching of the blade side and the workpiece during processing, thereby improving the surface quality of the workpiece. The arc precision of BMR04 fine milling cutter blade is <0.005mm, and the precision of the blade shape after assembly is guaranteed within 0.01mm, which improves the machining precision of the mold.
In addition, due to the precision and inherent quality of the blade stamping, the rake angle of the milling insert can be made larger, the cutting edge is sharper, the cutting force is reduced, and the cutting heat is reduced, thereby significantly improving the milling effect. The fast forward end mills from Japan's Dazhao and the 490 series spiral-edge milling cutters from Isca have a great front angle.
Coating technology drives the development of new grades of tool materials Coatings play an important role in the development of new grades of tool materials. At this year's mold show, many of the new grades introduced by the exhibiting tool companies have in common that they are improving the performance of the inserts by developing new coatings.
The PVDSD (S-DLC) coating exhibited by Hitachi Tools of Japan is a new hydrogen-free DLC (diamond-like) coating. Compared with the conventional lubricity DLC, the hardness and the heat-resistant temperature are greatly improved, the hardness exceeds 60 GPa, and the heat-resistant temperature reaches 600 °C. Thanks to the new deposited particle filtration technology, the coating surface is very smooth and the friction coefficient is below 0.1, which effectively avoids material bonding and improves cutting efficiency and tool life. This technology has been used in indexable milling inserts and solid carbide end mills, drill bits and other tools to efficiently process aluminum, copper and fiber reinforced composites. The company has also developed ATH and ACS coatings for the processing of titanium alloys, heat-resistant alloys in AeroTH coatings and ball-end inserts for mold finishing.
In addition, the exhibits also reflected the development of coatings towards crystal atomization and surface smoothing, and introduced many new nano-coating technologies. Mpower, launched by Sulzer Meike Surface Technology (Shanghai) Co., Ltd., is the first product of the company's “microalloy coating” series. Its coating structure is nano-crystal and nano-multilayer. The coating has a microhardness of HV3550±350 and a maximum operating temperature of 1150 °C. Mpower coated tooling tools are ideal for machining high hardness mold materials (60HRC or higher) or medium hardness, high carbide content plastic mold steels for high processing finish.
Zhuzhou Diamond Cutting Tool Co., Ltd. has launched a new nano-coating series of blade grades to meet the requirements of industrial milling and difficult-to-machine material cutting in automotive, mold, aviation, etc. YBG203 is a high-performance AlTiN coating with ultra-fine particles. The combination of tough substrates provides higher thermal and chemical stability, excellent resistance to abrasive wear and bond wear. The company's second-generation black diamond insert grade retains the intermediate portion of the solid solution in the treatment of the de-β layer on the surface of the substrate, thus ensuring sufficient toughness of the blade edge and better matrix resistance. The ability to deform. At the same time, special surface technology is applied to the coating of the blade, which greatly improves the surface finish of the blade and effectively reduces the cutting force. According to reports, this series of blades can increase cutting speed by 25% and increase tool life by 30%.
The post-coating treatment of the blade plays an important role in improving the performance of the blade, and has also become a technical measure for developing a new grade of blade coating. The SUMOTEC series exhibited by Iskar has applied a special post-coating technology that not only improves surface finish, but also inhibits the formation of built-up edges during processing, and reduces micro-cracks on the surface of the coating. The quality of the blade surface and the ability to resist chipping significantly improve the performance of the blade. The company plans to use the technology on a variety of commonly used blade grades.
The new concept promotes the transformation and upgrading of the industry. The new concept of the development of the tool industry promotes the transformation and upgrading of the industry. At the mold exhibition, a wide range of mold processing tools not only show the importance of tool manufacturers to the mold industry, but also reflect their understanding of the mold manufacturing process. They are familiar with the characteristics of mold processing, and constantly develop high-quality and high-quality tool new products that meet the needs of mold processing. At present, many companies can provide a complete set of tools for mold processing, from cavity, shape to electrode processing, such as Jiejie, Teguike, Lanzhi and other companies. So, what makes them so professional? I would like to find the answer to the question from the foreign companies participating in the exhibition.
Sandvik Coromant put forward a new brand logo at the exhibition - "focus on your success", although it is a statement, but as the world's leading tool industry, it represents a new concept of the development of modern tool industry, that is, users The "success" is the goal of the company and the driving force for self-development. In addition, there are well-known OSG companies. They believe that companies not only provide products for customers, but also process them for users. Under the guidance of the concept of “processing for users”, the company continuously acquires the information and service needs of product development from “processing”, and develops new tools for various industries, provides new services, and realizes from them. The rapid development of the enterprise itself. As can be seen from the large number of exhibits from foreign companies for users, such an idea has become their consensus. It is gratifying that Zhuzhou Diamond Company, the leader of China's tool industry, also exhibited user-oriented products - mold tools, automotive tools, aviation tools and other products, which also indicates that China's tool industry is also embarking on a new Development model.
In the process of tool manufacturers serving users, some tool agents have provoked the burden of serving users and played an important role. Shanghai Heli International Trade Co., Ltd. and Beijing Jinwanzhong Technology Co., Ltd., as exhibitors, set up a bridge for tool manufacturers to provide users with timely feedback on user needs and product development information, and become reliable for manufacturers and users. Partner. Future advances in cutting processing will require more such tool dealers.
The performance of the tool is not only in the design and manufacturing process, but also largely depends on the correct use of the tool. Therefore, “serving users” is the responsibility of tool manufacturers, and it is also the need of the company's own development. The tool industry has taken the lead in the process of manufacturing to manufacturing service industry.

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