WO1981002430A1 - Method and device for plasma-arc remelting the surface layer of a plane metallic workpiece with parallel edges - Google Patents

Method and device for plasma-arc remelting the surface layer of a plane metallic workpiece with parallel edges Download PDF

Info

Publication number
WO1981002430A1
WO1981002430A1 PCT/SU1980/000032 SU8000032W WO8102430A1 WO 1981002430 A1 WO1981002430 A1 WO 1981002430A1 SU 8000032 W SU8000032 W SU 8000032W WO 8102430 A1 WO8102430 A1 WO 8102430A1
Authority
WO
WIPO (PCT)
Prior art keywords
workpiece
plasma
arc
edges
burners
Prior art date
Application number
PCT/SU1980/000032
Other languages
French (fr)
Russian (ru)
Inventor
B Paton
K Tolstopyatov
A Bukalo
J Modelkin
G Torkhov
V Topilin
G Melnik
B Sokolkin
J Latash
L Tager
V Kedrin
S Guschin
N Reida
M Kljuev
I Pryanishnikov
S Andrianov
Original Assignee
Elektrosvarki Inst Patona
B Paton
K Tolstopyatov
A Bukalo
J Modelkin
G Torkhov
V Topilin
G Melnik
B Sokolkin
J Latash
L Tager
V Kedrin
S Guschin
N Reida
M Kljuev
I Pryanishnikov
S Andrianov
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 Elektrosvarki Inst Patona, B Paton, K Tolstopyatov, A Bukalo, J Modelkin, G Torkhov, V Topilin, G Melnik, B Sokolkin, J Latash, L Tager, V Kedrin, S Guschin, N Reida, M Kljuev, I Pryanishnikov, S Andrianov filed Critical Elektrosvarki Inst Patona
Priority to AT0914180A priority Critical patent/AT381055B/en
Priority to PCT/SU1980/000032 priority patent/WO1981002430A1/en
Priority to JP55501144A priority patent/JPS57500461A/ja
Priority to GB8132048A priority patent/GB2082029B/en
Priority to DE19803050278 priority patent/DE3050278C2/en
Publication of WO1981002430A1 publication Critical patent/WO1981002430A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/16—Remelting metals
    • C22B9/22—Remelting metals with heating by wave energy or particle radiation
    • C22B9/226—Remelting metals with heating by wave energy or particle radiation by electric discharge, e.g. plasma
    • 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
    • B23K10/00—Welding or cutting by means of a plasma
    • B23K10/003—Scarfing, desurfacing or deburring
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Arc Welding In General (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Furnace Details (AREA)

Abstract

The method provides for placing a plane workpiece (1) in its initial position horizontally between cooled beams (2 and 3) of a crystallizer. Plasma-arc burners (6) are placed in a row above the workpiece (1) and across its parallel edges (1a and 1b) so that the anode spots of the extreme burners (6a and 6b) are limited by the edges of the workpiece (1). A plasma-arc generating gas and electric current are fed to the plasma-arc burners (6), the workpiece thus being heated and a bath (8) of molten metal being produced on it, its length being equal to the distance between the edges (1a and 1b) of the workpiece (1). The workpiece (1) and the plasma-arc burners (6) being moved in relation to each other in a horizontal plane and along the edges (1a and 1b) of the workpiece (1), the displacement of the bath (8) of the molten metal is thus ensured along the surface of the workpiece (1). As a result a remelted surface layer is obtained on the workpiece its thickness being equal to the depth of the bath (8). A device implementing this method comprises a pressurized chamber (11) and a crystallizer mounted therein and including two beams (2 and 3) which are oriented in a horizontal plane and are parallel to each other. Plasma-arc burners (6) connected through supply lines (12, 13, 14) to sources of a plasma-arc generating gas, of electric current and cooling water are mounted inside the chamber (11) on shafts (17). Each of the shafts (17) is mounted by means of a seal bushing (18) in the wall of the chamber (11) so that its axis is parallel to the beams (2, 3) and is provided with a drive (24) for its own axial rotation. The device is further provided with a drive for reciprocal displacement of the workpiece (1) and the shafts (17) in a plane parallel to the beams (2, 3), that drive being connected with at least one of the elements participating in the said displacement.
PCT/SU1980/000032 1980-02-27 1980-02-27 Method and device for plasma-arc remelting the surface layer of a plane metallic workpiece with parallel edges WO1981002430A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT0914180A AT381055B (en) 1980-02-27 1980-02-27 PROCESS FOR PLASMA ARC MELTING OF THE SURFACE LAYER OF A FLAT METAL WORKPIECE WITH SIMULTANEOUS SIDE EDGES, AND SYSTEM FOR IMPLEMENTING THE PROCESS
PCT/SU1980/000032 WO1981002430A1 (en) 1980-02-27 1980-02-27 Method and device for plasma-arc remelting the surface layer of a plane metallic workpiece with parallel edges
JP55501144A JPS57500461A (en) 1980-02-27 1980-02-27
GB8132048A GB2082029B (en) 1980-02-27 1980-02-27 Method and device for plasma-arc remelting the surface layer of a plane metallic workpiece with parallel edges
DE19803050278 DE3050278C2 (en) 1980-02-27 1980-02-27 Method and device for plasma arc remelting of the surface layer of a flat metal workpiece

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
WOSU80/00032 1980-02-27
PCT/SU1980/000032 WO1981002430A1 (en) 1980-02-27 1980-02-27 Method and device for plasma-arc remelting the surface layer of a plane metallic workpiece with parallel edges

Publications (1)

Publication Number Publication Date
WO1981002430A1 true WO1981002430A1 (en) 1981-09-03

Family

ID=21616593

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SU1980/000032 WO1981002430A1 (en) 1980-02-27 1980-02-27 Method and device for plasma-arc remelting the surface layer of a plane metallic workpiece with parallel edges

Country Status (5)

Country Link
JP (1) JPS57500461A (en)
AT (1) AT381055B (en)
DE (1) DE3050278C2 (en)
GB (1) GB2082029B (en)
WO (1) WO1981002430A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2603506B1 (en) * 1987-05-05 1992-02-07 Inst Elektroswarki Patona INSTALLATION FOR PLASMA REFUSION OF THE SURFACE LAYER OF METAL INGOTS
US5008511C1 (en) * 1990-06-26 2001-03-20 Univ British Columbia Plasma torch with axial reactant feed

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3474218A (en) * 1966-01-10 1969-10-21 Air Reduction Electron beam conditioning ingot and slab surfaces
DE1558730B2 (en) * 1966-09-13 1970-10-29 British Iron Steel Research Method and device for electro-slag refining
US3820586A (en) * 1971-11-08 1974-06-28 Ulvac Corp Apparatus for sweeping the beam from a plasma electron gun on the surface of a mold of a continuous ingot casting device
SU324863A1 (en) * 1970-06-29 1977-12-05 Институт Электросварки Им.Е.О.Патона Method of working ingots

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO119507B (en) * 1964-04-15 1970-05-25 Union Carbide Corp
JPS4923974A (en) * 1972-07-03 1974-03-02
JPS5424249A (en) * 1977-07-27 1979-02-23 Nippon Steel Corp Scarfing method by plasma wide arc for matallic material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3474218A (en) * 1966-01-10 1969-10-21 Air Reduction Electron beam conditioning ingot and slab surfaces
DE1558730B2 (en) * 1966-09-13 1970-10-29 British Iron Steel Research Method and device for electro-slag refining
SU324863A1 (en) * 1970-06-29 1977-12-05 Институт Электросварки Им.Е.О.Патона Method of working ingots
US3820586A (en) * 1971-11-08 1974-06-28 Ulvac Corp Apparatus for sweeping the beam from a plasma electron gun on the surface of a mold of a continuous ingot casting device

Also Published As

Publication number Publication date
GB2082029B (en) 1984-05-31
JPS57500461A (en) 1982-03-18
AT381055B (en) 1986-08-25
DE3050278C2 (en) 1986-06-26
DE3050278T1 (en) 1982-04-15
GB2082029A (en) 1982-02-24
ATA914180A (en) 1986-01-15

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