GB808335A - Improvements relating to the deep drawing of metal sheets - Google Patents
Improvements relating to the deep drawing of metal sheetsInfo
- Publication number
- GB808335A GB808335A GB22906/57A GB2290657A GB808335A GB 808335 A GB808335 A GB 808335A GB 22906/57 A GB22906/57 A GB 22906/57A GB 2290657 A GB2290657 A GB 2290657A GB 808335 A GB808335 A GB 808335A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sheet
- furrows
- region
- deep
- holder part
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/26—Deep-drawing for making peculiarly, e.g. irregularly, shaped articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
808,335. Stamping. OPEL A.G., A. July 19, 1957 [July 27, 1956], No. 22906/57. Class 83(4). A press for deep-drawing metal sheets comprises a lower matrix having a sheet-holder part surrounding a drawing surface, and an upper press element which includes a movable sheet-holder part and a movable die, either the die or the sheet-holder parts having in or adjacent to the region of deepest drawing, corrugations running in the direction of drawing pressure, and which impart to the sheet-metal corresponding furrows which provide a reserve of stock to prevent excessive stressing in the region of deepest drawing. In an embodiment, the lower matrix for forming the wheel casing of a motor vehicle comprises a drawing surface 12 with a sheet-holder part 13 and spring-loaded ejectors 14. Drawing beads 15 are formed in the part 13. Adjacent the region of deep drawing a, b, the slanting surface of the part 13 is provided with converging corrugations 16. The finished wheel casing 18 exhibits a smooth surface which requires no further working, the holding edge 19 being removed by cutting. In another embodiment the deep drawing is effected in two stages. After the first stage two converging furrows 23a, 23b are formed in the drawn sheet and the drawing edge 24 is severed (Fig. 4). In the second stage all that is required is a simple raising operation to remove the furrows.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE808335X | 1956-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB808335A true GB808335A (en) | 1959-02-04 |
Family
ID=6723063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22906/57A Expired GB808335A (en) | 1956-07-27 | 1957-07-19 | Improvements relating to the deep drawing of metal sheets |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB808335A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2108467A2 (en) | 2008-04-11 | 2009-10-14 | ThyssenKrupp Steel AG | Method for producing highly dimensionally accurate half shells |
-
1957
- 1957-07-19 GB GB22906/57A patent/GB808335A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2108467A2 (en) | 2008-04-11 | 2009-10-14 | ThyssenKrupp Steel AG | Method for producing highly dimensionally accurate half shells |
| EP2108467A3 (en) * | 2008-04-11 | 2013-04-03 | ThyssenKrupp Steel Europe AG | Method for producing highly dimensionally accurate half shells |
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