CN104668720A - Welding method for I-shaped butt joint of steel plates - Google Patents
Welding method for I-shaped butt joint of steel plates Download PDFInfo
- Publication number
- CN104668720A CN104668720A CN201510066004.4A CN201510066004A CN104668720A CN 104668720 A CN104668720 A CN 104668720A CN 201510066004 A CN201510066004 A CN 201510066004A CN 104668720 A CN104668720 A CN 104668720A
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- steel plate
- welding
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- docking
- edge fit
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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
- B23K9/025—Seam welding; Backing means; Inserts for rectilinear 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
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a welding method for I-shaped butt joint of steel plates. The welding method comprises the following steps of the step 1 of cutting steel plates according to required sizes to obtain the first steel plate and the second steel plate, the step 2 of placing the first steel plate and the second steel plate on a horizontal operating face and controlling the width of the gap between the steel plates to be from 8mm to 10mm, the step 3 of respectively arranging run-on plates at the two ends of the gap between the straight connecting edge of the first steel plate and the straight connecting edge of the second steel plate, the step 4 of utilizing a welding machine to weld the welding joint between the straight connecting edges on the first sides of the steel plates for the first time, and the step 5 of reversing the first steel plate and the second steel plate after first-time welding and utilizing the welding machine to weld the welding joint between the straight connecting edges on the second sides of the steel plates for the second time. By means of the welding method, a groove for the welding joint is not manufactured. Thus, machining equipment for manufacturing the groove is avoided, the equipment cost is saved, the technological process is simplified, the welding time is shortened, and the labor cost of workers is reduced.
Description
Technical field
The present invention relates to thickness 38 ~ 45mm Plate Welding technical field, particularly relate to a kind of welding method for the docking of steel plate I type.
Background technology
Welding, connects also referred to as welding, Rong, be a kind of with the mode jointing metal of heating, high temperature or high pressure or other thermoplastics as the manufacturing process of plastics and technology.The object of joint is reached in welding through following three kinds of approach: heating makes it local melting formation molten bath for the workpiece of joint, just engages, can add molten fill if desired and assist after the cooled and solidified of molten bath.The solder that independent fieWtiiltiie is lower, without the need to melting workpiece itself, the capillarity by means of solder connects workpiece (as solder, hard solder) and is being equivalent to or is being aided with high pressure, superimposed extrusion molding or vibration etc. at temperature lower than workpiece fusing point make to interpenetrate joint (as smithwelding, solid State Welding) between two workpiece.According to concrete welding procedure, welding can be subdivided into other special welding such as gas welding, electric resistance welding, arc welding, induction welding and laser weld.
In existing solder technology, when thickness is docked more than the steel plate of 10mm, in order to ensure to make thermal source (electric arc) that the root of weld can be goed deep into, ensure that root through welding needs to carry out the weld seam of I type docking the preparation of groove, as prepared double V-groove or U-shaped groove.The preparation of groove needs special process equipment, not only adds equipment cost, and complex technical process, too increases personnel's labour costs simultaneously.The welding of 40mmm steel plate docking I type is extensively present in Construction of Steel Structure, and construction volume is comparatively large, and the welding method speed of welding of employing prior art is slow and welding cost is high.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of welding method for the docking of steel plate I type, needs to prepare the problem that groove could meet welding quality to solve existing solder flux method.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of welding method for the docking of steel plate I type, and it comprises the following steps:
Step 1, according to demand size cutting steel plate, obtains the first steel plate and the second steel plate; Described first steel plate has at least one direct-connected edge fit; Described second steel plate has at least one direct-connected edge fit;
Step 2, first steel plate and the second steel plate are placed on levels operation face, make the direct-connected edge fit of the first steel plate parallel with the direct-connected edge fit of the second steel plate, and by the width control system in gap between the direct-connected edge fit of the first steel plate and the direct-connected edge fit of the second steel plate at 8 ~ 10mm;
Step 3, between the direct-connected edge fit and the direct-connected edge fit of the second steel plate of the first steel plate, run-on tab is placed respectively in two ends, gap;
Step 4, utilizes welding machine to carry out first time welding at the first surface of steel plate to described weld seam; The welding condition that first time welds is: welding current 980 ~ 1080A, voltage 38 ~ 40V; Speed of welding 160mm/min; Gage of wire 5 ~ 6mm; Weld reinforcement 0 ~ 4mm;
Step 5, first time has welded rear reversion first steel plate and the second steel plate; Welding machine is utilized to carry out second time welding at second of steel plate in the face of described gap; The welding condition of second time welding is: welding current 1180 ~ 1250A, voltage 39 ~ 40V; Speed of welding 140mm/min; Gage of wire 5 ~ 6mm; Weld reinforcement 0 ~ 4mm.
As above for the welding method of steel plate I type docking, further, the process of the heat affected area produced when also comprising the direct-connected edge fit of polishing cleaning, polishing cleaning cutting steel plate between step 1 and step 2.
As above for the welding method of steel plate I type docking, further, step 5, after reversion first steel plate and the second steel plate, first carry out cleaning to gap between the direct-connected edge fit of the first steel plate and the direct-connected edge fit of the second steel plate to polish, then utilize welding machine to carry out second time at second of the first steel plate and the second steel plate in the face of described gap and weld.
As above for the welding method of steel plate I type docking, preferably, the thickness of described steel plate is 38 ~ 45mm, and material is Q235/Q345.
As above for the welding method of steel plate I type docking, preferably, the thickness of described steel plate is 40mm.
As above for the welding method of steel plate I type docking, preferably, the material of described welding wire is 08A/08MnA.
As above for the welding method of steel plate I type docking, preferably, before carrying out first time welding, filling flux in weld seam, described solder flux model is HJ431.
As above for the welding method of steel plate I type docking, preferably, described welding machine is Tang king MZ-1600A.
As above for the welding method of steel plate I type docking, preferably, welding current 1000A during first time welding.
As above for the welding method of steel plate I type docking, preferably, welding current 1200A during second time welding.
The invention has the beneficial effects as follows: utilize welding method of the present invention, when welding 40mm steel plate, not needing butt welded seam to carry out the preparation of groove.Therefore, the process equipment that the preparation also just saving groove needs, save equipment cost, simplify technical process simultaneously, weld interval shortens, and decreases personnel's labour costs.
Accompanying drawing explanation
A kind of welding method schematic flow sheet for the docking of steel plate I type that Fig. 1 provides for the embodiment of the present invention;
The welding method schematic flow sheet that the another kind that Fig. 2 provides for the embodiment of the present invention docks for steel plate I type.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, for the embodiment of the present invention provide a kind of for steel plate I type docking welding method schematic flow sheet.For the welding method of steel plate I type docking, it comprises the following steps:
Step 1, according to demand size cutting steel plate, obtains the first steel plate and the second steel plate; Described first steel plate has at least one direct-connected edge fit; Described second steel plate has at least one direct-connected edge fit; Such as described first steel plate is rectangle, and the second steel plate is also rectangle, and needs the first steel plate and the second Plate Welding to be integrated.
Step 2, first steel plate and the second steel plate are placed on levels operation face, make the direct-connected edge fit of the first steel plate parallel with the direct-connected edge fit of the second steel plate, and by the width control system in gap between the direct-connected edge fit of the first steel plate and the direct-connected edge fit of the second steel plate at 8 ~ 10mm.
Step 3, between the direct-connected edge fit and the direct-connected edge fit of the second steel plate of the first steel plate, run-on tab is placed respectively in two ends, gap; Due to the starting point of weld seam during welding and destination county, often because of can not penetration and occur the weld bond of spill, after stressed, occur that crackle and stress are concentrated, should two ends be welded on run-on tab during welding, then redundance excised.
Step 4, utilizes welding machine to carry out first time welding at the first surface of steel plate to described weld seam; The welding condition that first time welds is: welding current 980 ~ 1080A, voltage 38 ~ 40V; Speed of welding 160mm/min; Gage of wire 5 ~ 6mm; Weld reinforcement 0 ~ 4mm;
Step 5, first time has welded rear reversion first steel plate and the second steel plate; Welding machine is utilized to carry out second time welding at second of steel plate in the face of described gap; The welding condition of second time welding is: welding current 1180 ~ 1250A, voltage 39 ~ 40V; Speed of welding 140mm/min; Gage of wire 5 ~ 6mm; Weld reinforcement 0 ~ 4mm.
In the use procedure of the above-mentioned welding method for the docking of steel plate I type, preferably, described welding machine is Tang king MZ-1600A; The thickness of described steel plate is 40mm, and material is Q235/Q345; The material of described welding wire is 08A/08MnA; And before carrying out first time welding, filling flux in weld seam, described solder flux model is HJ431.
Utilizing welding method of the present invention, when welding 40mm steel plate, not needing butt welded seam to carry out the preparation of groove.Therefore, the process equipment that the preparation also just saving groove needs, save equipment cost, simplify technical process simultaneously, weld interval shortens, and decreases personnel's labour costs.
As shown in Figure 2, the welding method schematic flow sheet that the another kind provided for the embodiment of the present invention docks for steel plate I type.For the welding method of steel plate I type docking, it comprises the following steps:
Step 1, according to demand size cutting steel plate, obtains the first steel plate and the second steel plate; Described first steel plate has at least one direct-connected edge fit; Described second steel plate has at least one direct-connected edge fit;
After the cutting process of step 1 completes, the heat affected area produced during direct-connected edge fit, the polishing cleaning cutting steel plate of polishing cleaning steel plate.By cleaning bruting process, the dirt of welding quality of eliminating the effects of the act, improves welding quality during follow-up welding.
Step 2, first steel plate and the second steel plate are placed on levels operation face, make the direct-connected edge fit of the first steel plate parallel with the direct-connected edge fit of the second steel plate, and by the width control system in gap between the direct-connected edge fit of the first steel plate and the direct-connected edge fit of the second steel plate at 8 ~ 10mm;
Step 3, between the direct-connected edge fit and the direct-connected edge fit of the second steel plate of the first steel plate, run-on tab is placed respectively in two ends, gap;
Step 4, utilizes welding machine to carry out first time welding at the first surface of steel plate to described weld seam; The welding condition that first time welds is: welding current 1000A, voltage 38 ~ 40V; Speed of welding 160mm/min; Gage of wire 5 ~ 6mm; Weld reinforcement 0 ~ 4mm;
Step 5, first time has welded rear reversion first steel plate and the second steel plate; Welding machine is utilized to carry out second time welding at second of steel plate in the face of described gap; The welding condition of second time welding is: welding current 1180 ~ 1250A, voltage 39 ~ 40V; Speed of welding 140mm/min; Gage of wire 5 ~ 6mm; Weld reinforcement 0 ~ 4mm.
In the use procedure of the above-mentioned welding method for the docking of steel plate I type, preferably, described welding machine is Tang king MZ-1600A; The thickness of described steel plate is 40mm, and material is Q235/Q345; The material of described welding wire is 08A/08MnA; And before carrying out first time welding, filling flux in weld seam, described solder flux model is HJ431.
By the weld seam to long 2m, utilize the method for the second embodiment to weld, result of detection shows 100% full penetration.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1., for a welding method for steel plate I type docking, it is characterized in that, said method comprising the steps of:
Step 1, according to demand size cutting steel plate, obtains the first steel plate and the second steel plate; Described first steel plate has at least one direct-connected edge fit; Described second steel plate has at least one direct-connected edge fit;
Step 2, first steel plate and the second steel plate are placed on levels operation face, make the direct-connected edge fit of the first steel plate parallel with the direct-connected edge fit of the second steel plate, and by the width control system in gap between the direct-connected edge fit of the first steel plate and the direct-connected edge fit of the second steel plate at 8 ~ 10mm;
Step 3, between the direct-connected edge fit and the direct-connected edge fit of the second steel plate of the first steel plate, run-on tab is placed respectively in two ends, gap;
Step 4, utilizes welding machine to carry out first time welding at the first surface of steel plate to described weld seam; The welding condition that first time welds is: welding current 980 ~ 1080A, voltage 38 ~ 40V; Speed of welding 160mm/min; Gage of wire 5 ~ 6mm; Weld reinforcement 0 ~ 4mm;
Step 5, first time has welded rear reversion first steel plate and the second steel plate; Welding machine is utilized to carry out second time welding at second of steel plate in the face of described gap; The welding condition of second time welding is: welding current 1180 ~ 1220A, voltage 39 ~ 40V; Speed of welding 140mm/min; Gage of wire 5 ~ 6mm; Weld reinforcement 0 ~ 4mm.
2. the welding method for the docking of steel plate I type according to claim 1, is characterized in that, the process of the heat affected area produced when also comprising the direct-connected edge fit of polishing cleaning, polishing cleaning cutting steel plate between step 1 and step 2.
3. the welding method for the docking of steel plate I type according to claim 1, it is characterized in that, step 5, after reversion first steel plate and the second steel plate, first carry out cleaning to gap between the direct-connected edge fit of the first steel plate and the direct-connected edge fit of the second steel plate to polish, then utilize welding machine to carry out second time at second of the first steel plate and the second steel plate in the face of described gap and weld.
4. the welding method for the docking of steel plate I type according to claim 1, it is characterized in that, the thickness of described steel plate is 38 ~ 45mm, and material is Q235/Q345.
5. the welding method for the docking of steel plate I type according to claim 4, it is characterized in that, the thickness of described steel plate is 40mm.
6. the welding method for the docking of steel plate I type according to claim 4, it is characterized in that, the material of described welding wire is 08A/08MnA.
7. the welding method for the docking of steel plate I type according to claim 6, is characterized in that, before carrying out first time welding, filling flux in weld seam, described solder flux model is HJ431.
8. the welding method for the docking of steel plate I type according to any one of claim 1-7, it is characterized in that, described welding machine is Tang king MZ-1600A.
9. the welding method for the docking of steel plate I type according to any one of claim 1-7, is characterized in that, welding current 1000A during first time welding.
10. the welding method for the docking of steel plate I type according to any one of claim 1-7, is characterized in that, welding current 1200A during second time welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510066004.4A CN104668720A (en) | 2015-02-09 | 2015-02-09 | Welding method for I-shaped butt joint of steel plates |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510066004.4A CN104668720A (en) | 2015-02-09 | 2015-02-09 | Welding method for I-shaped butt joint of steel plates |
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| CN104668720A true CN104668720A (en) | 2015-06-03 |
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| CN201510066004.4A Pending CN104668720A (en) | 2015-02-09 | 2015-02-09 | Welding method for I-shaped butt joint of steel plates |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270952A (en) * | 2016-08-30 | 2017-01-04 | 鞍钢建设集团有限公司 | A kind of welding method of building structural steel Q345GJB |
| CN110539078A (en) * | 2019-07-31 | 2019-12-06 | 北京航星机器制造有限公司 | 5A06/ZL114A dissimilar aluminum alloy part butt joint laser swing welding method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07314174A (en) * | 1994-05-20 | 1995-12-05 | Nippon Steel Corp | Pipe making welding method of clad stainless steel pipe |
| CN102615405A (en) * | 2012-04-12 | 2012-08-01 | 太原重工股份有限公司 | Welding method of stainless steel composite plates |
| CN103692065A (en) * | 2013-10-28 | 2014-04-02 | 中国二冶集团有限公司 | Manufacturing method of electrolytic bath bottom plate |
| CN104057176A (en) * | 2014-06-04 | 2014-09-24 | 湖北精工钢结构有限公司 | I-shaped full-penetration steel member seam welding method without grooving or back chipping |
-
2015
- 2015-02-09 CN CN201510066004.4A patent/CN104668720A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07314174A (en) * | 1994-05-20 | 1995-12-05 | Nippon Steel Corp | Pipe making welding method of clad stainless steel pipe |
| CN102615405A (en) * | 2012-04-12 | 2012-08-01 | 太原重工股份有限公司 | Welding method of stainless steel composite plates |
| CN103692065A (en) * | 2013-10-28 | 2014-04-02 | 中国二冶集团有限公司 | Manufacturing method of electrolytic bath bottom plate |
| CN104057176A (en) * | 2014-06-04 | 2014-09-24 | 湖北精工钢结构有限公司 | I-shaped full-penetration steel member seam welding method without grooving or back chipping |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270952A (en) * | 2016-08-30 | 2017-01-04 | 鞍钢建设集团有限公司 | A kind of welding method of building structural steel Q345GJB |
| CN110539078A (en) * | 2019-07-31 | 2019-12-06 | 北京航星机器制造有限公司 | 5A06/ZL114A dissimilar aluminum alloy part butt joint laser swing welding method |
| CN110539078B (en) * | 2019-07-31 | 2021-10-15 | 北京航星机器制造有限公司 | 5A06/ZL114A dissimilar aluminum alloy part butt joint laser swing welding method |
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Application publication date: 20150603 |