Since the "12th Five-Year" development plan was put forward this year, "structural adjustment and industrial upgrading" has become the main theme of the overall planning for development across the country. Recently, the Ministry of Industry and Information Technology officially issued the "Twelfth Five-Year Development Plan for the Iron and Steel Industry" (hereinafter referred to as "Planning"), and then the steel industry will also undergo major changes, and will have a major impact on the development of downstream industries. As far as the mechanical accessory industry is concerned, the introduction of the “Planning†will greatly improve the quality requirements of steel itself, thus driving the cost of the supporting parts, but it is very good in terms of quality improvement, structural adjustment, and industrial upgrading of mechanical parts. Good promotion. As far as China's current steel situation is concerned, the quality of domestic steel products needs to be upgraded. The overall level of physical quality of China's steel products is still not high, only about 30% can reach the international advanced level. Low-end products are beginning to show signs of overcapacity, and high-quality products cannot fully meet domestic demand. A large part of the demand depends on imports to fill vacancies. For example, the varieties of hot-rolled reinforced bars with a large amount of surface are upgraded slowly, and the specifications and standards cannot meet the requirements of steel for reduction. The quality of the products is unstable, and the downstream industry is still unable to use steel efficiently and scientifically. A small number of key varieties of steel still rely on imports, high-strength, corrosion-resistant, long-life, reduced and other high-performance product development and production technology needs to be further improved. The steel industry has not yet formed a service system that provides complete material solutions for downstream industries. The implementation of the "Plan" will help promote the overall upgrading of steel quality. Through the merger and reorganization of iron and steel enterprises, especially to play the leading role of some leading enterprises, encourage steel enterprises to take the development path of “specialization, precision, speciality and newnessâ€, vigorously promote the technological progress and upgrading of steel enterprises, and develop green low-carbon energy-saving and environment-friendly Steel and high-performance steel materials. The high standard requirements of the “plan†on steel will directly affect the quality improvement of mechanical parts. As far as the current domestic mechanical parts are concerned, the reliability of China's construction machinery parts has always been problematic. In the survey, 80% of the respondents believe that the domestic accessory products are mainly compared with foreign brand accessory products. The disadvantage is poor product reliability. Compared with the advanced level in foreign countries, the reliability is too far, especially the transmission parts, hydraulic components, electrical components and so on. The problems of short life of hydraulic pumps, hydraulic motors and bearings are also prominent. The degree of rigidity of the spring type is unstable, and the shifting pressure adjusting spring and the shifting positioning adjusting spring are softened to varying degrees, resulting in a relatively high failure rate of the fitting. Therefore, the performance instability of the components is not only in addition to the manufacturing process level, but also depends largely on the quality of the raw materials, that is, the quality of the steel. In particular, the quality of steel currently used in the field of engineering machinery parts still has many shortcomings, so the steel is improved. The quality improvement of quality-enhanced mechanical parts is particularly important. Previously, the State issued the "Implementation Plan for the Revitalization of Mechanical Basic Parts Industry", "The 12th Five-Year Plan for the Development of Mechanical Basic Components, Key Special Materials and Basic Manufacturing Processes", which required "to break through a number of key manufacturing technologies and product technologies for basic components." The level reached the international advanced level at the beginning of the 21st century, which created a good atmosphere for the development of engineering machinery parts, and the proposal of the 12th Five-Year Development Plan provided quality requirements and guarantees for the quality of engineering machinery parts, through steel and steel The improvement of its own quality and the improvement of toughness, in order to prolong the time-consuming of engineering machinery parts, improve wear resistance, accuracy, stability and extend the service life of the components. The improvement of the quality and performance of the raw materials and steel products of the supporting parts is bound to put higher standards on the steel quality technology, and the cost will also rise. In addition, the reduction of the number of steel enterprises and the shrinkage of the total steel supply will inevitably drive the machinery. With the increase in the cost price of the kit, however, in terms of overall development, the "Planning" is a good information for the overall development of the supporting parts, especially the quality improvement and structural adjustment of the industrial upgrading.
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