Recently, Panzhihua Iron & Steel Co., Ltd. relied on independent innovation, and adopted the new technology and new technology to successfully roll out 75mm triple-joint square steel in the domestic counterparts. It successfully solved the problem of large-scale rolling mill difficult-to-roll small square steel, and the production efficiency was compared with the original one. The branch steel has been more than tripled, laying a solid foundation for Pangang to implement the fine brand strategy and to create steel specialty products.
Three-piece splitting and rolling refers to designing and turning three holes of the same specification on one roll, and three pieces of products with the same specifications are rolled out one by one with one billet. This rolling technology and hole type system development process have no experience in China at present. It is difficult to ensure the fullness of the hole type in the rolling process, and the uniform distribution control of the three-piece split rolling metal is difficult. And the existing 950 production line of the rail beam can only turn the angle of 90 degrees, can not turn 45 degrees and other problems, innovative technology and control technology, successfully rolled 380 × 280 billet once 75 mm three-piece square steel. At present, Panzhihua Steel's 75mm triple piece square steel has been put into mass production.
Three-piece splitting and rolling refers to designing and turning three holes of the same specification on one roll, and three pieces of products with the same specifications are rolled out one by one with one billet. This rolling technology and hole type system development process have no experience in China at present. It is difficult to ensure the fullness of the hole type in the rolling process, and the uniform distribution control of the three-piece split rolling metal is difficult. And the existing 950 production line of the rail beam can only turn the angle of 90 degrees, can not turn 45 degrees and other problems, innovative technology and control technology, successfully rolled 380 × 280 billet once 75 mm three-piece square steel. At present, Panzhihua Steel's 75mm triple piece square steel has been put into mass production.
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