Patent Number: 6,253,592

Title: Rolling apparatus for bars and method for rolling bars

Abstract: A high-speed rolling apparatus for bars includes a finishing mill and an associated first mill motor and a sizing mill and an associated second mill motor downstream of the finishing mill. The first mill motor power (Wf) and second mill motor power (Ws) satisfy the expression: Wf/Ws.gtoreq.5. The apparatus provides simple and highly accurate control of the tension that is applied to the bars between the finishing mill and the sizing mill.

Inventors: Sakurai; Tomoyasu (Kurashiki, JP), Ogawa; Takao (Kurashiki, JP)

Assignee: Kawasaki Steel Corporation

International Classification: B21B 37/48 (20060101); B21B 37/52 (20060101); B21B 1/16 (20060101); B21B 1/18 (20060101); B21B 039/08 ()

Expiration Date: 07/03/2018