WO1997043073A1 - Procede de soudage horizontal et appareillage de soudage - Google Patents
Procede de soudage horizontal et appareillage de soudage Download PDFInfo
- Publication number
- WO1997043073A1 WO1997043073A1 PCT/JP1997/001533 JP9701533W WO9743073A1 WO 1997043073 A1 WO1997043073 A1 WO 1997043073A1 JP 9701533 W JP9701533 W JP 9701533W WO 9743073 A1 WO9743073 A1 WO 9743073A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- welding
- current
- wires
- heat source
- magnetic field
- Prior art date
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
- B23K15/00—Electron-beam welding or cutting
- B23K15/0046—Welding
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/1423—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the flow carrying an electric current
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/346—Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding
- B23K26/348—Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding in combination with arc heating, e.g. TIG [tungsten inert gas], MIG [metal inert gas] or plasma welding
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/06—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for positioning the molten material, e.g. confining it to a desired area
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/08—Arrangements or circuits for magnetic control of the arc
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
- B23K9/1675—Arc welding or cutting making use of shielding gas and of a non-consumable electrode making use of several electrodes
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
- B23K9/1735—Arc welding or cutting making use of shielding gas and of a consumable electrode making use of several electrodes
Definitions
- Kiyoaki Ki is at least concerned with the so-called transverse welding method and its mounting, which may deform the molten pool due to the shadow of force, especially smoke, bridges, and large steel such as power vessels.
- l.l '' 'J welding means that the joint is almost in contact with water and the joint is facing downwards. Welding of almost water fibers is performed with F facing from above, and transverse welding is defined as' welding to water T- while welding is almost water, n- heading, '/:
- The' j posture ' refers to the posture in which the' connection is almost ⁇ end- 'vertically.
- lateral welding is defined as the ⁇ 1 direct force between the base material surface to be welded and the horizontal plane, and more specifically, in the range of 45 ”to 90”. It is defined as a welding method in Norioka, where the line is almost water, and the ft formed by water f-iii] is 0 to 45 ".
- the present invention can be applied to a range that can be considered as an intermediary region between -upward, downward, and: direction welding. .
- An object of the present invention is to provide a horizontal welding method and a welding apparatus thereof that are capable of performing high-efficiency welding without causing welding defects such as a standard force and a uniform valve.
- the wood invention forms a molten pool by melting a base material by a heat source such as an arc, a laser, and an electro-beam, and forms the molten pool at least under the influence of force.
- a heat source such as an arc, a laser, and an electro-beam
- a current is applied to the weld pool almost in the direction of the weld line, and a magnetic field is applied to the weld pool in a direction substantially perpendicular to the direction of the front d 'flow. It is characterized in that welding is performed while generating a mouth locker.
- a later-described embodiment proposes a means for inserting a plurality of additive wires into the weld pool and flowing a current through the wire.
- the means is not necessarily limited to a plurality of additive wires as long as a current, preferably a unidirectional current, can be applied to the weld pool in the welding line direction.
- the arc and the laser are arranged so that an arc and a laser beam face a welding heat source of an electron beam and a molten pool formed by the heat source. It is characterized by comprising a plurality of added wires arranged, a power supply for supplying current to the wires, and a magnetic field for applying a magnetic field in a direction crossing the material to the iW weld pool. It is assumed that
- a shunt device for flowing a portion of the welding current to the additional wire.
- a plurality of additive wires (two trees in this case) 5a and 5b are connected to the wires on the minus side and the brass side of the power supply 2 for electricity supply, respectively, as shown in Fig. 1.
- the welding current may be diverted to the additional wire 5b as shown in FIG.
- the wires 5a and 5b are heated by Joule, and the welding speed of the wires is increased.
- the area of the wire that absorbs the radiant heat of the arc increases, and the melting ability of the wire increases.
- the welding method used is to provide a wire heating power supply 102 that also supplies electricity to the melting wire 101, in addition to the TIG arc power supply 100, and to move away from the material 7 by about 10 cm.
- the welding method power is supplied to the melting wire 101 and the wire 101 is heated by the resistance heating.
- the welding amount can be improved to about three times that of the ordinary method.
- the TIG hot-wire welding method and the Miki invention correspond in the point that power is supplied to the molten wire.
- the former considers that heating the wire by resistance heating and sending the wire in a semi-molten state into the molten pool is F-like, while Invention is almost welded through multiple additive wires T / JP97 / 01533
- the Laurenkka 11 is lifted up.
- the former has a single melted wire flowing in the wood, while the wood has almost the same weld line as the molten pool 12.
- ⁇ This is because a plurality of additive wires 5a and 5b are flowed in order to supply current to the Neither the api nor the added wires 5a, 5b need be solubilized wires.
- the magnetic field may be provided with a magnetic concentration ": [J step] in which magnetism is applied to the heat source in a concentrated manner.
- the wood invention is preferably applied to the case where the welding line is almost horizontal, and the force is at least in the molten pool. Welding force while generating a Lenz force in the direction of J ') can achieve the effect of the wood invention along the circle within the defined range of lateral welding that has been performed.
- FIG. 1 is an explanatory diagram showing a connection circuit in a horizontal welding apparatus according to a first embodiment of the present ⁇ -sword.
- FIG. 2 is an explanatory view showing a connection path in the horizontal G ′, J welding equipment according to the second embodiment of the wood invention.
- Fig. 3 is a schematic diagram for explaining the holding of molten metal in the horizontal welding method of the present invention.
- FIG. 4 is a metamorphic view of a bead shape in horizontal welding, (A) shows a state in which no magnetic field is applied, and (B) shows a cross-sectional view of the bead shape of the present invention.
- FIG. 5 is an explanatory diagram showing a connection circuit in a horizontal welding apparatus according to a third embodiment of the present invention.
- FIG. 6 is an explanatory diagram showing a connection circuit in a horizontal welding apparatus according to a fourth embodiment of the present invention.
- FIG. 7 is an explanatory view showing a connection circuit in a horizontal welding apparatus according to a fifth embodiment of the present invention, and (A) in FIG. 7 is an enlarged perspective view of a magnetic coil portion.
- FIG. 8 is an explanatory diagram showing a connection circuit in the horizontal welding apparatus according to the sixth protruding example of Kiyoaki Ki.
- FIG. 9 is a cross-sectional view showing a welded portion by a conventional welding method.
- m 10 is an explanatory diagram for reducing the welding equipment it in the conventional TIG hot wire welding method.
- W ⁇ 1, 3, and 4 are based on the first embodiment of wood-based njj, using arc heat for heat source 10, non-consumable electrode (tungsten 'electrode) for pole 13, and horizontal TIG welding method.
- the welding mode and the welding equipment are as follows.
- 1 is a welding power source, and [a: an electrode protruding from the welding torch 4 using a normal TIG welding river power source with constant current characteristics.
- An arc (heat source) is generated between 13 and / 5 material 7, and the base material 7 is melted by this arc heat.
- the arc heat source 10 is sandwiched between the molten pools 12 J: and the wires 5a and 5b are inserted.
- 3 ⁇ 4 Connect to the minus side and brass side of power supply 2 respectively, and configure so that current flows in the horizontal direction in the welding direction
- the power supply 2 for supplying current to the wire is set to a convection current so that a constant electric field can be formed.
- a part of the welding current may be diverted to the additional wire 5b by the shunt device 8 shown in FIG. 2 together with the wire power supply 2 or instead of the wire power supply 2.
- the shunt device 8 is constituted by a pair of variable resistors or the like, and is configured to be capable of varying the current supplied to the addition wire 5b.
- a magnetic coil 6 connected to the excitation power supply 3 is surrounded by the welding torch 4, and a magnetic field 9 can be applied upward from the bottom of FIG. 1 (in a direction perpendicular to the welding direction).
- a magnetic field 9 can be applied upward from the bottom of FIG. 1 (in a direction perpendicular to the welding direction).
- FIG. 3 when a current is applied between the additive wires 5a and 5b as shown in FIG. ) A one-way current A is formed.
- a magnetic field 9 is applied in a horizontal direction that intersects with the welding direction at right angles to the 1-Z direction current A and crosses the welding direction. Therefore, it is possible to obtain a weld bead having a bead shape having no irregularities.
- the wires 5a and 5b are heated by Joule heating by applying current to the additional wires 5a and 5b, so that the wires 5a and 5b are heated.
- the welding speed of b increases, the invention of the wooden application further increases the number of additional wires 5a and 5b, thus increasing the number of wires 5a and 5b that absorb the radiant heat of the arc heat source 10. Therefore, the melting ability of the wires 5a and 5b is increased.
- the effect of the wood example was confirmed from the bead shape by a bead-on-plate welding test.
- the welding current was DC: 500 A
- the wire current was DC: 120 A.
- the melting U speed of the wires 5a and 5b was 100 g / min, and the welding speed was 50 cm / min.
- the strength of the magnetic field 9 applied to the molten pool 12 is such that the magnetic coil 6 is wound around the TIG welding tip 4, and the excitation 11: 1
- the magnetic flux is changed by changing the magnetic flux.
- the flux density was changed by changing this current during welding.
- Fig. 4 shows the cross-sectional shape of the welded part when the magnetic field was not applied and when the magnetic flux density of 0.01 T (tesla) was obtained (the current from the excitation power supply 3 was
- the welded state by the bead-on plate method is shown, and it is apparent from comparison of these that the bead shape is improved in the reaction force direction by the method according to the present invention.
- FIG. 2 is an explanatory view showing a connection path in the horizontal welding apparatus iS according to the second embodiment of the present invention.
- a shunt device 8 is arranged at a location where the wire power supply 2 and the welding power source 1 are joined, and a part of the welding current supplied to the material 7 is shunted to add wire 5b.
- the shunt device 8 is composed of a pair of variable resistors and the like, and is configured to be able to vary the current supplied to the addition unit 5b.
- FIG. 5 is an explanatory view showing a connection path in the horizontal welding device according to the third embodiment of the wooden sword II.
- FIG. 5 is a project example 1 and a joint IG welding method.
- Additional wires 5a and 5b are sandwiched by an arc heat source 10.
- the additional wires 5a and 5b are arranged in parallel on the left and right sides of the arc heat source 10 so that a unidirectional current A flows to the lower side of the arc heat source 10 and the lower side of the arc heat source 10, respectively.
- the formation range of the directional current A is expanded, and the entire molten pool 12 is subjected to I: directional Lorentz force. The bead of S obtained.
- Reference numeral 6 denotes an explanation showing a connection circuit in the horizontal welding apparatus according to the fourth embodiment of the wooden sword.
- a consumable electrode 14 is used instead of the non-consumable electrode of FIG. 1 as an electrode for generating an arc using the arc as a heat source. Even in such a configuration, the same effect as in the sharp application example 1 was obtained.
- FIG. 7 is an explanatory view showing a connection circuit in a horizontal welding apparatus according to a fifth embodiment of the present invention using a laser as a heat source.
- a magnetic tape 61 of a frustum-shaped hollow taper is attached to the tip side of the magnetic coil 6 so that the laser beam 17 is in the middle of the dyeing position. Then, it is configured such that magnetism is applied.
- FIG. 8 is an explanatory view showing a connection circuit in a horizontal welding apparatus according to the sixth embodiment of the invention using an electron beam as a heat source.
- ⁇ In 1 9 is', t, 18 is!
- the ⁇ -lens is configured so that the electron beam 10 ′ is emitted with the base material as the focal point. Open the magnetic coil 6 around the base material 7 of the ⁇ 'beam 10'.
- V-'j 1 In each of the examples, the current in each of the additive wires 5a and 5b and the current flowing through the electromagnet were DC, but the current component was not changed even in the case of AC. It can be easily understood that the same effect as that of the I-flow field can be obtained by changing the ffiS, the duty ratio, and the phase control of the above two rare currents.
- Kibuki as described above, during horizontal welding, a magnetic field is applied to the weld pool so that current flows in the weld pool in the weld line direction and an upward (anti-gravity) mouth-to-lentz force is generated in the weld pool. In this way, the molten metal can be lifted up to .1 to prevent the molten metal from falling off.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding Control (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/983,357 US6023043A (en) | 1996-05-10 | 1997-05-07 | Method of welding in the horizontal position and welding apparatus therefor |
DE69717774T DE69717774T2 (de) | 1996-05-10 | 1997-05-07 | Verfahren zum horizontalschweissen und schweissvorrichtung |
JP54071797A JP3219413B2 (ja) | 1996-05-10 | 1997-05-07 | 横向溶接方法及びその溶接装置 |
EP97920937A EP0844039B1 (en) | 1996-05-10 | 1997-05-07 | Horizontal welding method and welding equipment |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14063896 | 1996-05-10 | ||
JP8/140638 | 1996-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997043073A1 true WO1997043073A1 (fr) | 1997-11-20 |
Family
ID=15273341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/001533 WO1997043073A1 (fr) | 1996-05-10 | 1997-05-07 | Procede de soudage horizontal et appareillage de soudage |
Country Status (5)
Country | Link |
---|---|
US (1) | US6023043A (ja) |
EP (1) | EP0844039B1 (ja) |
JP (1) | JP3219413B2 (ja) |
DE (1) | DE69717774T2 (ja) |
WO (1) | WO1997043073A1 (ja) |
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DE102021121146B4 (de) | 2021-08-13 | 2023-07-13 | Bundesrepublik Deutschland, vertreten durch den Bundesminister für Wirtschaft und Energie, dieser vertreten durch den Präsidenten der Bundesanstalt für Materialforschung und –prüfung (BAM) | Verwendung eines oszillierenden Magnetfeldes als Badstütze für Lichtbogenschweißverfahren, Lichtbogenschweißverfahren, Vorrichtung zum Durchführen desselben und selbstfahrende Schmelzbadstütze |
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WO2024002488A1 (en) * | 2022-06-30 | 2024-01-04 | Bundesrepublik Deutschland, Vertreten Durch Den Bundesminister Für Wirtschaft Und Klimaschutz, Dieser Vertreten Durch Den Präsidenten Der Bundesanstalt Für Materialforschung Und -Prüfung, (Bam) | Electromagnetic melt pool support in direct energy deposition based additive manufacturing processes |
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JPH08132231A (ja) * | 1994-11-11 | 1996-05-28 | Mitsubishi Heavy Ind Ltd | 横向き溶接方法及び横向き溶接装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4190760A (en) * | 1976-05-14 | 1980-02-26 | Kobe Steel, Ltd. | Welding apparatus with shifting magnetic field |
JPS63119980A (ja) * | 1986-11-05 | 1988-05-24 | Mitsubishi Heavy Ind Ltd | 横向姿勢溶接方法 |
-
1997
- 1997-05-07 EP EP97920937A patent/EP0844039B1/en not_active Expired - Lifetime
- 1997-05-07 US US08/983,357 patent/US6023043A/en not_active Expired - Lifetime
- 1997-05-07 DE DE69717774T patent/DE69717774T2/de not_active Expired - Lifetime
- 1997-05-07 JP JP54071797A patent/JP3219413B2/ja not_active Expired - Lifetime
- 1997-05-07 WO PCT/JP1997/001533 patent/WO1997043073A1/ja active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61232080A (ja) * | 1985-04-09 | 1986-10-16 | Nippon Kokan Kk <Nkk> | レ−ザ溶接方法 |
JPS6238768A (ja) * | 1985-08-14 | 1987-02-19 | Kobe Steel Ltd | 横向tigア−ク溶接方法 |
JPS63108973A (ja) * | 1986-10-23 | 1988-05-13 | Mitsubishi Heavy Ind Ltd | 磁気撹拌横向溶接方法 |
JPH08132231A (ja) * | 1994-11-11 | 1996-05-28 | Mitsubishi Heavy Ind Ltd | 横向き溶接方法及び横向き溶接装置 |
Non-Patent Citations (1)
Title |
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See also references of EP0844039A4 * |
Also Published As
Publication number | Publication date |
---|---|
US6023043A (en) | 2000-02-08 |
EP0844039A1 (en) | 1998-05-27 |
DE69717774D1 (de) | 2003-01-23 |
EP0844039B1 (en) | 2002-12-11 |
DE69717774T2 (de) | 2003-09-18 |
EP0844039A4 (en) | 1999-07-21 |
JP3219413B2 (ja) | 2001-10-15 |
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