| 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
Suzuki, Norikazu
Shamoto, Eiji
|
| 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 |
Part2_Development_of_a_novel_boring_tool.pdf (1.6 MB)
