JPWO2014073453A1 - 電極、前記電極を用いた電解加工装置、電解加工方法、及びその方法によって加工された加工品 - Google Patents
電極、前記電極を用いた電解加工装置、電解加工方法、及びその方法によって加工された加工品 Download PDFInfo
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- JPWO2014073453A1 JPWO2014073453A1 JP2014545673A JP2014545673A JPWO2014073453A1 JP WO2014073453 A1 JPWO2014073453 A1 JP WO2014073453A1 JP 2014545673 A JP2014545673 A JP 2014545673A JP 2014545673 A JP2014545673 A JP 2014545673A JP WO2014073453 A1 JPWO2014073453 A1 JP WO2014073453A1
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- 238000003672 processing method Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title description 12
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 36
- 239000000956 alloy Substances 0.000 claims description 36
- 229910001040 Beta-titanium Inorganic materials 0.000 claims description 19
- 229910021535 alpha-beta titanium Inorganic materials 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000013078 crystal Substances 0.000 claims description 9
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 8
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 29
- 230000008859 change Effects 0.000 description 14
- 239000008151 electrolyte solution Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 238000003754 machining Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000012809 cooling fluid Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
- B23H3/04—Electrodes specially adapted therefor or their manufacture
- B23H3/06—Electrode material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
- B23H3/02—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
- B23H3/04—Electrodes specially adapted therefor or their manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/10—Working turbine blades or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
- B23H9/16—Making holes using an electrolytic jet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/22—Electrodes specially adapted therefor or their manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/26—Apparatus for moving or positioning electrode relatively to workpiece; Mounting of electrode
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
Description
Claims (10)
- 所定の曲率で形成された第1孔とは異なる方向又は異なる曲率の第2孔を、前記第1孔に連結して形成することが可能な材料を用いる芯管と、
前記芯管の外周に固着された被覆と、
を備える
ことを特徴とする電極。 - 前記芯管は、ベータチタン合金からなる
ことを特徴とする請求項1に記載の電極。 - 前記芯管は、アルファベータチタン合金からなる
ことを特徴とする請求項1に記載の電極。 - 前記芯管は、ベータチタン合金を加工し、パイプ状に形成した後、熱処理を施すことによって、金属結晶組成を変更したアルファベータチタン合金からなる
ことを特徴とする請求項1に記載の電極。 - 前記芯管は、ベータチタン合金又はアルファベータチタン合金を加工し、パイプ状に形成した後、熱処理を施すことによって、金属結晶組成を変更したアルファチタン合金からなる
ことを特徴とする請求項1に記載の電極。 - 前記芯管は、形状記憶合金からなる
ことを特徴とする請求項1に記載の電極。 - 被加工物を載置するテーブルと、
請求項1乃至6のいずれか1つに記載の電極と、
前記被加工物に対向して電極を進退可能に駆動する電極駆動部と、
前記電極と前記被加工物に所定の電圧を印加すると共に、電極駆動部を制御する制御部と、
前記電極の前記芯管内から前記被加工物に供給される電解液と、
を備える
ことを特徴とする電解加工装置。 - 所定の曲率に設定された電極により、被加工物に第1孔を形成する工程と、
前記電極を所定の軸を中心として回転させた後、前記電極が、前記第1孔を通過し、前記第1孔に連結して第2孔を形成する工程と、
を有する
ことを特徴とする電解加工方法。 - 所定の第1曲率に設定された第1電極により、被加工物に第1孔を形成する工程と、
前記第1電極とは異なる第2曲率に設定された第2電極が、前記第1孔を通過し、前記第1孔に連結して第2孔を形成する工程と、
を有する
ことを特徴とする電解加工方法。 - 請求項8又は9に記載の電解加工方法によって加工される
ことを特徴とする加工品。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012246103 | 2012-11-08 | ||
JP2012246103 | 2012-11-08 | ||
PCT/JP2013/079602 WO2014073453A1 (ja) | 2012-11-08 | 2013-10-31 | 電極、前記電極を用いた電解加工装置、電解加工方法、及びその方法によって加工された加工品 |
Publications (2)
Publication Number | Publication Date |
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JPWO2014073453A1 true JPWO2014073453A1 (ja) | 2016-09-08 |
JP6308678B2 JP6308678B2 (ja) | 2018-04-11 |
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JP2014545673A Active JP6308678B2 (ja) | 2012-11-08 | 2013-10-31 | 電極、前記電極を用いた電解加工装置、電解加工方法、及びその方法によって加工された加工品 |
Country Status (5)
Country | Link |
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US (3) | US10369646B2 (ja) |
EP (1) | EP2918363B1 (ja) |
JP (1) | JP6308678B2 (ja) |
CN (1) | CN104903040B (ja) |
WO (1) | WO2014073453A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014225618A1 (de) * | 2014-12-11 | 2016-06-16 | Mahle International Gmbh | Verfahren zur Herstellung eines Hohlventils |
CN104588804A (zh) * | 2015-01-06 | 2015-05-06 | 常州先进制造技术研究所 | 一种弯曲深小孔电解加工装置 |
CN106346092B (zh) * | 2016-08-31 | 2019-11-22 | 四川航天烽火伺服控制技术有限公司 | 一种壳体盲孔弯道的加工方法 |
CN106862685B (zh) * | 2017-02-24 | 2019-05-17 | 哈尔滨工业大学深圳研究生院 | 一种使用平面薄金属片电极的电解电火花加工方法 |
JP7141816B2 (ja) * | 2017-07-18 | 2022-09-26 | 三菱重工業株式会社 | 電解加工方法、孔あき部材の製造方法、加工用電極、及び、電解加工システム |
US20190134729A1 (en) * | 2017-11-07 | 2019-05-09 | General Electric Company | Shape-tube electrochemical machining (stem) systems and methods of forming curved holes in components using stem systems |
CN108274084B (zh) * | 2018-01-19 | 2019-10-11 | 广东工业大学 | 一种电解加工装置 |
JP6607986B2 (ja) | 2018-03-09 | 2019-11-20 | 三菱重工業株式会社 | 加工位置補正装置および電解加工装置 |
CN108817582B (zh) * | 2018-06-15 | 2020-06-09 | 江苏大学 | 一种用于电解加工中阴极绝缘的装置 |
TWI720442B (zh) * | 2019-03-20 | 2021-03-01 | 財團法人金屬工業研究發展中心 | 封閉式輪葉之電化學加工裝置 |
CN112404616B (zh) * | 2020-11-13 | 2021-12-07 | 合肥工业大学 | 一种电火花成形加工复杂型腔的装置及方法 |
CN113410663B (zh) * | 2021-05-20 | 2023-02-07 | 深圳大学 | 一种电极组件及孔加工的方法 |
CN113441800B (zh) * | 2021-06-30 | 2022-10-11 | 重庆理工大学 | 一种基于热胀冷缩驱动的空间曲线长孔加工装置 |
CN114160894A (zh) * | 2021-11-11 | 2022-03-11 | 南京航空航天大学 | 形状记忆合金柔性电极自主可控变形电加工方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0751948A (ja) * | 1993-08-05 | 1995-02-28 | Nissan Motor Co Ltd | 曲がり穴加工方法および曲がり穴加工装置 |
JP2000042834A (ja) * | 1998-07-30 | 2000-02-15 | Denso Corp | 放電加工装置 |
JP2001081537A (ja) * | 1999-09-10 | 2001-03-27 | Tokusen Kogyo Co Ltd | βチタン合金細線の製造方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3445372A (en) * | 1965-12-13 | 1969-05-20 | Westinghouse Electric Corp | Apparatus for electrochemically removing the surface layer from a workpiece |
GB8907252D0 (en) * | 1989-03-31 | 1989-05-17 | Lucas Ind Plc | Forming passages in workpieces |
US5002643A (en) * | 1990-01-05 | 1991-03-26 | Andrews James D | Electrode with outside flow of electrolyte for electrochemical machining and method |
US5306401A (en) * | 1993-03-15 | 1994-04-26 | Fierkens Richard H J | Method for drilling cooling holes in turbine blades |
JPH07314258A (ja) | 1994-05-30 | 1995-12-05 | Nissan Motor Co Ltd | 曲がり穴加工方法および曲がり穴加工装置 |
DE4428207A1 (de) * | 1994-08-09 | 1996-02-15 | Bmw Rolls Royce Gmbh | Turbinen-Laufradscheibe mit gekrümmtem Kühlluftkanal sowie Herstellverfahren hierfür |
JP3715239B2 (ja) * | 1999-08-16 | 2005-11-09 | 住友チタニウム株式会社 | 据え込み鍛造性に優れるチタン材およびその製造方法 |
US6402859B1 (en) | 1999-09-10 | 2002-06-11 | Terumo Corporation | β-titanium alloy wire, method for its production and medical instruments made by said β-titanium alloy wire |
US7575418B2 (en) | 2004-09-30 | 2009-08-18 | General Electric Company | Erosion and wear resistant protective structures for turbine components |
JP2009024223A (ja) * | 2007-07-20 | 2009-02-05 | Nec Tokin Corp | 歯科用ワイヤーとその製造方法 |
JP5086884B2 (ja) * | 2008-05-13 | 2012-11-28 | ダンロップスポーツ株式会社 | ゴルフクラブヘッド及びその製造方法 |
US9101734B2 (en) * | 2008-09-09 | 2015-08-11 | Biosense Webster, Inc. | Force-sensing catheter with bonded center strut |
US8535491B2 (en) * | 2009-09-18 | 2013-09-17 | General Electric Company | Electrochemical machining assembly with curved electrode |
US8523527B2 (en) * | 2010-03-10 | 2013-09-03 | General Electric Company | Apparatus for cooling a platform of a turbine component |
-
2013
- 2013-10-31 WO PCT/JP2013/079602 patent/WO2014073453A1/ja active Application Filing
- 2013-10-31 EP EP13852618.1A patent/EP2918363B1/en active Active
- 2013-10-31 US US14/440,374 patent/US10369646B2/en active Active
- 2013-10-31 JP JP2014545673A patent/JP6308678B2/ja active Active
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0751948A (ja) * | 1993-08-05 | 1995-02-28 | Nissan Motor Co Ltd | 曲がり穴加工方法および曲がり穴加工装置 |
JP2000042834A (ja) * | 1998-07-30 | 2000-02-15 | Denso Corp | 放電加工装置 |
JP2001081537A (ja) * | 1999-09-10 | 2001-03-27 | Tokusen Kogyo Co Ltd | βチタン合金細線の製造方法 |
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JP6308678B2 (ja) | 2018-04-11 |
CN104903040A (zh) | 2015-09-09 |
US20180185943A1 (en) | 2018-07-05 |
US10661369B2 (en) | 2020-05-26 |
EP2918363B1 (en) | 2020-09-23 |
US10369646B2 (en) | 2019-08-06 |
WO2014073453A1 (ja) | 2014-05-15 |
US20150273603A1 (en) | 2015-10-01 |
US11179790B2 (en) | 2021-11-23 |
EP2918363A4 (en) | 2016-06-29 |
EP2918363A1 (en) | 2015-09-16 |
US20200261993A1 (en) | 2020-08-20 |
CN104903040B (zh) | 2018-03-30 |
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