A tool is a tool used in machining for machining, also known as a cutting tool. With the development of manufacturing technology, cutting processing, as the main basic process of manufacturing technology, has entered a new stage of development characterized by the development of high-speed cutting, the development of new cutting processes and processing methods, and the provision of complete sets of technologies. At the same time, tool technology is also developing in the direction of high hardness, high speed, high precision and dry machining, playing an important role in the automotive, aerospace, energy, military, mold and other fields.
In recent years, advanced manufacturing has been listed as a key priority area in China. High-end CNC machine tools and basic manufacturing technologies have been included in one of the 16 major special projects. Various policies and measures have also promoted the rapid development of the CNC machine tool industry, thus driving China's cutting tools. The industry is growing rapidly. With the increasing attention paid to energy conservation and consumption reduction, the trend of lightweighting of mechanical components is very obvious. Light metal materials such as aluminum alloys and fiber reinforced synthetic materials have been widely used. The use of diamond tools and diamond coated tools has grown dramatically. At the same time, high-performance high-speed steel cutting tools stand out from traditional tools with the support of advanced technologies such as modern powder metallurgy technology and coating technology, and realize high-speed and high-efficiency processing in some fields.
In the tool industry, CNC machine tools have become the mainstream of manufacturing equipment today, shouldering the heavy responsibility of providing CNC equipment with key equipment for the manufacturing industry. The processing technology level of the manufacturing industry is greatly affected by the overall level of the tool industry, and the development of the manufacturing industry will also promote the development of the tool industry. According to the needs of the development of the manufacturing industry, multi-functional composite tools, high-speed and high-efficiency tools will become the mainstream of tool development. Faced with the increasing number of difficult-to-machine materials, the tool industry must improve tool materials, develop new tool materials and more rational tool structures.
The “2014-2018 China Tool Industry Investment Analysis and Forecast Report†issued by China Investment Consulting Co., Ltd. has a total of twelve chapters. Firstly, the definition and characteristics of the tool are introduced. Then the status quo of the international and domestic tool industry is analyzed, and the financial status of the Chinese tool industry is analyzed in detail. Subsequently, the report focused on the regional development of the tool industry, and analyzed the development of the material industry in the tool industry. Finally, it analyzed the development prospects of the tool industry and the operation status of key enterprises.
The data of this research report mainly comes from the National Bureau of Statistics, the General Administration of Customs, the Ministry of Commerce, the Ministry of Finance, the China Investment Consulting Industry Research Center, the China Investment Consulting Market Research Center, the China Machinery Industry Metal Cutting Tool Technology Association, and the domestic and international key publications. The data is authoritative, detailed and rich, and scientifically predicts the industry's core development indicators through professional analysis and prediction models. If you or your company wants to have a systematic understanding of the tool industry or want to invest in the tool industry, this report will be an indispensable reference tool for you.
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Take a deep breath, close your eyes, the world has the freshest oxygen ...
Yu Quan's "Deep Breath" is well known to us, but as the environmental problems become more and more serious, the haze sky also increases, PM2.5 PM10 and so on Vocabulary has also been mentioned more and more, and air purifiers have quickly become popular on the market with this "air quality" trend. Along with this, the air-clean brand has sprung up, and various technologies are dazzling. Which ones are indeed effective and which are just tasteless propaganda? How does the Air Purifier bother us to get rid of pollution? And look at the editors for you.
Analysis of air purifier
The critical value of PM2.5 content is 75 μg / m3
The pollutants in the air mainly include soot, total suspended particulates, inhalable particulates (PM2.5) and fine particulates (PM10). The smaller the diameter of the particulates, the deeper the part that can enter the respiratory tract. 10 micron diameter particles It is deposited in the upper respiratory tract, and particles below 2 microns can penetrate 100% into the bronchiole and alveoli.
1k-5k air purifier prices vary greatly
The air purifier products on the market not only have various functions, but also have prices ranging from thousand yuan to tens of thousands. The pricing of imported products is generally higher than that of domestic brands. Except for the core technology of many brands, the promotion of purification effects is similar, and consumers need to choose according to demand.
The air quality standard of 74 key cities is only 4.1%
According to the data of the press conference held by the State Council Information Office on June 4, according to the new "Ambient Air Quality Standards", the six pollutants SO2, NO2, PM10, PM2.5, CO and O3 were evaluated, 74 new standards In the first phase of monitoring and implementation, the proportion of cities that met the ambient air quality standards was only 4.1%, and the other 256 cities implemented the old air quality standards, and the proportion of cities that met the standards was 69.5%.
Air purifier Air Cleaner home air purifeir sales increased by 90.5% compared with last year
According to a report recently released by the China Electronics and Information Industry Development Institute, due to the haze weather, air purifiers have become the most concerned home appliance products, with sales of nearly 2.4 million units nationwide last year, a year-on-year increase of 90.5%; retail The amount reached 5.6 billion yuan, a year-on-year increase of 105.9%.
HEPA filter needs to be replaced in March
The filter of the air purifier is the same as the filter of the water purifier, and it is not effective for a long time. After long-term use, the accumulation of dust on the surface of the filter will also cause the filter to gradually fail. Therefore, when the haze is more serious, the non-washable HEPA filter needs to be replaced every three months.
Merchants claim that the purification rate is more than 99% for the concept of stealing
99% or even 99.99% seems to have become a slogan for many air purifiers on the market. Many brands of products promote their high removal rate of PM2.5 and formaldehyde. In fact, this kind of publicity is more of a kind. The slogan of stealing the concept, the removal rate of 99% is the effect of the material itself on PM2.5 and formaldehyde, not the effect of actually running in space.
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