CN109715331B - 放电加工方法及放电加工装置 - Google Patents

放电加工方法及放电加工装置 Download PDF

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Publication number
CN109715331B
CN109715331B CN201780057576.3A CN201780057576A CN109715331B CN 109715331 B CN109715331 B CN 109715331B CN 201780057576 A CN201780057576 A CN 201780057576A CN 109715331 B CN109715331 B CN 109715331B
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China
Prior art keywords
blade
discharge machining
electrical discharge
workpiece
electrode
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CN201780057576.3A
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English (en)
Chinese (zh)
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CN109715331A (zh
Inventor
桥本拓郎
赤城弘一
藤田直也
绪方孝信
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Mitsubishi Power Ltd
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Mitsubishi Hitachi Power Systems Ltd
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    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
    • F01D25/285—Temporary support structures, e.g. for testing, assembling, installing, repairing; Assembly methods using such structures
    • 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
    • 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
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/321—Application in turbines in gas turbines for a special turbine stage
    • F05D2220/3216—Application in turbines in gas turbines for a special turbine stage for a special compressor stage
    • F05D2220/3219—Application in turbines in gas turbines for a special turbine stage for a special compressor stage for the last stage of a compressor or a high pressure compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/10—Manufacture by removing material
    • F05D2230/12—Manufacture by removing material by spark erosion methods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/68—Assembly methods using auxiliary equipment for lifting or holding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
CN201780057576.3A 2016-11-25 2017-10-17 放电加工方法及放电加工装置 Active CN109715331B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016-228780 2016-11-25
JP2016228780A JP6747946B2 (ja) 2016-11-25 2016-11-25 放電加工方法及び放電加工装置
PCT/JP2017/037433 WO2018096837A1 (ja) 2016-11-25 2017-10-17 放電加工方法及び放電加工装置

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CN109715331A CN109715331A (zh) 2019-05-03
CN109715331B true CN109715331B (zh) 2020-08-04

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US (1) US11241749B2 (https=)
JP (1) JP6747946B2 (https=)
KR (1) KR102225716B1 (https=)
CN (1) CN109715331B (https=)
DE (1) DE112017005989B4 (https=)
WO (1) WO2018096837A1 (https=)

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* Cited by examiner, † Cited by third party
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EP4481209B1 (en) * 2023-06-19 2025-11-12 Rolls-Royce plc Fixture for components
KR102632888B1 (ko) * 2023-08-25 2024-02-05 김기일 리버스 방전가공장치
KR102907125B1 (ko) * 2025-07-02 2026-01-05 전만복 전기 방전 장치

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CN106077859A (zh) * 2016-06-30 2016-11-09 徐工集团工程机械有限公司 去除金属工件毛刺的方法及装置

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JPH0373221A (ja) * 1989-08-09 1991-03-28 Shizuoka Seiki Co Ltd 電解仕上げ加工方法
CN2342925Y (zh) * 1997-11-28 1999-10-13 辽宁工学院 非导电材料超声电解放电复合加工装置
CN1650047A (zh) * 2002-09-24 2005-08-03 石川岛播磨重工业株式会社 高温构件的擦动面的涂覆方法及高温构件和放电表面处理用电极
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CN1823403A (zh) * 2003-07-15 2006-08-23 株式会社荏原制作所 电解处理装置和电解处理方法
EP1870189A1 (de) * 2006-05-31 2007-12-26 Siemens Aktiengesellschaft Verfahren zur funkenerosiven Bearbeitung eines elektrisch nicht leitenden Materials
CN101704142A (zh) * 2009-11-19 2010-05-12 沈阳黎明航空发动机(集团)有限责任公司 一种钛合金大尺寸叶片电解加工方法
CN103056462A (zh) * 2011-10-24 2013-04-24 沈阳黎明航空发动机(集团)有限责任公司 一种叶片型面电解阴极模具保护装置的设计方法
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CN103624350A (zh) * 2013-11-21 2014-03-12 盐城工学院 一种整体叶盘叶片电解精加工成形装置及其整体叶盘叶片加工成形方法
CN104708131A (zh) * 2013-12-13 2015-06-17 通用电气公司 加工装置和加工方法
CN105209203A (zh) * 2014-03-27 2015-12-30 三菱电机株式会社 放电加工装置
CN205096674U (zh) * 2015-10-13 2016-03-23 哈尔滨理工大学 一种电火花成型加工用工具和工件电极的装夹装置
CN105397218A (zh) * 2015-12-08 2016-03-16 四川成发航空科技股份有限公司 航空发动机导向叶片封严槽的电火花加工方法
CN106077859A (zh) * 2016-06-30 2016-11-09 徐工集团工程机械有限公司 去除金属工件毛刺的方法及装置

Also Published As

Publication number Publication date
JP6747946B2 (ja) 2020-08-26
DE112017005989T5 (de) 2019-08-08
DE112017005989B4 (de) 2025-05-22
CN109715331A (zh) 2019-05-03
KR20190042041A (ko) 2019-04-23
WO2018096837A1 (ja) 2018-05-31
US11241749B2 (en) 2022-02-08
JP2018083265A (ja) 2018-05-31
KR102225716B1 (ko) 2021-03-09
US20190291197A1 (en) 2019-09-26

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