NO330344B1 - Fremgangsmate for fremstilling av en rotor for sentrifugalkompressorer - Google Patents

Fremgangsmate for fremstilling av en rotor for sentrifugalkompressorer Download PDF

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Publication number
NO330344B1
NO330344B1 NO20015822A NO20015822A NO330344B1 NO 330344 B1 NO330344 B1 NO 330344B1 NO 20015822 A NO20015822 A NO 20015822A NO 20015822 A NO20015822 A NO 20015822A NO 330344 B1 NO330344 B1 NO 330344B1
Authority
NO
Norway
Prior art keywords
electrode
rotor
blades
shape
stage
Prior art date
Application number
NO20015822A
Other languages
English (en)
Norwegian (no)
Other versions
NO20015822L (no
NO20015822D0 (no
Inventor
Umberto Mariotti
Verter Battistini
Original Assignee
Nuovo Pignone Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nuovo Pignone Spa filed Critical Nuovo Pignone Spa
Publication of NO20015822D0 publication Critical patent/NO20015822D0/no
Publication of NO20015822L publication Critical patent/NO20015822L/no
Publication of NO330344B1 publication Critical patent/NO330344B1/no

Links

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
    • 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
    • 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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • 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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2205—Conventional flow pattern
    • F04D29/2222—Construction and assembly
    • 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
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
    • 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
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49236—Fluid pump or compressor making
    • Y10T29/49243—Centrifugal type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
NO20015822A 2000-11-30 2001-11-29 Fremgangsmate for fremstilling av en rotor for sentrifugalkompressorer NO330344B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2000MI002595A IT1319495B1 (it) 2000-11-30 2000-11-30 Procedimento per la realizzazione di un rotore per compressoricentrifughi.

Publications (3)

Publication Number Publication Date
NO20015822D0 NO20015822D0 (no) 2001-11-29
NO20015822L NO20015822L (no) 2002-05-31
NO330344B1 true NO330344B1 (no) 2011-03-28

Family

ID=11446154

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20015822A NO330344B1 (no) 2000-11-30 2001-11-29 Fremgangsmate for fremstilling av en rotor for sentrifugalkompressorer

Country Status (7)

Country Link
US (1) US6676826B2 (OSRAM)
EP (1) EP1211009B1 (OSRAM)
JP (1) JP2002235694A (OSRAM)
AU (1) AU9145401A (OSRAM)
DE (1) DE60142880D1 (OSRAM)
IT (1) IT1319495B1 (OSRAM)
NO (1) NO330344B1 (OSRAM)

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* Cited by examiner, † Cited by third party
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SE518806C2 (sv) * 2001-03-14 2002-11-26 Volvo Aero Corp Förfarande och anordning för framställning av en stator- eller rotorkomponent
ITMI20021876A1 (it) 2002-09-03 2004-03-04 Nuovo Pignone Spa Procedimento migliorato per realizzare un rotore di un
GB0304321D0 (en) 2003-02-26 2003-04-02 Bladon Jets Ltd Fans and turbines
GB0420022D0 (en) * 2004-09-09 2004-10-13 Bladon Jets Ltd Fans and turbines
US8313300B2 (en) 2007-06-14 2012-11-20 Christianson Systems, Inc. Rotor for centrifugal compressor
CN101368573B (zh) * 2008-09-08 2010-06-02 奇瑞汽车股份有限公司 一种水泵叶轮
JP5215803B2 (ja) * 2008-10-06 2013-06-19 三菱重工業株式会社 遠心回転機のインペラの製造方法
EP2177298A1 (de) * 2008-10-20 2010-04-21 Sulzer Markets and Technology AG Herstellungsverfahren für geschlossene Laufräder
JP5107306B2 (ja) 2009-06-10 2012-12-26 三菱重工業株式会社 遠心回転機のインペラの製造方法及び遠心回転機のインペラ
IT1396512B1 (it) * 2009-10-21 2012-12-14 Nuovo Pignone Spa Metodo e dispositivo per compensazione di utensile
US8387504B2 (en) * 2011-01-06 2013-03-05 General Electric Company Fiber-reinforced Al-Li compressor airfoil and method of fabricating
JP5606358B2 (ja) 2011-02-24 2014-10-15 三菱重工業株式会社 インペラ及びこれを備えたロータ並びにインペラの製造方法
JP2013047479A (ja) 2011-08-29 2013-03-07 Mitsubishi Heavy Ind Ltd インペラ及びこれを備えた回転機械並びにインペラの製造方法
JP5907723B2 (ja) 2011-12-26 2016-04-26 三菱重工業株式会社 回転機械の製造方法
RU2488026C1 (ru) * 2012-02-21 2013-07-20 Закрытое Акционерное Общество "Русский Вентилятор" (Зао "Рувен") Лопатка рабочего колеса радиального вентилятора
RU2522700C1 (ru) * 2013-03-21 2014-07-20 Открытое акционерное общество Научно-производственное объдинение "Искра" Ротор центробежного компрессора
CN103212760B (zh) * 2013-04-08 2016-01-13 南京航空航天大学 一种等截面叶型带冠整体叶轮叶间流道加工方法
RU2525037C1 (ru) * 2013-04-19 2014-08-10 ФГБОУ ВПО "Уральский государственный горный университет" Рабочее колесо центробежного вентилятора
ITUA20162126A1 (it) * 2016-03-30 2017-09-30 Exergy Spa Metodo per la costruzione di dischi palettati per turbomacchine radiali e disco palettato ottenuto tramite tale metodo
JP6693827B2 (ja) 2016-07-22 2020-05-13 株式会社放電精密加工研究所 一体型インペラの製造方法
IT201900015773A1 (it) * 2019-09-06 2021-03-06 Nuovo Pignone Tecnologie Srl Processo e apparecchio a scarica elettrica per la lavorazione di pezzi allungati.
CN110732841B (zh) * 2019-10-21 2021-05-14 山西汾西重工有限责任公司 避免应力集中释放的圆柱状薄壁铸造壳体分瓣切割方法
CN111687505B (zh) * 2020-05-19 2021-06-15 南京航空航天大学 双叶片套料电解加工装置及其加工方法
CN114932281B (zh) * 2022-06-07 2023-07-28 江苏集萃精密制造研究院有限公司 航空发动机叶片精密电解用前后缘阴极三要素设计方法

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US1774279A (en) * 1926-08-23 1930-08-26 Emil R Lochman Electric tracer-control machine for die sinking and the like
US3372099A (en) * 1963-05-01 1968-03-05 John E. Clifford Electrochemical machining using a multisegmented electrode with individual current control for each segment
US3288699A (en) 1964-02-12 1966-11-29 Ex Cell O Corp Apparatus for electrochemical shaping
DE6907998U (de) * 1969-02-28 1969-07-17 Siemens Ag Turbomaschine, insbesondere gasturbine der axialbauart
NL7203180A (OSRAM) * 1972-03-10 1973-09-12
US4653976A (en) 1982-09-30 1987-03-31 General Electric Company Method of compressing a fluid flow in a multi stage centrifugal impeller
US4502837A (en) 1982-09-30 1985-03-05 General Electric Company Multi stage centrifugal impeller
FR2570970B1 (fr) * 1984-09-28 1994-06-03 Meon Fils Ets Procede d'usinage applique notamment aux augets de roues de turbine, les moyens et la machine de mise en oeuvre de ce procede.
US4851090A (en) * 1987-05-13 1989-07-25 General Electric Company Method and apparatus for electrochemically machining airfoil blades
EP0295206A1 (fr) * 1987-06-10 1988-12-14 Charmilles Technologies S.A. Dispositif pour fixer un outil selon différentes orientations
JPH0796166B2 (ja) 1988-03-01 1995-10-18 エーピーシーエアロスペシャルティ株式会社 一体型翼車の電解加工方法および電解加工装置
JPH01271126A (ja) 1988-04-20 1989-10-30 Mitsubishi Electric Corp 放電加工方法
IT1238201B (it) * 1989-11-03 1993-07-09 Varian Spa Metodo di fabbricazione mediante elettroerosione di una girante o di un rotore a una o piu' giranti di una turbopompa, particolarmente di una pompa turbomolecolare, e prodotti cosi' ottenuti.
JP2939310B2 (ja) * 1990-08-14 1999-08-25 株式会社ソディック 放電加工装置

Also Published As

Publication number Publication date
DE60142880D1 (de) 2010-10-07
US6676826B2 (en) 2004-01-13
NO20015822L (no) 2002-05-31
NO20015822D0 (no) 2001-11-29
ITMI20002595A1 (it) 2002-05-30
IT1319495B1 (it) 2003-10-20
JP2002235694A (ja) 2002-08-23
AU9145401A (en) 2002-06-06
EP1211009B1 (en) 2010-08-25
US20020062561A1 (en) 2002-05-30
EP1211009A1 (en) 2002-06-05

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