JPS5639143A - Repairing method of wood pattern for casting - Google Patents
Repairing method of wood pattern for castingInfo
- Publication number
- JPS5639143A JPS5639143A JP11284979A JP11284979A JPS5639143A JP S5639143 A JPS5639143 A JP S5639143A JP 11284979 A JP11284979 A JP 11284979A JP 11284979 A JP11284979 A JP 11284979A JP S5639143 A JPS5639143 A JP S5639143A
- Authority
- JP
- Japan
- Prior art keywords
- pattern
- mold
- wood
- corrected
- reinforcing coating
- 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
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
PURPOSE: To easily reproduce a wood pattern having reached its service limit and save the cost of manufacturing patterns by making a mold with said pattern, removing the inner side surface of the pattern and injecting a reinforcing coating agent in the clearance of the mold thereby repairing the same.
CONSTITUTION: Molding sand is packed in a pattern 1 made of wood which has worn and become dimensionally inaccurate upon longterm use, whereby a mold 2 is made. Thence, this mold 2 is taken out from the wood pattern 2, and the thickness 4 nearly constant over the entire surface of the inside surface 3 is removed by using woodworking tools or the like, whereby a corrected pattern 1' is made. On the other hand, a release agent is coated on the entire outside surface 5 of the mold 2 and the pattern is again fitted into the cavity in the corrected pattern 1', then the space 4' of nearly uniform thickness is formed between the removed inside surface 3' of the corrected pattern 1' and the outside surface 5 of the mold 2. Next, a reinforcing coating agent 6 prepared by adding a hardener to a molten synthetic resin is injected into the space 4' and the pattern 2 is taken out after it has solidified. Hence, the corrected pattern 1' assumes the state that the reinforcing coating film has stuck over the entire surface of its inside surface, thus the repaired pattern of an accurate size is obtained.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11284979A JPS608898B2 (en) | 1979-09-05 | 1979-09-05 | How to repair wooden casting models |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11284979A JPS608898B2 (en) | 1979-09-05 | 1979-09-05 | How to repair wooden casting models |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5639143A true JPS5639143A (en) | 1981-04-14 |
JPS608898B2 JPS608898B2 (en) | 1985-03-06 |
Family
ID=14597060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11284979A Expired JPS608898B2 (en) | 1979-09-05 | 1979-09-05 | How to repair wooden casting models |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS608898B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104117634A (en) * | 2014-08-09 | 2014-10-29 | 山东理工大学 | Repairing method of casting die |
-
1979
- 1979-09-05 JP JP11284979A patent/JPS608898B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104117634A (en) * | 2014-08-09 | 2014-10-29 | 山东理工大学 | Repairing method of casting die |
Also Published As
Publication number | Publication date |
---|---|
JPS608898B2 (en) | 1985-03-06 |
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