JPH02108543U - - Google Patents
Info
- Publication number
- JPH02108543U JPH02108543U JP1362289U JP1362289U JPH02108543U JP H02108543 U JPH02108543 U JP H02108543U JP 1362289 U JP1362289 U JP 1362289U JP 1362289 U JP1362289 U JP 1362289U JP H02108543 U JPH02108543 U JP H02108543U
- Authority
- JP
- Japan
- Prior art keywords
- mold
- funnel
- preformed product
- engine valve
- enlarged diameter
- 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
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Forging (AREA)
Description
第１図は、本考案の一実施例を示す金型の要部
の縦断面図、第２図イ乃至ロは、エンジンバルブ
の製造工程を示し、イは、従来の金型の要部の縦
断面図、ロは、これにより製造された従来の予備
成形品の縦断面図、ハは、エンジンバルブの原形
品を示す縦断面図である。
１……金型、２……上型、２ａ……大径の内孔
、３……下型、３ａ……細径の内孔、４……湾曲
部、５……素材、６……下端内孔面。
Fig. 1 is a vertical sectional view of the main parts of a mold showing an embodiment of the present invention, Fig. 2 A to B show the manufacturing process of an engine valve, and Fig. 2 shows the main parts of a conventional mold. FIG. 2 is a vertical sectional view of a conventional preformed product produced by this method, and FIG. 1...Mold, 2...Upper mold, 2a...Large diameter inner hole, 3...Lower mold, 3a...Small diameter inner hole, 4...Curved part, 5...Material, 6... Lower end inner hole surface.
Claims (1)
軸部に至る部分が漏斗状断面をなすエンジンバル
ブ用の予備成形品を製造する際に使用されるプレ
ス用の金型であつて、 内部に、成形しようとする前記予備成形品の予
め定められた外形と補形をなす成形用凹孔を備え
、かつ前記予備成形品の漏斗状部と対応する漏斗
状の湾曲部の中間部において、上型と下型とに分
割されていることを特徴とするエンジンバルブ予
備成形用金型。[Scope of Claim for Utility Model Registration] Used in manufacturing a preformed product for an engine valve, which has an enlarged diameter portion at one end of the shaft portion, and the portion from the enlarged diameter portion to the shaft portion has a funnel-shaped cross section. A press mold, which is provided with a molding recess that complements the predetermined external shape of the preformed product to be molded, and corresponds to the funnel-shaped part of the preformed product. A mold for preforming an engine valve, characterized in that the mold is divided into an upper mold and a lower mold at the middle part of a funnel-shaped curved part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1362289U JPH0539799Y2 (en) | 1989-02-09 | 1989-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1362289U JPH0539799Y2 (en) | 1989-02-09 | 1989-02-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02108543U true JPH02108543U (en) | 1990-08-29 |
| JPH0539799Y2 JPH0539799Y2 (en) | 1993-10-08 |
Family
ID=31224085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1362289U Expired - Lifetime JPH0539799Y2 (en) | 1989-02-09 | 1989-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0539799Y2 (en) |
-
1989
- 1989-02-09 JP JP1362289U patent/JPH0539799Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0539799Y2 (en) | 1993-10-08 |