JPS577345A - Forging device for forming tooth profile on outside circumference of ringlike blank material - Google Patents
Forging device for forming tooth profile on outside circumference of ringlike blank materialInfo
- Publication number
- JPS577345A JPS577345A JP8120680A JP8120680A JPS577345A JP S577345 A JPS577345 A JP S577345A JP 8120680 A JP8120680 A JP 8120680A JP 8120680 A JP8120680 A JP 8120680A JP S577345 A JPS577345 A JP S577345A
- Authority
- JP
- Japan
- Prior art keywords
- tooth profile
- die
- outside
- ringlike
- dies
- 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
PURPOSE: To form a titled tooth profile of high accuracy and strength with small forming force by inserting a ringlike blank material between a lower die formed internally with the tooth profile and stamp forging dies which are split radially, and expanding the stamp forming dies in an outside diametral direction.
CONSTITUTION: A ringlike blank material 200 is inserted into the space in the tooth profile forming part of the inside circumference of a tooth profile die 130, and is disposed on the outside circumferential side of the flange part outside circumferential surface 144 of stamp forging dies 140. Next, a pressure die 110 is lowered so that its leading end face 111 is put in close contact with the top surface of the die 130. Then, the material 200 is put in an approximately tightly closed state except that it has a slight opposing clearance between the same and the tooth profile 131 of the die 130. Following this, a heading punch 100 is inserted into the tapered hole 141 of the die 140 through a through-hole 112. Thereby, the individual stamp forging pieces are pushed in the outside diametral direction. The material 200 is expanded from the inside circumferential side by the outside circumferetial surfaces 144 of the dies 140, and its outside circumferential side is filled in the tooth profile 131.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8120680A JPS577345A (en) | 1980-06-16 | 1980-06-16 | Forging device for forming tooth profile on outside circumference of ringlike blank material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8120680A JPS577345A (en) | 1980-06-16 | 1980-06-16 | Forging device for forming tooth profile on outside circumference of ringlike blank material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS577345A true JPS577345A (en) | 1982-01-14 |
| JPS6153139B2 JPS6153139B2 (en) | 1986-11-17 |
Family
ID=13740004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8120680A Granted JPS577345A (en) | 1980-06-16 | 1980-06-16 | Forging device for forming tooth profile on outside circumference of ringlike blank material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS577345A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6117336A (en) * | 1984-06-05 | 1986-01-25 | イスラエル国 | Method of molding metallic ring and device used for said method |
| JP2017189795A (en) * | 2016-04-13 | 2017-10-19 | 有限会社山内エンジニアリング | Method for processing work-piece, method for manufacturing motor housing, punch set, and work-piece processing device |
-
1980
- 1980-06-16 JP JP8120680A patent/JPS577345A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6117336A (en) * | 1984-06-05 | 1986-01-25 | イスラエル国 | Method of molding metallic ring and device used for said method |
| JP2017189795A (en) * | 2016-04-13 | 2017-10-19 | 有限会社山内エンジニアリング | Method for processing work-piece, method for manufacturing motor housing, punch set, and work-piece processing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6153139B2 (en) | 1986-11-17 |
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