JPS56168934A - Production of lost wax mold - Google Patents
Production of lost wax moldInfo
- Publication number
- JPS56168934A JPS56168934A JP7295280A JP7295280A JPS56168934A JP S56168934 A JPS56168934 A JP S56168934A JP 7295280 A JP7295280 A JP 7295280A JP 7295280 A JP7295280 A JP 7295280A JP S56168934 A JPS56168934 A JP S56168934A
- Authority
- JP
- Japan
- Prior art keywords
- pattern
- mold
- layer
- wax
- sanding
- 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 detect the temp. condition of a mold under calcination from the color of the mold itself, and to control the calcination of the mold visually and easily by coating an aqueous soln. of Cd(NO3)2 on the refractory layer provided on a wax pattern then calcining the same.
CONSTITUTION: A wax pattern 1 is immersed in an ethyl silicate soln. 2 mixed with fine Zr sand or the like to cover the surface of the pattern 1. Before this covering layer dries up, coarse sand 3 is sprinkled thereon, thereby forming a sanding layer. This covering and sanding are repeated alternately to form a refractory layer 4 on the pattern 1. Then, an aqueous soln. contg. Cd(NO3)2 and food coloring additives such as red colors Nos. 2, 3 and the like is coated 5 on part or the whole of the surface of said layer 4. The pattern 1 provided with the layer 4 is then heated and calcined for a prescribed time (about 1hr) in a prescribed temp. (about 1,000°C) in a heating furnace 6 to allow the wax corresponding to the pattern 1 part to elute, thereby forming a mold cavity 7 and making a lost wax mold 8. A casting product of the same shape as that of the pattern 1, that is, high dimensional accuracy and beautiful casting surface is cast by this mold 8.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7295280A JPS56168934A (en) | 1980-05-30 | 1980-05-30 | Production of lost wax mold |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7295280A JPS56168934A (en) | 1980-05-30 | 1980-05-30 | Production of lost wax mold |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56168934A true JPS56168934A (en) | 1981-12-25 |
Family
ID=13504221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7295280A Pending JPS56168934A (en) | 1980-05-30 | 1980-05-30 | Production of lost wax mold |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56168934A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5655592A (en) * | 1994-09-29 | 1997-08-12 | Leach & Dillon, Inc. | Method and device for eliminating compression and distortion of wax patterns in lost-wax casting |
WO2001026841A1 (en) * | 1999-10-08 | 2001-04-19 | Foseco International Limited | Refractory coatings which provide a visual indication of moisture |
-
1980
- 1980-05-30 JP JP7295280A patent/JPS56168934A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5655592A (en) * | 1994-09-29 | 1997-08-12 | Leach & Dillon, Inc. | Method and device for eliminating compression and distortion of wax patterns in lost-wax casting |
WO2001026841A1 (en) * | 1999-10-08 | 2001-04-19 | Foseco International Limited | Refractory coatings which provide a visual indication of moisture |
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