Title:
切断ダイおよびその製造方法
Document Type and Number:
Japanese Patent JP3934679
Kind Code:
B2
Abstract:
A cutting die (13, 14) is made by milling the blade (14) shapes in a die (13) surface and then scanning the blades (14) with a laser (10) beam or other high energy beam or induction field to heat and then harden the blades (14). To minimize back-annealing of previously-hardened, intersecting blades, the traverse speed and laser intensity is controlled. Alternately, liquid/gas cooling (30, 31) is directed onto the intersecting blades.
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Inventors:
Tuan, You
Chuan, Zhi Chang
Chuan, Zhi Chang
Application Number:
JP52930997A
Publication Date:
June 20, 2007
Filing Date:
June 11, 1996
Export Citation:
Assignee:
Vernal International, Inc.
International Classes:
B23D25/12; B23D35/00; B23P15/40; B23K26/00; C21D1/09; C21D9/00; C21D9/18; B23K101/20; C21D6/04
Domestic Patent References:
| JP50158986A | ||||
| JP63278726A | ||||
| JP57021235A | ||||
| JP51119585A | ||||
| JP62116717A | ||||
| JP6136431A | ||||
| JP4284259A | ||||
| JP4263767A | ||||
| JP5001323A |
Foreign References:
| US5417132 |
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Yutaka Yoshida
Yukio Iwamoto
Hajime Asamura
Yutaka Yoshida
Yukio Iwamoto