JPS62151028U - - Google Patents
Info
- Publication number
- JPS62151028U JPS62151028U JP4006186U JP4006186U JPS62151028U JP S62151028 U JPS62151028 U JP S62151028U JP 4006186 U JP4006186 U JP 4006186U JP 4006186 U JP4006186 U JP 4006186U JP S62151028 U JPS62151028 U JP S62151028U
- Authority
- JP
- Japan
- Prior art keywords
- die
- section
- punching
- punch
- cross
- 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
- 238000004080 punching Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Punching Or Piercing (AREA)
Description
第１図〜第３図は本考案の１実施例に係り、第
１図は打抜き途上の状態を示す要部断面図、第２
図は打抜き後の製品の端部を示す要部断面図、第
３図は打抜き途上の被加工材の塑性流れを模式的
に示す説明図、第４図および第５図はそれぞれ本
考案の他の実施例に係るダイの突起を示す説明図
、第６図および第７図は従来例に係り、第６図は
打抜き途上の状態を示す要部断面図、第７図は打
抜き後の製品の端部を示す要部断面図である。
１……ポンチ（パンチ）、１ａ……刃先、２…
…ダイ、２ａ……突起、３……ストリツパ、４…
…被加工材、４Ａ……製品側、４Ｂ……スクラツ
プ側、５……ダレ、６……剪断面、７……バリ、
８……喰込み領域。
1 to 3 relate to one embodiment of the present invention, in which FIG. 1 is a sectional view of main parts showing a state in the middle of punching, and FIG.
The figure is a sectional view of the main part showing the end of the product after punching, Figure 3 is an explanatory diagram schematically showing the plastic flow of the workpiece in the middle of punching, and Figures 4 and 5 are different from those of the present invention, respectively. FIGS. 6 and 7 are explanatory diagrams showing the protrusions of the die according to the embodiment, FIGS. 6 and 7 are related to the conventional example, FIG. 6 is a sectional view of the main part showing the state in the middle of punching, and FIG. FIG. 3 is a sectional view of a main part showing an end portion. 1...Punch (punch), 1a...Blade tip, 2...
...Die, 2a...Protrusion, 3...Stripper, 4...
...Workpiece material, 4A...Product side, 4B...Scrap side, 5...Sag, 6...Sheared surface, 7...Burr,
8... Biting area.
Claims (1)
てダイ側に押付けた状態で、ポンチとダイとによ
る打抜き加工を行い、ポンチにより打抜き落下さ
れる側をスクラツプとする構成において、ダイ側
の刃先を、ダイの垂直面と面一に連らなつた面を
もつ断面略直角３角形、或いは断面略扇形、或い
は断面略矩形の突起として形成したことを特徴と
する打抜き金型。 In a configuration in which a workpiece made of a thin metal plate is pressed against the die side by a stripper, punching is performed using a punch and die, and the side that is punched and dropped by the punch is the scrap, and the cutting edge on the die side is A punching die characterized in that it is formed as a protrusion having a substantially right-angled triangular cross-section, a substantially fan-shaped cross-section, or a substantially rectangular cross-section with a surface that is flush with the vertical surface of the die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4006186U JPS62151028U (en) | 1986-03-19 | 1986-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4006186U JPS62151028U (en) | 1986-03-19 | 1986-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62151028U true JPS62151028U (en) | 1987-09-25 |
Family
ID=30853810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4006186U Pending JPS62151028U (en) | 1986-03-19 | 1986-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62151028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4729070B2 (en) * | 2008-04-28 | 2011-07-20 | 古河電気工業株式会社 | Aluminum alloy substrate for magnetic disk and die for punching press of aluminum alloy substrate for magnetic disk |
| JP2021126665A (en) * | 2020-02-12 | 2021-09-02 | 日本製鉄株式会社 | Punch forming device and punch forming method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4814397U (en) * | 1971-07-02 | 1973-02-17 | ||
| JPS512088A (en) * | 1974-06-21 | 1976-01-09 | Hitachi Ltd | SEIMITSUCHINUKI KANAGATA |
-
1986
- 1986-03-19 JP JP4006186U patent/JPS62151028U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4814397U (en) * | 1971-07-02 | 1973-02-17 | ||
| JPS512088A (en) * | 1974-06-21 | 1976-01-09 | Hitachi Ltd | SEIMITSUCHINUKI KANAGATA |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4729070B2 (en) * | 2008-04-28 | 2011-07-20 | 古河電気工業株式会社 | Aluminum alloy substrate for magnetic disk and die for punching press of aluminum alloy substrate for magnetic disk |
| JP2021126665A (en) * | 2020-02-12 | 2021-09-02 | 日本製鉄株式会社 | Punch forming device and punch forming method |
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