JPH0122052B2 - - Google Patents
Info
- Publication number
- JPH0122052B2 JPH0122052B2 JP8734483A JP8734483A JPH0122052B2 JP H0122052 B2 JPH0122052 B2 JP H0122052B2 JP 8734483 A JP8734483 A JP 8734483A JP 8734483 A JP8734483 A JP 8734483A JP H0122052 B2 JPH0122052 B2 JP H0122052B2
- Authority
- JP
- Japan
- Prior art keywords
- punch
- scrap
- die
- hole
- punching
- 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.)
- Expired
Links
- 238000004080 punching Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 17
- 238000005452 bending Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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
- B21D28/32—Perforating, i.e. punching holes in other articles of special shape
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8734483A JPS59212132A (ja) | 1983-05-18 | 1983-05-18 | 穴抜加工方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8734483A JPS59212132A (ja) | 1983-05-18 | 1983-05-18 | 穴抜加工方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59212132A JPS59212132A (ja) | 1984-12-01 |
JPH0122052B2 true JPH0122052B2 (en]) | 1989-04-25 |
Family
ID=13912248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8734483A Granted JPS59212132A (ja) | 1983-05-18 | 1983-05-18 | 穴抜加工方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59212132A (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6082165A (en) * | 1999-02-04 | 2000-07-04 | Ortiz; Narciso | Collar hole die |
JP2019136707A (ja) * | 2018-02-06 | 2019-08-22 | 株式会社キーレックス | ピアスパンチ |
-
1983
- 1983-05-18 JP JP8734483A patent/JPS59212132A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59212132A (ja) | 1984-12-01 |
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