The key technology and equipment development project for high-end CNC grinding machines for the steel and automobile industry is one of the key projects of Shanghai Machine Tool Works Co., Ltd., which is mainly aimed at the development needs of the steel industry, and develops heavy-duty CNC rolls suitable for manufacturing rolls for large-size steel plate rolling. Grinder series. Among them, the largest super-heavy CNC roll grinder that can grind 250 tons of workpieces in China is listed in the national “high-end CNC machine tools and basic manufacturing equipment†technology major project. Recently, at the National Machinery Industry Science and Technology Conference held in Beijing, the project won the “First Prize of 2010 China Machinery Industry Science and Technology Awardâ€.
It is understood that the main innovations of the project are concentrated in seven aspects, namely, super heavy-duty roll top grinding technology, high-performance head and tail frame structure design, on-machine precision measurement of large rolls, large-scale refinement technology of heavy-duty bearings, heavy-duty rolls Grinding wheel frame design, research and development of CNC roll grinder micro-feed system, roll grinding control software development and NC process realization. The project has declared or authorized 8 national invention patents and 6 utility model patents.
During the project development process, Shanghai Machine Tool Plant mastered the core technology of heavy-duty roll grinder research and development, built a R&D and testing platform for heavy-duty roll grinders, formed a research and development and production base for heavy-duty rolls, and laid the foundation for the improvement of the technical level of the domestic grinder industry. basis. The project covers 20 tons, 60 tons, 100 tons, up to the world's largest 250-ton CNC roll grinder. As the project closely follows the national key areas or industry needs, in recent years, CNC roll grinder series products have signed more than 40 sets of orders, about 300 million yuan of sales, reflecting better market effects and economic benefits.
The heavy-duty rolls produced by the product series included in the project are mainly used for the production of high-strength materials such as high-strength and wide-duty marine steel plates for military and civilian use, ship plates, special steel plates for nuclear power, atmospheric corrosion resistant plates, large-diameter oil-gas welded pipes and mold plates. High value-added products. The successful development of the project has broken the technical blockade of foreign special steel products to China, and it plays an important role in promoting China's oil and gas transportation, shipbuilding and national defense construction.
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