DE112017005989B4 - Funkenerodierverfahren und funkenerodiervorrichtung - Google Patents

Funkenerodierverfahren und funkenerodiervorrichtung Download PDF

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Publication number
DE112017005989B4
DE112017005989B4 DE112017005989.5T DE112017005989T DE112017005989B4 DE 112017005989 B4 DE112017005989 B4 DE 112017005989B4 DE 112017005989 T DE112017005989 T DE 112017005989T DE 112017005989 B4 DE112017005989 B4 DE 112017005989B4
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Germany
Prior art keywords
blade
spark erosion
electrode
discharge machining
electrical discharge
Prior art date
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Active
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DE112017005989.5T
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German (de)
English (en)
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DE112017005989T5 (de
Inventor
Takuro Hashimoto
Koichi Akagi
Naoya Fujita
Takanobu Ogata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
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Mitsubishi Heavy Industries Ltd
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Publication of DE112017005989T5 publication Critical patent/DE112017005989T5/de
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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
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • 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
    • 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
    • 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
    • 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)
DE112017005989.5T 2016-11-25 2017-10-17 Funkenerodierverfahren und funkenerodiervorrichtung Active DE112017005989B4 (de)

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

Publications (2)

Publication Number Publication Date
DE112017005989T5 DE112017005989T5 (de) 2019-08-08
DE112017005989B4 true DE112017005989B4 (de) 2025-05-22

Family

ID=62196177

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112017005989.5T Active DE112017005989B4 (de) 2016-11-25 2017-10-17 Funkenerodierverfahren und funkenerodiervorrichtung

Country Status (6)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (6)

* Cited by examiner, † Cited by third party
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JPS5548539A (en) * 1978-05-30 1980-04-07 Rolls Royce Electrode assembled body for electrochemical working device
DE4012878A1 (de) * 1989-05-10 1990-11-15 Mitsubishi Electric Corp Mehrfachbearbeitungsverfahren und -geraet
DE19706220A1 (de) * 1996-02-19 1997-11-06 Inst Tech Precision Eng Verfahren und Vorrichtung für die Bearbeitung mittels elektrischer Entladung
DE69500808T2 (de) * 1994-02-28 1998-04-23 United Technologies Corp Verfahren zur herstellung von profilierten durchgangsöffnungen
JP2010274412A (ja) * 2009-05-28 2010-12-09 General Electric Co <Ge> 形彫り放電加工装置
FR2951101A1 (fr) * 2009-10-08 2011-04-15 Snecma Procede et dispositif de percage d' une piece d'une turbomachine

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SG155059A1 (en) 2003-06-11 2009-09-30 Ishikawajima Harima Heavy Ind Repair method for machine component, production method of restored machine component, production method of machine component, gas turbine engine, electric spark machine, repair method for turbine component and production method for restored turbine compo
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Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5548539A (en) * 1978-05-30 1980-04-07 Rolls Royce Electrode assembled body for electrochemical working device
DE4012878A1 (de) * 1989-05-10 1990-11-15 Mitsubishi Electric Corp Mehrfachbearbeitungsverfahren und -geraet
DE69500808T2 (de) * 1994-02-28 1998-04-23 United Technologies Corp Verfahren zur herstellung von profilierten durchgangsöffnungen
DE19706220A1 (de) * 1996-02-19 1997-11-06 Inst Tech Precision Eng Verfahren und Vorrichtung für die Bearbeitung mittels elektrischer Entladung
JP2010274412A (ja) * 2009-05-28 2010-12-09 General Electric Co <Ge> 形彫り放電加工装置
FR2951101A1 (fr) * 2009-10-08 2011-04-15 Snecma Procede et dispositif de percage d' une piece d'une turbomachine

Also Published As

Publication number Publication date
JP6747946B2 (ja) 2020-08-26
DE112017005989T5 (de) 2019-08-08
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
CN109715331B (zh) 2020-08-04

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