JPS6487057A - Production of cylinder head - Google Patents
Production of cylinder headInfo
- Publication number
- JPS6487057A JPS6487057A JP24479387A JP24479387A JPS6487057A JP S6487057 A JPS6487057 A JP S6487057A JP 24479387 A JP24479387 A JP 24479387A JP 24479387 A JP24479387 A JP 24479387A JP S6487057 A JPS6487057 A JP S6487057A
- Authority
- JP
- Japan
- Prior art keywords
- product
- members
- casting
- heat resistant
- resistant impact
- 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
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
PURPOSE:To improve the quality of a product and to reduce the production cost by fixing annular heat resistant impact members to the outside circumference of hole casting bosses which support cores and executing internal chill, then exposing the heat resistant impact members by cutting. CONSTITUTION:The cores 7, 8 which form the shapes of the product are supported by the hole casting bosses 9a, 9b and the annular heat resistant impact members 1 are pushed onto the bosses 9a, 9b. Projections 3 for positioning act to securely and exactly fix the members 1. The floating and positional deviating of the members 1 by pouring are prevented when a molten metal is poured into the space A of a casting mold 4. A parting line P and the product shape S are formed by the cutting, by which the product 10 is obtd. Since the product 10 is formed by exposing the heat resistant impact members 1 after embedding the same by casting, the crack and deformation of the product are prevented and the quality is improved. Since the members 1 are easily built into the casting, the production cost is reduced.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62244793A JP2550607B2 (en) | 1987-09-29 | 1987-09-29 | Cylinder head manufacturing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62244793A JP2550607B2 (en) | 1987-09-29 | 1987-09-29 | Cylinder head manufacturing method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6487057A true JPS6487057A (en) | 1989-03-31 |
JP2550607B2 JP2550607B2 (en) | 1996-11-06 |
Family
ID=17124014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62244793A Expired - Lifetime JP2550607B2 (en) | 1987-09-29 | 1987-09-29 | Cylinder head manufacturing method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2550607B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007061891A (en) * | 2005-09-02 | 2007-03-15 | Yanmar Co Ltd | Method for casting cast iron, and method for manufacturing cylinder head of internal combustion engine using the same |
JP2007061892A (en) * | 2005-09-02 | 2007-03-15 | Yanmar Co Ltd | Method for casting cast iron, and method for manufacturing cylinder head of internal combustion engine using the same |
JP2009233701A (en) * | 2008-03-26 | 2009-10-15 | Jatco Ltd | Manufacturing method of internally-chilled article |
-
1987
- 1987-09-29 JP JP62244793A patent/JP2550607B2/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007061891A (en) * | 2005-09-02 | 2007-03-15 | Yanmar Co Ltd | Method for casting cast iron, and method for manufacturing cylinder head of internal combustion engine using the same |
JP2007061892A (en) * | 2005-09-02 | 2007-03-15 | Yanmar Co Ltd | Method for casting cast iron, and method for manufacturing cylinder head of internal combustion engine using the same |
JP2009233701A (en) * | 2008-03-26 | 2009-10-15 | Jatco Ltd | Manufacturing method of internally-chilled article |
Also Published As
Publication number | Publication date |
---|---|
JP2550607B2 (en) | 1996-11-06 |
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