JPS55103294A - Electroslag melting method - Google Patents

Electroslag melting method

Info

Publication number
JPS55103294A
JPS55103294A JP1044479A JP1044479A JPS55103294A JP S55103294 A JPS55103294 A JP S55103294A JP 1044479 A JP1044479 A JP 1044479A JP 1044479 A JP1044479 A JP 1044479A JP S55103294 A JPS55103294 A JP S55103294A
Authority
JP
Japan
Prior art keywords
electrode
faying
shaft
bearing support
end surface
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
JP1044479A
Other languages
Japanese (ja)
Inventor
Takeshi Wada
Tetsuo Okuni
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1044479A priority Critical patent/JPS55103294A/en
Priority to US06/085,301 priority patent/US4326580A/en
Priority to DE2941849A priority patent/DE2941849C2/en
Publication of JPS55103294A publication Critical patent/JPS55103294A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

Landscapes

  • Hydraulic Turbines (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

PURPOSE: To achieve the optimization of material used by forming a bearing support part and blade of stainless steel through electroslag melting to the top end of a mild steel shaft.
CONSTITUTION: The faying end surface of a mild steel shaft 11 is formed in concave form and electrodes 22, 23, 24 are provided in the water cooled copper strappings 13, 14 which are lower in starting part as compared to the outside edge part of the faying end surface and are formed with gaps between the outside edge part of the faying end surface. Specified flux is then supplied. Current is supplied between the shaft 11 and electrode 22 to melt the flux with the arc. Then, the arc extinguishes and the electrode 22 is melted by the resistance heat of the molten slag. Thence, the electrode 22 is lowered to be kept melted, whereby a bearing support 31 is formed on the faying surface 12 of the shaft 11. Next, water cooled copper strappings 18, 19 are mounted and slags 29, 30 are held in slag chambers 20, 21. When the electrode 22 is lowered, the electrode 22 melts in the molten slag, whereby a blades 22 and bearing support part 33 are formed.
COPYRIGHT: (C)1980,JPO&Japio
JP1044479A 1978-10-16 1979-02-02 Electroslag melting method Pending JPS55103294A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1044479A JPS55103294A (en) 1979-02-02 1979-02-02 Electroslag melting method
US06/085,301 US4326580A (en) 1978-10-16 1979-10-16 Method of fabricating a structural member by electro slag forming
DE2941849A DE2941849C2 (en) 1978-10-16 1979-10-16 Process for the production of structural parts by electro-slag remelting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1044479A JPS55103294A (en) 1979-02-02 1979-02-02 Electroslag melting method

Publications (1)

Publication Number Publication Date
JPS55103294A true JPS55103294A (en) 1980-08-07

Family

ID=11750314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1044479A Pending JPS55103294A (en) 1978-10-16 1979-02-02 Electroslag melting method

Country Status (1)

Country Link
JP (1) JPS55103294A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107876739A (en) * 2017-12-13 2018-04-06 沈阳市盛华特种铸造有限公司 A kind of method of rotary wheel of water turbine three-dimension curved surface blade electroslag smelting casting straight forming

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107876739A (en) * 2017-12-13 2018-04-06 沈阳市盛华特种铸造有限公司 A kind of method of rotary wheel of water turbine three-dimension curved surface blade electroslag smelting casting straight forming

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