GB1111351A - Improvements in or relating to hydrostatic extrusion processes - Google Patents
Improvements in or relating to hydrostatic extrusion processesInfo
- Publication number
- GB1111351A GB1111351A GB30277/64A GB3027764A GB1111351A GB 1111351 A GB1111351 A GB 1111351A GB 30277/64 A GB30277/64 A GB 30277/64A GB 3027764 A GB3027764 A GB 3027764A GB 1111351 A GB1111351 A GB 1111351A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chamber
- billet
- ram
- fluid
- cylinder
- 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, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/007—Hydrostatic extrusion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Extrusion Of Metal (AREA)
Abstract
1,111,351. Extruding. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 26 July, 1965 [31 July, 1964; 7 July, 1965], Nos. 30277/64 and 28823/65. Heading B3P. A billet 180 is extruded through a die 179 by a combination of hydrostatic and mechanical extruding forces. Surrounding the billet and enclosed in a cylinder 150 is a fluid which has communication with a chamber 123 by means of a bore 170 in an extrusion ram 146. The ram is rigidly attached to the outside of the chamber 123 and is used to exert an axial pressure on the billet while the fluid surrounding the billet exerts a hydrostatic force. A plunger 118 rigidly attached to a main ram 108 slidable in a cylinder 109, moves within the chamber 123 to effect pressurization of the fluid and to simultaneously exert an axial force on the ram 146 through the medium of the fluid. During extrusion, the chamber 123 together with the ram 146 normally move towards the left, but the chamber can be wholly or partly restrained from movement by means of piston cylinder units 134, 135 operatively connected to the chamber in order to control the amount of axial force exerted by the ram 146 on the billet. By stopping movement of the chamber completely the resulting extrusion is purely hydrostatic. The ram 108 is pressurized by a motor driven pump 177 delivering fluid through a valve 178 and is independently movable by piston-cylinder units acting on a crosshead 112. The chamber 123 and cylinder 150 are similarly axially movable by means of piston-cylinder units to allow insertion and removal of the billets. On completion of extrusion the cylinder 150 is moved to the right and the remainder of the billet is sheared off by either a horizontal or a vertical shear assembly 174. Alternatively the end of the billet may be sawn off. A shear ring 181 (Fig. 5, not shown) is discarded after extrusion. A back pressure tube 175 allows brittle materials to be extruded against a pressure exerted by a fluid in the tube.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB30277/64A GB1111351A (en) | 1964-07-31 | 1964-07-31 | Improvements in or relating to hydrostatic extrusion processes |
| US473128A US3382691A (en) | 1964-07-31 | 1965-07-19 | Hydrostatic extrusion processes |
| CH1050865A CH438184A (en) | 1964-07-31 | 1965-07-27 | Extrusion process and apparatus for its implementation |
| DE1965U0011919 DE1452487B2 (en) | 1964-07-31 | 1965-07-28 | HYDROSTATIC EXTRUSION PRESS |
| SE1002665A SE318241B (en) | 1964-07-31 | 1965-07-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB30277/64A GB1111351A (en) | 1964-07-31 | 1964-07-31 | Improvements in or relating to hydrostatic extrusion processes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1111351A true GB1111351A (en) | 1968-04-24 |
Family
ID=10305100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB30277/64A Expired GB1111351A (en) | 1964-07-31 | 1964-07-31 | Improvements in or relating to hydrostatic extrusion processes |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3382691A (en) |
| GB (1) | GB1111351A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1193440A (en) * | 1966-12-16 | 1970-06-03 | Vickers Ltd | Improvements in or relating to high pressure extrusion apparatus |
| GB1215452A (en) * | 1967-02-02 | 1970-12-09 | Atomic Energy Authority Uk | Improvements in or relating to hydrostatic extrusion apparatus |
| US3983730A (en) * | 1971-08-16 | 1976-10-05 | Battelle Memorial Institute | Method of hydrostatic extrusion |
| US3817069A (en) * | 1972-05-25 | 1974-06-18 | Ford Motor Co | Continuous hydrostatic extrusion die assembly and method for using it in forming extruded parts |
| US7284405B2 (en) * | 2000-06-09 | 2007-10-23 | Aida Engineering Co., Ltd. | Pressure controlled fluid pressure extrusion method |
| JP3707768B2 (en) * | 2000-06-09 | 2005-10-19 | アイダエンジニアリング株式会社 | Pressure control hydraulic extrusion method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3126096A (en) * | 1964-03-24 | Hydrostatic extrusion system | ||
| US796970A (en) * | 1904-01-26 | 1905-08-08 | Pittsburgh Reduction Company | Method of extruding metal. |
-
1964
- 1964-07-31 GB GB30277/64A patent/GB1111351A/en not_active Expired
-
1965
- 1965-07-19 US US473128A patent/US3382691A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3382691A (en) | 1968-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IE32409L (en) | Hydrostatic extrusion of billets. | |
| GB1312703A (en) | Extrusion press | |
| GB1111351A (en) | Improvements in or relating to hydrostatic extrusion processes | |
| US5613393A (en) | Metal extrusion process and extrusion press | |
| US3364716A (en) | Extrusion apparatus | |
| ES350124A1 (en) | Injection assembly for a pressure moulding machine | |
| US3354685A (en) | Hydrostatic extrusion apparatus | |
| GB1201485A (en) | Methods of and apparatus for extruding solid plastic materials | |
| GB1502980A (en) | Fluid pressure actuated operator cylinder with incorporated stress converter | |
| GB894737A (en) | Method of producing metal tubes, particularly steel tubes in an extrusion press | |
| GB1103749A (en) | Improvements in methods of shaping metals under high hydrostatic pressure | |
| GB1193440A (en) | Improvements in or relating to high pressure extrusion apparatus | |
| GB837126A (en) | Hydraulic metal extrusion press with movable mandrel | |
| GB919520A (en) | Improvements in hydraulic metal-tube extrusion presses | |
| GB1099912A (en) | Hydraulic extrusion apparatus | |
| GB1428443A (en) | Press for the hydrostaitc extrusion of tubes | |
| GB1215452A (en) | Improvements in or relating to hydrostatic extrusion apparatus | |
| GB1112322A (en) | Improvements in the extrusion of tubular products | |
| GB1152219A (en) | Improvements in or relating to Extrusion Presses | |
| GB660257A (en) | Improvements in and relating to the extrusion of materials such as metals | |
| SU505582A1 (en) | Drive to hydraulic press | |
| GB1144364A (en) | Improvements relating to hydrostatic high pressure apparatus | |
| GB1384738A (en) | Method of reducing the cross-sectional area of billets | |
| IE35172L (en) | Hydrostatic extrusion press. | |
| GB1192630A (en) | Improvements in Hydrostatic Extrusion Presses |