CN104801821A - Steel plate butt welding method - Google Patents
Steel plate butt welding method Download PDFInfo
- Publication number
- CN104801821A CN104801821A CN201410353666.5A CN201410353666A CN104801821A CN 104801821 A CN104801821 A CN 104801821A CN 201410353666 A CN201410353666 A CN 201410353666A CN 104801821 A CN104801821 A CN 104801821A
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- steel plate
- welding
- weld
- steel
- welding method
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Classifications
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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
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/0203—Inserts
-
- 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
-
- 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
- B23K2101/16—Bands or sheets of indefinite length
Abstract
The invention discloses a steel plate butt welding method for butt welding of a first steel plate with certain thickness and a second steel plate with certain thickness. The method comprises the steps of transition structure providing; chamfering: chamfering the ends of the first steel plate and the second steel plate to be welded to form slopes; location: locating the first steel plate, the second steel plate and the transition structure to enable a required angle to be formed between the first steel plate and the second steel plate and enable the transition structure to be located between the first steel plate and the second steel plate; first steel plate welding: welding the first steel plate and the transition structure; second steel plate welding: welding the second steel plate and the transition structure. According to the method, the welding is simple to perform, the quality is good, and the method is applicable to butt welding among small-angle steel plates.
Description
Technical field
The present invention relates to sheet material docking welding method, particularly a kind of low-angle steel plate docking welding method.
Background technology
In current various build process, such as, in the building course of boats and ships and ocean platform, due to design and the needs of ship type, there will be sheet material and carry out docking assembled demand with less angle (such as 15 ° ~ 90 °) with sheet material.
Traditional method is, after two block plate precise positionings, first welds in the one side of a block plate; Then after the process of another side back chipping, welding is continued; Finally polish smooth.First this traditional processing method affects aesthetic property, and most important defect is, causes operating space narrow and small because the angle between two sheet materials is little, and therefore welding operation difficulty is large; And precise positioning is also very difficult, be difficult to reach requirement; Backing run must use thin welding rod to weld in case burn in addition, and filling weld seam needs a large amount of deposited metal, and it is concentrated easily to form stress at the root of weld, affects welding quality.
Disclosed in described background technology part, above-mentioned information is only for strengthening the understanding to background of the present invention, and therefore it can comprise the information do not formed prior art known to persons of ordinary skill in the art.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of welding operation simple, and matter measured steel plate docking welding method.
Additional aspect of the present invention and advantage will partly be set forth in the following description, and partly will become obvious from description, or can the acquistion by practice of the present invention.
According to an aspect of the present invention, a kind of steel plate docking welding method, for docking welded together by first steel plate with the first thickness with second steel plate with the second thickness.Described steel plate docking welding method comprises the following steps:
One transition structure is provided;
Finished edge step: process described first steel plate and the second steel plate one end to be welded forms groove;
Positioning step: locate described first steel plate, the second steel plate and transition structure, makes to form required angle between described first steel plate, the second steel plate, and makes described transition structure between described first steel plate and the second steel plate;
Weld the first steel plate step: weld the first steel plate and described transition structure;
Weld the second steel plate step: weld the second steel plate and described transition structure.
According to an embodiment of the present invention, described transition structure is a round steel or square steel.
According to an embodiment of the present invention, the diameter of described round steel or the thickness of described square steel are not less than the greater in the first thickness of described first steel plate and the second thickness of the second steel plate.
According to an embodiment of the present invention, described round steel or described side's steel grade are not less than the higher person in described first steel plate and the second steel plate.
According to an embodiment of the present invention, described groove is " V " shape groove or " K " shape groove.
According to an embodiment of the present invention, in described positioning step, make between described first steel plate and the second steel plate, to form 15 ° ~ 90 ° angles.
According to an embodiment of the present invention, before described welding first steel plate step and/or before described welding second steel plate step, also preheating step is comprised separately.
According to an embodiment of the present invention, described welding first steel plate and/or described welding second steel plate are full penetration.
According to an embodiment of the present invention, described welding first steel plate comprises the steps: first to weld in described first steel plate side according to welding conditions, carry out back chipping and the process of dorsal part carbon plane again, then weld at described first steel plate dorsal part, weld grinding is smooth; And/or described welding second steel plate comprises the steps: first to weld in described second steel plate side according to welding conditions, then carry out back chipping and the process of dorsal part carbon plane, then weld at described second steel plate dorsal part, weld grinding is smooth.
According to an embodiment of the present invention, with welding in the second steel plate also to comprise, nondestructive inspection step is carried out to the weld seam formed and transition structure at welding first steel plate.
As shown from the above technical solution, advantage of the present invention and good effect are:
In steel plate docking welding method of the present invention, transition structure is provided with between the first steel plate and the second steel plate, the space between the first steel plate and the second steel plate is made to become large, thus facilitate welding operation, reduce welding difficulty, reduce the welding deformation caused thus, ensure that welding quality, steel plate docking welding method of the present invention is specially adapted to the assembled welding between low-angle steel plate.
Meanwhile, to be welded with transition structure by the first steel plate and the second steel plate welds with transition structure and indirectly achieves welding of the first steel plate and the second steel plate.Solve the problem that the root of weld stress that generally occurs in welding procedure between traditional low-angle steel plate is concentrated, significantly improve welding quality.
Accompanying drawing explanation
Describe its example embodiment in detail by referring to accompanying drawing, above-mentioned and further feature of the present invention and advantage will become more obvious.
Fig. 1 represents the schematic diagram of steel plate of the present invention docking welding method first embodiment.
Fig. 2 represents the schematic diagram of steel plate of the present invention docking welding method second embodiment.
Detailed description of the invention
More fully example embodiment is described referring now to accompanying drawing.But example embodiment can be implemented in a variety of forms, and should not be understood to be limited to embodiment set forth herein; On the contrary, these embodiments are provided to make the present invention comprehensively with complete, and the design of example embodiment will be conveyed to those skilled in the art all sidedly.Reference numeral identical in figure represents same or similar structure, thus will omit their detailed description.
Embodiment 1
As shown in Figure 1, steel plate docking welding method one embodiment of the present invention, for docking welded together by the first steel plate 10 with the second steel plate 20.In present embodiment, with the first steel plate 10 be thickness for 25mm, and grade is the floor of ABS-A level, and the second steel plate 20 is thickness is 14mm, and grade is the floor of ABS-B level, and requires that the angle α between floor and floor is 73 ° and is described for example.
Certainly, in other embodiments, the thickness of the first steel plate 10 can be identical with the second steel plate 20 thickness, and rank also can be identical.Angle between first steel plate 10 and the second steel plate 20 also can adjust as required, and such as, angle α between the first steel plate 10 and the second steel plate 20, between 15 ° ~ 90 °, is also even feasible lower than 15 ° between 10 ° ~ 14 °.
Steel plate docking welding method one embodiment of the present invention comprises the following steps:
S1, provides a transition structure 30.
In present embodiment, transition structure 30 is a round steel, certainly not as limit.In other embodiments, the steel bar of transition structure 30 can also to be cross sectional shape be ellipse, polygon etc., as square steel etc.
The diameter of round steel 30 is the twice of floor 10, i.e. 50mm.Certainly not as limit, as long as the diameter of round steel 30 is more than or equal to thickness comparatively thick one in floor 20 and floor 10, namely 25mm is all feasible.If replace round steel 30 by square steel, then replace diameter for calculating standard with thickness.
The grade of round steel 30 is ABS-B, but not as limit, as long as the grade of round steel 30 is not less than the higher person, i.e. ABS-B level in the first steel plate 10 and the second steel plate 20.
S2, finished edge step: floor 10 and floor 20 one end to be welded form groove.
Specifically, floor 20 and floor 10 beveling machine can be processed " K " shape groove." K " shape groove is generally applicable to the sheet material that thickness is greater than 16mm.
S3, positioning step: location floor 10, floor 20 and round steel 30, make to form required angle between floor 10, floor 20, and make round steel 30 between floor 10 and floor 20.
Specifically, floor 10, floor 20 are placed on a moulding bed, and make angle α therebetween be 73 °, be then fixed by positioning device floor 10 and floor 20; Again round steel 30 is placed on moulding bed, is fixed by positioning device after between floor 10 and floor 20.
S4, welds the first steel plate step: welding floor 10 and round steel 30.This welding can be full penetration, improves quality of connection.
Specifically, according to welding conditions, first in floor 10 side, such as inner side is welded, then carries out back chipping and the process of dorsal part carbon plane, and then weld in floor 10 opposite side such as outside, finally by smooth for bilateral weld grinding, butt welded seam carries out nondestructive inspection.
S5, welds the second steel plate step: welding floor 20 and round steel 30.This welding can be full penetration, improves quality of connection.
Specifically, weld according to such as inner side, first plate 20 side alow of welding conditions, then carry out back chipping and the process of dorsal part carbon plane, then plate 20 opposite side such as outside is welded alow, and finally by smooth for bilateral weld grinding, butt welded seam carries out nondestructive inspection.
Finally complete being welded to connect of floor 10 and floor 20 one-tenth 73 ° of angles.
Before above-mentioned steps S4, S5, also can comprise preheating step respectively.
In this first embodiment, not in strict accordance with order recited above, can adjust as required, such as, step S1, S2 can exchange, and step S4, S5 can exchange, etc.
Embodiment 2
As shown in Figure 2, the difference of steel plate docking welding method second embodiment of the present invention and the first embodiment is only:
The thinner thickness of floor 20 and floor 10, such as thickness is less than 16mm.Therefore in finished edge step S2, floor 20 and floor 10 beveling machine can be processed " V " shape groove.
Other step of this docking welding method second embodiment is substantially identical with the first embodiment, repeats no more here.
Below illustrative embodiments of the present invention is illustrate and described particularly.Should be appreciated that, the invention is not restricted to disclosed embodiment, on the contrary, the invention is intended to contain and be included in various amendment in the spirit and scope of claims and equivalent arrangements.
Claims (10)
1. a steel plate docking welding method, for first steel plate (10) with the first thickness is docked welded together with second steel plate (20) with the second thickness, it is characterized in that, described steel plate docking welding method comprises the following steps:
One transition structure (30) is provided;
Finished edge step: process described first steel plate (10) and the second steel plate (20) one end to be welded forms groove;
Positioning step: locate described first steel plate (10), the second steel plate (20) and transition structure (30), make described first steel plate (10), the second steel plate forms required angle between (20), and make described transition structure (30) be positioned between described first steel plate (10) and the second steel plate (20);
Weld the first steel plate step: weld the first steel plate (10) and described transition structure (30);
Weld the second steel plate step: weld the second steel plate (20) and described transition structure (30).
2. steel plate docking welding method as claimed in claim 1, it is characterized in that, described transition structure (30) is a round steel or square steel.
3. steel plate docking welding method as claimed in claim 2, it is characterized in that, the diameter of described round steel or the thickness of described square steel are not less than the greater in the first thickness of described first steel plate (10) and the second thickness of the second steel plate (20).
4. steel plate docking welding method as claimed in claim 2, it is characterized in that, described round steel or described side's steel grade are not less than described first steel plate (10) and the higher person in the second steel plate (20).
5. steel plate docking welding method as claimed in claim 1, it is characterized in that, described groove is " V " shape groove or " K " shape groove.
6. steel plate docking welding method as claimed in claim 1, is characterized in that, in described positioning step, make to form 15 ° ~ 90 ° angles between described first steel plate (10) and the second steel plate (20).
7. steel plate docking welding method as claimed in claim 1, is characterized in that, before described welding first steel plate step and/or before described welding second steel plate step, also comprise preheating step separately.
8. steel plate docking welding method as claimed in claim 1, it is characterized in that, described welding first steel plate and/or described welding second steel plate are full penetration.
9. steel plate docking welding method as claimed in claim 1, it is characterized in that, described welding first steel plate (10) comprises the steps: first to weld in described first steel plate (10) side according to welding conditions, carry out back chipping and the process of dorsal part carbon plane again, then weld at described first steel plate (10) dorsal part, weld grinding is smooth; And/or described welding second steel plate (20) comprises the steps: first to weld in described second steel plate (20) side according to welding conditions, carry out back chipping and the process of dorsal part carbon plane again, then weld at described second steel plate (20) dorsal part, weld grinding is smooth.
10. steel plate docking welding method as claimed in claim 1, it is characterized in that, also comprise in welding first steel plate (10) and/or welding the second steel plate (20) and nondestructive inspection step is carried out to the weld seam formed and transition structure (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353666.5A CN104801821B (en) | 2014-07-23 | 2014-07-23 | Steel plate butt welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353666.5A CN104801821B (en) | 2014-07-23 | 2014-07-23 | Steel plate butt welding method |
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| Publication Number | Publication Date |
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| CN104801821A true CN104801821A (en) | 2015-07-29 |
| CN104801821B CN104801821B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410353666.5A Active CN104801821B (en) | 2014-07-23 | 2014-07-23 | Steel plate butt welding method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014775A (en) * | 2018-07-19 | 2018-12-18 | 沪东中华造船(集团)有限公司 | A method of the side of a ship outside plate of docking ship bow sternpost two sides |
| CN109606602A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of stern flow field peculiar to vessel fairing and its localization method |
| CN109623096A (en) * | 2019-02-25 | 2019-04-16 | 焦作智造机电设备有限公司 | Narrow gap welding fixture unit and the narrow gap welding method for being electrolysed aluminum steel pawl |
| CN110773893A (en) * | 2018-07-31 | 2020-02-11 | 江苏扬子鑫福造船有限公司 | Welding method for outer plate at tail of container ship |
| CN116352219A (en) * | 2023-05-04 | 2023-06-30 | 南通泰胜蓝岛海洋工程有限公司 | Water drop type tower drum and construction control system thereof |
| CN116352219B (en) * | 2023-05-04 | 2024-04-30 | 南通泰胜蓝岛海洋工程有限公司 | Water-drop type tower barrel assembly and water-drop type tower barrel construction method |
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| US4041270A (en) * | 1974-06-14 | 1977-08-09 | Kawasaki Steel Corporation | Methods of welding corner joints |
| JPS5942183A (en) * | 1982-09-01 | 1984-03-08 | Nippon Steel Corp | Method for welding joint corner of box column using tab material of solid flux |
| JPS617075A (en) * | 1984-06-21 | 1986-01-13 | Kawasaki Steel Corp | Fillet welding method of different metals |
| CN102029457A (en) * | 2010-12-01 | 2011-04-27 | 武昌船舶重工有限责任公司 | Vertical butt welding process of high-strength steel for ship structures |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1144668A (en) * | 1966-06-02 | 1969-03-05 | Chicago Bridge & Iron Co | Improvements in or relating to the butt welding of metal plates |
| US4041270A (en) * | 1974-06-14 | 1977-08-09 | Kawasaki Steel Corporation | Methods of welding corner joints |
| JPS5942183A (en) * | 1982-09-01 | 1984-03-08 | Nippon Steel Corp | Method for welding joint corner of box column using tab material of solid flux |
| JPS617075A (en) * | 1984-06-21 | 1986-01-13 | Kawasaki Steel Corp | Fillet welding method of different metals |
| CN102029457A (en) * | 2010-12-01 | 2011-04-27 | 武昌船舶重工有限责任公司 | Vertical butt welding process of high-strength steel for ship structures |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014775A (en) * | 2018-07-19 | 2018-12-18 | 沪东中华造船(集团)有限公司 | A method of the side of a ship outside plate of docking ship bow sternpost two sides |
| CN110773893A (en) * | 2018-07-31 | 2020-02-11 | 江苏扬子鑫福造船有限公司 | Welding method for outer plate at tail of container ship |
| CN109606602A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of stern flow field peculiar to vessel fairing and its localization method |
| CN109623096A (en) * | 2019-02-25 | 2019-04-16 | 焦作智造机电设备有限公司 | Narrow gap welding fixture unit and the narrow gap welding method for being electrolysed aluminum steel pawl |
| CN109623096B (en) * | 2019-02-25 | 2024-02-06 | 焦作智造机电设备有限公司 | Narrow gap welding fixture unit and narrow gap welding method for electrolytic aluminum steel claw |
| CN116352219A (en) * | 2023-05-04 | 2023-06-30 | 南通泰胜蓝岛海洋工程有限公司 | Water drop type tower drum and construction control system thereof |
| CN116352219B (en) * | 2023-05-04 | 2024-04-30 | 南通泰胜蓝岛海洋工程有限公司 | Water-drop type tower barrel assembly and water-drop type tower barrel construction method |
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| Publication number | Publication date |
|---|---|
| CN104801821B (en) | 2017-02-15 |
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