JPS5671545A - Forging method of tube plate and the like - Google Patents
Forging method of tube plate and the likeInfo
- Publication number
- JPS5671545A JPS5671545A JP14910679A JP14910679A JPS5671545A JP S5671545 A JPS5671545 A JP S5671545A JP 14910679 A JP14910679 A JP 14910679A JP 14910679 A JP14910679 A JP 14910679A JP S5671545 A JPS5671545 A JP S5671545A
- Authority
- JP
- Japan
- Prior art keywords
- blank
- projection
- peripheral part
- forming
- peripheral
- 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)
Abstract
PURPOSE: To enable and facilitate forging of a tube plate by making a blank into thick disk form and making a hollow and a projection with a press and then forming a peripheral part on the outside of the projection.
CONSTITUTION: A blank 1 formed to a thick disk from an ingot by compression forming is used as a starting blank. After peripheral forming, this is made into the first semimanufactured blank 1' having low cylindrical form. This is placed on a set peripheral mold 2 on a surface plate of a press, and a hollow 4 is formed by thrusting a punch 3 from above. At the same time, the peripheral part is pushed up to form a ring-shaped projection 5 and this is made the second semimanufactured blank 1". This is overturned and fitted to a lower die 7 which has a ring-shaped groove 6 on the upper face to which the projection 5 fits in. Then, it is pressed from above to reduce the thickness of the disk 8 and, at the same time, pushing it out in the radial direction to form the peripheral part 9 in the outer periphery of the projection 5. In this way, a completed forged material 1" is obtained.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14910679A JPS5671545A (en) | 1979-11-16 | 1979-11-16 | Forging method of tube plate and the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14910679A JPS5671545A (en) | 1979-11-16 | 1979-11-16 | Forging method of tube plate and the like |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5671545A true JPS5671545A (en) | 1981-06-15 |
Family
ID=15467822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14910679A Pending JPS5671545A (en) | 1979-11-16 | 1979-11-16 | Forging method of tube plate and the like |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5671545A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5943855A (en) * | 1998-06-10 | 1999-08-31 | Tsubakimoto Chain Co. | Lubricant retaining chain |
-
1979
- 1979-11-16 JP JP14910679A patent/JPS5671545A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5943855A (en) * | 1998-06-10 | 1999-08-31 | Tsubakimoto Chain Co. | Lubricant retaining chain |
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