EP0734799A3 - Die unit for punching operations - Google Patents
Die unit for punching operations Download PDFInfo
- Publication number
- EP0734799A3 EP0734799A3 EP96400662A EP96400662A EP0734799A3 EP 0734799 A3 EP0734799 A3 EP 0734799A3 EP 96400662 A EP96400662 A EP 96400662A EP 96400662 A EP96400662 A EP 96400662A EP 0734799 A3 EP0734799 A3 EP 0734799A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- die unit
- punching operations
- punching
- operations
- die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/16—Shoulder or burr prevention, e.g. fine-blanking
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6947095A JPH08267158A (en) | 1995-03-28 | 1995-03-28 | Die |
JP69470/95 | 1995-03-28 | ||
JP6947095 | 1995-03-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0734799A2 EP0734799A2 (en) | 1996-10-02 |
EP0734799A3 true EP0734799A3 (en) | 1997-04-16 |
EP0734799B1 EP0734799B1 (en) | 2001-06-13 |
Family
ID=13403598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19960400662 Expired - Lifetime EP0734799B1 (en) | 1995-03-28 | 1996-03-28 | Die unit for punching operations |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0734799B1 (en) |
JP (1) | JPH08267158A (en) |
DE (1) | DE69613261T2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002018793A (en) * | 2000-06-30 | 2002-01-22 | Elna Co Ltd | Punching method for printed wiring board and printed wiring board |
JP5732230B2 (en) * | 2010-11-01 | 2015-06-10 | ユニプレス株式会社 | Punching method and mold |
EP2610019A1 (en) | 2011-12-28 | 2013-07-03 | TRUMPF Werkzeugmaschinen GmbH + Co. KG | Tool die for a tool unit |
JP2014050889A (en) * | 2013-10-18 | 2014-03-20 | Unipres Corp | Clutch drum for automobile transmission |
JP2019063845A (en) * | 2017-10-04 | 2019-04-25 | トヨタ自動車株式会社 | Rotor core manufacturing method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB914793A (en) * | 1959-09-02 | 1963-01-02 | Kienzle Apparate Gmbh | Apparatus for cutting out blanks from sheet metal |
JPS61195719A (en) * | 1985-02-25 | 1986-08-30 | Matsushita Electric Works Ltd | Production of punched product |
JPS6272438A (en) * | 1985-09-25 | 1987-04-03 | Hitachi Ltd | Working device for punching plate material |
JPS63101029A (en) * | 1986-10-17 | 1988-05-06 | Takiron Co Ltd | Manufacture of punching plate |
JPH03275224A (en) * | 1990-03-23 | 1991-12-05 | Hitachi Cable Ltd | Method for blanking lead frame by progressive dies |
-
1995
- 1995-03-28 JP JP6947095A patent/JPH08267158A/en active Pending
-
1996
- 1996-03-28 DE DE1996613261 patent/DE69613261T2/en not_active Expired - Fee Related
- 1996-03-28 EP EP19960400662 patent/EP0734799B1/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB914793A (en) * | 1959-09-02 | 1963-01-02 | Kienzle Apparate Gmbh | Apparatus for cutting out blanks from sheet metal |
US3211034A (en) * | 1959-09-02 | 1965-10-12 | Kienzle Apparate Gmbh | Die arrangement |
JPS61195719A (en) * | 1985-02-25 | 1986-08-30 | Matsushita Electric Works Ltd | Production of punched product |
JPS6272438A (en) * | 1985-09-25 | 1987-04-03 | Hitachi Ltd | Working device for punching plate material |
JPS63101029A (en) * | 1986-10-17 | 1988-05-06 | Takiron Co Ltd | Manufacture of punching plate |
JPH03275224A (en) * | 1990-03-23 | 1991-12-05 | Hitachi Cable Ltd | Method for blanking lead frame by progressive dies |
Non-Patent Citations (4)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 011, no. 021 (M - 555) 21 January 1987 (1987-01-21) * |
PATENT ABSTRACTS OF JAPAN vol. 011, no. 269 (M - 621) 2 September 1987 (1987-09-02) * |
PATENT ABSTRACTS OF JAPAN vol. 012, no. 340 (M - 740) 13 September 1988 (1988-09-13) * |
PATENT ABSTRACTS OF JAPAN vol. 016, no. 094 (M - 1219) 9 March 1992 (1992-03-09) * |
Also Published As
Publication number | Publication date |
---|---|
EP0734799A2 (en) | 1996-10-02 |
EP0734799B1 (en) | 2001-06-13 |
DE69613261T2 (en) | 2002-06-13 |
JPH08267158A (en) | 1996-10-15 |
DE69613261D1 (en) | 2001-07-19 |
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