JPH01128915U - - Google Patents
Info
- Publication number
- JPH01128915U JPH01128915U JP2533588U JP2533588U JPH01128915U JP H01128915 U JPH01128915 U JP H01128915U JP 2533588 U JP2533588 U JP 2533588U JP 2533588 U JP2533588 U JP 2533588U JP H01128915 U JPH01128915 U JP H01128915U
- Authority
- JP
- Japan
- Prior art keywords
- punching
- diameter
- cutting blade
- punch
- pad
- 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 9
Landscapes
- Punching Or Piercing (AREA)
Description
第１図ａ，ｂは本考案の一実施例を用いた二つ
の打抜状態を示す断面図、第２図は従来の一例を
用いた打抜状態を示す断面図である。
１，１１……打抜ポンチ、２……ダイ、３……
パツト、４……パツト用スプリング、５……薄板
、６……打抜屑、７……仕上屑、８……ポンチ穴
、５１……ダレ、５２……カエリ、Ａ……打抜径
、ａ，ｂ，ｃ……切刃。
FIGS. 1a and 1b are cross-sectional views showing two punching states using an embodiment of the present invention, and FIG. 2 is a cross-sectional view showing a punching state using a conventional example. 1, 11... punch, 2... die, 3...
Part, 4... Spring for part, 5... Thin plate, 6... Punching scrap, 7... Finishing scrap, 8... Punch hole, 51... Sag, 52... Burr, A... Punching diameter, a, b, c...cutting blade.
Claims (1)
の第１の切刃よりも先端に位置し前記打抜径より
わずかに小さい径を有する第２の切刃を有する打
抜ポンチと、前記打抜径と同径のポンチ穴を有す
るダイと、打抜くべき薄板を固定するためにパツ
ト用スプリングで押圧されるパツトとを含むこと
を特徴とする打抜プレス。 a punching punch having a first cutting blade having the same diameter as the punching diameter and a second cutting blade located at the tip of the first cutting blade and having a diameter slightly smaller than the punching diameter; A punching press comprising: a die having a punch hole having the same diameter as the punching diameter; and a pad pressed by a pad spring for fixing a thin plate to be punched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2533588U JPH01128915U (en) | 1988-02-26 | 1988-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2533588U JPH01128915U (en) | 1988-02-26 | 1988-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01128915U true JPH01128915U (en) | 1989-09-01 |
Family
ID=31245981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2533588U Pending JPH01128915U (en) | 1988-02-26 | 1988-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01128915U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006030971A1 (en) * | 2004-09-15 | 2006-03-23 | Nippon Steel Corporation | High-strength part and process for producing the same |
| JP2006116590A (en) * | 2004-10-25 | 2006-05-11 | Nippon Steel Corp | Method for working high strength steel sheet excellent in crack resistance |
| JP2010194575A (en) * | 2009-02-25 | 2010-09-09 | Tokyo Metropolitan Industrial Technology Research Institute | Die and method for shearing magnesium alloy member |
-
1988
- 1988-02-26 JP JP2533588U patent/JPH01128915U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006030971A1 (en) * | 2004-09-15 | 2006-03-23 | Nippon Steel Corporation | High-strength part and process for producing the same |
| JP2006116590A (en) * | 2004-10-25 | 2006-05-11 | Nippon Steel Corp | Method for working high strength steel sheet excellent in crack resistance |
| JP2010194575A (en) * | 2009-02-25 | 2010-09-09 | Tokyo Metropolitan Industrial Technology Research Institute | Die and method for shearing magnesium alloy member |
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