JPS5575880A - Production of crankshaft for automobile - Google Patents
Production of crankshaft for automobileInfo
- Publication number
- JPS5575880A JPS5575880A JP15066478A JP15066478A JPS5575880A JP S5575880 A JPS5575880 A JP S5575880A JP 15066478 A JP15066478 A JP 15066478A JP 15066478 A JP15066478 A JP 15066478A JP S5575880 A JPS5575880 A JP S5575880A
- Authority
- JP
- Japan
- Prior art keywords
- molds
- graphite
- shell
- whose
- hampering
- 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
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Casting Devices For Molds (AREA)
Abstract
PURPOSE: To suppress graphite spheroidization hampering action and improve tensile strength by applying graphite spheroidizing to the molten cast steel containing the specified amounts of C, Si, Mn, Sb then pouring the same into the shell molds with back metal dies.
CONSTITUTION: Graphite spheroidizing is applied to the molten cast steel composed of C; 3.5W4.0%, Si; 2.5W3.0%, Mn; 0.1W1.0%, Sb; 0.01W0.1% and the rest substantially of iron by adding Mg thereto. Next, this is poured into the molds 4, 5 whose inside surfaces facing cavities 1 are shell sand layers 2, whose back surfaces are metal molds 3 and whose structures are paired, whereby the crankshaft is cast. This method accelerates pearlitization and improves tensile strength by adding a slight amount of inexpensive Sb in liu of Cu into the cast iron components and suppresses the graphite spheroidization hampering action caused by the addition of Sb through the use of the shell molds with back metal molds.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15066478A JPS5575880A (en) | 1978-12-05 | 1978-12-05 | Production of crankshaft for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15066478A JPS5575880A (en) | 1978-12-05 | 1978-12-05 | Production of crankshaft for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5575880A true JPS5575880A (en) | 1980-06-07 |
Family
ID=15501777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15066478A Pending JPS5575880A (en) | 1978-12-05 | 1978-12-05 | Production of crankshaft for automobile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5575880A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106944625A (en) * | 2017-03-20 | 2017-07-14 | 青岛北琪实业有限公司 | A kind of tinplate lid arrangement |
| CN107803458A (en) * | 2017-11-16 | 2018-03-16 | 嘉善鑫海精密铸件有限公司 | A kind of application of new material carburant in investment casting casing |
-
1978
- 1978-12-05 JP JP15066478A patent/JPS5575880A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106944625A (en) * | 2017-03-20 | 2017-07-14 | 青岛北琪实业有限公司 | A kind of tinplate lid arrangement |
| CN107803458A (en) * | 2017-11-16 | 2018-03-16 | 嘉善鑫海精密铸件有限公司 | A kind of application of new material carburant in investment casting casing |
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