JPS6422460A - Method and apparatus for suction casting - Google Patents
Method and apparatus for suction castingInfo
- Publication number
- JPS6422460A JPS6422460A JP18034087A JP18034087A JPS6422460A JP S6422460 A JPS6422460 A JP S6422460A JP 18034087 A JP18034087 A JP 18034087A JP 18034087 A JP18034087 A JP 18034087A JP S6422460 A JPS6422460 A JP S6422460A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- molten metal
- cavity
- casting
- chiller
- 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 control suction speed in the optimum range and to enable suction- casting for the casting product without any casting defect by controlling pressing force of a chiller to a mold in accordance with reducing pressure degree in a product cavity. CONSTITUTION:After adjusting the flow rate control valve 42 to the prescribed flow rate, hydraulic pressure cylinder 36 is worked and the prescribed pressing force is beforehand applied to the chiller 28 through a pressing rod 34. Under this condition, the pressure in the product cavity 24 is reduced 44 through gap 50 of contacting surface between a mold 18 and the chiller 28. When a pressure gate 48 shows the prescribed valve, the sprue 22 in the mold 18 is dipped into molten metal 12. As a result by different pressure between the reduced pressure in the cavity 24 and the pressure at the atmospheric surface of the molten metal 12 contained in a molten metal storing vessel 14, the molten metal 12 is sucked up into the cavity 24. During this operation, by controlling the pressing force of the cylinder 36 fixing the area and volume of the gap 50, the pressure reducing degree in the cavity 24 is fixed. By this method, the suction speed of the molten metal is controlled to the optimum range and the good casting without any casting defect can be obtd.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18034087A JPH0783923B2 (en) | 1987-07-19 | 1987-07-19 | Suction casting method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18034087A JPH0783923B2 (en) | 1987-07-19 | 1987-07-19 | Suction casting method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6422460A true JPS6422460A (en) | 1989-01-25 |
| JPH0783923B2 JPH0783923B2 (en) | 1995-09-13 |
Family
ID=16081511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18034087A Expired - Lifetime JPH0783923B2 (en) | 1987-07-19 | 1987-07-19 | Suction casting method and device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0783923B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4993473A (en) * | 1990-07-30 | 1991-02-19 | General Motors Corporation | Differential pressure, countergravity casting using mold ingate chills |
| CN112916832A (en) * | 2021-01-25 | 2021-06-08 | 中国科学院金属研究所 | Vacuum suction casting device and method for high-melting-point, high-activity and high-purity alloy |
-
1987
- 1987-07-19 JP JP18034087A patent/JPH0783923B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4993473A (en) * | 1990-07-30 | 1991-02-19 | General Motors Corporation | Differential pressure, countergravity casting using mold ingate chills |
| CN112916832A (en) * | 2021-01-25 | 2021-06-08 | 中国科学院金属研究所 | Vacuum suction casting device and method for high-melting-point, high-activity and high-purity alloy |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0783923B2 (en) | 1995-09-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |