How is the Chinese tool industry sustainable?
WENZHOU DIYE VALVE&FITTINGS CO.,LTD , https://www.diye-valve.com
What is the gap between us and foreign countries?
Tool materials are backward, fake and shoddy still 猖ç—
According to China's cutting website, in 2012 China's tool consumption was 34 billion yuan, accounting for 26% of the world's tool consumption, accounting for 59% of Asian tool consumption. High-speed steel accounts for 53% of the tool material, cemented carbide accounts for 45%, and superhard material accounts for about 2%. China consumes 40% of the world's tool materials, but the tool production value is only 12% - 15% of the world, while foreign cemented carbide + super-hard materials account for more than 70% of tool materials. China's waste of materials is obviously not resource-saving. Scientific development concept.
The vicious expansion of inferior and low-cost tools has caused the greatest damage and interference to the development of the cutting tool industry. It has destroyed the market environment of healthy development of the whole industry and the competitive atmosphere of survival of the fittest. It is a "low-end melee, which has caused long-term development in the development of China's tool industry. The main reason for the high-end failure.
The tool structure is simple and the traditional tool still dominates
Some units have been working for decades. The twist drill is still a two-bar groove. It knows very little about the group drill. After decades of white steel knife, there is still no improvement. There are also saw blades and three sides. Traditional products such as edge milling cutters and taps have been consistently developed for decades. There is no improvement at all. Whether it is the tool specifications or the output value, the traditional backward tools still dominate. Compared with foreign knives, the research and development strength and level of Chinese knives are not enough, the understanding of tool varieties and specifications is not enough, the development of new tools, new materials and new coating technologies is insufficient, and the corresponding tooling and technology are lacking. Service support, as well as the lack of technical training and promotion of new tooling applications, coincides with the outstanding problems exposed by China's machinery manufacturing industry in the rapid development process.
Low tool life and poor stability
Feedback from domestic and foreign markets shows that a high-quality tool product not only has a high average life, but also has stable quality and good tool repeatability. Some tool factories in China have low tool life, and the average life expectancy is only 1/3 - 1/2 of foreign tools. Not every product has a low life span, but the life span is very different, and the dispersion is too large, resulting in a low average life of the tool. Many Chinese tool factories have done such experiments: compared to single pieces, Chinese knives are no worse than foreign ones, but if they take 10 pieces of PK, there are always 1 or 2 pieces of Chinese knives that are not satisfactory.
The stability of product quality and tool life is a comprehensive reflection of the company's technical level and management level. In particular, it is related to the intrinsic factor of the tool life-heat treatment, which has not yet achieved its due status. The idea of ​​“re-cooling and light heat†is deeply rooted, the metallographic control is not strict, the operation before the furnace is too random, the heat treatment personalization has not been implemented, and it is not too hard to be able to pass. The heat treatment concept still stays in the 20th century. The qualified level of the age, the high quality and long life of the tool?
Service concept behind
The Chinese tool industry is broadly divided into three types: product-based companies that process raw materials into tools to earn processing fees; development-oriented companies that sell both tools and technology; service-oriented companies that sell both tools and technical support. The Chinese tool industry is largely in the first two categories. Today, the cutting-edge industry is fiercely competitive. Only high-quality brands are far from enough. More importantly, we provide comprehensive and thoughtful services to our customers.
In addition to the above problems, there are also problems such as irregular specifications, untimely delivery, difficulty in grinding, and environmental pollution.
Tool sustainability strategy
In the past 2013, it was a bitter and difficult year for our industry. The global manufacturing industry is in trouble due to the decline in consumption drivers and the increase in labor costs in China. Many factories in China have experienced sharp declines in orders and profits, and at the same time, because a considerable number of enterprises are in a chaotic situation of vicious competition, it is very difficult. The industry pointed out sharply: Due to the lack of independent innovation of Chinese tool companies, they only focused on the short-term struggle of “short, flat and fast†and made quick progress. In the face of market changes, lack of basic research, lost the dominant power of development and innovation, and missed it. A good time for continuous development. How does the tool industry get out of the woods? The author believes that only innovation can have a bright future.
Original innovation
The so-called original innovation refers to a great breakthrough in principle, creating a new technology that has never been seen before. For example, in 2011, the German blue flag metalworking launched a hob called the quick cut king, whose composition is shown in Table 1. This material is neither a traditional high-speed steel nor a hard alloy currently widely used. It breaks through some of our inherent concepts of tool materials and forms a new tool material. It not only inherits the advantages of the original high-speed steel hob in the manufacturing process, but the cutting speed is increased by more than 50% than the high-speed steel, and even 30% higher than the powder metallurgy high-speed steel. Our Jialong Fenggang tooling company also has original innovation, that is, the induction of high-speed steel mechanical blade induction heating quenching, which was generally considered impossible. Now it has been put into mass production, the product quality is stable, the production and sales are booming, and the Jialong planing knife Material innovation has achieved initial results.
Mitsubishi Materials has developed laser cutting tool manufacturing technology to support precision machining in a variety of industrial sectors including automotive, aerospace and electronics. Henan Fenike has been focusing on the development and innovation of CBN materials and CBN tools. It has introduced a number of new CBN tools, which not only further improve tool life and processing efficiency, but also greatly improve the adaptability of processing materials and processing conditions. Zhengzhou Diamond The company's super-hard tools, extrusion taps and thread milling cutters developed by Suzhou Karma, forming broaching tools of Hengfeng Tools, Xiamen Golden Heron G-PAK tools, and CNC tools of Ningbo Sanhan Co., Ltd. The products are quite lethal.
At present, the main development trend of high performance tool materials is particle refinement and the addition of some trace elements to improve the performance of materials. We have all heard of the mystery of nanomaterials. Although the nanotechnology of knives is still in the laboratory stage and there is no commercial operation, it is convinced that in the near future, nanotechnology tool materials will gradually enter into operation. stage.
There are many examples of original innovations, such as the rigid bone blue diamonds introduced by AT1 Stella in 2007 and Walter's tiger cutters in previous years. In the 1980s, Kenner Metals used cobalt reinforcement technology (also known as cobalt-rich layer technology) on carbide inserts to improve tool quality.
Structural innovation
The principles of this type of innovation are already known, but there has never been a new product before, or a transformation of the original innovation. Typical examples of such innovations are high-pressure internal cooling tools introduced by Sandvik Coromant and Seco Tools. It is said that the turning tools have a very good performance in turning high-temperature alloys. Another example is Isa's hot wheel milling cutter, which actually uses the theory of the chip flute, and the theory of the flutes has long been written in textbooks, just before the Iscar's hot wheels. No one has applied this technology to the design of indexable inserts. Ni Zhifu, a pioneer in the innovation of Chinese knives, invented the three-point seven-blade twist drill as early as the 1950s, and later the group drill series, which greatly improved the drilling technology for different working conditions and different processing objects. But so far, China has produced thousands of drill mills. In terms of the structure of truncation and geometric parameters, there is not enough innovation. There is still much work to be done in the commercialization of group drills. Others such as saw blade milling cutters, hobbing cutters, broaching tools, and drilling tools are also well-documented in terms of structural innovation.
Application innovation
Refers to the application of the original technology to a new field, or the combination of technologies that have never been combined. For example, in the previous year, Tailuolu introduced a shallow-hole drill with a double-sided blade, which was originally used only on the turning tool to extend to the indexable double-sided milling insert. For example, the use of wiper technology on indexable milling cutters has been around for a long time, but it has also been innovatively applied to turning tools.
Innovation is by no means a simple imitation. Studying and applying advanced and efficient cutting tools from abroad, we must understand the principle of cutting tools and understand why people design so. What kind of benefits does this design bring to users and manufacturers? Occasionally, what are the differences between Chinese target users and foreign users in terms of usage conditions and usage habits? We should adjust materials and structures according to national conditions to meet the needs of our target users. The tools we produce are the ones our customers need. The products are truly integrated into our ingenuity and have our own innovative cutting tool products.
Service innovation
For the tool industry, only high-quality branded products are far from enough, and more importantly, to provide customers with a full range of metal cutting solutions. Tool manufacturers should strategically shift from simply supplying etalon to producing personalized, advanced and efficient tools as quickly as possible, and providing quality service.
Speaking of services, everyone will naturally think of the normal business of after-sales service and technical services, but the service I am talking about here is an innovative concept and a new business model. The service innovation initiative of Henan Fenike Company is worthy of praise: not only has the 24h service hotline been opened, but also specialized technical service personnel have been prepared according to the region. This is to provide technical services, technical training and solutions to customers in a timely manner. At the same time, in order to meet the user's urgent requirements for CBN super-hard tools, the company invested heavily in the construction of world-class high-end processing equipment and testing instruments, and customers can use it with confidence. The company has a variety of service forms, go out, please come in, all-round service customers, tighten customers, expand business scope, at the end of 2012, Fu Nike pioneered China's tool manufacturing enterprises, the first to open 400-878-5556 national unified customers hotline. Chinese customers can call, consult, purchase or feedback the various problems encountered during the first use of the tool. In the event of a customer complaint, the company will notify the responsible person of the relevant department within the first time and give a solution within 2 hours until the user is satisfied. The new product is free to use and will be paid after satisfaction. The company's customer service center has long-term technical engineers who can provide solutions when customers consult technology. Fu Nike's innovative services are not limited: network, telephone and other information transmission methods, giving more pictures or virtual models. In order to make people feel immersive and have a personal experience, in response to this situation, Fenike actively invites customers to visit the company, and feel the advanced products and technologies of Fenike and the comprehensive and comprehensive services at a close distance. The way to deepen communication on the spot, let Fenike and the user win together at the starting point and win in the future.
China's manufacturing industry is not strong, and it still stays in the mode of manufacturing and manufacturing, and is at the lower and middle end of the global industrial chain. In order to highlight the encirclement, we must transform and upgrade service innovation as soon as possible. These include industrial design and R&D services, modern logistics services and e-commerce, information services and outsourcing, energy conservation and environmental protection, and manufacturing service industries.
The successful experience of analyzing sustainable development in developed countries can be seen as promoting the service of manufacturing. It is understood that there are two "70% phenomena" in developed countries, that is, the added value of the service industry accounts for 70% of the GDP, and the manufacturing service industry accounts for 70% of the total service industry. According to this calculation, 70% × 70% = 49%, which means that the manufacturing services industry accounts for nearly half of the GDP of developed countries.
It should be said that the transformation of manufacturing to service has risen to a national strategy and has become a revolution in China's manufacturing industry.
Coating technology
Tool coatings are mainly chemical vapor deposition (CVD) and physical vapor deposition (PVD). At present, the processing of difficult-to-cut materials for the market demand, especially for turning inserts, mainly uses CVD, while other tools, including solid carbide tools, mainly use PVD. CVD mainly uses A12O3 coating and diamond (PCD) coating. Although there are not many varieties suitable for coating, but A12O3 coating is especially suitable for processing steel and cast iron, there is a great market demand, and PCD coating is especially suitable for automobile. Lightweight aluminum alloys and rapidly growing carbon fiber reinforced composite materials such as aerospace and wind power have great development prospects. It is predicted that the development direction of A12O3 coatings should be in obtaining deeper A12O3 coatings, controlled nucleation oriented growth techniques of grains, grain refinement techniques, and reducing and eliminating microcracks and droplets of coatings.
The development of PVD technology is more challenging than CVD and will definitely move toward diversification. On the one hand, by adding trace elements to improve the wear resistance and heat resistance of the coating, reducing the friction of the coating-cutting friction pair or the coating-worked surface friction pair, and reducing the transfer of cutting heat to the cutting edge; On the one hand, it will also improve its mechanical properties by refining the coated grains.
Clean manufacturing
The rapid development of China's economy has become a very prominent problem. The main source of air, water and noise pollution is industrial emissions. Some enterprises have only Jinshan Yinshan and do not want green mountains and green hills. Ignite in individual towns and villages, smoke everywhere, the river turns black, the green hills turn to dry, the sewage flows everywhere, the dust is flying all over the sky, the haze is normal, so it is impossible to continue to develop at the expense of the environment.
In order to keep our company in good development momentum, we must do a good job in environmental governance and do a good job in cleaner production. We should pay attention to the following aspects:
(1) Cutting revolutionary dry cutting and quasi-dry cutting MQL technology is the direction of future cutting technology development. For optimum machining results, tools and holders suitable for dry cutting must be used. We should vigorously develop and improve the dry cutting technology of different tools in different occasions to maximize the protection of the environment and improve efficiency.
(2) Do a good job in the treatment of three wastes The heat treatment of the tool industry is undoubtedly a major polluter. The waste water, waste gas and waste residue should be treated in a harmless manner according to relevant national regulations.
(3) Saving resources Firstly, from the reduction of the consumption of resources by the tool itself, the tool material contains a large amount of elements such as W, Cr, Mo, V, CO, etc. These materials not only consume minerals during mining, smelting, forging, and manufacturing. Resources also consume a lot of energy and increase many carbon emissions. The use of precision casting, tire forging, stamping and other technologies to reduce tool consumption and cutting volume are powerful means to reduce carbon emissions. In addition, the directional recovery of chips, the recycling of used tools, and especially the recovery and regeneration of superhard materials such as hard alloys are of great value.
Secondly, we must pay attention to reduce the energy consumption during the use of the tool. The more energy consumption, the more carbon emissions, the low-energy tools play a positive role in our environmental protection.
In addition, we must actively promote and apply advanced tools such as CNC tools, and apply advanced cutting technology to reduce the use of cutting fluids that are likely to cause environmental pollution.
people oriented
People in the world today are the most precious resources. As long as there are people, what kind of miracles can be created, and why is sustainable development? People are the most active factor in productivity and the biggest variable. Enterprise management is essentially interpersonal relationship. The first is the management of people and the second, and the second is the management of people. Advanced, high-precision knives are artificial, and bad things are also done by people. Some people have done statistical analysis. More than 95% of quality accidents caused by heat treatment are caused by humans. Some accidents are apparently caused by equipment or other factors, but careful analysis is still due to inadequate management or inadequate systems. Some enterprises are arbitrarily deducting workers' bonuses and even wages, and there are not many rewards. Modern management requires both a big stick and a carrot. Giving a big stick is a means, sending carrots is an eternal incentive, rewards and punishments are clear, and employees will reinvent the inherent potential of innovation. The wages earned by workers are limited, and the value created for enterprises is unlimited. People-oriented, do everything in the enterprise, the enterprise can prosper. Some enterprises cannot pay wages on time for years, how can enterprises develop sustainably? We must regard employees as the masters of the enterprise, and not as a machine to make money. Establishing new and harmonious interpersonal relationships and paying attention to the details of human operations is a necessary condition for the sustainable development of each company.
If "change" is the main theme of the development of cutting tools in the 21st century, then "innovation" is the way of survival and development in the 21st century, and "service" is an additive for sustainable development. There is no end to innovation, the market is endless, and services are endless. Modern cutting technology is developing in the direction of “high speed, high efficiency, high precision, intelligence, humanization, specialization, energy saving and environmental protectionâ€, as long as our tool industry adheres to the road of reform and innovation, providing warm and friendly and timely supporting services, and Always inject positive energy into the development of tool innovation, we will certainly become a world tool power by the tool manufacturing country.
Fake and fake five kinds of performance
Counterfeit domestic big-name brands even pretend to be foreign brands to obtain short-term high profits.
Use ordinary high-speed steel to counterfeit high-performance high-speed steel, such as M2 to impersonate M35.
Use ordinary low-alloy steel to counterfeit ordinary high-speed steel, such as 4,1, M2 steel.
Use alloy tool steel to counterfeit low-alloy high-speed steel, such as the so-called 4241 impersonation 4341.
Carbon steel is used as a high-speed steel, for example, a carbon steel drill is placed in a group of drill bits.
About the Author
Zhao Buqing, male, born in December 1943, born in Suining County, Jiangsu Province, graduated from Yangzhou Institute of Technology in 1968 with a major in metal heat treatment (now Yangzhou University). He is a senior engineer and has worked in Shanxi 304 Factory, Guangxi 301 Factory and Zhejiang Tangxi Tools Factory. 12 units (Zhejiang Tool Factory), Jiangsu Feida Tools Group, Zhenjiang Top Tools Co., Ltd., Anhui Jialong, etc., have been engaged in the work of mold steel and high-speed steel heat treatment.
In the heat treatment position, he worked hard for 46 spring and autumn, published more than 220 scientific papers and practical articles in more than 30 journals in China, published 3 heat treatment monographs, and participated in the writing of two technical books.
In 1987, he was awarded as an excellent craftsman of Zhejiang Mechanical System. In 1997, he was appraised by Jinhua Media. He is currently a member of China Jiu San Society, a member of China Mechanical Engineering Society, a member of the China Metals Society High Speed ​​Steel Academic Committee, a correspondent of Metal Heat Treatment, and a special correspondent for Metal Processing.
In March 2005, he participated in the Hardware Tools Expo in Cologne, Germany, and had the opportunity to visit the production process of hardware tools in Germany, Italy, Sweden and other countries. In March 2013, he was invited to Japan Kobe East Blade Company to inspect and exchange mechanical blade manufacturing technology.