GB616656A - Improvements relating to the die casting of metals - Google Patents
Improvements relating to the die casting of metalsInfo
- Publication number
- GB616656A GB616656A GB2796846A GB2796846A GB616656A GB 616656 A GB616656 A GB 616656A GB 2796846 A GB2796846 A GB 2796846A GB 2796846 A GB2796846 A GB 2796846A GB 616656 A GB616656 A GB 616656A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chamber
- metal
- casting
- furnace
- injection chamber
- 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
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/28—Melting pots
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
616,656. Casting-machines. BIRMINGHAM ALUMINIUM CASTING (1903) CO., Ltd., FAIRBAIRN, H., and BAKER, W. A. Sept. 18, 1946, No. 27968. [Class 83 (i)] Pouring-apparatus.-In the die casting of metals, the metal is heated in a furnace which is moved into relation with the injection chamber of a casting machine, and maintained in that relation so that it can be subjected to air or gas pressure in order to discharge metal from the furnace chamber into the injection chamber in advance of the means for forcing the charge of metal into the die. The crucible 25 of the furnace 24 is divided into two portions, 34, 35, with a communication 36 between them and provided with a charging aperture 39 including means for introducing air or gas above the metal in the chamber 34 to build up pressure for discharging metal through the removable nozzle 45, of metal or suitable refractory material, which in the discharge position engages a recess 46 in the wall of the injection chamber, from which recess a passage leads into the interior of the chamber. An aperture 52 in the wall of the injection chamber enables the operator to observe the rise of the metal into the chamber, from which it is forced into the die by a hydraulic ram. The furnace 24 is movable on rollers 29 along rails 27 and is propelled towards and away from the casting machine by a pinion 32 engaging a rack 33, being located in position by a tongue on the closure of the chamber 35 which engages between collars 47 on a tie-bar 48, and being drawn into, and held in, position by eyebolts 50. It is preferred to maintain a constant level of molten metal in the chamber 35 during casting, by the use of an adjustably loaded pressure valve. In modifications, the removable nozzle 45 may be heated and the injection chamber may be water cooled. Specification 577,389 is referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2796846A GB616656A (en) | 1946-09-18 | 1946-09-18 | Improvements relating to the die casting of metals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2796846A GB616656A (en) | 1946-09-18 | 1946-09-18 | Improvements relating to the die casting of metals |
Publications (1)
Publication Number | Publication Date |
---|---|
GB616656A true GB616656A (en) | 1949-01-25 |
Family
ID=10268155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2796846A Expired GB616656A (en) | 1946-09-18 | 1946-09-18 | Improvements relating to the die casting of metals |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB616656A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2755327A (en) * | 1948-05-26 | 1956-07-17 | Ajax Engineering Corp | Device for the discharge of molten metal |
-
1946
- 1946-09-18 GB GB2796846A patent/GB616656A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2755327A (en) * | 1948-05-26 | 1956-07-17 | Ajax Engineering Corp | Device for the discharge of molten metal |
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