JPH0417337U - - Google Patents
Info
- Publication number
- JPH0417337U JPH0417337U JP5663390U JP5663390U JPH0417337U JP H0417337 U JPH0417337 U JP H0417337U JP 5663390 U JP5663390 U JP 5663390U JP 5663390 U JP5663390 U JP 5663390U JP H0417337 U JPH0417337 U JP H0417337U
- Authority
- JP
- Japan
- Prior art keywords
- small diameter
- hole
- diameter part
- die
- stepped cylindrical
- 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
- 238000005242 forging Methods 0.000 claims description 3
Landscapes
- Forging (AREA)
Description
第１図は本考案に係る段付円筒体鍛造型の一実
施例を示した縦断面図、第２図はその作動状態を
示した縦断面図、第３図は段付円筒体の一例を示
した斜視図、第４図は本考案の他の実施例を示す
縦断面図、第５図は従来の段付円筒体鍛造型の作
動状態を示した縦断面図である。
１……パンチ、２……ダイ、２ａ……小径部、
２ｂ……底面、２ｃ……抜孔、４……エジエクト
ピン、４ａ……先端面。
Fig. 1 is a longitudinal sectional view showing an embodiment of a stepped cylindrical body forging mold according to the present invention, Fig. 2 is a longitudinal sectional view showing its operating state, and Fig. 3 is an example of the stepped cylindrical body. FIG. 4 is a longitudinal sectional view showing another embodiment of the present invention, and FIG. 5 is a longitudinal sectional view showing the operating state of a conventional stepped cylindrical forging die. 1...Punch, 2...Die, 2a...Small diameter part,
2b...bottom surface, 2c...pull hole, 4...eject pin, 4a...tip surface.
Claims (1)
径した小径部を形成し、外小径部の底面を平坦面
又は湾曲面としてその中心にさらに小径の抜孔を
形成し該抜孔にエジエクトピンの先端面を前記底
面と面一なるように配設してなることを特徴とし
た段付円筒体鍛造型。 A small diameter part is formed on the inner periphery of the die facing the punch, and the inside diameter is reduced in steps.The bottom surface of the outer small diameter part is made a flat or curved surface, and a smaller diameter hole is formed in the center of the part, and an eject pin is inserted into the hole. A stepped cylindrical body forging die, characterized in that the tip surface is arranged flush with the bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5663390U JPH0417337U (en) | 1990-05-30 | 1990-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5663390U JPH0417337U (en) | 1990-05-30 | 1990-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0417337U true JPH0417337U (en) | 1992-02-13 |
Family
ID=31580633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5663390U Pending JPH0417337U (en) | 1990-05-30 | 1990-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0417337U (en) |
-
1990
- 1990-05-30 JP JP5663390U patent/JPH0417337U/ja active Pending