ROLLING MILL STAND AND METHOD OF ITS INSTALLATION, METHOD OF ROLLED STOCK WITH THE HELP OF STAND

摘要

FIELD: metallurgy.SUBSTANCE: invention relates to mill for production of seamless products of tubular shape. Rolling mill stand comprises four support poles, two conical working rolls with inclined rolling axes located at an angle to each other and attached to upper and lower platforms. Four vertical screws with hydraulic drive are located under lower basket to create preload on said frame and four vertical screws with hydraulic drive are arranged above to create preload on the upper frame during rolling. Stand additionally contains four upper hydraulic carriage and four lower hydraulic carriage to create pushing force and cradle top and bottom position control cradle and position of working rolls.EFFECT: usage of invention ensures higher strength of structure.12 cl, 17 dwg