Development of Structural Design Method for Twisted Wires Suspension
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- Kumamoto Haruki
- Department of Precision Engineering, School of Engineering, Tokai University
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- Saka Kenji
- Department of Research and Development TOTOKU ELECTRIC CO., LTD.
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- Yoshida Kazunari
- Department of Precision Engineering, School of Engineering, Tokai University
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- Kubota Hiroaki
- Department of Precision Engineering, School of Engineering, Tokai University
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Abstract
<p>Copper alloy suspension wires are used in the optical pickups and image stabilization mechanisms of mobile cameras. The durability of suspension wires used in mobile cameras is greatly affected by the increase in the weight of the lens assembly as makers improve the image quality of the camera. Therefore, the durability of the wire needs improvement. In this study, the stress reduction effect of twisted suspension wires was investigated using finite element method (FEM) analysis. In addition, a practical equation was obtained to facilitate the structural design. From this study, the following conclusions were obtained. In contrast to the conventional single-wire structure, the twisted wire structure enables a significant reduction in the stress generated while maintaining the stiffness. A simple formula that approximates the results of many FEM analyses was developed to enable rapid product design.</p><p> </p><p>This Paper was Originally Published in Japanese in J. Japan Inst. Copper 61 (2022) 339–343.</p>
Journal
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 64 (8), 1969-1973, 2023-08-01
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
- 1390859835690399104
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- NII Book ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL BIB ID
- 032974030
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
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- Abstract License Flag
- Disallowed