德国机器制造公司 (DEMAG)成功地研制出了当今世界上最大的一台 5 5 0 0 mm四辊厚板轧机用支承辊。该轧辊辊身直径 2 5 0 0 mm、辊身长 5 5 0 0 mm,辊体重 2 86 t,是目前世界上最大的轧辊产品。该轧辊采用铸钢 ,可承受的轧制载荷为 10 0 0 0 0 k N。轧辊的侧向调节以及换辊操作 DEMAG has successfully developed the largest backup roll for a 5 500 mm four-plate heavy plate mill in the world today. The roll body diameter of 2500 mm, roll body length of 5500 mm, roll body weight of 2 86 t, is the world’s largest roll products. The roll cast steel, the rolling load can withstand 10 000 kN. Lateral roll adjustment and roll change operations