LINE AND METHOD FOR MANUFACTURING STEEL MEMBER

Title:

LINE AND METHOD FOR MANUFACTURING STEEL MEMBER

Document Type and Number:

Japanese Patent JP3840115

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide a line and a method for manufacturing a steel member with a steel tube as a stock.
SOLUTION: In a steel tube manufacturing line wherein a steel tube is manufactured by cutting, forming and welding a steel sheet, and further the steel tube is processed, there are provided a cutting machine for cutting the steel sheet to a given size, a forming machine for forming the cut steel sheet into an open tube by sheet rolling, a laser beam welder for manufacturing a steel tube by welding the butting portions of the formed open tube, a lubricant coating machine for coating the welded steel tube with a lubricant for processing, and a processing machine for bending the lubricant-coated steel tube or performing other process such as pressing, or a hydroforming processing machine for transforming the steel tube by giving a liquid pressure to the inside of the steel tube.

Inventors:

Shinya Sakamoto
Yoshio Terada
Hiroo Ishibashi
Takashi Osawa

Application Number:

JP2002014378A

Publication Date:

November 01, 2006

Filing Date:

January 23, 2002

Export Citation:

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