JPS5432144A - Electrolytic working method for united type turbine runner provided with twisted blades - Google Patents

Electrolytic working method for united type turbine runner provided with twisted blades

Info

Publication number
JPS5432144A
JPS5432144A JP9780677A JP9780677A JPS5432144A JP S5432144 A JPS5432144 A JP S5432144A JP 9780677 A JP9780677 A JP 9780677A JP 9780677 A JP9780677 A JP 9780677A JP S5432144 A JPS5432144 A JP S5432144A
Authority
JP
Japan
Prior art keywords
working method
turbine runner
type turbine
twisted blades
runner provided
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP9780677A
Other languages
Japanese (ja)
Inventor
Seiichi Komai
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP9780677A priority Critical patent/JPS5432144A/en
Publication of JPS5432144A publication Critical patent/JPS5432144A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING 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
    • B23H9/00Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/10Working turbine blades or nozzles

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

PURPOSE:To simultaneously work both the belly and the rear of each twisted blade by a time of feed of a predetermined electrode, by straight feeding the electrode from a direction through which the belly of each twisted blade and the adjacent rear can be seen at the same time, followed by working.
JP9780677A 1977-08-17 1977-08-17 Electrolytic working method for united type turbine runner provided with twisted blades Pending JPS5432144A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9780677A JPS5432144A (en) 1977-08-17 1977-08-17 Electrolytic working method for united type turbine runner provided with twisted blades

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9780677A JPS5432144A (en) 1977-08-17 1977-08-17 Electrolytic working method for united type turbine runner provided with twisted blades

Publications (1)

Publication Number Publication Date
JPS5432144A true JPS5432144A (en) 1979-03-09

Family

ID=14202006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9780677A Pending JPS5432144A (en) 1977-08-17 1977-08-17 Electrolytic working method for united type turbine runner provided with twisted blades

Country Status (1)

Country Link
JP (1) JPS5432144A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS566611A (en) * 1979-06-29 1981-01-23 Fujikura Ltd Method of laying cable to position having height difference
JPS566612A (en) * 1979-06-29 1981-01-23 Fujikura Ltd Method of laying cable to position having height difference
EP0227225A2 (en) * 1985-11-27 1987-07-01 Ex-Cell-O Corporation ECM machine with skewed workpart and pocketed cathodes
EP0327657A1 (en) * 1988-02-11 1989-08-16 Leistritz Aktiengesellschaft Method for making a bladed rotor
JP2008512258A (en) * 2004-09-09 2008-04-24 ブラドン ジェッツ リミテッド Fan and turbine
CN103216374A (en) * 2013-04-02 2013-07-24 河海大学 Low-specific speed small mixed flow water turbine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS566611A (en) * 1979-06-29 1981-01-23 Fujikura Ltd Method of laying cable to position having height difference
JPS566612A (en) * 1979-06-29 1981-01-23 Fujikura Ltd Method of laying cable to position having height difference
EP0227225A2 (en) * 1985-11-27 1987-07-01 Ex-Cell-O Corporation ECM machine with skewed workpart and pocketed cathodes
EP0327657A1 (en) * 1988-02-11 1989-08-16 Leistritz Aktiengesellschaft Method for making a bladed rotor
JP2008512258A (en) * 2004-09-09 2008-04-24 ブラドン ジェッツ リミテッド Fan and turbine
CN103216374A (en) * 2013-04-02 2013-07-24 河海大学 Low-specific speed small mixed flow water turbine

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