JPS6074820U - extrusion molding equipment - Google Patents
extrusion molding equipmentInfo
- Publication number
- JPS6074820U JPS6074820U JP16556883U JP16556883U JPS6074820U JP S6074820 U JPS6074820 U JP S6074820U JP 16556883 U JP16556883 U JP 16556883U JP 16556883 U JP16556883 U JP 16556883U JP S6074820 U JPS6074820 U JP S6074820U
- Authority
- JP
- Japan
- Prior art keywords
- forming
- forged product
- shaft portion
- extrusion molding
- molding equipment
- 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.)
- Granted
Links
Landscapes
- Forging (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本案鍛造用金型が開いた状態の一実施例を示す
縦断面図、第２図は第１図の鍛造用金型が閉じた時の状
態を示す縦断面図、第３図は従来例の鍛造用金型の閉じ
た状態を示す縦断面図、第４図は鍛造品の縦断面図、第
５図は鍛造品素材の縦断面図である。
１・・・・・・鍛造品、２・・・・・・貫通孔、３・・
・・・・グイ、４・・・・・・アッパーパンチ、４ａ・
・・・・・キャビティ形成面、５・・・・・・キャビテ
ィ、６・・・・・・マンドレル、７・・・・・・段部。Fig. 1 is a longitudinal sectional view showing an embodiment of the proposed forging die in an open state, Fig. 2 is a longitudinal sectional view showing the forging die of Fig. 1 in a closed state, and Fig. 3 4 is a longitudinal sectional view of a conventional forging die in a closed state, FIG. 4 is a longitudinal sectional view of a forged product, and FIG. 5 is a longitudinal sectional view of a forged product material. 1...Forged product, 2...Through hole, 3...
...Gui, 4...Upper punch, 4a.
... Cavity forming surface, 5 ... Cavity, 6 ... Mandrel, 7 ... Step portion.
Claims (1)
おいて、接離可能に上下に対向して配置され、合わせ部
に鍛造用キャビティが形成された上下型と、一方の型の
キャビティ形成面より突出して設けられ、成形後の鍛造
品を貫通して、先端が突出する長さで、かつ鍛造品の貫
通孔に対応する形状の軸部を有するマンドレルから成り
、該マンドレルは上記軸部先端に軸部形状と同形状で、
軸部の断面積より大きい段部が形成されていることを特
徴とする、鍛造用金型構造。In a forging die for forming a forged product having a vertical through hole, the upper and lower dies are arranged vertically facing each other so as to be able to come into contact with each other, and a forging cavity is formed in the mating part, and the cavity is formed in one of the dies. It consists of a mandrel that is provided to protrude from the surface, penetrates the forged product after forming, has a shaft portion of a length such that its tip protrudes, and has a shape corresponding to the through hole of the forged product, and the mandrel has a shaft portion that extends through the forged product after forming. The tip has the same shape as the shaft,
A forging die structure characterized by forming a stepped portion larger in cross-sectional area than the shaft portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16556883U JPS6074820U (en) | 1983-10-25 | 1983-10-25 | extrusion molding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16556883U JPS6074820U (en) | 1983-10-25 | 1983-10-25 | extrusion molding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6074820U true JPS6074820U (en) | 1985-05-25 |
| JPS6320432Y2 JPS6320432Y2 (en) | 1988-06-07 |
Family
ID=30362699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16556883U Granted JPS6074820U (en) | 1983-10-25 | 1983-10-25 | extrusion molding equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6074820U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950914A (en) * | 1982-09-20 | 1984-03-24 | Nissan Motor Co Ltd | Mandrel for extrusion forming of gear |
| JPS622886A (en) * | 1985-06-05 | 1987-01-08 | Fujitsu Ltd | Voice coil motor drive control system |
-
1983
- 1983-10-25 JP JP16556883U patent/JPS6074820U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950914A (en) * | 1982-09-20 | 1984-03-24 | Nissan Motor Co Ltd | Mandrel for extrusion forming of gear |
| JPS622886A (en) * | 1985-06-05 | 1987-01-08 | Fujitsu Ltd | Voice coil motor drive control system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6320432Y2 (en) | 1988-06-07 |
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