CN105817749A - Automatic tungsten inert gas (TIG) argon arc welding process for stainless steel pipelines - Google Patents
Automatic tungsten inert gas (TIG) argon arc welding process for stainless steel pipelines Download PDFInfo
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- CN105817749A CN105817749A CN201610365647.3A CN201610365647A CN105817749A CN 105817749 A CN105817749 A CN 105817749A CN 201610365647 A CN201610365647 A CN 201610365647A CN 105817749 A CN105817749 A CN 105817749A
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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
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
-
- 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
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
-
- 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
-
- 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
- B23K2103/05—Stainless steel
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding In General (AREA)
Abstract
The invention provides an automatic tungsten inert gas (TIG) argon arc welding process for stainless steel pipelines. The process comprises the following steps that (1) welding equipment, welding materials are protective gas are selected, and welding parameters are set; (2) grooves are machined, and assembly is carried out; (3) pipelines to be welded are fixed, the welding position of a welding gun is adjusted, and oxygen in the pipelines is replaced; (4) the welding parts of the pipelines to be welded are preheated; and (5) welding is carried out through an automatic TIG argon arc welding method. The automatic TIG argon arc welding process for the stainless steel pipelines has the effects of high welding efficiency, low labor intensity and stable welding quality.
Description
Technical field
The present invention relates to a kind of stainless steel pipes automatic tungsten anode argon arc welding welding procedure.
Background technology
Marine petroleum development platform has a large amount of stainless steel art pipeline, welding commonly used GTAW (TIG) the stainless steel pipes welding procedure of ocean platform stainless steel art pipeline at present, inefficiency, high to welding personnel skill set requirements, govern duration and cost that ocean platform manufactures.
Summary of the invention
The defect that it is an object of the invention to overcome prior art to exist and a kind of stainless steel art pipeline automatic tungsten anode argon arc welding welding procedure is provided, on the premise of ensureing welding quality, it is effectively improved welding efficiency, reduce the welding quality dependence to welding craftsmanship, make the prefabricated of stainless steel art pipeline realize mechanization.
It is an object of the invention to be realized by techniques below scheme:
Stainless steel pipes automatic tungsten anode argon arc welding welding procedure of the present invention, it is characterised in that comprise the following steps: the first step, selects welding equipment, welding material, protective gas and setting welding parameter；Second step, the processing of groove and assembling；3rd step, fixing pipeline to be welded, adjust welding gun welding position and displacement pipe interior oxygen；4th step, the welding portion treating welded tube road preheats；5th step, uses automatic tungsten anode argon arc welding (TIG) method to weld.
Aforesaid stainless steel pipes automatic tungsten anode argon arc welding (TIG) welding procedure, it is characterised in that
In the described first step, welding equipment uses automatic tungsten anode argon arc welding (TIG) circular seam welder, and nozzle bore is 8mm to 10mm；Pipe material selection A312TP316L, pipeline specifications 2 " to 10 ", pipeline wall thickness 3.91mm to 12.7mm；Welding material uses ER316L, and protective gas uses the argon of purity more than 99.99%, cerium tungsten electrode 2.4mm；Set welding parameter and include welding current 100A to 180A, arc voltage 10V to 11V, wire feed rate 300mm/min to 650mm/min, speed of welding 60mm/min to 100mm/min, swing width 3.5mm to 6mm；Gage of wire is 1.0mm-1.2mm；
In described second step, retaining wall on slope and assembling are to carry out retaining wall on slope in the welding end for the treatment of of pipeline to be welded, use V-shape groove, and the root face of this V-shape groove is 0mm to 1.5mm, and angle is 30 degree to 35 degree；This V-shape groove use GTAW (TIG) welding procedure is spot welded into luggage and joins, and misalignment≤1mm, gap is 0mm to 2.5mm；
In described 3rd step, fixing pipeline to be welded is that pipeline to be welded is fixed on clamping device and rotary bracket, adjusts torch neck and V-shape groove centering, and torch neck becomes 85 to 90 degree angles with V-shape groove；Pipeline to be welded is fixed, after welding torch position has adjusted, readily soluble paper or adhesive tape is used to seal pipe one end to be welded and V-shape groove inner face, welded tube road internal argon-filling gas is treated from the other end, and use gas analyzer for O2 to treat weldering pipe interior to measure, make pipe interior oxygen content less than 0.1%；
In described 4th step, the welding portion treating welded tube road uses heat tape mode to preheat, and uses contact type thermometric indicator to measure preheating temperature in warm, and preheating temperature controls to be 20 ± 5 degree；
In described 5th step, after in the range of the two ends 25 ± 5mm of position to be welded, temperature reaches requirement, start rotary bracket and gun welder igniter power supply, automatic tungsten anode argon arc welding (TIG) technique is used to weld, in welding process, welding gun is fixed on downhand position, driven pipeline to be welded to carry out rotating welding by rotary bracket, welding process has only to welding personnel and is tracked, it is achieved that welding process automation.
Stainless steel pipes automatic tungsten anode argon arc welding (TIG) welding procedure of the present invention provides the benefit that and both ensure that welding quality, reduces again the skill set requirements to welding personnel and working strength, it is achieved this welding procedure automatization.
Accompanying drawing explanation
Fig. 1 is first embodiment of the invention divided edge structure schematic diagram.
Major Symbol explanation in figure: 11 pipeline wall thickness to be welded, 12 root faces, 13 groove misalignments, 14 groove gaps, 15 bevel angles.
Fig. 2 is second embodiment of the invention divided edge structure schematic diagram.
Major Symbol explanation in figure: 21 pipeline wall thickness to be welded, 22 root faces, 23 groove misalignments, 24 groove gaps, 25 bevel angles.
Detailed description of the invention
Embodiment one:
The first step, uses automatic tungsten anode argon arc welding (TIG) circular seam welder, and nozzle bore is 8mm；Stainless steel pipes material to be welded selects A312TP316L, pipeline specifications 2 ", pipeline wall thickness 11 is 3.91mm；Welding material uses ER316L, and protective gas uses the argon of purity more than 99.99%, cerium tungsten electrode 2.4mm；Set welding parameter: welding current 125 ± 25A, arc voltage 10.5 ± 0.5V, wire feed rate control at 325 ± 25mm/min, speed of welding 80 ± 20mm/min, swing width 3.5mm, and gage of wire is 1.0mm-1.2mm；As shown in table 1；
At pipeline to be welded, second step, treats that welding end carries out retaining wall on slope, retaining wall on slope is V-shape groove, and the root face 12 of this V-shape groove is 0mm, and bevel angle 15 is 35 degree；This V-shape groove use Manual argon-arc welding is spot welded into luggage and joins, and groove misalignment 13≤0.3mm, groove gap 14 is 0mm, as shown in Figure 1；
3rd step, is fixed on clamping device and rotary bracket by pipeline to be welded, adjusts torch neck and V-shape groove centering, and torch neck becomes 85 degree of angles with V-shape groove；Pipeline to be welded is fixed, after welding torch position has adjusted, readily soluble paper or adhesive tape is used to seal pipe one end to be welded and V-shape groove inner face, welded tube road internal argon-filling gas is treated from the other end, and use gas analyzer for O2 to treat weldering pipe interior to measure, make pipe interior oxygen content less than 0.1%；
4th step, the welding portion treating welded tube road uses heat tape mode to preheat, and uses contact type thermometric indicator to measure preheating temperature in warm, and preheating temperature controls to be 20 ± 5 degree；
5th step, after in the range of the two ends 25mm of position to be welded, temperature reaches requirement, start rotary bracket and gun welder igniter power supply, automatic tungsten anode argon arc welding (TIG) method is used to weld, in welding process, welding gun is fixed on downhand position, driven pipeline to be welded to carry out rotating welding by rotary bracket, welding process has only to welding personnel and is tracked, it is achieved that welding process automation.
Embodiment two:
The first step, uses automatic tungsten anode argon arc welding (TIG) circular seam welder, and nozzle bore is 10mm；Stainless steel pipes material to be welded selects A312TP316L, pipeline specifications 10 ", pipeline wall thickness 21 is 12.7mm；Welding material is selected and is used ER316L, cerium tungsten electrode 2.4mm, and protective gas uses purity to be the argon of more than 99.99%；Set welding parameter: welding current 165 ± 15A, arc voltage 10.5 ± 0.5V, wire feed rate control at 600 ± 50mm/min, speed of welding 80 ± 20mm/min, swing width 6mm, and gage of wire is 1.0mm-1.2mm；As shown in table 1；
At pipeline to be welded, second step, treats that welding end carries out retaining wall on slope, retaining wall on slope is V-shape groove, and the root face 22 of this V-shape groove is 1.5mm, and bevel angle 25 is 35 degree；This V-shape groove use GTAW (TIG) is spot welded into luggage and joins, and groove misalignment 23≤1mm, groove gap 24 is 2.5mm, as shown in Figure 2；
3rd step, is fixed on clamping device and rotary bracket by pipeline to be welded, adjusts torch neck and V-shape groove centering, and torch neck becomes 85 degree of angles with V-shape groove；Pipeline to be welded is fixed, after welding torch position has adjusted, readily soluble paper or adhesive tape is used to seal pipe one end to be welded and V-shape groove inner face, welded tube road internal argon-filling gas is treated from the other end, and use gas analyzer for O2 to treat weldering pipe interior to measure, make pipe interior oxygen content less than 0.1%；
4th step, the welding portion treating welded tube road uses heat tape mode to preheat, and uses contact type thermometric indicator to measure preheating temperature in warm, and preheating temperature controls to be 20 ± 5 degree；
5th step, after in the range of the two ends 25mm of position to be welded, temperature reaches requirement, start rotary bracket and gun welder igniter power supply, automatic tungsten anode argon arc welding (TIG) method is used to weld, in welding process, welding gun is fixed on downhand position, driven pipeline to be welded to carry out rotating welding by rotary bracket, welding process has only to welding personnel and is tracked, it is achieved that welding process automation.
Table 1 groove type and welding parameter table
The content not illustrated in the present embodiment is prior art, therefore, no longer repeat.
Advantages of the present invention: present invention process can realize stainless steel art pipe prefabrication working automation in ocean engineering, after adjusting welding position, in welding process, welding gun is fixed, pipeline is driven to carry out rotating welding by rotary bracket, welding process has only to operator be tracked, achieve welding process automation, improve welding efficiency, reduce the requirement to welding personnel technical ability.Welding process is compared with continuous print welding wire automatically feeds and is manually fed with welding wire, decreases welding and interrupts and the time of joint polishing, improves welding efficiency；Only need welding personnel to follow the tracks of the parameters such as the deflection angle of welding gun, welding gun height, swing speed, speed of welding in welding process, reduce the requirement to welding personnel technical ability.Therefore, it is possible to effectively reduce the prefabricated job costs of stainless steel pipes, reduction of erection time.
The above, it it is only the preferred embodiment of invention, not invention is made any pro forma restriction, every any simple modification, equivalent variations and modification made above example according to the technical spirit of the present invention, all still falls within the range of technical solution of the present invention.
Claims (2)
1. a stainless steel pipes automatic tungsten anode argon arc welding welding procedure, it is characterised in that comprise the following steps:
The first step, selects welding equipment, welding material, protective gas and setting welding parameter；
Second step, the processing of groove and assembling；
3rd step, fixing pipeline to be welded, adjust welding gun welding position and displacement pipe interior oxygen；
4th step, the welding portion treating welded tube road preheats；
5th step, uses automatic tungsten anode argon arc welding (TIG) method to weld.
Stainless steel pipes automatic tungsten anode argon arc welding welding procedure the most according to claim 1, it is characterised in that
In the described first step, welding equipment uses automatic tungsten anode argon arc welding (TIG) circular seam welder, and nozzle bore is 8mm to 10mm；Pipe material selection A312TP316L, pipeline specifications 2 " to 10 ", pipeline wall thickness 3.91mm to 12.7mm；Welding material selects ER316L, and protective gas uses the argon of purity more than 99.99%, cerium tungsten electrode 2.4mm；Set welding parameter and include welding current 100A to 180A, arc voltage 10V to 11V, wire feed rate 300mm/min to 650mm/min, speed of welding 60mm/min to 100mm/min, swing width 3.5mm to 6mm；Gage of wire is 1.0mm-1.2mm；
In described second step, retaining wall on slope and assembling are to carry out retaining wall on slope in the welding end for the treatment of of pipeline to be welded, use V-shape groove, and the root face of this V-shape groove is 0mm to 1.5mm, and angle is 30 degree to 35 degree；This V-shape groove uses GTAW (TIG) method spot welding to assemble, and misalignment≤1mm, gap is 0mm to 2.5mm；
In described 3rd step, fixing pipeline to be welded is that pipeline to be welded is fixed on clamping device and rotary bracket, adjusts torch neck and V-shape groove centering, and torch neck becomes 85 degree to 90 degree angles with V-shape groove；Pipeline to be welded is fixed, after welding torch position has adjusted, readily soluble paper or adhesive tape is used to seal pipe one end to be welded and V-shape groove inner face, welded tube road internal argon-filling gas is treated from the other end, and use gas analyzer for O2 to treat weldering pipe interior to measure, make pipe interior oxygen content less than 0.1%；
In described 4th step, the welding portion treating welded tube road uses heat tape to preheat, and uses contact type thermometric indicator to measure preheating temperature in warm, and preheating temperature controls to be 20 ± 5 degree；
In described 5th step, after in the range of the two ends 25 ± 5mm of position to be welded, temperature reaches requirement, start rotary bracket and gun welder igniter power supply, automatic tungsten anode argon arc welding (TIG) method is used to weld, in welding process, welding gun is fixed on downhand position, being driven pipeline to be welded to carry out rotating welding by rotary bracket, in welding process, welding personnel is tracked, it is achieved welding process automation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610365647.3A CN105817749A (en) | 2016-05-27 | 2016-05-27 | Automatic tungsten inert gas (TIG) argon arc welding process for stainless steel pipelines |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610365647.3A CN105817749A (en) | 2016-05-27 | 2016-05-27 | Automatic tungsten inert gas (TIG) argon arc welding process for stainless steel pipelines |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216885A (en) * | 2016-08-21 | 2016-12-14 | 飞潮（无锡）过滤技术有限公司 | A kind of special welding activating agent of rustless steel weldering |
| CN108581119A (en) * | 2017-12-30 | 2018-09-28 | 安徽泉盛化工有限公司 | A kind of automatic regulation system of welding equipment |
| CN108655545A (en) * | 2017-03-28 | 2018-10-16 | 五冶集团上海有限公司 | The water soluble paper touches the application in mouthful argon arc welding in long range industrial pipeline transition joint |
| CN109648171A (en) * | 2019-02-27 | 2019-04-19 | 上海外高桥造船有限公司 | Stainless steel tube welding method |
| CN110369835A (en) * | 2019-06-26 | 2019-10-25 | 中船澄西船舶修造有限公司 | A kind of welding procedure of the S316L stainless steel pipes of cargo tank heating dish |
| CN111014898A (en) * | 2019-12-16 | 2020-04-17 | 安徽省工业设备安装有限公司 | Water-soluble paper argon-filling local protection welding method |
| CN111283306A (en) * | 2020-03-12 | 2020-06-16 | 无锡市普尔换热器制造有限公司 | Process for eliminating cracking tendency of argon arc welding seam of nickel-based stainless steel heat exchanger |
| CN111981323A (en) * | 2020-07-17 | 2020-11-24 | 深圳市佳士科技股份有限公司 | Welding and cutting equipment airflow control method and system, terminal equipment and storage medium |
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| JPH1177300A (en) * | 1997-09-12 | 1999-03-23 | Japan Steel & Tube Constr Co Ltd | Tig welding method for stainless steel tube |
| CN101862884A (en) * | 2010-06-08 | 2010-10-20 | 西安石油大学 | Pipe-pipe site butt welding method of continuous pipes |
| CN102266998A (en) * | 2011-07-25 | 2011-12-07 | 中国石化集团第四建设公司 | Automatic argon tungsten-arc welding method for small-bore titanium pipeline |
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| CN104759743A (en) * | 2015-04-23 | 2015-07-08 | 中国石油天然气第一建设公司 | Argon arc welding technological method for nickel base alloy tubes |
| CN104816070A (en) * | 2015-05-15 | 2015-08-05 | 中国海洋石油总公司 | Austenitic stainless steel pipeline welding process |
| CN104959710A (en) * | 2015-07-09 | 2015-10-07 | 成都振中电气有限公司 | Carbon steel pipe welding technology |
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2016
- 2016-05-27 CN CN201610365647.3A patent/CN105817749A/en active Pending
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| JPH1177300A (en) * | 1997-09-12 | 1999-03-23 | Japan Steel & Tube Constr Co Ltd | Tig welding method for stainless steel tube |
| CN101862884A (en) * | 2010-06-08 | 2010-10-20 | 西安石油大学 | Pipe-pipe site butt welding method of continuous pipes |
| CN102266998A (en) * | 2011-07-25 | 2011-12-07 | 中国石化集团第四建设公司 | Automatic argon tungsten-arc welding method for small-bore titanium pipeline |
| CN103894705A (en) * | 2014-04-09 | 2014-07-02 | 深圳市泰克尼林科技发展有限公司 | Austenitic stainless steel pipeline welding process |
| CN104759743A (en) * | 2015-04-23 | 2015-07-08 | 中国石油天然气第一建设公司 | Argon arc welding technological method for nickel base alloy tubes |
| CN104816070A (en) * | 2015-05-15 | 2015-08-05 | 中国海洋石油总公司 | Austenitic stainless steel pipeline welding process |
| CN104959710A (en) * | 2015-07-09 | 2015-10-07 | 成都振中电气有限公司 | Carbon steel pipe welding technology |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216885A (en) * | 2016-08-21 | 2016-12-14 | 飞潮（无锡）过滤技术有限公司 | A kind of special welding activating agent of rustless steel weldering |
| CN108655545A (en) * | 2017-03-28 | 2018-10-16 | 五冶集团上海有限公司 | The water soluble paper touches the application in mouthful argon arc welding in long range industrial pipeline transition joint |
| CN108581119A (en) * | 2017-12-30 | 2018-09-28 | 安徽泉盛化工有限公司 | A kind of automatic regulation system of welding equipment |
| CN109648171A (en) * | 2019-02-27 | 2019-04-19 | 上海外高桥造船有限公司 | Stainless steel tube welding method |
| CN110369835A (en) * | 2019-06-26 | 2019-10-25 | 中船澄西船舶修造有限公司 | A kind of welding procedure of the S316L stainless steel pipes of cargo tank heating dish |
| CN111014898A (en) * | 2019-12-16 | 2020-04-17 | 安徽省工业设备安装有限公司 | Water-soluble paper argon-filling local protection welding method |
| CN111283306A (en) * | 2020-03-12 | 2020-06-16 | 无锡市普尔换热器制造有限公司 | Process for eliminating cracking tendency of argon arc welding seam of nickel-based stainless steel heat exchanger |
| CN111981323A (en) * | 2020-07-17 | 2020-11-24 | 深圳市佳士科技股份有限公司 | Welding and cutting equipment airflow control method and system, terminal equipment and storage medium |
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Application publication date: 20160803 |