Title:
金型、ダイ金型、金型セット、パンチ金型、及び板金加工方法
Document Type and Number:
Japanese Patent JP7390222
Kind Code:
B2
Abstract:
To increase productivity of a product by eliminating dismantling work on a product and removal working on a joint trace on the product.SOLUTION: A die set 10 comprises a push-up part 34 for pushing up a product part Wm relative to a remainder material part Wr after applying cutting work to a portion excluding some part of a contour T of the product part Wm of a sheet metal W. The die set 10 comprises a bridge forming part 24f for forming, on the side of a cutting face Wrs of the remainder material part Wr, a bridge B capable of contacting the cutting face Wms of the pushed-up product part Wm by shearing some part of the remainder material part Wr. The die set 10 comprises a protrusion forming part 24c for forming, on the cutting face Wrs of the remainder material part Wr, a locking protrusion Wp which can be locked on the back face of the pushed-up product part Wm.SELECTED DRAWING: Figure 1
Inventors:
Chisato Udagawa
Takuya Okamoto
Takuya Okamoto
Application Number:
JP2020045051A
Publication Date:
December 01, 2023
Filing Date:
March 16, 2020
Export Citation:
Assignee:
Amada Co., Ltd.
International Classes:
B21D24/00; B21D22/02; B21D28/02; B21D28/14; B21D45/00
Domestic Patent References:
| JP2018167313A | ||||
| JP202037116A | ||||
| JP2018167311A |
Foreign References:
| US5377519 |
Attorney, Agent or Firm:
Hidekazu Miyoshi
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu