ROLLING ROLL, ROLLING MILL AND ROLLING METHOD

Title:

ROLLING ROLL, ROLLING MILL AND ROLLING METHOD

Document Type and Number:

WIPO Patent Application WO/2007/129650

Kind Code:

A1

Abstract:

[PROBLEMS] To provide a rolling roll, a rolling mill and a rolling method in which the board crown of a rolled material can be corrected effectively while edge drop can be reduced, and damage to the roll due to local line pressure rise between rolls is prevented. [MEANS FOR SOLVING PROBLEMS] A roll crown is formed by a continuous curve having a maximal value point and a minimal value point where the central region held between the maximal value point and the minimal value point represents one function, and the end region from the maximal value point to a closest roll end represents a function having an inclination of steeper gradient than that of the extension of the function in the central region (i.e., the radius decreases sharply toward the roll end).

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Inventors:

KIKKAWA TANEHIRO (JP)

Application Number:

PCT/JP2007/059337

Publication Date:

November 15, 2007

Filing Date:

May 01, 2007

Export Citation:

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Assignee:

JP STEEL PLANTECH CO (JP)
KIKKAWA TANEHIRO (JP)

International Classes:

B21B27/02; B21B13/14; B21B37/42

Foreign References:

JPH08276205A	1996-10-22
JPH08216005A	1996-08-27
JPS5791807A	1982-06-08
JP2001252705A	2001-09-18
JPS6210722B2	1987-03-07
JPS6330104A	1988-02-08
JPS5577903A	1980-06-12

Other References: