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Title:
CUTTING DIE AND CUTTING METHOD
Document Type and Number:
WIPO Patent Application WO/2014/136304
Kind Code:
A1
Abstract:
A cutting die (D), which has a cutting tip (50), is used in a punch press, and is for machining a workpiece (W) in cooperation with a cutting punch (P), is provided with a cooling mechanism (51) for cooling the cutting tip (50). The cooling mechanism (51) is configured from a circumferential groove (54) provided on the circumference of the die body (41) for supplying air (A) from the outside, and air holes (55) that communicate with the circumferential groove (54) and are for spraying air (A) toward the cutting tip (50).

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JPH08187526WORKING MACHINE FOR METAL PLATE
Inventors:
MORIYA HIDEYUKI (JP)
Application Number:
PCT/JP2013/077703
Publication Date:
September 12, 2014
Filing Date:
October 11, 2013
Export Citation:
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Assignee:
AMADA CO LTD (JP)
International Classes:
B21D28/14; B23Q11/10
Foreign References:
JP4471248B22010-06-02
JPH02114446U1990-09-13
JPS62297044A1987-12-24
JP2011079061A2011-04-21
JPH0557687A1993-03-09
Attorney, Agent or Firm:
ITAMI, Masaru et al. (JP)
Itami 勝 (JP)
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