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SMS Demag to Extend Qinhuangdao Shouqin Heavy Plate Mill
07/29/2008 - SMS Demag will extend Qinhuangdao Shouqin’s X-roll heavy-plate rolling mill with the addition of a four-high roughing stand plus a second shearing line, shears, and a cold-plate leveler.
Qinhuangdao Shouqin Metal Materials, China, has placed an order with SMS Demag to extend its X-roll® heavy-plate rolling mill.
SMS Demag’s scope of supply comprises a four-high roughing stand, shearing line with double-side trimmer, slitting and cross-cut shears, and a cold-plate leveler.
The 4.3-m heavy-plate mill, built by SMS Demag, originally went into operation in October 2006. Extension of the mill with the installation of the roughing stand will raise its production capacity from 1.2 to 1.8 million tonnes/year. The new roughing stand, which has a rolling force of 90 MN, is equipped with hydraulic roll-gap adjustment systems.
To process the increased plate output, Qinhuangdao Shouqin also ordered a second shearing line, consisting of a double-side trimmer, slitting shear and cross-cut shear. All shears operate according to the proven rolling-cut principle. The cross-cut shear is constructed in closed-type design and is equipped with a movable limit stop for the exact setting of plate length.
The cold-plate leveler can function with nine and five leveler rolls, which gives it an extended leveling range. Optimum setting of the roll gap is made possible by the hydraulic individual adjustment of all leveler rolls in conjunction with the individual drives. The leveling model is also part of the supply scope.
The new facilities are to become operational by summer 2010.
SMS group is, under the roof of the holding SMS GmbH, a group of companies internationally active in plant construction and mechanical engineering for the steel and nonferrous metals industry. It consists of the two Business Areas SMS Demag and SMS Meer, which jointly form SMS metallurgy. In 2007, some 8,000 employees worldwide generated a turnover of about EUR 3.0 billion.
