• Successful start-up of the new high-end cold rolling mill (CRM) after an extremely short order execution time
  • The CRM in CVC® plus six-high design is capable of rolling soft and hard grades
  • Sustainable plant set-up with energy efficient rolling and filter technology 

At the end of February 2023, the new aluminum cold rolling mill (CRM) at North China Aluminum New Material Technology Co., Ltd. (NCA) in China successfully rolled its first coil. SMS group supplied and installed the mill in record time. After just 18 months from order placement, the CRM was successfully put into operation.

SMS group implemented the new single stand aluminum cold rolling mill at NCA’s Zhuozhou facility. The company is a flagship of China’s aluminum foil industry. NCA can roll a wide range on the CRM, from soft to hard aluminum grades in widths of between 1,000 and 1,800 millimeters. The strips can be rolled to a minimum final thickness of 0.1 millimeter. The plant has a production capacity of more than 80,000 tons per year.

SMS group supplied the CRM in the six-high CVC® plus (Continuous Variable Crown) design complete with entry and exit area equipment, including pay-off and tension reel as well as all the relevant equipment for coil and sleeve handling and the required fluid systems. The state-of-the-art X-Pact® Level 2 setup system from SMS group provides optimal roll gap settings and the technological control systems ensure the tightest thickness and flatness tolerances. The multizone cooling system adds the finishing touch to excellent flatness results.

One highlight is the super-efficient inductive edge heating system developed by SMS group to prevent tight strip edges, a phenomenon occurring during the aluminum cold rolling process. The system ensures highly accurate heating of the work rolls in the strip edge area. Compared to other hot edge preventing systems on the market, inductive heating operates with far less energy.

SMS has equipped NCA’s CRM with the latest-generation X-Pact® electric and automation system for aluminum rolling mills, comprising operating and sequence controls as well as controls for ancillary components, such as the rolling oil system and low-/high-pressure hydraulic units. The advanced visualization concept behind the X-Pact® Vision HMI, which boasts integrated faceplate technology, ensures harmonized operator guidance as well as safe and convenient operation of all the equipment.

The SMS scope of supply features a Multi-Plate® filter (MPF), characterized by its modular design. The purpose of the highly efficient MPF is to clean the rolling oil used during the rolling process. The MPF will effectively help NCA to deal with ever-increasing energy costs and meet stricter requirements in reducing emissions and saving resources, including fluids and auxiliary materials. The hot commissioning and start-up of the plant are currently underway with successful results.

Klaus Siegert, Expert Design & Product Management Cold Rolling Mills Aluminium, SMS group: “For NCA we are implementing a cold rolling mill with state-of-the-art equipment that allows cost-effective and at the same time sustainable plant operation. An example is the inductive strip edge heating system. But this is also a remarkable achievement for the entire team, because NCA is a new customer and personal contact with NCA representatives was almost impossible due to the limitations of the coronavirus pandemic. The short commissioning is, of course, the primary benefit of our colleagues on site, but also of all others who have worked on the project.”

Über die SMS group GmbH

SMS group is renowned worldwide for its future-oriented technologies and outstanding service for the metals industry. The company applies its 150 years of experience and its digital know-how to provide the industry continuously with innovative products and processes – even beyond its core business – and generates worldwide sales of around 2.6 billion euros. SMS is the right partner for challenging projects, and supports its customers throughout the lifecycle of their plants, enabling profitable and resource-efficient value creation chains. Paving the way for a carbon-neutral and sustainable metals industry is the company’s stated goal. As a global player with German roots, SMS takes responsibility for its 14,500 employees.

Firmenkontakt und Herausgeber der Meldung:

SMS group GmbH
Eduard-Schloemann-Straße 4
40237 Düsseldorf
Telefon: +49 (211) 881-0
Telefax: +49 (211) 881-4902
http://www.sms-group.com

Ansprechpartner:
Thilo Sagermann
Fachpresse
Telefon: +49 (211) 881-4449
Fax: +49 (211) 881-774449
E-Mail: thilo.sagermann@sms-group.com
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