JPS5659553A - Method and device for sizing - Google Patents
Method and device for sizingInfo
- Publication number
- JPS5659553A JPS5659553A JP13512279A JP13512279A JPS5659553A JP S5659553 A JPS5659553 A JP S5659553A JP 13512279 A JP13512279 A JP 13512279A JP 13512279 A JP13512279 A JP 13512279A JP S5659553 A JPS5659553 A JP S5659553A
- Authority
- JP
- Japan
- Prior art keywords
- punch
- blank material
- sizing
- die
- allowance
- 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
Landscapes
- Forging (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
PURPOSE: To perform sizing of less residual stress always at constant accuracy by forcing a punch into a die while it is held inserted to the part to be worked of the axial center part of a blank material, drawing the same from the outer side to give an allowance for sizing and performing sizing at the end part while pulling the punch.
CONSTITUTION: A punch 16 is inserted into a blank material 14 of a universal joint formed with a ball rolling groove 15. In this state, a pressing force P1 is applied to the blank material 14 by means of the punch 16 to reduce the material into a die 17, so that the outside circumference A of the blank material 14 is reduced. After this, the blank material 14 is pushed in by the punch 16 until it contacts the bottom face of the die 17. Next, the blank material 14 is retained by a retaining means 18, and the punch 16 is pulled backward by a pulling force P2, then the part A having been reduced at outside circumference is sized by the end part of the punch 16 and becomes like the part B. In this case, the sizing allowance (a) is given by the difference between the thickness tA of the part A and the thickness tB of the part B.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13512279A JPS5659553A (en) | 1979-10-22 | 1979-10-22 | Method and device for sizing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13512279A JPS5659553A (en) | 1979-10-22 | 1979-10-22 | Method and device for sizing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5659553A true JPS5659553A (en) | 1981-05-23 |
Family
ID=15144329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13512279A Pending JPS5659553A (en) | 1979-10-22 | 1979-10-22 | Method and device for sizing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5659553A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4694676A (en) * | 1982-07-28 | 1987-09-22 | General Motors Corporation | Method of manufacturing tri-pot universal joint housings |
| JPH01180744A (en) * | 1987-12-28 | 1989-07-18 | Honda Motor Co Ltd | Method and device for sizing |
| JP2010017729A (en) * | 2008-07-08 | 2010-01-28 | Ntn Corp | Die device for forging outside joint member and method of manufacturing outside joint member |
-
1979
- 1979-10-22 JP JP13512279A patent/JPS5659553A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4694676A (en) * | 1982-07-28 | 1987-09-22 | General Motors Corporation | Method of manufacturing tri-pot universal joint housings |
| JPH01180744A (en) * | 1987-12-28 | 1989-07-18 | Honda Motor Co Ltd | Method and device for sizing |
| JP2010017729A (en) * | 2008-07-08 | 2010-01-28 | Ntn Corp | Die device for forging outside joint member and method of manufacturing outside joint member |
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