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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Development of a novel boring tool with anisotropic dynamic stiffness to avoid chatter vibration in cutting: Part 2: Analytical and experimental verification of the proposed method

http://hdl.handle.net/2237/0002001568
http://hdl.handle.net/2237/0002001568
bf4a3336-e1fb-4703-a390-a8d71c2c6fd0
名前 / ファイル ライセンス アクション
Part2_Development_of_a_novel_boring_tool.pdf Part2_Development_of_a_novel_boring_tool.pdf (1.6 MB)
Item type itemtype_ver1(1)
公開日 2021-10-26
タイトル
タイトル Development of a novel boring tool with anisotropic dynamic stiffness to avoid chatter vibration in cutting: Part 2: Analytical and experimental verification of the proposed method
言語 en
著者 Takahashi, Wataru

× Takahashi, Wataru

en Takahashi, Wataru

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Suzuki, Norikazu

× Suzuki, Norikazu

en Suzuki, Norikazu

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Shamoto, Eiji

× Shamoto, Eiji

en Shamoto, Eiji

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 © 2021. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0
キーワード
主題Scheme Other
主題 Cutting
キーワード
主題Scheme Other
主題 Chatter
キーワード
主題Scheme Other
主題 Boring
キーワード
主題Scheme Other
主題 Dynamic stiffness
キーワード
主題Scheme Other
主題 Anisotropy
キーワード
主題Scheme Other
主題 Stability
内容記述
内容記述タイプ Abstract
内容記述 In this study, we developed prototypes of boring tools with anisotropic dynamic stiffness, and their chatter stability was investigated analytically and experimentally. In Part 1, a novel design of boring tools with an anisotropic structure was proposed to improve the nominal stiffness in boring operation, thus resulting in higher chatter stability in simulation. In this part (Part 2), anisotropic boring tools with a holder length-to-diameter ratio (L/D) of 4 and 10 designed in Part 1 were prototyped, and their frequency response functions were evaluated. Then, the chatter stabilities were evaluated through turning experiments. With respect to a L/D4 boring tool with anisotropic structure, the nominal dynamic stiffness was significantly improved within the range of machining conditions that satisfies the appropriate combination of cutting force ratio and chip flow direction, compared to a conventional tool with isotropic structure. We confirmed that the proposed boring tool with an anisotropic structure increases the critical radial depth of cut by approximately 17 times compared with conventional tools. Even with an L/D10 anisotropic boring tool, a similar effect was observed wherein the dynamic stiffness of the tool was improved. In contrast, the effect of improving the dynamic stiffness was insufficient; thus, chatter free cutting could not be realized. Analytical investigations verified the importance of further improvement of dynamic characteristics. To realize stable boring with L/D10 boring tools, it is necessary to further reduce the system compliance while also improving the similarity of the frequency response function.
言語 en
出版者
出版者 Elsevier
言語 en
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
関連情報
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.precisioneng.2020.11.008
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 01416359
書誌情報 en : Precision Engineering

巻 68, p. 20-34, 発行日 2021-03
ファイル公開日
日付 2023-03-01
日付タイプ Available
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