JPH0184844U - - Google Patents
Info
- Publication number
- JPH0184844U JPH0184844U JP1987177518U JP17751887U JPH0184844U JP H0184844 U JPH0184844 U JP H0184844U JP 1987177518 U JP1987177518 U JP 1987177518U JP 17751887 U JP17751887 U JP 17751887U JP H0184844 U JPH0184844 U JP H0184844U
- Authority
- JP
- Japan
- Prior art keywords
- workpiece
- punch
- fitted
- forming
- inner punch
- 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
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Forging (AREA)
Description
第1図は本考案の実施例の縦断面図でaは加工
前、bは加工後を示し、第2図、第3図及び第4
図はそれぞれ参考例の縦断面図である。
W…ワーク、4…インタナル歯形、11…内パ
ンチ、12…歯形、15…外パンチ、17…ダイ
ス、20…補強リング。
FIG. 1 is a longitudinal cross-sectional view of an embodiment of the present invention, where a shows the state before processing, b shows the state after processing, and FIGS.
Each figure is a longitudinal sectional view of a reference example. W...Workpiece, 4...Internal tooth profile, 11...Inner punch, 12...Tooth profile, 15...Outer punch, 17...Dice, 20...Reinforcement ring.
Claims (1)
をもつ内パンチと、ワーク底面形状をもつ外パン
チとによつてカツプ状のワークを挾持し、該ワー
クをダイスに圧入してワーク内面にインタナル歯
形を形成する金型において、内パンチの頂部に設
けた開口にヤング率の大きい補強リングを嵌着し
たことを特徴とする、インタナル歯形成形用内パ
ンチ。 A cup-shaped workpiece is held between an inner punch with a longitudinal tooth profile on the outer periphery and a concave part in the center of the top, and an outer punch with a bottom shape of the workpiece, and the workpiece is press-fitted into a die and internally inserted into the inner surface of the workpiece. An inner punch for forming an internal tooth, characterized in that a reinforcing ring with a large Young's modulus is fitted into an opening provided at the top of the inner punch in a mold for forming a tooth profile.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987177518U JPH0184844U (en) | 1987-11-24 | 1987-11-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987177518U JPH0184844U (en) | 1987-11-24 | 1987-11-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0184844U true JPH0184844U (en) | 1989-06-06 |
Family
ID=31469179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987177518U Pending JPH0184844U (en) | 1987-11-24 | 1987-11-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0184844U (en) |
-
1987
- 1987-11-24 JP JP1987177518U patent/JPH0184844U/ja active Pending