JPS5680346A - Production of mold - Google Patents
Production of moldInfo
- Publication number
- JPS5680346A JPS5680346A JP15742979A JP15742979A JPS5680346A JP S5680346 A JPS5680346 A JP S5680346A JP 15742979 A JP15742979 A JP 15742979A JP 15742979 A JP15742979 A JP 15742979A JP S5680346 A JPS5680346 A JP S5680346A
- Authority
- JP
- Japan
- Prior art keywords
- sand
- pattern
- binder
- thence
- aggregate
- 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
Landscapes
- Mold Materials And Core Materials (AREA)
Abstract
PURPOSE: To reduce the production cost of large-size molds etc. and lessen manpower by coating parting powder on the surface of a pattern provided in a metal flask and blowing a binder and aggregate then filling the metal flask inside with reinforcing sand and parting the mold.
CONSTITUTION: A pattern 1 is installed in a metal flask and a parting powder layer 2 is formed on the surface of said pattern 1. Thence, a liquid-form binder 3 contg. fine powder for coat such as silica sand powder and a binder such as phenolic resin is blown thence aggregate 4 such as silica sand is blown and is secured to the binder layer 3. Further, the liquid-form binder and aggregate are blown simultaneously or alternately, whereby laminar facing sand A of about 2W20mm thickness is formed and is thence hardened. Next, the space in the metal flask is filled with reinforcing sand and the pattern 1 is parted, whereby the mold is obtained. The formation of the facing sand is made easy by this method irrespective of the shape and position of the pattern 1. In addition, the laminar facing sand of high density and strength is obtainable; hence, the facing sand is made thin.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15742979A JPS5680346A (en) | 1979-12-06 | 1979-12-06 | Production of mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15742979A JPS5680346A (en) | 1979-12-06 | 1979-12-06 | Production of mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5680346A true JPS5680346A (en) | 1981-07-01 |
Family
ID=15649435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15742979A Pending JPS5680346A (en) | 1979-12-06 | 1979-12-06 | Production of mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5680346A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS589740A (en) * | 1981-07-10 | 1983-01-20 | Yamakawa Sangyo Kk | Mold coating method into multiple layers |
| JPS611445A (en) * | 1984-06-14 | 1986-01-07 | Honda Motor Co Ltd | Production of casting mold for precision casting |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5329161A (en) * | 1976-08-30 | 1978-03-18 | Tokai Rika Co Ltd | Detecting circuit for wave transmitted and received in ultrasonic object finder |
| JPS5355411A (en) * | 1976-10-29 | 1978-05-19 | Takara Belmont | Casting method |
-
1979
- 1979-12-06 JP JP15742979A patent/JPS5680346A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5329161A (en) * | 1976-08-30 | 1978-03-18 | Tokai Rika Co Ltd | Detecting circuit for wave transmitted and received in ultrasonic object finder |
| JPS5355411A (en) * | 1976-10-29 | 1978-05-19 | Takara Belmont | Casting method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS589740A (en) * | 1981-07-10 | 1983-01-20 | Yamakawa Sangyo Kk | Mold coating method into multiple layers |
| JPS611445A (en) * | 1984-06-14 | 1986-01-07 | Honda Motor Co Ltd | Production of casting mold for precision casting |
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