JPS5570423A - Press forming method - Google Patents
Press forming methodInfo
- Publication number
- JPS5570423A JPS5570423A JP14466178A JP14466178A JPS5570423A JP S5570423 A JPS5570423 A JP S5570423A JP 14466178 A JP14466178 A JP 14466178A JP 14466178 A JP14466178 A JP 14466178A JP S5570423 A JPS5570423 A JP S5570423A
- Authority
- JP
- Japan
- Prior art keywords
- forming plane
- forming
- lower die
- upper die
- press
- 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
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
PURPOSE: To carry out the press work and the planishing work in a single pass with good workability, by forming the forming plane of a couple of press dies into mirror surface, and by forming the blank sheet preheated to specified temperatures with this press dies.
CONSTITUTION: The press machine consists of the upper die (a) placed on the lower die (b) so as to be freely vertically movable, and the insulators 5, 6, etc. The concave forming plane (a') of the upper die (a) and the convex forming plane (b') of the lower die (b) to be fitted to the forming plane (a') are respectively formed into mirror surface. The blank sheet B of Al, brass, copper, copper alloy, zinc alloy, stainless steel, iron, etc., is preheated to suitable temperatures by the heating furnace, and is fed into this press machine A; the fed blank sheet B is first placed on the backup ring 3 of the lower die (b) being at the released state, and then, the upper die (a) is brought down. Hereby, the molded product B' is formed by fitting the forming plane (a') of the upper die (a) to the forming plane (b') of the lower die (b), and also, the inner and outer surfaces of the molded product B' are finished into mirror surfaces.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14466178A JPS5570423A (en) | 1978-11-22 | 1978-11-22 | Press forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14466178A JPS5570423A (en) | 1978-11-22 | 1978-11-22 | Press forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5570423A true JPS5570423A (en) | 1980-05-27 |
Family
ID=15367274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14466178A Pending JPS5570423A (en) | 1978-11-22 | 1978-11-22 | Press forming method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5570423A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6372435A (en) * | 1986-09-13 | 1988-04-02 | Aida Eng Ltd | Method and device for thermoplastic working |
| JPH03184636A (en) * | 1989-12-14 | 1991-08-12 | Sky Alum Co Ltd | Warm forming method for aluminum plate material |
-
1978
- 1978-11-22 JP JP14466178A patent/JPS5570423A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6372435A (en) * | 1986-09-13 | 1988-04-02 | Aida Eng Ltd | Method and device for thermoplastic working |
| JPH03184636A (en) * | 1989-12-14 | 1991-08-12 | Sky Alum Co Ltd | Warm forming method for aluminum plate material |
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