METHOD OF ROLLING IN ROUGH GROUP OF SECTION MILL

摘要

Use: rolling of billets. SUMMARY OF THE INVENTION: when rolling the workpiece in alternate schichnyh calibers rectangle - square original preform obtained in the form of a circle, and then rolling it at least in three schichnyh calibers with concave bottom The shape of the bottom is to match the shape of the lateral wail surface defined by the workpiece, which conjugated wife with the appropriate caliber bottom. This is achieved by the possibility of producing a round billet profiles extended through judicious mix of roll forming the passages. 1 yl.