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Patent Searching and Data


Title:
PUNCHING MACHINE
Document Type and Number:
Japanese Patent JP3248977
Kind Code:
B2
Abstract:

PURPOSE: To reduce the number of tools and to shorten the working time by respectively rotating and indexing a die inside a multi-tool.
CONSTITUTION: A tool holder housing 51 engaging a punch holder 57 with a die holder providing plural upper part dies 21, and engaging lower part dies 23 on a punch head 17 with a die head 19 is provided freely rotatably, and an inside holder 61 supporting plural upper part dies 21 and the lower part dies 23 on this punch holder 57 and the die holder is provided freely rotatably. Then, at least one of driving sources (index motor 29, tool index motor 145) is provided which drives a die indexing driving system to rotate the tool holder housing 51 engaging the punch holder 57 and the die holder and an indexing driving system to select one among plural inside holders 61 and to rotate.


Inventors:
Kazuhiko Kawai
Application Number:
JP9914493A
Publication Date:
January 21, 2002
Filing Date:
April 26, 1993
Export Citation:
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Assignee:
Amada Co., Ltd.
International Classes:
B21D28/00; B21D28/24; B21D28/36; B21D37/14; B23Q3/155; (IPC1-7): B21D28/00; B21D28/24; B21D28/36; B21D37/14; B23Q3/155
Domestic Patent References:
JP523762A
JP366425A
JP663661A
JP4125030U
Attorney, Agent or Firm:
Hidekazu Miyoshi (8 outside)