GB1449365A - Punching forging and other forming operations - Google Patents
Punching forging and other forming operationsInfo
- Publication number
- GB1449365A GB1449365A GB1242374A GB1242374A GB1449365A GB 1449365 A GB1449365 A GB 1449365A GB 1242374 A GB1242374 A GB 1242374A GB 1242374 A GB1242374 A GB 1242374A GB 1449365 A GB1449365 A GB 1449365A
- Authority
- GB
- United Kingdom
- Prior art keywords
- punch
- blank
- guide member
- die
- extruded
- 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
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B21J9/04—Piercing presses
Abstract
1449365 Extrusion REPCO RESEARCH PTY Ltd 20 March 1974 [22 March 1973] 12423/74 Headings B3P [Also in Divisions B4- B5] An apparatus for backward extrusion of a metal or plastics blank 8 comprises a female die 2 and a punch 11 which is provided with a guide member 18 which fits the female die bore to centre the punch relative to the blank. The guide member is an interference fit on the shank 14 of the punch which has a land 13 at its leading end to determine the size and shape of the bore in the extruded blank. The female die 2 is closed by an anvil 5 which retracts as the punch advances until a flange 7 abuts a stop. The extruded blank may be ejected from the die 2 by the anvil 5 or pulled out of the die by the punch. The guide member may be a split bush (18), Fig. 6 (not shown), or a two part bush, Fig. 8 (not shown), held together by circlips (25) or by a ring 26, Fig. 9, through which retaining pins 27 are passed. The blanks 8 are fed successively along a passage 16 to the punch 11 and the extruded blanks 17 fed away along the passage 16.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU270573 | 1973-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1449365A true GB1449365A (en) | 1976-09-15 |
Family
ID=3693197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1242374A Expired GB1449365A (en) | 1973-03-22 | 1974-03-20 | Punching forging and other forming operations |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU475195B2 (en) |
| DE (1) | DE2413745A1 (en) |
| GB (1) | GB1449365A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2481962A1 (en) * | 1980-05-08 | 1981-11-13 | Mannesmann Ag | DEVICE FOR GUIDING THE PUNCH IN PRESSES FOR PUNCHING AND SPINNING, IN PARTICULAR FOR REVERSE SPINNING OF HOLLOW BODIES |
| CN109226628A (en) * | 2018-10-15 | 2019-01-18 | 西南铝业（集团）有限责任公司 | A kind of aluminium lithium alloy cone cylinder mold |
| CN109848300A (en) * | 2019-03-28 | 2019-06-07 | 优德精密工业（昆山）股份有限公司 | A kind of rotary punching mechanism |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583485B (en) * | 2016-12-22 | 2018-03-02 | 南昌工程学院 | The manufacturing process of Big Diameter Flange cylinder |
-
1973
- 1973-03-22 AU AU66796/74A patent/AU475195B2/en not_active Expired
-
1974
- 1974-03-20 GB GB1242374A patent/GB1449365A/en not_active Expired
- 1974-03-21 DE DE19742413745 patent/DE2413745A1/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2481962A1 (en) * | 1980-05-08 | 1981-11-13 | Mannesmann Ag | DEVICE FOR GUIDING THE PUNCH IN PRESSES FOR PUNCHING AND SPINNING, IN PARTICULAR FOR REVERSE SPINNING OF HOLLOW BODIES |
| CN109226628A (en) * | 2018-10-15 | 2019-01-18 | 西南铝业（集团）有限责任公司 | A kind of aluminium lithium alloy cone cylinder mold |
| CN109226628B (en) * | 2018-10-15 | 2024-03-08 | 西南铝业（集团）有限责任公司 | Aluminum lithium alloy cone cylinder die |
| CN109848300A (en) * | 2019-03-28 | 2019-06-07 | 优德精密工业（昆山）股份有限公司 | A kind of rotary punching mechanism |
| CN109848300B (en) * | 2019-03-28 | 2023-11-21 | 优德精密工业（昆山）股份有限公司 | Rotary stamping mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| AU6679674A (en) | 1975-09-18 |
| AU475195B2 (en) | 1976-08-12 |
| DE2413745A1 (en) | 1974-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |