JPS57159236A - Molding method for core - Google Patents
Molding method for coreInfo
- Publication number
- JPS57159236A JPS57159236A JP4573681A JP4573681A JPS57159236A JP S57159236 A JPS57159236 A JP S57159236A JP 4573681 A JP4573681 A JP 4573681A JP 4573681 A JP4573681 A JP 4573681A JP S57159236 A JPS57159236 A JP S57159236A
- Authority
- JP
- Japan
- Prior art keywords
- box
- core
- cavity
- green sand
- hopper
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
PURPOSE:To mold a core by green sand by hadening the green sand packed in the cavity of a core box firmly by means of a screw shaft or eccentric shaft which is inserted into the cavity and is revolved then removing the screw shaft or the eccentric shaft. CONSTITUTION:An elevating table 9 placed thereon with a core box 12 is moved upward by the extension operation of a cylnder 7, to bring the box 12 into abutment on a hopper 10, thence the box 12 is clamped by means of the hopper 10 and the table 9. The green sand (a) in the hopper 10 is packed through the supply port 13 of the box 12 into a cavity 15 and a rotating and driving mechanism 3 is driven to revolve a screw shaft 6 and to insert the leading end of the shaft 6 through a through-hole 8 into the cavity 15 packed with the green sand (a), thereby hardening the green sand (a) firmly. The screw 6 is removed from the hardened sand (a) by operating the mechanism 3 and a cylinder 2. The box 12 is removed and the hardened core is removed by opening the box 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4573681A JPS57159236A (en) | 1981-03-27 | 1981-03-27 | Molding method for core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4573681A JPS57159236A (en) | 1981-03-27 | 1981-03-27 | Molding method for core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57159236A true JPS57159236A (en) | 1982-10-01 |
Family
ID=12727601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4573681A Pending JPS57159236A (en) | 1981-03-27 | 1981-03-27 | Molding method for core |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57159236A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561485A (en) * | 1982-11-12 | 1985-12-31 | Sintokogio Ltd. | Core making machine for making hollow core |
| JP2011125890A (en) * | 2009-12-16 | 2011-06-30 | Denso Corp | Casting apparatus and casting method for casting inner diameter forming part or the like with high precision |
-
1981
- 1981-03-27 JP JP4573681A patent/JPS57159236A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561485A (en) * | 1982-11-12 | 1985-12-31 | Sintokogio Ltd. | Core making machine for making hollow core |
| JP2011125890A (en) * | 2009-12-16 | 2011-06-30 | Denso Corp | Casting apparatus and casting method for casting inner diameter forming part or the like with high precision |
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