CN204160053U - A kind of large root face is without the pipeline TIG Welding Structure of group to gap - Google Patents
A kind of large root face is without the pipeline TIG Welding Structure of group to gap Download PDFInfo
- Publication number
- CN204160053U CN204160053U CN201420519769.XU CN201420519769U CN204160053U CN 204160053 U CN204160053 U CN 204160053U CN 201420519769 U CN201420519769 U CN 201420519769U CN 204160053 U CN204160053 U CN 204160053U
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- welding
- gap
- pipeline
- groove
- group
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- 238000003466 welding Methods 0.000 claims abstract description 95
- 239000011324 bead Substances 0.000 claims abstract description 4
- 239000000945 filler Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 abstract description 9
- 238000005476 soldering Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 16
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 14
- 230000035515 penetration Effects 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 7
- 239000010935 stainless steel Substances 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 230000003213 activating effect Effects 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- 239000010937 tungsten Substances 0.000 description 6
- 229910000975 Carbon steel Inorganic materials 0.000 description 5
- 239000010962 carbon steel Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model relates to a kind of large root face without the pipeline TIG Welding Structure of group to gap, and comprise the bevel for welding of adjacent channel butt welding place, it is characterized in that: described bevel for welding comprises groove and lower groove, described lower groove part gap is 0mm, and angle is 0 °.Described pipe wall thickness is 4 ~ 6mm, and the closed welding bead that described upper groove is gap is 0mm, angle is 0 °, described lower groove is backing run.Described pipe wall thickness is 8mm, and described upper groove is V-type, and described upper groove comprises filler pass and final pass.Be characterized in that welding speed of welding is fast, reduce bevel for welding difficulty of processing, reduce soldering group to difficulty, saving welding material, Site Welding flexible operation.
Description
Technical field
The utility model relates to a kind of Welding Structure, and especially a kind of large root face, without the pipeline TIG Welding Structure of group to gap, belongs to welding technology field.
Background technology
When pipe prefabrication is installed, the pipeline of conveying important medium generally adopts manual argon arc welding or manual argon arc welding bottoming manual electric arc welding to fill capping, higher to welder's skill set requirements.Adopting pipeline position automatic welding method, is also generally be processed into the double V-groove that little root face has gap.Not only welding operation skill set requirements is high, and workload is large, and welding efficiency is low, and labour intensity is high, and welding quality not easily ensures, consumable quantity is large, and cost is high.
Retrieval finds, publication number is that the Chinese invention patent of CN200910083936 discloses a kind of penetration agent for stainless steel A-TIG weldering and using method thereof.This penetration agent comprises powder fractions and liquid carrier, the composition of powder fractions.In use powder fractions is added liquid carrier, become pasty state, pasty state penetration agent is applied surface of the work to be welded, coating widths is 15 ~ 30mm, welds after liquid carrier volatilization.Under identical welding conditions condition, use penetration agent of the present invention that welding penetration can be made to increase by 3 times.This penetration agent uses simple, effectively can reduce welding deformation, and reduces the sensitiveness of weld penetration to the fluctuation of mother metal trace element, and the mechanical performance of butt welded seam tissue and weld seam is all without impact.
In addition, publication number is that the Chinese invention patent of CN200810018263 discloses a kind of arc assisted activating gas tungsten arc welding method, it is characterized in that first adopting small area analysis tungsten electrode arc premelt welding bead surface to be welded, and using the mist of active gases oxygen or carbon dioxide and argon gas as protective gas, after waiting molten bath to solidify, carry out Gas Tungsten Arc Welding by normal weld specification again; Relative to A-TIG weldering, the method does not use surfactant.
Above-mentioned patent solves the Welding Problems of stainless steel A-TIG weldering and arc assisted activating gas tungsten arc welding respectively with very concrete welding procedure, but owing to welding complexity, retaining wall on slope, group are larger to difficulty, welding material waste is serious, and is not suitable for the pipeline automatic welding of about 4 ~ 8mm mean wall thickness.
Utility model content
Technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, provides that a kind of speed of welding is fast, quality is high, retaining wall on slope difficulty and the little large root face of welding deformation be without the pipeline TIG Welding Structure of group to gap.
In order to solve above technical problem, the utility model provides a kind of large root face without the pipeline TIG Welding Structure of group to gap, comprise the bevel for welding of adjacent channel butt welding place, it is characterized in that: described bevel for welding comprises groove and lower groove, described lower groove part gap is 0mm, and angle is 0 °.
The technical scheme that the utility model limits further is:
Further, described butt welding place groove is I type.
Further, described pipe wall thickness is 4 ~ 6mm, and the closed welding bead that described upper groove is gap is 0mm, angle is 0 °, described lower groove is backing run.
Further, described pipe wall thickness is 8mm, and described upper groove is V-type, and described upper groove comprises filler pass and final pass.
Further, described lower groove is gap is 0mm, the degree of depth to be 6mm and angle the be backing run of 0 °, and in described V-type, the angle of groove is 60 °, and the degree of depth is 2mm.
The beneficial effects of the utility model are: the utility model has properly settled the Welding Problems of mean wall thickness pipeline with practicable Welding Structure, compared with prior art, there is following features: speed of welding is fast: general T IG welding penetration is shallow, speed is slow, and pipeline A-TIG gapless automatic welding fusion penetration is about its 3 times, speed of welding is its 2 ~ 3 times, and the pipeline welding of intermediate gauge has more superiority.Welding quality is high: insensitive to the trace element fluctuation of welding material, welding penetration is stablized, and can guarantee that the pipeline of 4 ~ 8mm mean wall thickness forms high-quality welding.Reduce retaining wall on slope difficulty, reduction group, to difficulty, saves welding material.Conventional pipeline bevel for welding gap is 2 ~ 4mm, and angle is 55 ° ~ 65 °, and large root face is 0mm without the pipeline TIG Welding Structure groove gap of group to gap, root angle is 0 °, and retaining wall on slope, group are to relatively easily, and backing run need not fill silk, welding wire consumption is few, and cost is low.Welding deformation is little.Due to backing run gapless, whole weld bond layer is few, so welding deformation is very little.Application is wide, can be used in the welding of carbon steel and stainless steel pipes, be easy to realize Automation of Welding.
Accompanying drawing explanation
Be described further below in conjunction with embodiment 1 and 2 pairs of the utility model:
Fig. 1 is the bevel for welding structural representation of the utility model embodiment 1.
Fig. 2 is the welding process schematic diagram of Fig. 1 embodiment bevel for welding.
Fig. 3 is the bevel for welding structural representation of the utility model embodiment 2.
Fig. 4 is the welding process schematic diagram of Fig. 3 embodiment bevel for welding.
Detailed description of the invention
Embodiment 1
The large root face that the present embodiment provides without group to the pipeline TIG Welding Structure in gap as shown in Figure 1, comprise the adjacent tube wall forming Pipeline butt place I type bevel for welding, wall thickness d is the carbon steel tube wall of 4mm and the stainless steel tube wall of 6mm, and the gap of I type bevel for welding is 0mm; Groove angle is 0 °.The root of I type bevel for welding is backing run 1, is the closed weld that final pass 2 is formed outside backing run.
Its welding concrete steps are as follows:
The first step, make Pipeline butt place form I type bevel for welding, as shown in Figure 1, gap is 0mm, and groove angle is 0 °, contribute to like this reducing retaining wall on slope difficulty, reduction group to difficulty, reduce welding deformation, ensure weld strength.
Second step, employing have the AUTOCWM-A automatic inert gas tungsten electrode protection weldering TIC soldering equipment that welding wire gives function automatically, prepare Ф 1.0mm solid core welding wire.
3rd step, pressed powder A-TIG is welded activating agent by the industrial acetone of every 10 grams of proportionings 20 ~ 30 milliliters, carry out Homogeneous phase mixing.
4th step, use are dry, and clean brush picks activating agent, and even application is on tube groove surface to be welded, and coating widths is about 10 ~ 20mm.After acetone volatilization, in 30 minutes, carry out TIG automatic welding.
5th step, carry out backing welding at pipeline joint, as Fig. 2, cosmetic welding 2 is carried out on backing weld seam basis, welding parameter, in table 1, forms closed weld.
Protective gas in the present embodiment is one of following gas: the mist of argon gas, argon gas and other gases.
Pipe material in the present embodiment is one of following material: carbon steel, stainless steel.
Table 1 pipeline welding process parameter
Embodiment 2
The large root face of the present embodiment without group to the pipeline TIG Welding Structure in gap as shown in Figure 3, comprise the adjacent tube wall forming Pipeline butt place I type bevel for welding, wall thickness d ' is selected to be 8mm carbon steel tube wall and stainless steel tube wall, the root of I type bevel for welding is backing run 1, is the closed weld that filler pass 2 and final pass 3 are formed outside backing run.The pipeline bottom intersegmental gap of groove is 0mm, and angle is 0 °, and the degree of depth is 6mm; Top groove section is V-type, and angle is 60 °, and the degree of depth is 2mm.
Its welding concrete steps are as follows:
The first step, make Pipeline butt place form I type bevel for welding, as shown in Figure 3, gap is 0mm, and groove root angle is 0 °, contribute to like this reducing retaining wall on slope difficulty, reduction group to difficulty, reduce welding deformation, ensure weld strength.
Second step, employing have the AUTOCWM-A automatic inert gas tungsten electrode protection weldering TIC soldering equipment that welding wire gives function automatically, prepare Ф 1.0mm solid core welding wire.
3rd step, pressed powder A-TIG is welded activating agent by the industrial acetone of every 10 grams of proportionings 20 ~ 30 milliliters, carry out Homogeneous phase mixing.
4th step, use are dry, and clean brush picks activating agent, and even application is at surface of the work to be welded, and coating widths is about 10 ~ 20mm.After acetone volatilization, in 30 minutes, carry out TIG weldering.
5th step, carry out backing welding at pipeline joint, as Fig. 4, backing weld seam basis is carried out filling weldering 2 and cosmetic welding 3, welding parameter, in table 2, forms closed weld.
Protective gas in the present embodiment is one of following gas: the mist of argon gas, argon gas and other gases.
Pipe material in the present embodiment is one of following material: carbon steel, stainless steel.
Table 2 pipeline welding process parameter
Feature of the present utility model be welding speed of welding fast, reduce bevel for welding difficulty of processing, reduce soldering group to difficulty, save welding material, Site Welding flexible operation.In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (5)
1. large root face is without the pipeline TIG Welding Structure of group to gap, comprises the bevel for welding of adjacent channel butt welding place, it is characterized in that: described bevel for welding comprises groove and lower groove, and described lower groove part gap is 0mm, and angle is 0 °.
2. a kind of large root face according to claim 1 is without the pipeline TIG Welding Structure of group to gap, it is characterized in that: described butt welding place groove is I type.
3. large root face according to claim 1 and 2 is without the pipeline TIG Welding Structure of group to gap, it is characterized in that: described pipe wall thickness is 4 ~ 6mm, and the closed welding bead that described upper groove is gap is 0mm, angle is 0 °, described lower groove is backing run.
4. large root face according to claim 1 and 2 is without the pipeline TIG Welding Structure of group to gap, and it is characterized in that: described pipe wall thickness is 8mm, described upper groove is V-type, and described upper groove comprises filler pass and final pass.
5. large root face according to claim 4 is without the pipeline TIG Welding Structure of group to gap, it is characterized in that: described lower groove is gap is 0mm, the degree of depth to be 6mm and angle the be backing run of 0 °, in described V-type, the angle of groove is 60 °, and the degree of depth is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420519769.XU CN204160053U (en) | 2014-09-10 | 2014-09-10 | A kind of large root face is without the pipeline TIG Welding Structure of group to gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420519769.XU CN204160053U (en) | 2014-09-10 | 2014-09-10 | A kind of large root face is without the pipeline TIG Welding Structure of group to gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204160053U true CN204160053U (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420519769.XU Expired - Fee Related CN204160053U (en) | 2014-09-10 | 2014-09-10 | A kind of large root face is without the pipeline TIG Welding Structure of group to gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204160053U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112620988A (en) * | 2020-12-21 | 2021-04-09 | 华能山东石岛湾核电有限公司 | Process for reducing welding deformation |
| CN113770535A (en) * | 2021-09-28 | 2021-12-10 | 江苏众信绿色管业科技有限公司 | Welding process for end part of stainless steel composite steel part |
| CN115351391A (en) * | 2022-08-15 | 2022-11-18 | 金鲁鼎焊接(山东)有限公司 | Active argon arc automatic root welding method for stainless steel pipe butt joint |
-
2014
- 2014-09-10 CN CN201420519769.XU patent/CN204160053U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112620988A (en) * | 2020-12-21 | 2021-04-09 | 华能山东石岛湾核电有限公司 | Process for reducing welding deformation |
| CN113770535A (en) * | 2021-09-28 | 2021-12-10 | 江苏众信绿色管业科技有限公司 | Welding process for end part of stainless steel composite steel part |
| CN115351391A (en) * | 2022-08-15 | 2022-11-18 | 金鲁鼎焊接(山东)有限公司 | Active argon arc automatic root welding method for stainless steel pipe butt joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |