CN108213655A - Argon arc welding welding deformation controlling method at air collector ozzle - Google Patents
Argon arc welding welding deformation controlling method at air collector ozzle Download PDFInfo
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- CN108213655A CN108213655A CN201810031455.8A CN201810031455A CN108213655A CN 108213655 A CN108213655 A CN 108213655A CN 201810031455 A CN201810031455 A CN 201810031455A CN 108213655 A CN108213655 A CN 108213655A
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- welding
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- air collector
- ozzle
- collector
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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
-
- 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
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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)
- Exhaust Silencers (AREA)
Abstract
The invention discloses for the control method of argon arc welding welding deformation controlling method, particularly part thickness at annular radiator superficial air collector ozzle for welding deformation during the air collector lap fillet weld weld of 0.6~1.2mm.Air collector (1) and transition rings (2) are welded first, then air collector (1) is struck and cydariform is made, that is air collector (1) outer surface external drum, bulging amount about 1.5mm, again respectively by air collector (1) and air bellows (4), transition rings (2) carry out tack welding with exhaust joint (3), tack welding solder joint length is controlled in the range of 3~7mm, and transition rings (2) are to be evenly distributed at 4 with exhaust joint (3) anchor point, then using balanced welding and segmentation weldering gimmick welding, air collector (1) outer surface welding deformation amount can be achieved after welding in the range of 1~3mm.
Description
Technical field
The present invention relates to a kind of techniques of argon arc welding weld industry at annular radiator superficial air collector ozzle
The control method of welding deformation in the stainless steel material argon arc welding welding process that method, particularly thickness are 0.6~1.2mm.
Background technology
Annular radiator product improves product radiating efficiency to reduce product weight, and part is mostly thin-wall part, production
Product are welded through argon arc welding, and welding deformation is always the production difficult point of product, wherein especially with superficial air collection tube
Welding deformation at mouth is the most serious, control requirement of the deflection more than 5mm after often welding, and the country of China is without similar structures
Argon arc welding weld industry experience can for reference, and the welding deformation at superficial air collector ozzle has become restriction ring
The technological difficulties that shape radiator product is delivered for use.The present invention is precisely in order to solve this difficult point, to ensure that Product jointing deforms
The requirement of amount.
Invention content
The purpose of the present invention is：Argon arc welding welding deformation at a kind of air collector ozzle on annular radiator surface is provided
Control method so that the welding deformation amount at annular radiator air collector ozzle is can be controlled in the range of 1~3mm, is ensured
Technology requirement.
The invention is realized in this way：
Argon arc welding welding deformation controlling method at air collector ozzle, including air collector, transition rings, exhaust joint
With the welding of air bellows, using symmetry axis at air collector ozzle as Y-axis, perpendicular to symmetry axis and to cross ozzle center
Vertical line is X-axis, is that X-axis is positive on the right side of symmetry axis, using ozzle center as coordinate axis origin,
The first step welds air collector and transition rings；
Air collector is struck and cydariform is made by second step；
Third walks, and air collector and air bellows, transition rings and exhaust joint are carried out tack welding respectively；
4th step will be that air bellows in the range of -115 °~-65 ° is welded with air collector with X-axis angle
It connects；
5th step will be air bellows and sky in the range of -145 °~-115 °, -65 °~-35 ° with X-axis angle respectively
Gas collector is welded；
6th step will be transition rings and exhaust joint in the range of -135 °~-45 °, 45 °~135 ° with X-axis angle respectively
It is welded；
7th step will be air bellows and sky in the range of -11 °~-8 °, -172 °~-169 ° with X-axis angle respectively
Gas collector is welded；
8th step will be transition rings and exhaust joint in the range of -45 °~45 °, 135 °~225 ° with X-axis angle respectively
It is welded；
9th step will be air bellows and sky in the range of -15 °~-11 °, -169 °~-165 ° with X-axis angle respectively
Gas collector is welded；
Tenth step will be air bellows and sky in the range of -35 °~-15 °, -165 °~-145 ° with X-axis angle respectively
Gas collector is welded.
In the second step, cydariform outward bulge output about 1.5mm.
In the third step, tack welding solder joint length is controlled in the range of 3~7mm, and transition rings 2 are positioned with exhaust joint
Point is to be evenly distributed at 4.
Shape at the air collector ozzle is arc (arch section at R150 as shown in Figure 1).
The welding position of the exhaust joint is circle.
The air cross-sectional shape of bellows is semicircle.
Air collector and transition rings are welded first by the present invention, then strike air collector and cydariform is made, i.e., empty
Gas collector outer surface external drum, bulging amount about 1.5mm, then respectively by air collector and air bellows, transition rings and exhaust
Connector carries out tack welding, and tack welding solder joint length is controlled in the range of 3~7mm, and transition rings and exhaust joint anchor point are at 4
It is uniformly distributed, then using balanced welding and segmentation weldering gimmick welding product, air collector outer surface welding deformation can be achieved after welding
Amount is in the range of 1~3mm.
Alternatively, the shape at air collector ozzle can be arc or other shapes.
Alternatively, the welding position of exhaust joint can be round or other symmetric shapes.
Alternatively, there can be transition rings between air collector and exhaust joint, it also can be without transition rings.
Alternatively, air cross-sectional shape of bellows can be semicircle or other cross sectional shapes.
Exhaust joint can be fixed on component matrix, can also vacantly design that (exhaust joint is fixed on component basal body structure
Fig. 2 is please referred to, hanging design please refers to Fig. 5).
Processing method of the present invention can effectively solve the problem that annular radiator superficial air collection tube by segmented welding
Welding deformation problem at mouth, the weld seam of segmentation can offset weld seam internal stress, reduce and produced in welding process to a certain extent
Raw welding deformation ensures the deflection requirement that product allows.
The present invention is described in detail below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is that (light grey lines part is weldering to structure diagram at annular radiator superficial air collector ozzle in figure
Connect position)；
Fig. 2 is the schematic diagram of A-A sections in Fig. 1；
Fig. 3 is the schematic diagram of B-B sections in Fig. 1；
Fig. 4 is welding sequence schematic diagram at annular radiator superficial air collector ozzle；
Fig. 5 is the schematic diagram that exhaust joint is vacantly set；
In figure：1-air collector；2-transition rings；3-exhaust joint；4-air bellows.
Specific embodiment
Technical scheme of the present invention is further described below in conjunction with the accompanying drawings, but claimed range is not limited to institute
It states.
It as shown in Figures 1 to 3, need to be to carrying out welding, welding position packet at the annular radiator superficial air collector ozzle
Two parts are included, a part is that air collector 1 (in Fig. 1 at light grey lines, includes two with 4 junction of air bellows
Straight line and a camber line), another part is transition rings 2 and 3 junction of exhaust joint (in Fig. 1 at light grey circle lines),
Middle 1 part wall thickness of air collector is 0.6mm, and 2 part wall thickness of transition rings is 1.2mm, and 3 welding portion thickness of exhaust joint is
1.2mm, 4 part wall thickness of air bellows are 1.0mm, and the welding manner used is manual argon arc welding.Under its welding process includes
State step：
The first step：2 groups of air collector 1 and transition rings are welded into sub-assembly；
Second step：The sub-assembly that air collector in the first step 1 and transition rings 2 are formed is struck, outer cydariform is made, bulging amount
(upper surface that cydariform refers to air collector 1 is made in striking here to about 1.5mm, i.e. 1 arrow meaning surface of numeral mark in Fig. 2
It heaves, need to again be struck after air collector 1 and transition rings 2 weld upwards)；
Third walks：By air collector sub-assembly and circular radiating device assembly (air collector 1 and air bellows 4, mistake
Crossing ring 2 and exhaust joint 3) tack welding fixes, 3~7mm of tack welding solder joint length；
4th step：Welding sequence 1' as shown in Figure 4, using symmetry axis at air collector ozzle as Y-axis, with perpendicular to right
Axis and the vertical line at ozzle center excessively are referred to as X-axis, are that X-axis is positive on the right side of symmetry axis, will be with X using ozzle center as coordinate axis origin
Axle clamp angle is welded for the air bellows 4 in the range of (- 115 °~-65 °) with air collector 1, unilateral 3~5 herein
Wave；
5th step：Welding sequence 2' and 3' as shown in Figure 4, using symmetry axis at air collector ozzle as Y-axis, with vertical
In symmetry axis and the vertical line of crossing ozzle center be X-axis, it is positive for X-axis on the right side of symmetry axis, using ozzle center as coordinate axis origin, divide
Will not be with X-axis angle (- 145 °~-115 °), the air bellows 4 in the range of (- 65 °~-35 °) and air collector 1 into
Row welds, and respectively has 3 waves in the range of (- 145 °~-115 °), (- 65 °~-35 °)；
6th step：Welding sequence 4' and 5' as shown in Figure 4, using symmetry axis at air collector ozzle as Y-axis, with vertical
In symmetry axis and the vertical line of crossing ozzle center be X-axis, it is positive for X-axis on the right side of symmetry axis, using ozzle center as coordinate axis origin, divide
To be not (- 135 °~-45 °) with X-axis angle, the transition rings 2 in the range of (45 °~135 °) are welded with exhaust joint 3；
7th step：Welding sequence 6' and 7' as shown in Figure 4, using symmetry axis at air collector ozzle as Y-axis, with vertical
In symmetry axis and the vertical line of crossing ozzle center be X-axis, it is positive for X-axis on the right side of symmetry axis, using ozzle center as coordinate axis origin, divide
To be not (- 11 °~-8 °) with X-axis angle, the air bellows 4 in the range of (- 172 °~-169 °) is carried out with air collector 1
It welds, cold dish seam crossing respectively includes 5 waves in the range of (- 11 °~-8 °), (- 172 °~-169 °)；
8th step：Welding sequence 8' and 9' as shown in Figure 4, using symmetry axis at air collector ozzle as Y-axis, with vertical
In symmetry axis and the vertical line of crossing ozzle center be X-axis, it is positive for X-axis on the right side of symmetry axis, using ozzle center as coordinate axis origin, divide
To be not (- 45 °~45 °) with X-axis angle, the transition rings 2 in the range of (135 °~225 °) are welded with exhaust joint 3；
9th step：Welding sequence 10' and 11' as shown in Figure 4, using symmetry axis at air collector ozzle as Y-axis, to hang down
It is positive for X-axis on the right side of symmetry axis directly in symmetry axis and to cross the vertical line at ozzle center be X-axis, using ozzle center as coordinate axis origin,
To be (- 15 °~-11 °), the air bellows 4 in the range of (- 169 °~-165 °) and air collector 1 with X-axis angle respectively
It is welded, 3~5 waves is respectively included in the range of (- 15 °~-11 °), (- 169 °~-165 °)；
Tenth step：Welding sequence 12' and 13' as shown in Figure 4, using symmetry axis at air collector ozzle as Y-axis, to hang down
It is positive for X-axis on the right side of symmetry axis directly in symmetry axis and to cross the vertical line at ozzle center be X-axis, using ozzle center as coordinate axis origin,
To be (- 35 °~-15 °), the air bellows 4 in the range of (- 165 °~-145 °) and air collector 1 with X-axis angle respectively
It is welded, 3~5 waves is respectively included at the R that transfers in the range of (- 35 °~-15 °), (- 165 °~-145 °).
Welding sequence as shown in Figure 4 and welding range welding successively, can obtain 1 surface deformation of air collector after welding
Measure the welding result in 0~3mm.
The present invention is suitable for similar welded welding, it is by being segmented welding, welding interior stress of cancelling out each other, and solves
Due to the uncontrollable problem of welding deformation amount that internal stress generates in welding process, it is ensured that the welding quality and technology of product will
It asks.
Claims (6)
1. argon arc welding welding deformation controlling method at air collector ozzle, including air collector (1), transition rings (2), exhaust
The welding of connector (3) and air bellows (4), it is characterised in that：Using symmetry axis at air collector (1) ozzle as Y-axis, to hang down
It is positive for X-axis on the right side of symmetry axis directly in symmetry axis and to cross the vertical line at ozzle center be X-axis, using ozzle center as coordinate axis origin,
The first step, welding air collector (1) and transition rings (2)；
Air collector (1) is struck and cydariform is made by second step；
Third walks, and respectively positions air collector (1) and air bellows (4), transition rings (2) and exhaust joint (3)
Weldering；
4th step will be that air bellows (4) in the range of -115 °~-65 ° is welded with air collector (1) with X-axis angle
It connects；
5th step will be air bellows (4) and sky in the range of -145 °~-115 °, -65 °~-35 ° with X-axis angle respectively
Gas collector (1) is welded；
6th step will be transition rings (2) and exhaust joint in the range of -135 °~-45 °, 45 °~135 ° with X-axis angle respectively
(3) it is welded；
7th step will be air bellows (4) and air in the range of -11 °~-8 °, -172 °~-169 ° with X-axis angle respectively
Collector (1) is welded；
8th step will be transition rings (2) and exhaust joint in the range of -45 °~45 °, 135 °~225 ° with X-axis angle respectively
(3) it is welded；
9th step will be air bellows (4) and sky in the range of -15 °~-11 °, -169 °~-165 ° with X-axis angle respectively
Gas collector (1) is welded；
Tenth step will be air bellows (4) and sky in the range of -35 °~-15 °, -165 °~-145 ° with X-axis angle respectively
Gas collector (1) is welded.
2. argon arc welding welding deformation controlling method at air collector ozzle according to claim 1, it is characterised in that：Institute
It states in second step, cydariform outward bulge output about 1.5mm.
3. argon arc welding welding deformation controlling method at air collector ozzle according to claim 1, it is characterised in that：Institute
It states in third step, tack welding solder joint length is controlled in the range of 3~7mm, and transition rings (2) and exhaust joint (3) anchor point are 4
Place is uniformly distributed.
4. argon arc welding welding deformation controlling method at air collector ozzle according to claim 1, it is characterised in that：Institute
The shape at air collector (1) ozzle stated is arc.
5. argon arc welding welding deformation controlling method at the air collector ozzle according to claim 1 or 4, feature exist
In：The welding position of the exhaust joint (3) is circle.
6. argon arc welding welding deformation controlling method at the air collector ozzle according to claim 1 or 4, feature exist
In：Air bellows (4) cross sectional shape is semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810031455.8A CN108213655B (en) | 2018-01-12 | 2018-01-12 | Argon arc welding deformation control method at air collector pipe nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810031455.8A CN108213655B (en) | 2018-01-12 | 2018-01-12 | Argon arc welding deformation control method at air collector pipe nozzle |
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| Publication Number | Publication Date |
|---|---|
| CN108213655A true CN108213655A (en) | 2018-06-29 |
| CN108213655B CN108213655B (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810031455.8A Active CN108213655B (en) | 2018-01-12 | 2018-01-12 | Argon arc welding deformation control method at air collector pipe nozzle |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008238190A (en) * | 2007-03-26 | 2008-10-09 | Hitachi-Ge Nuclear Energy Ltd | Method for improving residual stress of piping |
| CN104588958A (en) * | 2014-12-03 | 2015-05-06 | 东方电气集团东方锅炉股份有限公司 | Method for controlling deformation generated when connection pipe is welded to large-diameter thin-wall barrel |
| CN204504638U (en) * | 2014-12-22 | 2015-07-29 | 中国核工业华兴建设有限公司 | Deformation control frock is used in the welding of thin-wall circular well type stainless steel cylinder |
| CN104924090A (en) * | 2015-07-06 | 2015-09-23 | 天津赛瑞机器设备有限公司 | Backing ring manufacturing process |
| CN206702438U (en) * | 2017-05-02 | 2017-12-05 | 天顺（珠海）新能源有限公司 | A kind of wind-power tower top flange welding deformation controller in hole |
-
2018
- 2018-01-12 CN CN201810031455.8A patent/CN108213655B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008238190A (en) * | 2007-03-26 | 2008-10-09 | Hitachi-Ge Nuclear Energy Ltd | Method for improving residual stress of piping |
| CN104588958A (en) * | 2014-12-03 | 2015-05-06 | 东方电气集团东方锅炉股份有限公司 | Method for controlling deformation generated when connection pipe is welded to large-diameter thin-wall barrel |
| CN204504638U (en) * | 2014-12-22 | 2015-07-29 | 中国核工业华兴建设有限公司 | Deformation control frock is used in the welding of thin-wall circular well type stainless steel cylinder |
| CN104924090A (en) * | 2015-07-06 | 2015-09-23 | 天津赛瑞机器设备有限公司 | Backing ring manufacturing process |
| CN206702438U (en) * | 2017-05-02 | 2017-12-05 | 天顺（珠海）新能源有限公司 | A kind of wind-power tower top flange welding deformation controller in hole |
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| CN108213655B (en) | 2020-05-05 |
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