1. Product description
With the deepening of the research on the processing methods, processes and equipment of metal clad plates and the expansion of the application scope of tantalum clad steel plate, the composite rolling technology of metal clad plates in China has made some progress. However, some key issues need to be further studied, such as the stability and improvement of composite rolling technology, the research on asynchronous rolling technology, and the development of composite rolling equipment. Among them, the compound rolling equipment should be equipped with advanced control methods and means, and the production process should be guided by computer simulation and numerical analysis method of simulation. The structure of the equipment should be designed and optimized on the basis that the compound equipment meets the process requirements. With the research and development of new materials, new processes and new equipment, the research of composite rolling equipment will be more in-depth, and will develop towards high-precision and intelligent direction.
2. Product Features
It belongs to layered composite materials and has developed a variety of preparation methods, making the production technology of tantalum clad steel plate have made rapid progress. In the 1950s, the University of Birmingham in the United Kingdom carried out a systematic study on the solid phase composite technology, and Japan began to produce nickel/steel composite plates, and formulated the technical standards for Ni, Ti and Cu composite plates At present, JFE, JSW and VAI in Japan are researching and producing hot rolled stainless steel clad plates. The United States, Russia, the United Kingdom, China, and other countries have made many achievements in the design, surface treatment, composite mechanism, interface adaptation, and research on microstructure and properties of metal to metal and metal to nonmetal laminated composites, and formulated a series of standards, which greatly promoted the promotion and industrial application of laminated metal composite rolling technology.
3. Our advantage
Hard work, and good work will always be rewarded. With more than ten years of hard work, relying on the geographical advantages of the development of China's Titanium Valley Industry and the east wind of reform and innovation, Taicheng’s people have worked hard and forged ahead all the way. With the strong support of colleagues from all walks of life, Baoji Taicheng Metal Composite Material Co., Ltd. has developed into a high-tech enterprise in the metal clad industry with an annual output value of more than RMB300 million, “TAICHENG HEXIN” has become a well-known trademark. Taicheng’s products have been exported to more than 70 users at home and abroad, which are highly praised by users and have made due contributions to building an innovative, green, environmental, and energy-saving society.
4. FAQ
Hot rolling and cold rolling
Because hot rolling lamination is easy to form brittle intermetallic compounds, the cold rolling lamination method came into being. At present, the "three-step" rolling method is adopted for cold rolling compound, namely surface treatment → rolling compound → annealing treatment. Compared with hot rolling, cold rolling cladding adopts one pass large variable rolling, and the deformation reaches 60%~80%. Therefore, the cold rolling compound puts forward higher requirements for the rolling mill, which greatly limits the application scope of this process. The asynchronous rolling process is a new production technology of plate and strip rolling in the 1960s. The so-called asynchronous rolling is a new rolling technology characterized by asymmetric linear speed of rolls. It has the following characteristics:
① The friction force between the upper and lower rolls on the contact surface of the metal plate is in the opposite direction: the friction force generated by the fast roll is forward, and the friction force generated by the slow roll is backward, forming a "rolling zone" in the middle of the plate.
② The unit pressure is evenly distributed and changes gently. This rolling method can reduce the critical deformation during composite. At the same time, because of the different plasticity of component metals, it is inevitable that the metal flow will not be synchronized during composite. By controlling the asynchronous rolling process, the deformation of the matrix and cladding can be consistent, which is conducive to the improvement of the interface strength of the composite.
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