JPS5785685A - Electroslag welding method - Google Patents

Electroslag welding method

Info

Publication number
JPS5785685A
JPS5785685A JP16070780A JP16070780A JPS5785685A JP S5785685 A JPS5785685 A JP S5785685A JP 16070780 A JP16070780 A JP 16070780A JP 16070780 A JP16070780 A JP 16070780A JP S5785685 A JPS5785685 A JP S5785685A
Authority
JP
Japan
Prior art keywords
slag
groove
electrode
flux
welding
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
JP16070780A
Other languages
Japanese (ja)
Inventor
Bunichi Hoshino
Masayuki Ishikawa
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 JP16070780A priority Critical patent/JPS5785685A/en
Publication of JPS5785685A publication Critical patent/JPS5785685A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K25/00—Slag welding, i.e. using a heated layer or mass of powder, slag, or the like in contact with the material to be joined

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

PURPOSE:To melt welding materials by the resistance heat of slag and perform electroslag welding without using filler metal by inserting an electrode horizontally into the slag center in a groove, and flowing electric current through molten slag between the same and the welding materials. CONSTITUTION:An electrode 1 is inserted to the central part of the groove of a start tab 6; a flux is filled in the groove, and an arc is generated between the electrode 1 and the tab 6 to melt the flux, whereby molten slag 2 is formed. At this time, the outflow of the slag 2 from the end parts of the groove is prevented by a back copper shoe 8 and a front copper shoe 9, and the flux is supplied until the molten slag 2 contacts with the bottom end of groove faces 4. Thereafter, the electrode 1 is moved upward and the upper groove faces 4 of the slag 2 are melted successively, whereby the welding is shifted upward while molten metal 5 is formed in the lower part of the slag 2.
JP16070780A 1980-11-17 1980-11-17 Electroslag welding method Pending JPS5785685A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16070780A JPS5785685A (en) 1980-11-17 1980-11-17 Electroslag welding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16070780A JPS5785685A (en) 1980-11-17 1980-11-17 Electroslag welding method

Publications (1)

Publication Number Publication Date
JPS5785685A true JPS5785685A (en) 1982-05-28

Family

ID=15720719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16070780A Pending JPS5785685A (en) 1980-11-17 1980-11-17 Electroslag welding method

Country Status (1)

Country Link
JP (1) JPS5785685A (en)

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