JPS56117835A - Pressing method for sheet parts - Google Patents
Pressing method for sheet partsInfo
- Publication number
- JPS56117835A JPS56117835A JP1999980A JP1999980A JPS56117835A JP S56117835 A JPS56117835 A JP S56117835A JP 1999980 A JP1999980 A JP 1999980A JP 1999980 A JP1999980 A JP 1999980A JP S56117835 A JPS56117835 A JP S56117835A
- Authority
- JP
- Japan
- Prior art keywords
- parts
- gaps
- square
- elongating
- hoop
- 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.)
- Pending
Links
Landscapes
- Punching Or Piercing (AREA)
Abstract
PURPOSE: To eliminate the waste of hoop materials and improve material yield by separating between the parts and elongating the edge parts of the parts without blanking the gaps between the respective parts produced of a hoop material.
CONSTITUTION: After a hoop material 1 is subjected to square punching, and presing of side cut parts 2, it is subjected to punching of pilot holes 3 and elongating grooves 4, square holes 5 and separating parts 7 for forming interpart gaps are continuously pressed between the pilot holes 3. Then, the grooves 4 are elongated in the parts advancing direction in an elongating process, whereby the edge bent parts 6 for interpart gaps are elongated, and gaps 9 are formed between the members 8 that become the parts by way of square hole 4', square slit 5' and edge bent part 6'. The width A of these gaps 9 is, for example, about 1mm. According to this method, the blanking of the unnecessary parts of the parts is minimized. Since the bent parts 6' are used for post processes (processing such as plating), the hoop material 1 is effectively utilized.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1999980A JPS56117835A (en) | 1980-02-20 | 1980-02-20 | Pressing method for sheet parts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1999980A JPS56117835A (en) | 1980-02-20 | 1980-02-20 | Pressing method for sheet parts |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56117835A true JPS56117835A (en) | 1981-09-16 |
Family
ID=12014849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1999980A Pending JPS56117835A (en) | 1980-02-20 | 1980-02-20 | Pressing method for sheet parts |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56117835A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58128235A (en) * | 1982-01-19 | 1983-07-30 | オツト−・ビ−ラ−・フエルヴアルツングスゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Method of forming packet of punched sheet metal and strip material punching and sheet metal packet forming machine |
-
1980
- 1980-02-20 JP JP1999980A patent/JPS56117835A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58128235A (en) * | 1982-01-19 | 1983-07-30 | オツト−・ビ−ラ−・フエルヴアルツングスゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Method of forming packet of punched sheet metal and strip material punching and sheet metal packet forming machine |
JPH0471614B2 (en) * | 1982-01-19 | 1992-11-16 | Otsutoo Biiraa Fueruerutsungusu Gmbh |
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