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Development of Load Reduction Technology by Swing-Type Forging and Lubrication for Large-Deformation Forging by High-Speed Large-Reduction Forging — Production Technology for Fine Grained Steel by Large Deformation Forging II —
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- Miyake Masaru
- Rolling & Processing Research Department, Steel Research Laboratory, JFE Steel Corporation
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- Yazaki Takuro
- Rolling & Processing Research Department, Steel Research Laboratory, JFE Steel Corporation
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- Sodani Yasuhiro
- Steel Research Laboratory, JFE Steel Corporation
Bibliographic Information
- Other Title
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- Development of Load Reduction Technology by Swing-Type Forging and Lubrication for Large-Deformation Forging by High-Speed Large-Reduction Forging : Production Technology for Fine Grained Steel by Large Deformation Forging(2)
- Development of Load Reduction Technology by Swing-Type Forging and Lubrication for Large-Deformation Forging by High-Speed Large-Reduction Forging — Production Technology for Fine Grained Steel by Large Deformation Forging II —
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Description
To reduce the forging load of the proposed large deformation forging technology, a new type of forging system is proposed. In this forging system, the contact length between forging dies and a work can be reduced by adjusting the swing motion of the dies during forging. This swing motion results in load reduction because contact length is a dominant factor of the load for this type of forging. Also, this forging technology is relatively stable when using lubrication because of its basic up-and-down motion. In this study, load reduction effect with the newly proposed forging system and lubrication are examined by laboratory-scale experiments and FE analysis. It appears that a nearly 30% load reduction can be achieved by the swing-type forging compared with the flying-type forging under the condition of a large thickness reduction. Width spread is also reduced by the swing type forging because contact length has a large influence on a material’s lateral flow. Moreover, another 20 to 30% load reduction is confirmed and seizure on the forging dies was prevented by lubrication.
Journal
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 54 (10), 1951-1956, 2013
The Japan Institute of Metals and Materials
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Details 詳細情報について
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- CRID
- 1390282679225810560
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- NII Article ID
- 10031201547
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- NII Book ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BC3sXhvFKhurjF
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- ISSN
- 13475320
- 13459678
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- NDL BIB ID
- 024873118
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed