JPS5794445A - Casting method for casting requiring long hole in inside - Google Patents
Casting method for casting requiring long hole in insideInfo
- Publication number
- JPS5794445A JPS5794445A JP16984280A JP16984280A JPS5794445A JP S5794445 A JPS5794445 A JP S5794445A JP 16984280 A JP16984280 A JP 16984280A JP 16984280 A JP16984280 A JP 16984280A JP S5794445 A JPS5794445 A JP S5794445A
- Authority
- JP
- Japan
- Prior art keywords
- casting
- long hole
- coating
- mold
- molten metal
- 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
Abstract
PURPOSE: To make a long hole in the inside at the casting without postworking and reduce the man-hours by coating a bar material of a m.p. lower than that of molten metal with a material of a m.p. higher than that of the molten metal and casting the molten metal into the mold.
CONSTITUTION: A metallic bar 6 made of Al of a low m.p. having a diameter equal to the hole diameter of a long hole required in the inside of a casting is worked to a desired long hole shape, and ceramics coating 7 is applied on the surface. The material 6 having such coating is incorporated into a mold 8, and a stopper is fitted into an outflow port 9, thence cast iron 10 is teemed into the mold 8. Since the coating 7 is of a high m.p., it remains in the state of solid, but the material 6 melts as it is of a low m.p., and when the stopper of the port 9 is removed to allow the molten material 6 to flow to the outside of the mold 8, a space 12 of a long hole shape having the coating 7 is formed in the inside of solidified cast iron 10.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16984280A JPS5794445A (en) | 1980-12-01 | 1980-12-01 | Casting method for casting requiring long hole in inside |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16984280A JPS5794445A (en) | 1980-12-01 | 1980-12-01 | Casting method for casting requiring long hole in inside |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5794445A true JPS5794445A (en) | 1982-06-11 |
Family
ID=15893931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16984280A Pending JPS5794445A (en) | 1980-12-01 | 1980-12-01 | Casting method for casting requiring long hole in inside |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5794445A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59137152A (en) * | 1983-01-27 | 1984-08-07 | Ebara Corp | Casting method |
| CN104525868A (en) * | 2014-12-30 | 2015-04-22 | 宁夏共享装备有限公司 | Molding tool of suspend-mill ore smashing part and production method of molding tool |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5445314A (en) * | 1977-09-16 | 1979-04-10 | Kubota Ltd | Method of making centerless ceramic core |
| JPS5684154A (en) * | 1979-12-11 | 1981-07-09 | Mitsubishi Heavy Ind Ltd | Drilling method for fine hole |
-
1980
- 1980-12-01 JP JP16984280A patent/JPS5794445A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5445314A (en) * | 1977-09-16 | 1979-04-10 | Kubota Ltd | Method of making centerless ceramic core |
| JPS5684154A (en) * | 1979-12-11 | 1981-07-09 | Mitsubishi Heavy Ind Ltd | Drilling method for fine hole |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59137152A (en) * | 1983-01-27 | 1984-08-07 | Ebara Corp | Casting method |
| JPH0130574B2 (en) * | 1983-01-27 | 1989-06-21 | Ebara Mfg | |
| CN104525868A (en) * | 2014-12-30 | 2015-04-22 | 宁夏共享装备有限公司 | Molding tool of suspend-mill ore smashing part and production method of molding tool |
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