Patent · US Expired

Method of and rolling mill train for producing bar-shaped rolled products

US6202459A · kind A · utility

4Cited by

3References

22Claims

0Family size

Assignee

SMS Schloemann-Siemag Aktiengesellschaft · DE

Inventors

Otmar Palzer · Jüchen, DE
Erich Grossmann · Tönisvorst, DE
Hubert Muller · Grevenbroich, DE

Key dates

Filing date	Jan 7, 2000
Grant date	Mar 20, 2001
Priority date	—
Expiry date	Jan 7, 2020

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB21B2203/22
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A method of rolling a bar-shaped stock to predetermined end height and end width measured transverse to the end height and including providing a rolling will train having a plurality of arranged one after another active rolling mill stands having adjustable roll rips and forming rolling mill stand pairs, providing a respective plurality of hydraulic cylinder units for adjusting the roll rips of respective rolling mil stands, rolling the bar-shaped stock through the rolling mill stands, and compensating at least a fraction, individually for each of the plurality of rolling mill stands, of rolling force-caused spring-offs of the respective rolling mill stands by controlling operations of respective hydraulic cylinder units.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.