К вопросу эффективности ведения процесса прошивки в станах винтовой прокатки

Abstract

The new mini pipe rolling mill was put in operation on the manufacture of South Korean company “Sechang steel”, producing pipes with outside diameter from 40 to 80mm. The principle of technological process is the method of piercing the billet, further elongation of shell to pipe and calibration that are performed in screw rolling mills.