GB863364A - Improvements relating to the production of drill-chuck casings - Google Patents
Improvements relating to the production of drill-chuck casingsInfo
- Publication number
- GB863364A GB863364A GB965257A GB965257A GB863364A GB 863364 A GB863364 A GB 863364A GB 965257 A GB965257 A GB 965257A GB 965257 A GB965257 A GB 965257A GB 863364 A GB863364 A GB 863364A
- Authority
- GB
- United Kingdom
- Prior art keywords
- die
- extruding
- disc
- casings
- punch
- 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
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/03—Making uncoated products by both direct and backward extrusion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
863,364. Making drill chuck casings; extruding; forging. KABELUND METALLWERKE NEUMEYER A.G. March 25, 1957, No. 9652/57. Classes 83 (2) and 83 (4). A drill chuck casing is made by cold backwardly extruding a disc-shaped blank within a die 2, Fig. 3, by a punch 3 to form an annular workpiece 5 and then cold forwardly extruding the latter in a die, Fig. 4, by a punch 7. During this operation an internal thickening 6<SP>1</SP> is provided which in a final pressing stage within a die 2<SP>1</SP>, Fig. 5, is transferred into external longitudinal grooves 7. The starting disc, which may be cut from steel bar, has an external chamfer 1<SP>1</SP>, Fig. 2 (not shown), or a central depression in one end face for centring purposes; the disc may be coated with phosphate to retain lubricant during extrusion. This coating may be formed by applying layers of metal or inorganic metal salts. An ejector 4 removes the workpiece 5 from die 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB965257A GB863364A (en) | 1957-03-25 | 1957-03-25 | Improvements relating to the production of drill-chuck casings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB965257A GB863364A (en) | 1957-03-25 | 1957-03-25 | Improvements relating to the production of drill-chuck casings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB863364A true GB863364A (en) | 1961-03-22 |
Family
ID=9876136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB965257A Expired GB863364A (en) | 1957-03-25 | 1957-03-25 | Improvements relating to the production of drill-chuck casings |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB863364A (en) |
-
1957
- 1957-03-25 GB GB965257A patent/GB863364A/en not_active Expired
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