Bearing industry is not only the basic industry of manufacturing industry, but also the important supporting industry of national major equipment and precision equipment manufacturing industry. Its development has played an important role in the development of China's manufacturing industry.
In recent years, the development momentum of bearing manufacturing industry in China is strong, which will bring favorable effects to the stable and better market of bearing steel. The demand for a number of high-end bearings has increased substantially, such as aerospace bearings, high-speed precision bearings for machine tool spindles, precision angular contact ball bearings for ball screw support, high-speed motorized spindle bearings, turntable bearings, wind bearings, and joint bearings for shield machines. The large demand has brought about the development of a large number of enterprises.
According to statistics, there are more than 1400 bearings enterprises in China, with more than 300,000 employees. In 2011, China's bearing manufacturing industry realized a total industrial output value of 193.211 billion yuan, an increase of 27.59%, sales revenue of 191.097 billion yuan, an increase of 30.30%, total profit of 125.23 billion yuan, an increase of 26.54%.
Although the overall situation is better, with the development of global economy and integration, the bearing industry is also facing great challenges, including the acceleration and reduction of product life cycle, highly customized product demand and the intensification of competition in different global markets. To solve these problems, the bearing industry needs to start from many aspects.
1. Improve the technical content, work efficiency, reliability and accuracy of products.
From the current product structure of bearing industry in China, the production capacity of ordinary bearings with low technology content has been relatively sufficient; while bearings with high precision, high technology content and high added value have particularity and can meet special working conditions of self-lubricating bearings, regardless of variety or quantity, have greater development space. In terms of product quality and technical level, China still needs to import a large number of high-end bearings every year.
Improving the R&D, design and manufacturing capabilities of sliding bearing manufacturers is the only way to achieve high technology content, high reliability, high efficiency and high precision of sliding bearings. With the support of national policy and the rapid development of China's equipment manufacturing industry, it is expected that in the future, sliding bearing enterprises will focus on improving the accuracy, performance, life and reliability of bearing products. By increasing R&D efforts and introducing advanced manufacturing equipment from abroad, the manufacturers of sliding bearings in China have continuously improved their R&D, design and manufacturing level, which is in line with the inevitable trend of future industry development.
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