CN106392274B - FGB method submerged arc single face welding and double face shaping welding procedure - Google Patents
FGB method submerged arc single face welding and double face shaping welding procedure Download PDFInfo
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- CN106392274B CN106392274B CN201611098294.1A CN201611098294A CN106392274B CN 106392274 B CN106392274 B CN 106392274B CN 201611098294 A CN201611098294 A CN 201611098294A CN 106392274 B CN106392274 B CN 106392274B
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- 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
- B23K9/18—Submerged-arc 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
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
- B23K33/004—Filling of continuous seams
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
- B23K35/3073—Fe as the principal constituent with Mn as next major constituent
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
- B23K35/3602—Carbonates, basic oxides or hydroxides
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/362—Selection of compositions of fluxes
-
- 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
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/035—Seam welding; Backing means; Inserts with backing means disposed under the seam
-
- 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
- B23K9/235—Preliminary treatment
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/18—Sheet panels
- B23K2101/185—Tailored blanks
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
Abstract
The invention discloses a kind of FGB method submerged arc single face welding and double face shaping welding procedures, comprising: docking forms groove after S1, two pieces of steel plate to be welded polishings;S2, pasting pad;S3, sintered flux is covered after filling alloy powder when the groove is V-butt, sintered flux is covered when the groove is I shape groove, the I shape groove or the V-butt after covering sintered flux draw welding wire for submerged-arc welding by submerged arc welding machine and carry out automatic one-pass molding welding, the parameter of welding are as follows: welding current 400-1200A, weldingvoltage 25-45V, speed of welding 10-80cm/min.The present invention passes through improvement sintered flux, the raw material ratio of components of alloy powder and ceramic backing, different welding manners is used according to welding steel thickness difference, the generation of angular deformation is effectively prevented on the basis of improving welding efficiency, the beneficial effect for having execute-in-place easy, applied widely.
Description
Technical field
The present invention relates to welding fields.It is more particularly related to a kind of FGB method submerged arc single face welding and double face shaping weldering
Connect technique.
Background technique
In the spelling of ship deck and curved slab, the concatenation construction of bridge steel structure floorings or other similar steel constructions
In plate construction operation, splice joint efficiency is everybody consistent pursuit.Using FCB method (flat section assembly line) welding jig,
Really the efficiency of steel plate splicing can be largely promoted, but this equipment cost is expensive, later maintenance cost is high.Cost phase
To lower double wire welding equipment, but double wire welding needs steel plate to carry out turn welding mostly, and reducing efficiency is first, having one
A little positions are not suitable for turning over operation, are especially embodied in the splicing of bridge floor plate.Use more traditional artificial CO now more2Bottoming
Semiautomatic submerged arc welding fills cover welding technology, and efficiency is lower, and welding quality relies heavily on the operation of welder, welding
Quality is difficult to ensure.Therefore, it needs to design the novel welding method of one kind to eliminate these defects.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of FGB method submerged arc single face welding and double face shaping welding procedures, by changing
The raw material ratio of components of kind sintered flux, alloy powder and ceramic backing uses different welding according to welding steel thickness difference
Mode is effectively prevented the generation of angular deformation on the basis of improving welding efficiency, and execute-in-place is easy, applied widely.
In order to realize these purposes and other advantages according to the present invention, a kind of FGB method submerged arc single face welding and double face is provided
Forming-welding technology, comprising the following steps:
S1, within steel plate to be welded is with a thickness of 12mm when, docking will form gap and be after the polishing of two pieces of steel plates to be welded
The I shape groove of 0-1mm;When steel plate to be welded is with a thickness of 12-25mm, the interface of two blocks of steel plates to be welded is processed and polished
Docking forms the V-butt that gap is 0-4mm afterwards, wherein the polishing is specially with sander that groove and groove two sides is each
The part of wide 15-30mm polish metallic luster, and the angle of the V-butt is 40-60 °;
S2, in the groove bottom surface, using the middle line of groove as center pasting pad, the liner successively includes from top to bottom
Glass fabric, ceramic backing block and aluminium foil pressure sensitive adhesive tape are provided with appearance of weld slot on the top surface of the ceramic backing block,
In, the glass fabric width is 50mm, and with a thickness of 0.5-2.5mm, the ceramic backing block includes the original of following parts by weight
Material: 40-60 parts of Al2O3, 4-8 parts of MgO, 30-40 parts of SiO2And 2-8 parts of K2O;
S3, when the groove be V-butt when into the V-butt fill alloy powder after in the V-butt position
Sintered flux is covered in the upper surface of alloy powder, when the groove is I shape groove, Xiang Suoshu I shape groove upper surface Yi Po
Sintered flux is covered centered on mouthful, the I shape groove or the V-butt after covering sintered flux are drawn by submerged arc welding machine
Welding wire for submerged-arc welding carries out automatic one-pass molding welding, wherein the alloy powder includes the raw material of following parts by weight: 95-100 parts
Fe, 0-4 parts Mn, 0-1 parts TiFe, 0-1 parts SiFe, 0-0.5 parts Ni and 0-0.5 parts of Mo, the sintered flux include following heavy
Measure the raw material of part: 25-35 parts MgO, 2-6 parts CaO, 10-20 parts of CaF2, 15-25 parts of Al2O3, 15-25 parts of SiO2, 0-2 parts of K2O、0-
4 parts of Na2O and 0-1 parts of CeO.
Preferably, the appearance of weld slot is arch, the groove width 8-14mm of the appearance of weld slot, groove depth 0.5-
1.5mm。
Preferably, the diameter of the welding wire for submerged-arc welding is 3.2-5.0mm.
Preferably, the sintered flux mesh number is 10-60 mesh.
Preferably, the alloy powder mesh number is 80-160 mesh.
Preferably, the parameter of the welding are as follows: welding current 400-1200A, weldingvoltage 25-45V, speed of welding
10-80cm/min。
The present invention is include at least the following beneficial effects:
The first, FGB method submerged arc single face welding and double face shaping welding procedure of the invention is applied widely, is mainly used for ship first
In the jigsaw construction operation of plate and curved slab, the concatenation construction of bridge steel structure floorings or other similar steel constructions, pass through
The raw material ratio of components for improving sintered flux, alloy powder and ceramic backing uses different welderings according to welding steel thickness difference
Mode is connect, the generation of angular deformation is effectively prevented on the basis of improving welding efficiency, execute-in-place is easy, and can satisfy
Single-side welding double-side forming avoids turn, and weld seam possesses fabulous low-temperature impact toughness, and efficiency significantly improves, effective to save
Cost of labor.
The second, select difference straight according to steel plate thickness in FGB method submerged arc single face welding and double face shaping welding procedure of the invention
The welding wire for submerged-arc welding of diameter, and the electric current welded according to the big minor adjustment of welding wire for submerged-arc welding diameter, voltage and speed parameter, can effectively control
Heating input, influences the deformation extent of high steel plate, weld seam one-pass molding, it is more effectively to avoid multilayer for the even tissue of weld seam
The defect of road welding line slag inclusion.
Sintered flux used in third, FGB method submerged arc single face welding and double face shaping welding procedure of the invention passes through conjunction
The proportion of reason complies with high alkalinity, the requirement of high-purity and then the physical property for improving weld metal, and it is good to obtain weld seam
Surface forming, and buried using the FGB method submerged arc single face welding and double face shaping welding procedure of invention relative to common submerged-arc welding
The dosage of arc-welding agent significantly reduces.
4th, alloy powder used in FGB method submerged arc single face welding and double face shaping welding procedure of the invention is guaranteeing
Continuity is welded, the comprehensive mechanical property of weld seam is able to ascend by reasonably matching, for steel plate gap and bevel edge misalignment feelings
Condition plays comfort cushioning, promotes welding capacity and improves welding efficiency.
5th, ceramic backing block used in FGB method submerged arc single face welding and double face shaping welding procedure of the invention, passes through
Its fusing point with higher is reasonably matched, the welding pool of high heat-input amount can be effectively set off.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is that the steel plate to be welded thickness of FGB method submerged arc single face welding and double face shaping welding procedure of the invention is less than or waits
Welding structure schematic diagram when 12mm;
Fig. 2 be FGB method submerged arc single face welding and double face shaping welding procedure of the invention steel plate to be welded thickness be greater than 12 and
Welding structure schematic diagram when less than or equal to 25mm.
Specific embodiment
Below with reference to embodiment and attached drawing, the present invention is described in further detail, to enable those skilled in the art's reference
Specification word can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
Embodiment 1
As shown in Figure 1, the present invention provides a kind of FGB method submerged arc single face welding and double face shaping welding procedure, comprising the following steps:
S1, by two pieces of steel plates to be welded 1 with a thickness of 6mm with sander by the part of each width 20mm of groove and groove two sides
Metallic luster is polished, with the place of blotting paper or dry wipe wiping polishing to remove moisture content or grieshoch etc., after polishing
Two pieces of steel plates to be welded 1 docking formed gap be 0mm I shape groove, and control two pieces of steel plates to be welded 1 misalignment and bevel edge
For 0mm;
S2, in the groove bottom surface, pasting width centered on groove middle line is 50mm, with a thickness of the glass fibers of 0.8mm
Tie up cloth 2, along the direction parallel with groove repeatedly scrape ceramic backing block 3 so that the bottom surface of glass fabric 2 and the groove
It is closely bonded, edge is vertical with groove, and the direction far from ceramic backing block 3 scrapes aluminium foil pressure sensitive adhesive tape 4 to consolidate ceramic backing
Block 3, wherein opening up bowed groove width 8mm, the weld seam of groove depth 0.5mm are provided on the top surface of the ceramic backing block 3
Forming tank 8, the ceramic backing block 3 include the raw material of following parts by weight: 55 parts of Al2O3, 4 parts of MgO, 35 parts of SiO2And 6 parts
K2O;
S3, Xiang Suoshu I shape groove median line top stack mesh number be 10-60 mesh sintered flux 5, pass through submerged arc welding machine
The welding wire for submerged-arc welding 6 that traction diameter is 3.2mm carries out automatic one-pass molding welding, welding current 500A, weldingvoltage 26V,
Speed of welding 60cm/min, wherein the amount ratio of the welding wire for submerged-arc welding 6 and the sintered flux 5 is 1:0.6, the alloyed powder
End 7 includes the raw material of following parts by weight: 95 parts of Fe, 3 parts of Mn, 0.5 part of TiFe, 0.5 part of SiFe, 0.5 part of Ni and 0.5 part of Mo,
The sintered flux 5 includes the raw material of following parts by weight: 35 parts of MgO, 4 parts of CaO, 15.5 parts of CaF2, 18 parts of Al2O3, 22 parts
SiO2, 1 part of K2O, 4 parts of Na2O and 0.5 part of CeO.
Embodiment 2
As shown in Figure 1, the present invention provides a kind of FGB method submerged arc single face welding and double face shaping welding procedure, comprising the following steps:
S1, by two pieces of steel plates to be welded 1 with a thickness of 6mm with sander by each width 15-30mm model of groove and groove two sides
Part in enclosing polish metallic luster, with the place of blotting paper or dry wipe wiping polishing to remove moisture content or grieshoch
Deng, by after polishing two pieces of steel plates to be welded 1 docking formed gap be 1mm I shape groove, detect two pieces of steel plates to be welded 1
Misalignment and bevel edge are 2mm;
S2, in the groove bottom surface, pasting width centered on groove middle line is 50mm, with a thickness of the glass fibers of 1.5mm
Tie up cloth 2, along the direction parallel with groove repeatedly scrape ceramic backing block 3 so that the bottom surface of glass fabric 2 and the groove
It is closely bonded, edge is vertical with groove, and the direction far from ceramic backing block 3 scrapes aluminium foil pressure sensitive adhesive tape 4 to consolidate ceramic backing
Block 3, wherein be provided with opening up bowed appearance of weld slot 8 on the top surface of the ceramic backing block 3, the weld seam at
The groove width 10mm of type groove 8, groove depth 0.9mm, the ceramic backing block 3 include the raw material of following parts by weight: 57 parts of Al2O3, 5 parts
MgO, 34 parts of SiO2And 4 parts of K2O;
S3, Xiang Suoshu I shape groove median line top stack mesh number be 10-60 mesh sintered flux 5, pass through submerged arc welding machine
The welding wire for submerged-arc welding 6 that traction diameter is 4.0mm carries out automatic one-pass molding welding, wherein welding current 450A, weldingvoltage 26V,
The amount ratio of speed of welding 50cm/min, the welding wire for submerged-arc welding 6 and the sintered flux 5 is 1:0.6, and the alloy powder 7 wraps
Include the raw material of following parts by weight: 96 parts of Fe, 2 parts of Mn, 0.5 part of TiFe, 0.5 part of SiFe, 0.5 part of Ni and 0.5 part of Mo, the burning
Tie the raw material that solder flux 5 includes following parts by weight: 33 parts of MgO, 6 parts of CaO, 10 parts of CaF2, 22 parts of Al2O3, 25 parts of SiO2, 2 parts of K2O、1
Part Na2O and 1 part of CeO.
Embodiment 3
As shown in Figure 1, the present invention provides a kind of FGB method submerged arc single face welding and double face shaping welding procedure, comprising the following steps:
S1, by two pieces of steel plates to be welded 1 with a thickness of 12mm with sander by each width 15-30mm model of groove and groove two sides
Part in enclosing polish metallic luster, with the place of blotting paper or dry wipe wiping polishing to remove moisture content or grieshoch
Deng, by after polishing two pieces of steel plates to be welded 1 docking formed gap be 0mm I shape groove, and control two pieces of steel plates to be welded 1
Misalignment and bevel edge be 0mm;
S2, in the groove bottom surface, pasting width centered on groove middle line is 50mm, with a thickness of the glass fibers of 1.0mm
Tie up cloth 2, along the direction parallel with groove repeatedly scrape ceramic backing block 3 so that the bottom surface of glass fabric 2 and the groove
It is closely bonded, edge is vertical with groove, and the direction far from ceramic backing block 3 scrapes aluminium foil pressure sensitive adhesive tape 4 to consolidate ceramic backing
Block 3, wherein opening up bowed groove width 10mm, the weldering of groove depth 0.7mm are provided on the top surface of the ceramic backing block 3
It is seamed into type groove 8, the ceramic backing block 3 includes the raw material of following parts by weight: 55 parts of Al2O3, 4 parts of MgO, 35 parts of SiO2And 6 parts
K2O;
S3, Xiang Suoshu I shape groove median line top stack mesh number be 10-60 mesh sintered flux 5, pass through submerged arc welding machine
The welding wire for submerged-arc welding 6 that traction diameter is 5mm carries out automatic one-pass molding welding, welding current 850A, weldingvoltage 32V, weldering
Meet speed 50cm/min, wherein the amount ratio of the welding wire for submerged-arc welding 6 and the sintered flux 5 is 1:0.6, the alloy powder 7
Raw material including following parts by weight: 95 parts of Fe, 3 parts of Mn, 0.5 part of TiFe, 0.5 part of SiFe, 0.5 part of Ni and 0.5 part of Mo, it is described
Sintered flux 5 includes the raw material of following parts by weight: 35 parts of MgO, 4 parts of CaO, 15.5 parts of CaF2, 18 parts of Al2O3, 22 parts of SiO2, 1 part
K2O, 4 parts of Na2O and 0.5 part of CeO.
Embodiment 4
As shown in Figure 1, the present invention provides a kind of FGB method submerged arc single face welding and double face shaping welding procedure, comprising the following steps:
S1, by two pieces of steel plates to be welded 1 with a thickness of 12mm with sander by each width 15-30mm model of groove and groove two sides
Part in enclosing polish metallic luster, with the place of blotting paper or dry wipe wiping polishing to remove moisture content or grieshoch
Deng, by after polishing two pieces of steel plates to be welded 1 docking formed gap be 1mm I shape groove
S2, in the groove bottom surface, pasting width centered on groove middle line is 50mm, with a thickness of the glass fibers of 1.2mm
Tie up cloth 2, along the direction parallel with groove repeatedly scrape ceramic backing block 3 so that the bottom surface of glass fabric 2 and the groove
It is closely bonded, edge is vertical with groove, and the direction far from ceramic backing block 3 scrapes aluminium foil pressure sensitive adhesive tape 4 to consolidate ceramic backing
Block 3, wherein opening up bowed groove width 11mm, the weldering of groove depth 0.5mm are provided on the top surface of the ceramic backing block 3
It is seamed into type groove 8, the ceramic backing block 3 includes the raw material of following parts by weight: 55 parts of Al2O3, 4 parts of MgO, 35 parts of SiO2And 6 parts
K2O;
S3, Xiang Suoshu I shape groove median line top stack mesh number be 10-60 mesh sintered flux 5, pass through submerged arc welding machine
The welding wire for submerged-arc welding 6 that traction diameter is 5mm carries out automatic one-pass molding welding, welding current 800A, weldingvoltage 32V, weldering
Meet speed 50cm/min, wherein the amount ratio of the welding wire for submerged-arc welding 6 and the sintered flux 5 is 1:0.6, the alloy powder 7
Raw material including following parts by weight: 96.2 parts of Fe, 2 parts of Mn, 0.5 part of TiFe, 1 part of SiFe, 0.2 part of Ni and 0.1 part of Mo, it is described
Sintered flux 5 includes the raw material of following parts by weight: 30 parts of MgO, 5 parts of CaO, 20 parts of CaF2, 20 parts of Al2O3, 20 parts of SiO2, 2 parts
K2O, 2 parts of Na2O and 1 part of CeO.
Embodiment 5
As shown in Fig. 2, the present invention provides a kind of FGB method submerged arc single face welding and double face shaping welding procedure, comprising the following steps:
S1, steel plate to be welded 1 are with a thickness of 20mm, by the interface processing of two blocks of steel plates to be welded and with sander by groove
And the part within the scope of each width 15-30mm in groove two sides polish metallic luster, is polished with blotting paper or dry wipe wiping
Place is to remove moisture content or grieshoch etc., and it is 1mm that two pieces of steel plates to be welded 1 docking after polishing, which is formed gap, and angle is 60 °
V-butt, and control the misalignment of two pieces of steel plates to be welded 1 and bevel edge is 2mm;
S2, in the groove bottom surface, pasting width centered on groove middle line is 50mm, with a thickness of the glass fibers of 2.1mm
Tie up cloth 2, along the direction parallel with groove repeatedly scrape ceramic backing block 3 so that the bottom surface of glass fabric 2 and the groove
It is closely bonded, edge is vertical with groove, and the direction far from ceramic backing block 3 scrapes aluminium foil pressure sensitive adhesive tape 4 to consolidate ceramic backing
Block 3, wherein be provided with opening up bowed appearance of weld slot 8 on the top surface of the ceramic backing block 3, the weld seam at
The groove width 12mm of type groove 8, groove depth 0.9mm, the ceramic backing block 3 include the raw material of following parts by weight: 50 parts of Al2O3, 6 parts
MgO, 39 parts of SiO2And 5 parts of K2O;
Filling mesh number is after 80-160 mesh alloy powder 7 to covering above the alloy powder 7 in S3, Xiang Suoshu V-butt
Lid mesh number is 10-60 mesh sintered flux 5, and drawing diameter by submerged arc welding machine is that 5.0mm welding wire for submerged-arc welding 6 carries out automatic one-pass molding
Welding, wherein welding current 960A, weldingvoltage 32V, speed of welding 20cm/min, the welding wire for submerged-arc welding 6, sintering weldering
The amount ratio of agent 5 and the alloy powder 7 is 1:0.4:0.3, and the alloy powder 7 includes the raw material of following parts by weight: 96.2
Part Fe, 2 parts of Mn, 0.5 part of TiFe, 1 part of SiFe, 0.2 part of Ni and 0.1 part of Mo, the sintered flux 5 include following parts by weight
Raw material: 30 parts of MgO, 5 parts of CaO, 20 parts of CaF2, 20 parts of Al2O3, 20 parts of SiO2, 2 parts of K2O, 2 parts of Na2O and 1 part of CeO.
Embodiment 6
As shown in Fig. 2, the present invention provides a kind of FGB method submerged arc single face welding and double face shaping welding procedure, comprising the following steps:
S1, steel plate to be welded 1 are with a thickness of 20mm, by the interface processing of two blocks of steel plates to be welded and with sander by groove
And the part within the scope of each width 15-30mm in groove two sides polish metallic luster, is polished with blotting paper or dry wipe wiping
Place is to remove moisture content or grieshoch etc., and it is 4mm that two pieces of steel plates to be welded 1 docking after polishing, which is formed gap, and angle is 40 °
V-butt, and control the misalignment of two pieces of steel plates to be welded 1 and bevel edge is 1mm;
S2, in the groove bottom surface, pasting width centered on groove middle line is 50mm, with a thickness of the glass fibers of 2.0mm
Tie up cloth 2, along the direction parallel with groove repeatedly scrape ceramic backing block 3 so that the bottom surface of glass fabric 2 and the groove
It is closely bonded, edge is vertical with groove, and the direction far from ceramic backing block 3 scrapes aluminium foil pressure sensitive adhesive tape 4 to consolidate ceramic backing
Block 3, wherein be provided with opening up bowed appearance of weld slot 8 on the top surface of the ceramic backing block 3, the weld seam at
The groove width 14mm of type groove 8, groove depth 1.5mm, the ceramic backing block 3 include the raw material of following parts by weight: 57 parts of Al2O3, 5 parts
MgO, 34 parts of SiO2And 4 parts of K2O;
Filling mesh number is after 80-160 mesh alloy powder 7 to covering above the alloy powder 7 in S3, Xiang Suoshu V-butt
Lid mesh number is 10-60 mesh sintered flux 5, and drawing diameter by submerged arc welding machine is that 5.0mm welding wire for submerged-arc welding 6 carries out automatic one-pass molding
Welding, wherein welding current 1020A, weldingvoltage 32V, speed of welding 22cm/min, the welding wire for submerged-arc welding 6, sintering weldering
The amount ratio of agent 5 and the alloy powder 7 is 1:0.4:0.3, and the alloy powder 7 includes the raw material of following parts by weight: 96.2
Part Fe, 2 parts of Mn, 0.5 part of TiFe, 1 part of SiFe, 0.2 part of Ni and 0.1 part of Mo, the sintered flux 5 include following parts by weight
Raw material: 35 parts of MgO, 4 parts of CaO, 15.5 parts of CaF2, 18 parts of Al2O3, 22 parts of SiO2, 1 part of K2O, 4 parts of Na2O and 0.5 part of CeO.
Embodiment 7
As shown in Fig. 2, the present invention provides a kind of FGB method submerged arc single face welding and double face shaping welding procedure, comprising the following steps:
S1, steel plate to be welded 1 are with a thickness of 25mm, by the interface processing of two blocks of steel plates to be welded and with sander by groove
And the part within the scope of each width 15-30mm in groove two sides polish metallic luster, is polished with blotting paper or dry wipe wiping
Place is to remove moisture content or grieshoch etc., and it is 2mm that two pieces of steel plates to be welded 1 docking after polishing, which is formed gap, and angle is 40 °
V-butt, and control the misalignment of two pieces of steel plates to be welded 1 and bevel edge is 2mm;
S2, in the groove bottom surface, pasting width centered on groove middle line is 45mm, with a thickness of the glass fibers of 2.1mm
Tie up cloth 2, along the direction parallel with groove repeatedly scrape ceramic backing block 3 so that the bottom surface of glass fabric 2 and the groove
It is closely bonded, edge is vertical with groove, and the direction far from ceramic backing block 3 scrapes aluminium foil pressure sensitive adhesive tape 4 to consolidate ceramic backing
Block 3, wherein be provided with opening up bowed appearance of weld slot 8 on the top surface of the ceramic backing block 3, the weld seam at
The groove width 12mm of type groove 8, groove depth 1.1mm, the ceramic backing block 3 include the raw material of following parts by weight: 50 parts of Al2O3, 6 parts
MgO, 39 parts of SiO2And 5 parts of K2O;
Filling mesh number is after 80-160 mesh alloy powder 7 to covering above the alloy powder 7 in S3, Xiang Suoshu V-butt
Lid mesh number is 10-60 mesh sintered flux 5, and drawing diameter by submerged arc welding machine is that 5.0mm welding wire for submerged-arc welding 6 carries out automatic one-pass molding
Welding, wherein welding current 1050A, weldingvoltage 34V, speed of welding 16cm/min, the welding wire for submerged-arc welding 6, sintering weldering
The amount ratio of agent 5 and the alloy powder 7 is 1:0.4:0.3, and the alloy powder 7 includes the raw material of following parts by weight: 95 parts
Fe, 3 parts of Mn, 0.5 part of TiFe, 0.5 part of SiFe, 0.5 part of Ni and 0.5 part of Mo, the sintered flux 5 include following parts by weight
Raw material: 35 parts of MgO, 4 parts of CaO, 15.5 parts of CaF2, 18 parts of Al2O3, 22 parts of SiO2, 1 part of K2O, 4 parts of Na2O and 0.5 part of CeO.
Embodiment 8
As shown in Fig. 2, the present invention provides a kind of FGB method submerged arc single face welding and double face shaping welding procedure, comprising the following steps:
S1, steel plate to be welded 1 are with a thickness of 25mm, by the interface processing of two blocks of steel plates to be welded and with sander by groove
And the part within the scope of each width 15-30mm in groove two sides polish metallic luster, is polished with blotting paper or dry wipe wiping
Place is to remove moisture content or grieshoch etc., and it is 4mm that two pieces of steel plates to be welded 1 docking after polishing, which is formed gap, and angle is 40 °
V-butt, and control the misalignment of two pieces of steel plates to be welded 1 and bevel edge is 2mm;
S2, in the groove bottom surface, pasting width centered on groove middle line is 50mm, with a thickness of the glass fibers of 1.8mm
Tie up cloth 2, along the direction parallel with groove repeatedly scrape ceramic backing block 3 so that the bottom surface of glass fabric 2 and the groove
It is closely bonded, edge is vertical with groove, and the direction far from ceramic backing block 3 scrapes aluminium foil pressure sensitive adhesive tape 4 to consolidate ceramic backing
Block 3, wherein be provided with opening up bowed appearance of weld slot 8 on the top surface of the ceramic backing block 3, the weld seam at
The groove width 11mm of type groove 8, groove depth 1.3mm, the ceramic backing block 3 include the raw material of following parts by weight: 50 parts of Al2O3, 6 parts
MgO, 39 parts of SiO2And 5 parts of K2O;
Filling mesh number is after 80-160 mesh alloy powder 7 to covering above the alloy powder 7 in S3, Xiang Suoshu V-butt
Lid mesh number is 10-60 mesh sintered flux 5, and drawing diameter by submerged arc welding machine is that 5.0mm welding wire for submerged-arc welding 6 carries out automatic one-pass molding
Welding, wherein welding current 1100A, weldingvoltage 36V, speed of welding 15cm/min, the welding wire for submerged-arc welding 6, sintering weldering
The amount ratio of agent 5 and the alloy powder 7 is 1:0.4:0.3, and the alloy powder 7 includes the raw material of following parts by weight: 96 parts
Fe, 2 parts of Mn, 0.5 part of TiFe, 0.5 part of SiFe, 0.5 part of Ni and 0.5 part of Mo, the sintered flux 5 include following parts by weight
Raw material: 33 parts of MgO, 6 parts of CaO, 10 parts of CaF2, 22 parts of Al2O3, 25 parts of SiO2, 2 parts of K2O, 1 part of Na2O and 1 part of CeO.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (6)
1. a kind of FGB method submerged arc single face welding and double face shaping welding procedure, which comprises the following steps:
S1, when steel plate to be welded thickness is less than or equal to 12mm, docking will form gap and be after the polishing of two pieces of steel plates to be welded
The I shape groove of 0-1mm;When steel plate to be welded thickness is greater than 12 and is less than or equal to 25mm, by two blocks of steel plates to be welded
Docking forms the V-butt that gap is 0-4mm after interface is processed and polished, wherein the polishing is specially with sander by slope
The part of mouth and each width 15-30mm in groove two sides polish metallic luster, and the angle of the V-butt is 40-60 °;
S2, in the groove bottom surface, using the middle line of groove as center pasting pad, it is described liner from top to bottom successively include glass
Fiber cloth, ceramic backing block and aluminium foil pressure sensitive adhesive tape are provided with appearance of weld slot on the top surface of the ceramic backing block, wherein
The glass fabric width is 50mm, and with a thickness of 0.5-2.5mm, the ceramic backing block includes the raw material of following parts by weight:
40-60 parts of Al2O3, 4-8 parts of MgO, 30-40 parts of SiO2And 2-8 parts of K2O;
S3, it is located at after filling alloy powder in the V-butt when the groove is V-butt into the V-butt and closes
The upper surface at bronze end covers sintered flux, and when the groove is I shape groove, Xiang Suoshu I shape groove upper surface is with groove
Center covers sintered flux, and the I shape groove or the V-butt after covering sintered flux draw submerged arc by submerged arc welding machine
Welding wire carries out automatic one-pass molding welding, wherein the alloy powder includes the raw material of following parts by weight: 95-100 parts of Fe, 0-4
Mn, 0-1 parts TiFe, 0-1 parts SiFe, 0-0.5 parts Ni and 0-0.5 parts of Mo of part, the sintered flux includes following parts by weight
Raw material: 25-35 parts MgO, 2-6 parts CaO, 10-20 parts of CaF2, 15-25 parts of Al2O3, 15-25 parts of SiO2, 0-2 parts of K2O, 0-4 parts
Na2O and 0-1 parts of CeO2;
When the groove is I shape groove, the amount ratio of the welding wire for submerged-arc welding and the sintered flux is 1:0.6, when the slope
The amount ratio of the welding wire for submerged-arc welding, the sintered flux and the alloy powder is 1:0.4:0.3 when mouthful being V-butt.
2. FGB method submerged arc single face welding and double face shaping welding procedure as described in claim 1, which is characterized in that the weld seam at
Type groove is arch, the groove width 8-14mm of the appearance of weld slot, groove depth 0.5-1.5mm.
3. FGB method submerged arc single face welding and double face shaping welding procedure as described in claim 1, which is characterized in that the submerged-arc welding
The diameter of silk is 3.2-5.0mm.
4. FGB method submerged arc single face welding and double face shaping welding procedure as described in claim 1, which is characterized in that the sintering weldering
Agent mesh number is 10-60 mesh.
5. FGB method submerged arc single face welding and double face shaping welding procedure as described in claim 1, which is characterized in that the alloyed powder
Last mesh number is 80-160 mesh.
6. FGB method submerged arc single face welding and double face shaping welding procedure as claimed in claim 3, which is characterized in that the parameter of welding
Are as follows: welding current 400-1200A, weldingvoltage 25-45V, speed of welding 10-80cm/min.
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TWI731278B (en) * | 2018-11-20 | 2021-06-21 | 施凱元 | Submerged arc welding method |
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Denomination of invention: FGB submerged arc single side welding and double side forming welding process Effective date of registration: 20220119 Granted publication date: 20190503 Pledgee: Bank of China Limited Wuhan Hanyang sub branch Pledgor: WUHAN TIANGAO WELDING Co.,Ltd. Registration number: Y2022420000018 |