JPS5519489A - Filling method of molten metal in vertical die-casting machine - Google Patents
Filling method of molten metal in vertical die-casting machineInfo
- Publication number
- JPS5519489A JPS5519489A JP9337878A JP9337878A JPS5519489A JP S5519489 A JPS5519489 A JP S5519489A JP 9337878 A JP9337878 A JP 9337878A JP 9337878 A JP9337878 A JP 9337878A JP S5519489 A JPS5519489 A JP S5519489A
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- piston
- plunger
- sleeve
- pressure
- 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.)
- Granted
Links
Abstract
PURPOSE: To fill molten metal without any defects such as gas holes, misruns, etc. by letting a pressing piston descend at a speed faster than that of a pressure receoving piston.
CONSTITUTION: Molten metal M is poured and reserved in the sleeve 4 between a pressing side plunger piston 8 and a pressure receiving side counter piston 6. Next, the plunger piston 8 is fitted into the opening 4a of the sleeve 4 and is lowered. At this time, a space S is given between the molten metal M and the plunger piston 8. next, both pistons 6, 8 are started and the descending speed is so increased that when the counter piston 6 descends down to the filling position 5 the plunger pistion 8 catches up with the head M1 of the molten metal M. Then, the air of the space S is expelled through the clearance between the piston 8 and sleeve 4 in the catch-up process, thus the molten metal M is pressure-filled from the filling position 5 without the entry of the air layer into the molten metal M.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9337878A JPS5519489A (en) | 1978-07-31 | 1978-07-31 | Filling method of molten metal in vertical die-casting machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9337878A JPS5519489A (en) | 1978-07-31 | 1978-07-31 | Filling method of molten metal in vertical die-casting machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5519489A true JPS5519489A (en) | 1980-02-12 |
JPS5649175B2 JPS5649175B2 (en) | 1981-11-20 |
Family
ID=14080634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9337878A Granted JPS5519489A (en) | 1978-07-31 | 1978-07-31 | Filling method of molten metal in vertical die-casting machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5519489A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0465507U (en) * | 1990-10-16 | 1992-06-08 | ||
JPH0465506U (en) * | 1990-10-16 | 1992-06-08 | ||
KR101018674B1 (en) | 2009-03-17 | 2011-03-04 | 홍기원 | Casting Apparatus |
-
1978
- 1978-07-31 JP JP9337878A patent/JPS5519489A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0465507U (en) * | 1990-10-16 | 1992-06-08 | ||
JPH0465506U (en) * | 1990-10-16 | 1992-06-08 | ||
KR101018674B1 (en) | 2009-03-17 | 2011-03-04 | 홍기원 | Casting Apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS5649175B2 (en) | 1981-11-20 |
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