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Siemens receives final acceptance certificate for new bar mill from Chinese special steel manufacturer Dong Bei
Siemens designed the complete process equipment and supplied key components for Dong Bei's bar rolling mill in Dalian Liaoning. A crucial element was the installation of a reversible 2-high blooming stand. With a roll diameter of 1060 millimeters and a working centerline of up to 1700 millimeters, it is one of the largest systems of this type in the world. It has an inline quick-change system for simple and fast replacement of rollers and installed parts. This reduces tooling times and costs.
Also included in the scope of supply were an intermediate line and a finishing line, each with four Red Ring rolling stands, two abrasive saws, as well as transfer systems to the hot and cold cutting systems for material with diameters up to 360 millimeters. Compared to conventional plant layouts, the combination of reversible blooming stand with continuous intermediate and finishing lines enables improved control of the bar temperature during rolling, as well as tighter tolerances. In addition, Siemens designed the billet shears, the cooling beds and boxes, the equipment for bundling and handling the finished bars, as well as the air-oil lubricating system. Siemens also monitored the assembly and commissioning operations.
Dong Bei Special Steel Group Co. Ltd. is a leading Chinese manufacturer of special steels, headquartered in Dalian, China. The company has three production sites in Dalian, Fushun and Qiqihar. Their product spectrum encompasses stainless steel bar and wire, bar and wire of bearing steel and roller bearing steel; flat steel, alloy bright steel, and alloy steel wire.
Further information about solutions for steelworks, rolling mills and processing lines is available at:
The Siemens Industry Sector (Erlangen, Germany) is the world's leading supplier of innovative and environmentally friendly products and solutions for industrial customers. With end-to-end automation technology and industrial software, solid vertical-market expertise, and technology-based services, the Sector enhances its customers' productivity, efficiency, and flexibility. With a global workforce of more than 100,000 employees, the Industry Sector comprises the Divisions Industry Automation, Drive Technologies and Customer Services as well as the Business Unit Metals Technologies. For more information, visit www.siemens.com/industry
Über Siemens VAI Metals Technologies GmbH & Co
The Metals Technologies Business Unit (Linz, Austria), part of the Siemens Industry Sector, is one of the world's leading life cycle partners for the metallurgical industry. The Business Unit offers a comprehensive technology, modernization, product and service portfolio as well as integrated automation and environmental solutions covering the entire lifecycle of plants. For more information, visit www.siemens.com/metals
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