JPH0347617U - - Google Patents
Info
- Publication number
- JPH0347617U JPH0347617U JP10935489U JP10935489U JPH0347617U JP H0347617 U JPH0347617 U JP H0347617U JP 10935489 U JP10935489 U JP 10935489U JP 10935489 U JP10935489 U JP 10935489U JP H0347617 U JPH0347617 U JP H0347617U
- Authority
- JP
- Japan
- Prior art keywords
- punching
- punch
- die
- convex portion
- cylindrical member
- 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 8
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Punching Or Piercing (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
第４図のＡ部分の拡大図、第２図はダイスの正面
図、第３図は同平面図、第４図は第３図の−
線における断面図、第５図は第３図の打抜き開口
付近の拡大図、第６図はパンチの側面図、第７図
は打抜き装置の全体構成を示す縦断側面図、第８
図は孔の打抜き工程を説明するための工程図、第
９図は自動変速機の断面図、第１０図はクラツチ
ドラムの断面図、第１１図は第１０図のＢ矢から
見た矢視図である。
４……クラツチドラム（円筒状部材）、８……
孔、１２……ダイス、１２ａ……打抜き開口、１
４……パンチ、３１……リング状凸部。
The drawings show an embodiment of the present invention, and FIG. 1 is an enlarged view of part A in FIG. 4, FIG. 2 is a front view of the die, FIG. 3 is a plan view of the same, and FIG. of-
5 is an enlarged view of the vicinity of the punching opening in FIG. 3, FIG. 6 is a side view of the punch, FIG. 7 is a longitudinal side view showing the overall configuration of the punching device, and FIG.
The figure is a process diagram for explaining the hole punching process, Figure 9 is a sectional view of the automatic transmission, Figure 10 is a sectional view of the clutch drum, and Figure 11 is a view taken from arrow B in Figure 10. It is a diagram. 4...Clutch drum (cylindrical member), 8...
Hole, 12...Dice, 12a...Punching opening, 1
4...Punch, 31...Ring-shaped convex portion.
Claims (1)
とを有する打抜き装置において、上記ダイスの打
抜き開口の周縁部にはリング状凸部が形成され、
該凸部の高さは、上記パンチによる円筒状部材の
打抜き返りの高さと略同等若しくはそれ以上にな
るように設定されていることを特徴とする打抜き
装置。 In a punching device having a die and a punch for punching a hole in a cylindrical member, a ring-shaped convex portion is formed on the peripheral edge of the punching opening of the die,
A punching device characterized in that the height of the convex portion is set to be approximately equal to or greater than the height of the punched cylindrical member by the punch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10935489U JPH0347617U (en) | 1989-09-18 | 1989-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10935489U JPH0347617U (en) | 1989-09-18 | 1989-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0347617U true JPH0347617U (en) | 1991-05-02 |
Family
ID=31657953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10935489U Pending JPH0347617U (en) | 1989-09-18 | 1989-09-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0347617U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015193043A (en) * | 2014-03-17 | 2015-11-05 | 株式会社東亜鍛工所 | Manufacturing method of metal plate with hole, perforated metal plate, circumferentially perforated external gear, external gear and metal plate for cam, as well as manufacturing method of metal plate and metal plate |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472667A (en) * | 1977-11-22 | 1979-06-11 | Toshiba Corp | Electron gun for cathode ray tube |
-
1989
- 1989-09-18 JP JP10935489U patent/JPH0347617U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472667A (en) * | 1977-11-22 | 1979-06-11 | Toshiba Corp | Electron gun for cathode ray tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015193043A (en) * | 2014-03-17 | 2015-11-05 | 株式会社東亜鍛工所 | Manufacturing method of metal plate with hole, perforated metal plate, circumferentially perforated external gear, external gear and metal plate for cam, as well as manufacturing method of metal plate and metal plate |
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