The so-called cold rolling production of forged steel is not simply "cold rolling". Annealing, pickling, grinding, etc. are required before cold rolling, and flattening, straightening, shearing, and stacking are required after cold rolling, so it is actually the whole process from the hot-rolled coi

The difference between the production process of forged steel cold-rolled strip and the general cold-rolled strip production process is that the forged steel cold-rolled strip must be annealed before cold rolling and the surface of the strip must be kept clean at all times during the production proc

Back-up rolls are generally used in tension levelers, levelers, rolling mills and other equipment. Because the work roll is relatively long and slender, it cannot bear the radial load generated when straightening the plate shape and rolling the plate. At this time, it is necessary to arrange a suppo

The installer must be familiar with the structure, coordination, installation sequence and precautions of the oil film bearing assembly before cleaning and assembling. Oil film bearings are cleaned with No. 120 gasoline, so strict fire safety measures must be taken during operation, emergency fire e