CN104801821B - Steel plate butt welding method - Google Patents
Steel plate butt welding method Download PDFInfo
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- CN104801821B CN104801821B CN201410353666.5A CN201410353666A CN104801821B CN 104801821 B CN104801821 B CN 104801821B CN 201410353666 A CN201410353666 A CN 201410353666A CN 104801821 B CN104801821 B CN 104801821B
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- steel plate
- steel
- welding
- butt welding
- 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 butt welding method, particularly to a kind of low-angle steel plate butt welding method.
Background technology
At present in various build process, such as in the building course of ship and ocean platform, due to the need of design and ship type
Will be it may appear that sheet material carries out docking the demand of assembly with sheet material with less angle (such as 15 °～90 °).
Traditional method is, after two pieces of steel plate precise positionings, first in the one side welding of one block of steel plate；Then clear in another side
Root continues welding after processing；Finally polish smooth.This traditional processing method affects aesthetic property first, and most important defect
It is to lead to operating space narrow and small because the angle between two sheet materials is little, therefore welding operation difficulty is big；And precise positioning
Extremely difficult it is difficult to reach requirement；In addition backing run must be using thin welding rod welding in case burn, and filling weld seam needs a large amount of
Deposited metal, and easily form stress concentration in the root of weld, affect welding quality.
Disclosed in described background section, above- mentioned information is only used for strengthening the understanding to the background of the present invention, therefore it
Can include not constituting the information to prior art known to persons of ordinary skill in the art.
Content of the invention
It is an object of the invention to overcoming above-mentioned the deficiencies in the prior art, providing a kind of welding operation simple, and quality is good
Steel plate butt welding method.
The additional aspect of the present invention and advantage will be set forth in part in the description, and partly will be from description
It is apparent from, or can the acquistion by the practice of the present invention.
According to an aspect of the present invention, a kind of steel plate butt welding method, for having the first steel of first thickness
Plate with have the second steel plate butt welding of second thickness to together with.Described steel plate butt 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：Position described first steel plate, the second steel plate and transition structure, make described first steel plate, the second steel plate
Between formed required for angle, and make described transition structure be located 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 thickness of the diameter of described round steel or described square steel is not less than described first steel
The first thickness of plate and the greater in 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 described first steel plate and
The higher person in two steel plates.
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 shape between described first steel plate and the second steel plate
Become 15 °～90 ° angles.
According to an embodiment of the present invention, before described welding the first steel plate step and/or in described welding second
Each preheating step is also included before steel plate step.
According to an embodiment of the present invention, described welding the first steel plate and/or described welding second steel plate are full penetration
Welding.
According to an embodiment of the present invention, described welding the first steel plate comprises the steps：First exist according to welding conditions
Described first steel plate side is welded, then carries out back chipping and the process of dorsal part carbon plane, then carries out in described first steel plate dorsal part
Welding, weld grinding is smooth；And/or described welding the second steel plate comprises the steps：According to welding conditions first described the
Two steel plate sides are welded, then carry out back chipping and the process of dorsal part carbon plane, are then welded in described second steel plate dorsal part, will
Weld grinding is smooth.
According to an embodiment of the present invention, also include to the weldering being formed in welding the first steel plate and welding the second steel plate
Seam and transition structure carry out nondestructive inspection step.
As shown from the above technical solution, advantages of the present invention and good effect are：
In steel plate butt welding method of the present invention, be provided with transition structure between the first steel plate and the second steel plate so that
Space between first steel plate and the second steel plate becomes big, thus facilitating welding operation, reduces welding difficulty, reduce by
It is ensured that welding quality, steel plate butt welding method of the present invention is particularly well-suited between low-angle steel plate this welding deformation leading to
Assembled welding.
Meanwhile, indirectly achieve the by the welding of the first steel plate and transition structure and the second steel plate and transition structure welding
One steel plate and the welding of the second steel plate.Solve the root of weld stress generally occurring in welding procedure between traditional low-angle steel plate
The problem concentrated, is greatly improved welding quality.
Brief description
Describe its example embodiment by referring to accompanying drawing in detail, above and other feature of the present invention and advantage will become
Become apparent from.
Fig. 1 represents the schematic diagram of steel plate butt welding method first embodiment of the present invention.
Fig. 2 represents the schematic diagram of steel plate butt welding method second embodiment of the present invention.
Specific embodiment
It is described more fully with example embodiment referring now to accompanying drawing.However, example embodiment can be with multiple shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, these embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively convey to those skilled in the art.In figure identical accompanying drawing
Mark represents same or similar structure, thus will omit their detailed description.
Embodiment 1
As shown in figure 1, steel plate butt welding method one embodiment of the present invention, for by the first steel plate 10 and the second steel plate
20 butt welding are to together.In present embodiment, with the first steel plate 10 be thickness as 25mm, and grade be ABS-A level floor,
Second steel plate 20 is thickness is 14mm, and grade is the floor of ABS-B level, and requires the angle α between floor and floor
Illustrate for as a example 73 °.
Certainly, in other embodiments, the thickness of the first steel plate 10 can be identical with the second steel plate 20 thickness, rank
Can be identical.Angle between first steel plate 10 and the second steel plate 20 can also be adjusted as needed, the such as first steel plate
10 and second angle α between steel plate 20, between 15 °～90 °, are also feasible between even below 15 ° such as 10 °～14 °.
Steel plate butt 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, is certainly not limited.In other embodiments, transition knot
Structure 30 can also be the steel bar that cross sectional shape is ellipse, polygon etc., such as square steel etc..
The twice of a diameter of floor 10 of round steel 30, i.e. 50mm.Certainly be not limited, if round steel 30 with diameter greater than
Or, compared with thick one, that is, 25mm is all feasible to be equal to thickness in floor 20 and floor 10.If round steel 30 is replaced by square steel, with thickness
Degree replaces a diameter of calculating standard.
The grade of round steel 30 is ABS-B, but is not limited, as long as the grade of round steel 30 is not less than the first steel plate 10 and the
The higher person in two steel plates 20, i.e. ABS-B level.
S2, finished edge step：Floor 10 and floor 20 one end to be welded form groove.
Specifically, can be by floor 20 and floor 10 groove machining " K " shape groove." K " shape groove is typically suitable
It is more than the sheet material of 16mm for thickness.
S3, positioning step：Positioning floor 10, floor 20 and round steel 30, needed for making to be formed between floor 10, floor 20
The angle wanted, and so that round steel 30 is located between floor 10 and floor 20.
Specifically, floor 10, floor 20 are placed on a moulding bed, and make angle α therebetween be 73 °, so
After be fixed by positioning device floor 10 and floor 20；Again round steel 30 is placed on moulding bed, positioned at floor 10 and floor 20
Between after be fixed by positioning device.
S4, welds the first steel plate step：Welding floor 10 and round steel 30.This welding can be full penetration, improve and connect
Quality.
Specifically, first welded in floor 10 side such as inner side according to welding conditions, then carried out back chipping and dorsal part
Carbon plane is processed, and is then welded in floor 10 opposite side such as outside, finally will be smooth for bilateral weld grinding, and weld seam is carried out
Nondestructive inspection.
S5, welds the second steel plate step：Welding floor 20 and round steel 30.This welding can be full penetration, improve even
Connect quality.
Specifically, welded according to first alow plate 20 side of welding conditions such as inner side, then carried out back chipping and the back of the body
Side carbon plane is processed, and then alow plate 20 opposite side such as outside is welded, finally will be smooth for bilateral weld grinding, to weld seam
Carry out nondestructive inspection.
It is finally completed floor 10 and become being welded to connect of 73 ° of angles with floor 20.
Before above-mentioned steps S4, S5, also can include preheating step respectively.
In this first embodiment, not in strict accordance with order recited above, can be adjusted as needed, for example,
Step S1, S2 can exchange, step S4, and S5 can exchange, etc..
Embodiment 2
As shown in Fig. 2 the difference of steel plate butt welding method second embodiment of the present invention and first embodiment
It is only that：
Floor 20 and the thinner thickness of floor 10, such as thickness are less than 16mm.Therefore in finished edge step S2, can be by ship
Base plate 20 and floor 10 groove machining " V " shape groove.
Other steps of this butt welding method second embodiment are essentially identical with first embodiment, no longer superfluous here
State.
More than it is particularly shown and described the illustrative embodiments of the present invention.It should be understood that the invention is not restricted to institute
Disclosed embodiment, on the contrary, it is intended to cover the various modifications comprising in the spirit and scope of the appended claims
And equivalent arrangements.
Claims (8)
1. a kind of steel plate butt welding method, for will have first steel plate (10) of first thickness and have the of second thickness
Two steel plates (20) butt welding is to together it is characterised in that described steel plate butt welding method comprises the following steps：
There is provided a transition structure (30), described transition structure (30) is a round steel or square steel, the diameter of described round steel or described side
The thickness of steel is 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)；
Finished edge step：Process described first steel plate (10) and the second steel plate (20) one end to be welded forms groove；
Positioning step：Position described first steel plate (10), the second steel plate (20) and transition structure (30), make described first steel plate
(10) angle required for, being formed between the second steel plate (20), and make described transition structure (30) be located at described first steel plate
(10) between 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 butt welding method as claimed in claim 1 it is characterised in that described round steel or described side's steel grade not
Less than described first steel plate (10) and the higher person in the second steel plate (20).
3. steel plate butt welding method as claimed in claim 1 is it is characterised in that described groove is " V " shape groove or " K " shape
Groove.
4. steel plate butt welding method as claimed in claim 1 is it is characterised in that in described positioning step, make described first
Form 15 °～90 ° angles between steel plate (10) and the second steel plate (20).
5. steel plate butt welding method as claimed in claim 1 it is characterised in that described welding the first steel plate step before
And/or each also included preheating step before described welding the second steel plate step.
6. steel plate butt welding method as claimed in claim 1 is it is characterised in that described welding first steel plate and/or described
Welding the second steel plate is full penetration.
7. steel plate butt welding method as claimed in claim 1 it is characterised in that described welding first steel plate (10) include as
Lower step：First welded in described first steel plate (10) side according to welding conditions, then carried out back chipping and the process of dorsal part carbon plane,
Then welded in described first steel plate (10) dorsal part, weld grinding is smooth；And/or described welding the second steel plate (20) bag
Include following steps：First welded in described second steel plate (20) side according to welding conditions, then carried out back chipping and dorsal part carbon plane
Process, then welded in described second steel plate (20) dorsal part, weld grinding is smooth.
8. steel plate butt welding method as claimed in claim 1 is it is characterised in that in welding the first steel plate (10) and/or weld
Connect and also include in the second steel plate (20) carrying out nondestructive inspection step to the weld seam being 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104801821A CN104801821A (en) | 2015-07-29 |
| CN104801821B true CN104801821B (en) | 2017-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410353666.5A Active CN104801821B (en) | 2014-07-23 | 2014-07-23 | Steel plate butt welding method |
Country Status (1)
| Country | Link |
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| CN (1) | CN104801821B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014775B (en) * | 2018-07-19 | 2021-06-01 | 沪东中华造船(集团)有限公司 | Method for butting outboard plates on two sides of fore-and-aft column of ship |
| 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 |
| 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 |
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 |
-
2014
- 2014-07-23 CN CN201410353666.5A patent/CN104801821B/en active Active
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 |
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| Publication number | Publication date |
|---|---|
| CN104801821A (en) | 2015-07-29 |
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