How to cool the gearbox or gearbox in the wind turbine? According to the original approach, it may be to install some cooling devices to ensure that the gear reducer motor can be used properly. Inside is a cooling spiral pipe, connected with some cooling water. When the cooling water passes through the spiral pipe, the heat will be transferred to the cooling water, and the heat will be transferred out, so as to achieve the cooling effect. The disadvantage of using cooling water is that the flow rate of cooling water should not be too large, and the speed reduction motor must be able to pass through the gear arbitrarily. If you don't work for a long time, you will be in danger of freezing. You must drain the cooling water clean.
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According to the latest data released by the China Machine Tool Industry Association, China's machine tool industry completed 638.056 billion yuan worth of industrial output from January to October 2012, an increase of 11.68% year-on-year, and sales value of 618.593 billion yuan, an increase of 11.28% year-on-year. The sales ratio was 96.94. %.
In addition, from January to October 2012, China's machine tool industry achieved an export delivery value of 37.242 billion yuan, a year-on-year increase of 15.29%, a decrease of 2.84 percentage points from the same period of last year. From the perspective of sub-sectors, the growth rate of metal-cutting machine tool manufacturing, metal-forming machine tool manufacturing, other special equipment manufacturing, and other non-metallic mineral product manufacturing industry export growth has increased to varying degrees.
According to the results of the survey conducted by the Machine Tool and Tool Association from seven industries, some of the key companies in the company's orders were compared. The new orders and in-hand orders decreased by 35.7% and 28.4% year-on-year, respectively, and the rate of decline decreased month by month. According to reports, of the more than 50 companies recently surveyed by the association, 76.6% were enterprises with negative growth in new orders, 86.1% were enterprises with negative growth in orders, and the largest decrease rate was even 84%. This also means that it is rather cruel. Some companies may face the plight of all production shutdowns or even bankruptcy in the fourth quarter.
The data shows that in October, the sales value of China's machine tool industry fell sharply in the first nine months. Among them, the growth rate of cutting tool manufacturing, machine tool accessories manufacturing, and other special equipment manufacturing industries accounted for a larger decline, which was a year-on-year increase. The speed dropped by 34.86, 26.34 and 27.05 percentage points respectively. From the perspective of the output of major products, the overall decline in 7 kinds of products in China's machine tools and tools industry in October saw a decline in the number of CNC machine tools, which was a drop of 62.75 percentage points year-on-year.
Sheng Chunfang, a member of machine tool media, commented: At present, the machine tool industry is facing a huge challenge in 2012. The cruel and grim situation has caused companies to be in a state of tension. How can the company continue to stay afloat in the face of falling orders? To tap the market potential has become a problem for the company's sales department. New orders and in-hand orders decreased by 35.7% and 28.4% year-on-year, respectively, and the decline was lower month by month. This means that at present, the demand for machine tools is decreasing. Many unsuspecting people will feel that the machine tool industry is not in a good condition. It is known that this is mainly related to the large mechanical industry environment.
From the perspective of the output of major products, from January to October, in the several products of the machine tool industry, the output of CNC machine tools has a downward slide. The machine tool is the production “master†of other machinery and equipment industries. The decline in machine tool output reveals that other machinery industries have not updated the will of the machine or expanded the production trend, and the market is not optimistic.
Of course, in this data, we can't see the challenges and opportunities faced by different machine tool companies. After 08 and 09 years, a large number of new machine tool companies have emerged, which also comes with the arrival of a new group of machine tool accessories and accessories companies. The phenomenon of saturation is more serious. Faced with the decline in the volume of orders since the second half of last year, these small companies are often more influential. They have suffered a crisis of suspension or bankruptcy. Some old machine tool companies, if they do not attach importance to the replacement of products, are also prone to retrogression and layoffs in such a competitive environment. According to reports from related companies, some machine tool factories have failed to survive the cold market and have also been merged by large companies. Some of them have already switched: If there are reorganized parts for motorcycles, there are "relocation of nails to the field" and farming in farming.
The benefits of this situation will be to the extent that it will be beneficial to the survival of the fittest in the market, help the transformation and upgrading of the market, and make enterprises pay more attention to the independent innovation of technology research and development, which will definitely bring opportunities for the “worldization†of Chinese machine tools.