金属AMを用いた電解加工用ポーラス電極の開発

Material type: 文書・図像類

Author: 小谷野, 智広ほか

Publisher: 金沢大学理工研究域機械工学系

Publication date: 2019-05-28

Material Format: Digital

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Note (General)：: 多孔質形状（ポーラス）を有する複雑構造体を一体で造形できるという金属粉末付加製造法（金属AM）の特徴を活用し，ポーラスを付与した新しい電解加工用電極（ポーラス電極）を開発した．本電極ではポーラスを電極の一部に設け，ポーラス部の空孔（直径数十μmから百μm程度）を電解液の吐出し口として電極間へ電解液を...

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https://kaken.nii.ac.jp/search/?qm=20707591

https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17K14569/

https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-17K14569/17K14569seika/

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Material Type: 文書・図像類
Title: 金属AMを用いた電解加工用ポーラス電極の開発
Author/Editor: 小谷野, 智広
Koyano, Tomohiro
Author Heading: 小谷野, 智広
Koyano, Tomohiro
Publication, Distribution, etc.: 金沢大学理工研究域機械工学系
Publication Date: 2019-05-28
Publication Date (W3CDTF): 2019-05-28
Alternative Title: Electrochemical machining using porous electrodes fabricated by additive manufacturing process
Periodical title: 平成30(2018)年度科学研究費補助金若手研究(B) 研究成果報告書 = 2018 Fiscal Year Final Research Report
No. or year of volume/issue: 2017-04-01 - 2019-03-31
Volume: 2017-04-01 - 2019-03-31
Pages: 5p.-
Text Language Code: jpn
Subject Heading: 電解加工
ポーラス
Additive Manufacturing
粉末床溶融結合法
空孔
電極振動
気泡混入
Target Audience: 一般
Note (General): 多孔質形状（ポーラス）を有する複雑構造体を一体で造形できるという金属粉末付加製造法（金属AM）の特徴を活用し，ポーラスを付与した新しい電解加工用電極（ポーラス電極）を開発した．本電極ではポーラスを電極の一部に設け，ポーラス部の空孔（直径数十μmから百μm程度）を電解液の吐出し口として電極間へ電解液を供給する．従来の工具電極では電解液の吐出し口が大きいため，吐出し口の直下で未加工部が生じるという問題があったが，ポーラス電極では吐出し口となる空孔が小さいので，加工面への影響を極めて小さくすることができた．
A new tool electrode having a porous structure, named porous electrode is developed for electrochemical machining (ECM). This electrode is fabricated using a powder bed fusion additive manufacturing process. Electrolyte fluid can be supplied to the machining gap through its permeable porous structure. Small pores and large porosity can be obtained using a higher laser scanning speed of sintering process, which increases the flow rate of the electrolyte. ECM results show that a flat surface is obtained with the developed porous electrode, and small pores are less likely to have an influence on the machined surface. In order to improve the roughness of the machined surface, jump motion of the tool electrode is applied, or air-bubbles are mixed into the electrolyte. The surface quality can be improved with both methods.
研究課題/領域番号:17K14569, 研究期間(年度):2017-04-01 - 2019-03-31
出典：研究課題「金属AMを用いた電解加工用ポーラス電極の開発」課題番号17K14569（KAKEN：科学研究費助成事業データベース（国立情報学研究所））（https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-17K14569/17K14569seika/）を加工して作成
DOI: 10.24517/00054373
Access Restrictions: 限定公開
Related Material: https://kaken.nii.ac.jp/search/?qm=20707591
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17K14569/
https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-17K14569/17K14569seika/
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 金沢大学 : 金沢大学学術情報リポジトリKURA