CN105414794A - T-shaped joint welding method - Google Patents
T-shaped joint welding method Download PDFInfo
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- CN105414794A CN105414794A CN201511033187.6A CN201511033187A CN105414794A CN 105414794 A CN105414794 A CN 105414794A CN 201511033187 A CN201511033187 A CN 201511033187A CN 105414794 A CN105414794 A CN 105414794A
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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
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
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Abstract
The invention discloses a T-shaped joint welding method, comprising steps: (1) welding and connecting a first metal component and a second metal component, to form a first weld joint, and form a natural groove on the end of the first weld joint; (2) welding and connecting a third metal component with the first metal component and the second metal component, to form a second weld joint, the second weld joint filling the natural groove. Through forming the natural groove on the end of the first weld joint, the T-shaped joint welding method does not need carbon arc gouging beveling and polishing requirement, so as to optimize a welding technology, reduce welding procedures, and improve welding working efficiency, and stability of the quality of the T-shaped joint weld joints is improved.
Description
Technical field
The invention belongs to welding technology field, specifically, the present invention relates to a kind of T connector welding method.
Background technology
T connector is that two weld seams produced when welding three metal parts are formed, the welding method of existing T connector first adopts the Article 1 weld seam of human weld's two metal parts formation between two metal parts, then the end of this Article 1 weld seam of carbon arc air gouging process is utilized, and polish, finally weld the 3rd metal parts and form Article 2 weld seam.Because needs butt welded seam carries out gouge process and polishing, cause welding efficiency low, and affect the quality of T-type structure.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, the invention provides a kind of T connector welding method, object improves welding job efficiency.
To achieve these goals, the technical scheme that the present invention takes is: T connector welding method, comprises step:
(1) be welded to connect the first metal parts and the second metal parts, form Article 1 weld seam, and form nature groove at Article 1 end of welding bead;
(2) be welded to connect the 3rd metal parts and the first metal parts and the second metal parts, form Article 2 weld seam, Article 2 weld seam also fills nature groove.
Described Article 1 weld seam adopts the welding manner that turns back to be formed.
Described Article 1 weld seam is that the multiple-pass weld accumulation by adopting the welding manner that turns back to produce forms.
In step (1), arcing point and the receipts acnode position of first weld seam are between the two ends of the first abutment joint be spliced to form by the first metal parts and the second metal parts.
In step (1), arcing point and the receipts acnode position of lower one weld seam are in the arcing point of weld seam together and receive between acnode position.
In step (1), each road weld seam that welding is formed all at least turns back through twice.
Described Article 2 weld seam is piled up by multiple-pass weld and is formed.
The starting point of described Article 2 weld seam and final position lay respectively at the side of nature groove.
T connector welding method of the present invention, by forming nature groove at Article 1 end of welding bead, removes carbon arc air gouging bevel from and the requirement of polishing, thus optimize welding procedure, decrease welding sequence, improve welding job efficiency, also improve the stability of T connector weldquality simultaneously.
Accompanying drawing explanation
This description comprises the following drawings, shown content respectively:
Fig. 1 is three spliced structural representations of metal parts
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is that Article 1 weld seam forms schematic diagram;
Fig. 4 is that Article 2 weld seam forms schematic diagram;
Be labeled as in figure:
1, the first metal parts; 2, the second metal parts; 3, the 3rd metal parts; 4, the first abutment joint; 5, the second abutment joint; 6, Article 1 weld seam; 61, first weld seam; 62, second weld seam; 63, the 3rd road weld seam; 64, the 4th road weld seam; 65, the 5th road weld seam; 66, the 6th road weld seam; 7, Article 2 weld seam; 71, first weld seam; 72, second weld seam; 73, the 3rd road weld seam; 74, the 4th road weld seam.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, be described in further detail the specific embodiment of the present invention, object helps those skilled in the art to have more complete, accurate and deep understanding to design of the present invention, technical scheme, and contribute to its enforcement.
The invention provides a kind of T connector welding method, comprise following step:
(1) be welded to connect the first metal parts 1 and the second metal parts 2, form Article 1 weld seam, and form nature groove at Article 1 end of welding bead;
(2) be welded to connect the 3rd metal parts 3 and the first metal parts 1 and the second metal parts 2, form Article 2 weld seam, Article 2 weld seam also fills nature groove.
T connector is that two weld seams produced when welding three metal parts are formed, as depicted in figs. 1 and 2, before welding, first metal parts 1, second metal parts 2 and the 3rd metal parts 3 are stitched together, first metal parts 1 and the second metal parts 2 are positioned at the same side of the 3rd metal parts 3, the first metal parts 1 and the second metal parts 2 and be located along the same line.After splicing, form the first abutment joint 4, first metal parts 1 of V-type between first metal parts 1 and the end face (for inclined-plane) of the second metal parts 2 and between the side (for inclined-plane) of the second metal parts 2 and the side of the 3rd metal parts 3, form the second abutment joint 5 of V-type.When welding three metal parts, produce two weld seams in the first abutment joint 4 and the second abutment joint 5, finally form T connector.
As preferably, as shown in Figure 3 and Figure 4, Article 1 weld seam is piled up by multiple-pass weld to form, and namely the formation of Article 1 weld seam through welding operation repeatedly, need fill the first abutment joint 4, finally forms Article 1 weld seam.Each road weld seam refers to that welding gun has moved the weld seam of a welding process formation along the first abutment joint 4, and each road weld seam all has an arcing point and a receipts acnode.
As preferably, as shown in Figure 3, the first abutment joint 4 Zhong Ge road weld seam adopts the welding manner that turns back to be formed, and the arcing point of each road weld seam and receive acnode position between the both ends open of the first abutment joint 4, ensure weldquality.In the present embodiment, in step (1), welding is formed in the process of each road weld seam, welding gun all turns back through twice, each road weld seam all has an arcing point, first turning point, second turning point and a receipts acnode, arcing point and receipts acnode are between the first turning point and the second turning point, arcing point also, between the first turning point and receipts acnode, receives acnode between arcing point and the second turning point.For the formation of each road weld seam, if welding gun is the first straightway from the travel path of arcing point to the first turning point, if welding gun is the second straightway from the travel path of the first turning point to the second turning point, if welding gun is the 3rd straightway from the second turning point to receiving the travel path of acnode, first straightway, the second straightway and the 3rd straightway parallel, and the length of the second straightway is the longest, the position of the first turning point near or be positioned at the one end open of the first abutment joint 4, the position of the second turning point near or be positioned at the other end opening of the first abutment joint 4.
As shown in Figure 3 and Figure 4, in step (1), the first weld seam 61 that first time welding is formed is positioned at the bottommost of the first abutment joint 4, arcing point and the receipts acnode position of first weld seam 61 are between the two ends of the first abutment joint 4, first turning point of first weld seam 61 is positioned at the opening part that the first abutment joint 4 is connected with the second abutment joint 5, second turning point of first weld seam 61 is positioned at the other end opening part of the first abutment joint 4, arcing point and internal blas certain distance s1 and s2 of receipts acnode towards the first abutment joint 4 of first weld seam 61, the length of the second straightway of first weld seam 61 and the length of the first abutment joint 4 roughly equal.
As preferably, as shown in Figure 3 and Figure 4, in step (1), the arcing point of lower one weld seam and receipts acnode position are in the arcing point of weld seam together and receive between acnode position, and the position of the first turning point of lower one weld seam is towards the internal blas certain distance d of the first abutment joint 4 relative to the position of the first turning point of upper one weld seam, same, the position of the second turning point of lower one weld seam is also towards the same distance d of the internal blas of the first abutment joint 4 relative to the position of the second turning point of upper one weld seam, also namely the position of two turning points of lower one weld seam is between the position of two turning points of one weld seam.Due to the two ends of Ye Shige road, the position weld seam of the first turning point and the second turning point, also namely the two ends of lower one weld seam are between the two ends of one weld seam, fusion length is shorter and shorter, the end that so just can make the final Article 1 weld seam formed is step-like structure, Article 1, weld seam can not extend in the second abutment joint 5, and the end of Article 1 weld seam can form nature groove.
In the present embodiment, Article 1, weld seam Shi You six road weld seam is piled up and is formed, and is respectively the first weld seam 61 formed through six welding processes, the second weld seam 62 be stacked on first weld seam 61, the 3rd road weld seam 63 be stacked on second weld seam 62, the 4th road weld seam 64 be stacked on the 3rd road weld seam 63, the 6th road weld seam 66 that is stacked on the 5th road weld seam 65 on the 4th road weld seam 64 and is stacked on the 5th road weld seam 65.From first weld seam 61 to the 6th road weld seam 66, the length of each road weld seam reduces gradually, and each decreasing value is 2d.
In the present embodiment, in the first abutment joint 4, adopt the mode of welding of turning back to produce each road weld seam, the arcing point of Shi Ge road weld seam with receive acnode and stay end of welding bead and be about 50mm to the deviant s1 of bias internal and s2, ensure weldquality.And except first weld seam 61, the first turning point of all the other each road weld seams and the second turning point are 5mm towards the deviant d of the internal blas of the first abutment joint 4.
First abutment joint 4 is crossing with the second abutment joint 5, and angle between the two can be acute angle meeting right angle.In the present embodiment, as depicted in figs. 1 and 2, the first metal parts 1 and the second metal parts 2 and the 3rd metal parts 3 perpendicular, the 3rd metal parts 3 is for being obliquely installed, and the angle between the second abutment joint 5 of formation and the first abutment joint 4 is acute angle.
As preferably, as shown in Figure 4, Article 2 weld seam is piled up by multiple-pass weld and is formed, and namely the formation of Article 2 weld seam also needs through welding operation repeatedly, form one weld seam of filling second abutment joint 5 after each welding operation, final multiple-pass weld is piled up and is formed Article 2 weld seam.Article 2 weld seam the natural cut place formed in the step (1) and Article 1 solder design, filling nature groove, the starting point of Article 2 weld seam and final position lay respectively at the side of nature groove.
Second abutment joint 5 Zhong Ge road weld seam refers to that welding gun has moved the weld seam of a welding process formation along the second abutment joint 5, in the present embodiment, Article 2 weld seam Shi You tetra-road weld seam is piled up and is formed, and is respectively the first weld seam 71 formed through four welding processes, the second weld seam 72 be stacked on first weld seam 71, the 4th road weld seam 74 that is stacked on the 3rd road weld seam 73 on second weld seam 72 and is stacked on the 3rd road weld seam 73.
For Article 2 weld seam, can weld after producing first weld seam 61 in the first abutment joint 4, then in the second abutment joint 5, welding produces first weld seam 71, and then in the first abutment joint 4, welding produces remaining each road weld seam successively.
For the welding process of above-mentioned T connector, by the end self-assembling formation bevel for welding at Article 1 weld seam, remove the process of carbon arc air gouging from, thus optimize welding procedure, decrease welding sequence, and be convenient to realize overall manipulator welding, manipulator welding can accurately be located, be convenient to the side-play amount controlling each road weld seam, improve weldquality.
Below by reference to the accompanying drawings to invention has been exemplary description.Obviously, specific implementation of the present invention is not subject to the restrictions described above.As long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; Or without improvement, above-mentioned design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention.
Claims (8)
1.T type connector welding method, is characterized in that, comprise step:
(1) be welded to connect the first metal parts and the second metal parts, form Article 1 weld seam, and form nature groove at Article 1 end of welding bead;
(2) be welded to connect the 3rd metal parts and the first metal parts and the second metal parts, form Article 2 weld seam, Article 2 weld seam also fills nature groove.
2. T connector welding method according to claim 1, is characterized in that, described Article 1 weld seam adopts the welding manner that turns back to be formed.
3. T connector welding method according to claim 2, is characterized in that, described Article 1 weld seam is that the multiple-pass weld accumulation by adopting the welding manner that turns back to produce forms.
4. the T connector welding method according to Claims 2 or 3, it is characterized in that, in step (1), arcing point and the receipts acnode position of first weld seam are between the two ends of the first abutment joint be spliced to form by the first metal parts and the second metal parts.
5. the T connector welding method according to Claims 2 or 3, is characterized in that, in step (1), arcing point and the receipts acnode position of lower one weld seam are in the arcing point of weld seam together and receive between acnode position.
6. the T connector welding method according to Claims 2 or 3, is characterized in that, in step (1), each road weld seam that welding is formed all at least turns back through twice.
7. according to the T connector welding method described in claim 1 to 6, it is characterized in that, described Article 2 weld seam is piled up by multiple-pass weld and is formed.
8. according to the T connector welding method described in claim 1 to 7, it is characterized in that, the starting point of described Article 2 weld seam and final position lay respectively at the side of nature groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511033187.6A CN105414794B (en) | 2015-12-31 | 2015-12-31 | T connector welding method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511033187.6A CN105414794B (en) | 2015-12-31 | 2015-12-31 | T connector welding method |
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| CN105414794A true CN105414794A (en) | 2016-03-23 |
| CN105414794B CN105414794B (en) | 2018-03-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732756A (en) * | 2018-07-19 | 2020-01-31 | 中车青岛四方机车车辆股份有限公司 | MAG welding method and process for PC (polycarbonate) position weldment with HV structures |
| CN113770533A (en) * | 2021-09-17 | 2021-12-10 | 上海柏楚电子科技股份有限公司 | Method, system and device for determining welding starting point position |
Citations (6)
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| JPS5210767B2 (en) * | 1973-11-12 | 1977-03-26 | ||
| CN101934417A (en) * | 2010-09-29 | 2011-01-05 | 龙工（上海）挖掘机制造有限公司 | T-shaped joint welding method |
| JP2013006203A (en) * | 2011-06-27 | 2013-01-10 | Hitachi-Ge Nuclear Energy Ltd | Hybrid welding method for t-joint using laser beam welding and arc welding |
| CN102873438A (en) * | 2012-10-11 | 2013-01-16 | 中国二十二冶集团有限公司 | Non-back-gouging welding method for T-shaped full penetration fillet weld of crane girder thick plate |
| CN104028878A (en) * | 2013-10-31 | 2014-09-10 | 武汉一冶钢结构有限责任公司 | Assembling and welding method for back-chipping-free T-shaped penetration welding joint |
| CN104985285A (en) * | 2015-06-15 | 2015-10-21 | 沪东中华造船(集团)有限公司 | Over-cut corner fusion-through-welding welding method |
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2015
- 2015-12-31 CN CN201511033187.6A patent/CN105414794B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5210767B2 (en) * | 1973-11-12 | 1977-03-26 | ||
| CN101934417A (en) * | 2010-09-29 | 2011-01-05 | 龙工（上海）挖掘机制造有限公司 | T-shaped joint welding method |
| JP2013006203A (en) * | 2011-06-27 | 2013-01-10 | Hitachi-Ge Nuclear Energy Ltd | Hybrid welding method for t-joint using laser beam welding and arc welding |
| CN102873438A (en) * | 2012-10-11 | 2013-01-16 | 中国二十二冶集团有限公司 | Non-back-gouging welding method for T-shaped full penetration fillet weld of crane girder thick plate |
| CN104028878A (en) * | 2013-10-31 | 2014-09-10 | 武汉一冶钢结构有限责任公司 | Assembling and welding method for back-chipping-free T-shaped penetration welding joint |
| CN104985285A (en) * | 2015-06-15 | 2015-10-21 | 沪东中华造船(集团)有限公司 | Over-cut corner fusion-through-welding welding method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732756A (en) * | 2018-07-19 | 2020-01-31 | 中车青岛四方机车车辆股份有限公司 | MAG welding method and process for PC (polycarbonate) position weldment with HV structures |
| CN110732756B (en) * | 2018-07-19 | 2021-06-01 | 中车青岛四方机车车辆股份有限公司 | MAG welding method and process for PC (polycarbonate) position weldment with HV (high voltage) structure |
| CN113770533A (en) * | 2021-09-17 | 2021-12-10 | 上海柏楚电子科技股份有限公司 | Method, system and device for determining welding starting point position |
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| CN105414794B (en) | 2018-03-16 |
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