Title:
レーザ曲げ加工方法及びレーザ曲げ加工装置
Document Type and Number:
Japanese Patent JP4176968
Kind Code:
B2
Abstract:
A work piece can be bent in opposite directions by irradiating a laser beam onto one side of the work piece. A tension anneal is applied to a metal plate. The metal plate is bent by irradiating a defocused laser beam onto a front surface of the tension-annealed metal plate so that the metal plate is bent in a state in which the front surface of the metal plate is convex at a position where the laser beam is scanned.
Inventors:
Matsushita Naohisa
Application Number:
JP2001037647A
Publication Date:
November 05, 2008
Filing Date:
February 14, 2001
Export Citation:
Assignee:
富士通株式会社
International Classes:
B23K26/082; B21D11/20; B23K26/00; B23K26/14
Domestic Patent References:
| JP5131281A | ||||
| JP1313113A | ||||
| JP63303237A | ||||
| JP2001185016A |
Attorney, Agent or Firm:
Tadahiko Ito