CN107824943A - A kind of depth melts arc-welding double welding gun welding procedure - Google Patents
A kind of depth melts arc-welding double welding gun welding procedure Download PDFInfo
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- CN107824943A CN107824943A CN201710865091.9A CN201710865091A CN107824943A CN 107824943 A CN107824943 A CN 107824943A CN 201710865091 A CN201710865091 A CN 201710865091A CN 107824943 A CN107824943 A CN 107824943A
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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
- B23K9/1675—Arc welding or cutting making use of shielding gas and of a non-consumable electrode making use of several electrodes
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Abstract
The embodiment of the invention discloses a kind of depth to melt arc-welding double welding gun welding procedure, and using integrated lock effect of holes TIG deep penetration weldings welding gun in preceding progress backing welding and argon arc welding gun in rear carry out welding cap, both are at a distance of 50mm ~ 150mm butt-welding fitting weldings simultaneously.It is good using protecting effect of the present invention; weldquality is high; and low welding deformation and stress can be reached; the arc stability in welding process; splash few; postwelding does not have to scarfing cinder, can be widely applied to the welding of the materials such as carbon steel alloy, stainless steel, titanium alloy, nickel-base alloy, cobalt alloy and zirconium, and can guarantee that extraordinary welding quality.
Description
Technical field
The present invention relates to a kind of cut deal arc welding technique, more particularly to a kind of depth to melt arc-welding double welding gun welding procedure.
Background technology
The equipment of the cut deal arc-welding of conventional carbon element alloy steel, stainless steel, titanium alloy, nickel-base alloy, cobalt alloy and zirconium etc.
And it is simple to operate, when welding charging efficiency is low, speed of welding is not higher than 150mm/min, welding gun vertical welding direction, high current
It is welded in the presence of arc force, appearance of weld easily produces undercut phenomenon.And deep molten argon arc welding is used to carry out above-mentioned material
It is difficult to once weld during welding and completes two-sided weld seam, and speed is slow.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, there is provided a kind of depth melts arc-welding double welding gun welding procedure.Can
Make welding bead once weld can two-sided formation and welding bead it is perfect, superior in quality.
In order to solve the above-mentioned technical problem, the embodiments of the invention provide a kind of depth to melt arc-welding double welding gun welding procedure, makes
Backing welding and argon arc welding gun are preceding being carried out in rear carry out welding cap with integrated lock effect of holes TIG deep penetration weldings welding gun, and both are apart
50mm ~ 150mm butt-welding fitting weldings simultaneously.
Further, the integrated lock effect of holes TIG deep penetration welding welding guns are vertical with weldment, the argon arc welding gun and institute
Angle is 10 degree ~ 30 degree between stating integrated lock effect of holes TIG deep penetration welding welding guns.
Further, the argon arc welding gun is installed in welding oscillator.
Further, the integrated lock effect of holes TIG deep penetration welding welding guns speed of welding is 200 mm/min ~ 900
Mm/min, the argon arc welding gun speed of welding are not higher than 150 mm/min.
Further, the integrated lock effect of holes TIG deep penetration welding welding guns welding current is the A of 270A ~ 680.
Implement the embodiment of the present invention, have the advantages that：Protecting effect of the present invention is good, and weldquality is high, and can reach
To low welding deformation and stress, the arc stability in welding process, splash few, postwelding does not have to scarfing cinder, can be widely applied to carbon
The welding of the materials such as steel alloy, stainless steel, titanium alloy, nickel-base alloy, cobalt alloy and zirconium, and can guarantee that extraordinary welding quality.
Brief description of the drawings
Fig. 1 is to implement structural representation corresponding to present invention process.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made further below in conjunction with accompanying drawing
It is described in detail.
A kind of depth of the embodiment of the present invention melts arc-welding double welding gun welding procedure, is one in front and one in back arranged along the weld seam of two pieces of welding plates
Two sets of welding guns are integrated lock effect of holes TIG deep penetration weldings welding gun 1 respectively in preceding, traditional argon arc welding gun 2 rear, while butt welding
Part carry out welding work, as shown in figure 1, make welding bead once weld can two-sided formation and welding bead it is perfect, superior in quality, Er Qiesheng
Efficiency is greatly improved, labor strength is greatly mitigated for production.
Wherein, integrated lock effect of holes TIG deep penetration welding welding guns are to apply the apllied Publication No. of the applicant
A kind of integrated lock effect of holes TIG deep penetration welding welding guns disclosed in 106735786A, and traditional argon arc welding gun such as prior art
Model wp-27 argon arc welding guns.
Above two welding gun is at a distance of 50mm ~ 150mm weldings of butt-welding fitting 3 simultaneously.
Both combine synchronous welding, and absolute advantage, profit are welded with the bottoming of cut deal using deep molten argon arc welding
With attractive in appearance shaping of traditional argon arc welding in weld cap.
Control in terms of speed of welding：
A. during deep molten bottom argon arc welding weldering, to form the complete penetraction and fusion in welding effect of complete rule, weld seam speed is not less than
250mm/min。
B. in order to avoid Welding undercut phenomenon, speed of welding are not higher than 150mm/min during traditional argon arc welding welding cap face.
Control in terms of weld width：
A. weld width is generally higher than 10mm during deep molten bottom argon arc welding weldering.
B. weld width is generally less than 8mm during traditional argon arc welding welding cap.
Traditional argon arc welding, during the vertical welding direction of welding gun, high current is welded in the presence of arc force using following behaviour
Make：
A. by installing welding oscillator additional on traditional argon-arc welding gun, weld seam is broadened and cover the width of backing weld seam.
B. it is integrated lock effect of holes TIG deep penetration welding welding guns is vertical with weldment, the vertical welding direction of traditional argon-arc welding gun
60 ~ 80 degree of angles of leaning forward are changed to, preferred scope is 75-80 degree angle, when the weld seam is welded under identical electric current, reduces arc force pair
The undercut phenomenon and welding temperature input quantity of weld seam, so as to improve speed of welding.
C. preceding welding gun is not being influenceed when welding using the waste heat of weld seam during advanced molten bottom argon arc welding weldering, traditional argon-arc welding gun
Close proximity to end molten bath under the premise of the stability of electric arc, speed of welding is improved so as to reduce electric current.
Welding embodiment presented below to different materials：
One) welding parameter
1st, electrode：6.4 millimeters of tungsten electrodes；
2nd, protective gas：High-purity argon gas, flow 15-20L/min；
3rd, the surface oxide layer and greasy dirt of welding region should be removed before welding（Including surface and the back side）；
4th, the about 150mm of the distance between spot welding, solder joint length 15m, thickness 1mm；
5th, cylinder both ends add striking to receive arc plate, length about 150mm respectively during longitudinal joint；
6th, back of weld will carry out corresponding back of the body gas shielded device, prevent sealing run from aoxidizing.
Two) the welding procedure guide of various steel is shown in the following table in detail
To the welding procedure of carbon steel and its steel alloy：
Thickness 3（mm）：Speed of welding 430（mm/min）, welding current 380（A）, gap 0.5（mm）；
Thickness 4（mm）：Speed of welding 400（mm/min）, welding current 400（A）, gap 0.5（mm）；
Thickness 6（mm）：Speed of welding 300（mm/min）, welding current 450（A）, gap 0.8（mm）, misalignment 1（mm）；
Thickness 8（mm）：Speed of welding 260（mm/min）, welding current 500（A）, gap 1.0（mm）, misalignment 1.5（mm）；
Thickness 10（mm）：Speed of welding 250（mm/min）, welding current 680（A）, gap 1.5（mm）Misalignment 1.5（mm）.
To the welding procedure of austenitic stainless steel and its nickel-base alloy：
Thickness 3（mm）：Speed of welding 500（mm/min）, welding current 270（A）, gap 0.5（mm）；
Thickness 4（mm）：Speed of welding 420（mm/min）, welding current 325（A）, gap 0.5（mm）；
Thickness 6（mm）：Speed of welding 380（mm/min）, welding current 425（A）, gap 0.8（mm）, misalignment 1（mm）；
Thickness 8（mm）：Speed of welding 320（mm/min）, welding current 480（A）, gap 1.0（mm）；Misalignment 1.5（mm）；
Thickness 10（mm）：Speed of welding 270（mm/min）, welding current 500（A）, gap 1.5（mm）Misalignment 1.5（mm）；
Thickness 12（mm）：Speed of welding 210（mm/min）, welding current 500（A）, gap 1.5（mm）Misalignment 1.5（mm）.
To the welding procedure of titanium alloy, cobalt alloy and zirconium：
Thickness 3（mm）：Speed of welding 900（mm/min）, welding current 380（A）, gap 0.5（mm）；
Thickness 4（mm）：Speed of welding 500（mm/min）, welding current 400（A）, gap 0.5（mm）；
Thickness 6（mm）：Speed of welding 400（mm/min）, welding current 450（A）, gap 0.8（mm）, misalignment 1（mm）；
Thickness 8（mm）：Speed of welding 350（mm/min）, welding current 450（A）, gap 1.0（mm）, misalignment 1.5（mm）；
Thickness 10（mm）：Speed of welding 320（mm/min）, welding current 470（A）, gap 1.5（mm）, misalignment 1.5（mm）；
Thickness 13（mm）：Speed of welding 300（mm/min）, welding current 560（A）, gap 1.5（mm）, misalignment 1.5（mm）；
Thickness 16（mm）：Speed of welding 200（mm/min）, welding current 680（A）, gap 2.0（mm）, misalignment 1.5（mm）.
Advantages below can be reached using the present invention：
1st, protecting effect is good, and weldquality is high.Argon gas does not react with metal, is also insoluble in metal, welding process is substantially
It is metal molten and the simple procedure of crystallization, therefore more pure and high quality weld seam can be obtained.
2nd, welding deformation and stress.Because arc is by the compression and cooling effect of argon gas stream, in arc heat quantity set, heat affected area
Very narrow, welding deformation is small with stress.
3rd, arc stability, splash few, postwelding does not have to scarfing cinder.
4th, welding includes the materials such as carbon steel alloy, stainless steel, titanium alloy, nickel-base alloy, cobalt alloy and zirconium, can guarantee that super
Normal welding quality.
The above disclosed power for being only a kind of preferred embodiment of the present invention, the present invention can not being limited with this certainly
Sharp scope, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (5)
1. a kind of depth melts arc-welding double welding gun welding procedure, it is characterised in that is existed using integrated lock effect of holes TIG deep penetration welding welding guns
Preceding progress backing welding and argon arc welding gun is in rear carry out welding cap, and both are at a distance of 50mm ~ 150mm butt-welding fitting weldings simultaneously.
2. depth according to claim 1 melts arc-welding double welding gun welding procedure, it is characterised in that the integrated lock effect of holes
TIG deep penetration welding welding guns are vertical with weldment, pressed from both sides between the argon arc welding gun and the integrated lock effect of holes TIG deep penetration welding welding guns
Angle is 10 degree ~ 30 degree.
3. depth according to claim 2 melts arc-welding double welding gun welding procedure, it is characterised in that adds the argon arc welding gun
Loaded in welding oscillator.
4. depth according to claim 3 melts arc-welding double welding gun welding procedure, it is characterised in that the integrated lock effect of holes
TIG deep penetration welding welding guns speed of welding is the mm/min of 200 mm/min ~ 900, and the argon arc welding gun speed of welding is not higher than 150
mm/min。
5. depth according to claim 4 melts arc-welding double welding gun welding procedure, it is characterised in that the integrated lock effect of holes
TIG deep penetration welding welding guns welding current is 270A ~ 680A.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710865091.9A CN107824943A (en) | 2017-09-22 | 2017-09-22 | A kind of depth melts arc-welding double welding gun welding procedure |
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| CN201710865091.9A CN107824943A (en) | 2017-09-22 | 2017-09-22 | A kind of depth melts arc-welding double welding gun welding procedure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091067A (en) * | 2019-06-06 | 2019-08-06 | 上海工程技术大学 | A kind of laser and K-TIG complex welding method for welding cut deal |
| CN110899920A (en) * | 2019-12-11 | 2020-03-24 | 中车长江车辆有限公司 | Girth welding method for low-alloy steel low-temperature pressure container tank body |
| CN112809135A (en) * | 2021-01-15 | 2021-05-18 | 广东福维德焊接股份有限公司 | Automatic efficient deep-melting argon arc welding process for 9Ni steel |
| CN113927192A (en) * | 2021-10-29 | 2022-01-14 | 中国船舶重工集团公司第七二五研究所 | Welding method of large-size titanium alloy pipeline |
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| CN102151959A (en) * | 2011-03-09 | 2011-08-17 | 山东大学 | High-speed welding production process and device for thin-walled steel tubes |
| CN104708179A (en) * | 2013-06-05 | 2015-06-17 | 天津大学 | Application of double-TIG welding method to implementation of thick plate welding |
| CN105127553A (en) * | 2015-07-08 | 2015-12-09 | 广东福维德焊接股份有限公司 | Control system for lockhole effect TIG deep penetration welding welder and control method |
| CN105195875A (en) * | 2014-06-13 | 2015-12-30 | 广东福维德焊接股份有限公司 | Welding gun of lockhole effect TIG deep penetration welding |
| CN106735786A (en) * | 2017-01-23 | 2017-05-31 | 广东福维德焊接股份有限公司 | A kind of integrated lock effect of holes TIG deep penetration welding welding guns |
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2017
- 2017-09-22 CN CN201710865091.9A patent/CN107824943A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151959A (en) * | 2011-03-09 | 2011-08-17 | 山东大学 | High-speed welding production process and device for thin-walled steel tubes |
| CN104708179A (en) * | 2013-06-05 | 2015-06-17 | 天津大学 | Application of double-TIG welding method to implementation of thick plate welding |
| CN105195875A (en) * | 2014-06-13 | 2015-12-30 | 广东福维德焊接股份有限公司 | Welding gun of lockhole effect TIG deep penetration welding |
| CN105127553A (en) * | 2015-07-08 | 2015-12-09 | 广东福维德焊接股份有限公司 | Control system for lockhole effect TIG deep penetration welding welder and control method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091067A (en) * | 2019-06-06 | 2019-08-06 | 上海工程技术大学 | A kind of laser and K-TIG complex welding method for welding cut deal |
| CN110899920A (en) * | 2019-12-11 | 2020-03-24 | 中车长江车辆有限公司 | Girth welding method for low-alloy steel low-temperature pressure container tank body |
| CN112809135A (en) * | 2021-01-15 | 2021-05-18 | 广东福维德焊接股份有限公司 | Automatic efficient deep-melting argon arc welding process for 9Ni steel |
| CN112809135B (en) * | 2021-01-15 | 2021-09-14 | 广东福维德焊接股份有限公司 | Automatic efficient deep-melting argon arc welding process for 9Ni steel |
| CN113927192A (en) * | 2021-10-29 | 2022-01-14 | 中国船舶重工集团公司第七二五研究所 | Welding method of large-size titanium alloy pipeline |
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