CN107008992B - Continuous welding method - Google Patents
Continuous welding method Download PDFInfo
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- CN107008992B CN107008992B CN201710384965.9A CN201710384965A CN107008992B CN 107008992 B CN107008992 B CN 107008992B CN 201710384965 A CN201710384965 A CN 201710384965A CN 107008992 B CN107008992 B CN 107008992B
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- 238000003466 welding Methods 0.000 title claims abstract description 413
- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000003032 molecular docking Methods 0.000 claims description 42
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 4
- 241000208340 Araliaceae Species 0.000 claims description 3
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 3
- 235000008434 ginseng Nutrition 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 124
- 229910052742 iron Inorganic materials 0.000 description 62
- 239000000463 material Substances 0.000 description 14
- 230000008569 process Effects 0.000 description 9
- 230000005611 electricity Effects 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
-
- 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
- B23K9/0026—Arc welding or cutting specially adapted for particular articles or work
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a kind of continuous welding methods, are related to welding technology field.It includes the following steps: to weld welding machine to the first welding position according to the first default welding parameter；When welding position reaches the intersection of first welding position and the second welding position, the receipts arc function of welding machine is opened or closed, so that welding machine is switched to the second default welding parameter and second welding position is welded.The receipts arc function of taking full advantage of existing welding machine realizes the continuous welding of the welding position different to two kinds of properties, avoids the generation of welding line joint, improve welding quality.
Description
Technical field
The present invention relates to welding technology fields, are specifically related to a kind of continuous welding method.
Background technique
Currently, most of welding machines can only once adjust the group welding electric current to match with welding position and welding electricity
Pressure.When welding to Z-shaped steel, H shaped steel etc., the continuous welding at the position of multiple and different properties is related to.Such feelings
Under condition, due to the difference of the properties such as the material at each position, size, cause each position need using different welding current and
Weldingvoltage is welded.Typically now using by after the completion of a position welding, the welding current and welding electricity of welding machine are adjusted
Then pressure carries out the weld job at second position.Such method can the intersection of adjacent regions generate welding point due to
The material at each position, the intersection of the difference usually adjacent regions of size are stress key position, are here formed as welding point
It will affect weld strength, stress caused to concentrate, influence integrally-built intensity.
For example, using conventional method to the butt welding of the deformed steels such as Z-shaped steel and H shaped steel during, web and the wing
Plate needs to be performed in multiple times welding using different welding current and weldingvoltage.Weldering can be generated in the junction of web and wing plate
Sew up head.While in order to guarantee welding quality, it is also necessary to be overturn to workpiece, need additional overturning tooling.And it is large-scale
Fashioned iron junction is thicker, it is insufficient to cause to preheat at welding arc butt joint in bond process, and shortage of heat cannot be completely by connector
Position is melted completely, after welding, the welding defects such as lack of penetration, incomplete fusion, slag inclusion often occurs, flaw detection quality requirement is not achieved,
Cause to do over again, and the amount of doing over again is larger, repeatedly doing over again sometimes causes to scrap, and has not only delayed the completion of manufacturing schedule, but also improve system
This is caused, in order to guarantee welding quality, in addition, needing to do overturning tooling, there is also overturning difficulty to guarantee quality.
Summary of the invention
The purpose of the present invention is to provide one kind continuously to be welded to position of different nature, company easy to use
Continuous welding method, to solve of the existing technology to form welding line joint in the intersection at heterogeneity position and weld seam connects
The problem of welding quality is difficult to ensure at head.
To achieve the above object, the technical solution used in the present invention are as follows:
A kind of continuous welding method, which comprises the steps of:
Weld welding machine to the first welding position according to the first default welding parameter；
When welding position reaches the intersection of first welding position and the second welding position, weldering is opened or closed
The receipts arc function of machine makes welding machine be switched to the second default welding parameter and welds to second welding position.
Further, it is described weld welding machine to the first welding position according to the first default welding parameter before, packet
It includes: presetting the described first default welding parameter and the second default welding parameter.
Further, the described first default welding parameter includes welding current and weldingvoltage, the described second default welding
Parameter includes receiving arc current and receipts arc voltage；Alternatively, the first default welding parameter includes receiving arc current and receipts arc voltage, institute
Stating the second default welding parameter includes welding current and weldingvoltage.
Further, the welding position reaches the intersection of first welding position and the second welding position
When, open or close the receipts arc function of welding machine, make welding machine be switched to the second default welding parameter to second welding position into
After row welding, comprising: weld welding machine according to ending welding method.
Further, the welding machine is gas shielded welding machine.
Further, the welding position reaches the intersection of first welding position and the second welding position
When, open or close the receipts arc function of welding machine, make welding machine be switched to the second default welding parameter to second welding position into
After row welding, comprising: carry out gas shield at the end of weld seam by the protective gas nozzle of welding gun.
Further, first welding position is at the docking of the wing plate of two Z-shaped steel, and second welding position is
At the docking of the web of two Z-shaped steel；Alternatively, first welding position is at the docking of the wing plate of two H shaped steels described the
Two welding positions are at the docking of the web of two H shaped steels.
Further, welding gun and welding direction of advance angle β are 90-100 °, and welding gun is located at welding direction of advance side
The angle α of plane where side and welding position is 80-100 °.
Further, the weldingvoltage of the welding machine is 19-30V, and welding current 150-300A, receipts arc voltage is 16-
22V, receipts arc current are 60-150A.
Further, the welding current and the difference for receiving arc current are not less than 30A.
The beneficial effects of the present invention are: compared with prior art, continuous welding method of the invention takes full advantage of existing
There is the receipts arc function of welding machine, realizes the continuous welding of the welding position different to two kinds of properties, avoid the production of welding line joint
It is raw, improve welding quality.
Detailed description of the invention
Fig. 1 is the welding schematic diagram of Z-shaped steel；
Fig. 2 is the welding schematic diagram of H shaped steel；
Fig. 3 is enlarged drawing at the A in Fig. 1.
In figure: the upper flange of 1-Z font fashioned iron, the lower wing plate of 2-Z font fashioned iron, 3-Z font fashioned iron web, 4-H word
The upper flange of shape fashioned iron, the lower wing plate of 5-H font fashioned iron, 6-H font fashioned iron web, 7- welding gun.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Continuous welding method of the invention is suitable for carrying out the different adjacent solder positions different with property in spatial position
Continuous welding.The welding current of welding machine and weldingvoltage are adjusted to be suitable for a kind of position by continuous welding method of the invention
Welding, receive arc current and receive arc voltage and be adjusted to welding suitable for adjacent another position；When welding, do not stopping welding
In the case of, arc function is received by open and close and quickly switches two different welding parameters, to realize to two kinds of properties
The continuous welding of different welding positions.Continuous welding method of the invention is particularly suitable for two or more space welding positions
Continuous welding.
Now continuous welding method provided by the invention is illustrated.
A kind of continuous welding method, which comprises the steps of:
Weld welding machine to the first welding position according to the first default welding parameter；
When welding position reaches the intersection of first welding position and the second welding position, weldering is opened or closed
The receipts arc function of machine makes welding machine be switched to the second default welding parameter and welds to second welding position.
Welding machine is under the first parameter preset state, and the receipts arc function of the welding machine is closed, and welding machine uses normal
Welding current and weldingvoltage are welded, when the welding machine is under the second parameter preset state, the receipts of the welding machine
Arc function is opened, and welding machine is welded using arc current and receipts arc voltage is received；Alternatively, welding machine is in the first parameter preset shape
Under state, the receipts arc function of the welding machine is opened, and welding machine is welded using arc current and receipts arc voltage is received, when the welding machine is in
Under the second parameter preset state, the receipts arc function of the welding machine is closed, and welding machine uses normal welding current and welding electricity
Pressure is welded.
Continuous welding method provided by the invention takes full advantage of the receipts arc function of existing welding machine compared with prior art,
The continuous welding for realizing the welding position different to two kinds of properties, avoids the generation of welding line joint, improves welding quality.
Embodiment one:
As shown in Figure 1, carrying out connecing butt welding to two sections of zigzag fashioned iron using continuous welding method provided by the invention.
It is the first welding position at 2 docking of lower wing plate of two sections of zigzag fashioned iron, is welded at 3 docking of web of two sections of zigzag fashioned iron for second
Socket part position.
Weld job is carried out to the first welding position using the first default welding parameter.Be welded to the first welding position and
Behind the junction of second welding position, the receipts arc function of welding machine is opened or closed, it is default that the welding parameter of welding machine becomes second
Welding parameter welds the second welding position using the second default welding parameter.In the whole welding process, weld seam not between
It is disconnected to extend to the second welding position from the first welding position.
Further, it is described weld welding machine to the first welding position according to the first default welding parameter before, packet
It includes: presetting the described first default welding parameter and the second default welding parameter.
Further, the described first default welding parameter includes welding current and weldingvoltage, the described second default welding
Parameter includes receiving arc current and receipts arc voltage；Alternatively, the first default welding parameter includes receiving arc current and receipts arc voltage, institute
Stating the second default welding parameter includes welding current and weldingvoltage.
It is welded using the welding manner for closing the welding manner for receiving arc function or opening receipts arc function the first welding position
It connects, the second welding position is welded using another welding manner different from the first welding position.Before carrying out weld job,
According to the property that the influences such as the material of the first welding position, size, position, the number of plies are welded, the described first default welding ginseng is determined
Several specific values；According to properties such as the material of the second welding position, size, position, the numbers of plies, the described second default welding is determined
The specific value of parameter.Such as: the first welding position is welded according to the welding manner for receiving arc function is opened, then basis
The property of the influences such as material, size, position, the number of plies of the first welding position welding presets the described first default welding ginseng of welding machine
Number includes receiving arc voltage and receipts arc current；The property welded according to influences such as the material of the second welding position, size, position, the numbers of plies
The described second default welding parameter that matter presets welding machine includes welding current and weldingvoltage.According to the weldering for closing receipts arc function
It connects mode to weld the first welding position, is then welded according to influences such as the material of the first welding position, size, position, the numbers of plies
The described first default welding parameter that the property connect presets welding machine includes welding current and weldingvoltage；According to the second welding position
The property of the influences welding such as material, size, position, the number of plies to preset the described second default welding parameter of welding machine include receiving arc electricity
Pressure and receipts arc current.
Further, the welding position reaches the intersection of first welding position and the second welding position
When, open or close the receipts arc function of welding machine, make welding machine be switched to the second default welding parameter to second welding position into
After row welding, comprising: weld welding machine according to ending welding method.The welding method that finishes up is to receive arc welding operation by hand, to the
The welding of two welding positions is completed at end, receives arc process using arc operation is received by hand, specifically can receive an arc method, anti-using circle is drawn
Arc method or reflow ending method are received in multiple current interruption.
Further, the welding machine is gas shielded welding machine.
Further, the welding position reaches the intersection of first welding position and the second welding position
When, open or close the receipts arc function of welding machine, make welding machine be switched to the second default welding parameter to second welding position into
After row welding, comprising: carry out gas shield at the end of weld seam by the protective gas nozzle of welding gun 7.Improve weld seam
Welding quality at end.
Further, first welding position is at the docking of the wing plate of two Z-shaped steel, and second welding position is
At the docking of the web of two Z-shaped steel；Alternatively, first welding position is at the docking of the wing plate of two H shaped steels described the
Two welding positions are at the docking of the web of two H shaped steels.
Further, welding gun 7 and welding direction of advance angle β are 90-100 °, and welding gun 7 is located at welding direction of advance side
Side and welding position where plane angle α be 80-100 °.
Further, the weldingvoltage of welding machine is 19-30V, and welding current 150-300A, receipts arc voltage is 16-22V,
Receipts arc current is 60-150A.Setting weldingvoltage is 19-30V, welding current 150-300A；It is 16- that arc voltage is received in setting
22V, receipts arc current are 60-150A.By opening or closing the receipts arc function of welding machine, may be implemented in the first default welding parameter
And second switch between default welding parameter.
Welding machine is under the first parameter preset state, and the receipts arc function of the welding machine is closed, and uses normal welding
Electric current is 19-30V, and weldingvoltage is that 150-300A is welded, when the welding machine is under the second parameter preset state,
The receipts arc function of the welding machine is opened, and welding machine is welded using arc current 60-150A and receipts arc voltage 16-22V is received；Alternatively,
Welding machine is under the first parameter preset state, and the receipts arc function of the welding machine is opened, and welding machine uses receipts arc current 60-150A
It is welded with arc voltage 16-22V is received, when the welding machine is under the second parameter preset state, the receipts arc of the welding machine
Function is closed, and welding machine is welded using normal welding current 150-300A and weldingvoltage 19-30V.
Further, the welding current and the difference for receiving arc current are not less than 30A.Continuous welding side of the invention
The method situation larger mainly for adjacent solder position nature difference, the especially welding of zigzag fashioned iron and H font fashioned iron.It is right
Large-sized zigzag fashioned iron and H font fashioned iron, the first electric current welding current differs 30A or more with the second welding current can be more
Good weld.
Embodiment two:
As shown in Figure 1, carrying out connecing butt welding to two sections of zigzag fashioned iron using continuous welding method provided by the invention.
Before carrying out weld job, according at the wing plate docking of two sections of zigzag fashioned iron and the web 3 of two sections of zigzag fashioned iron is right
The property of the influences such as material, size, position, the number of plies at place welding is connect, at the wing plate docking for determining two sections of zigzag fashioned iron of welding
First electric current and first voltage.More specifically, the first electric current is typically chosen in 150-300A, and first voltage is typically chosen in 19-
30V；More preferably, the first electric current is 240A, first voltage 26V.At 3 docking of web of two sections of zigzag fashioned iron
The properties such as material, size, position, the number of plies determine the second electric current and two electricity at the wing plate docking of two sections of zigzag fashioned iron of welding
Pressure；More specifically, the second electric current is typically chosen in 60-150A, and second voltage is typically chosen in 16-22V；More preferably,
Two electric currents are 140A, second voltage 19V.The first electric current is set by the welding current of welding machine, weldingvoltage is set as first
Voltage；It receives arc current and is set as the second electric current, receive arc voltage and be set as second voltage.Welding machine can be using with the general of receipts arc function
Logical welding machine, can also be using with the gas shielded arc welding for receiving arc function.Specifically, carbon dioxide gas arc welding can be used；It is excellent
Choosing, the gas flow of gas shielded arc welding is set as to the larger value 20h/min of welding conditions requirement.
Welding process is in two stages.First stage, the first welding position are that the upper flange 1 of two sections of zigzag fashioned iron docks
Place, the second welding position are at 3 docking of web of two sections of zigzag fashioned iron.The receipts arc function of welding machine is closed, using the first electric current
With first voltage to progress weld job at the wing plate docking of two sections of zigzag fashioned iron；It is welded to the wing plate of two sections of zigzag fashioned iron
Behind junction at docking and at 3 docking of web of two sections of zigzag fashioned iron, the receipts arc function of welding machine is opened, uses the second electricity
Stream and second voltage at 3 docking of web of two sections of zigzag fashioned iron to welding.Second stage, the first welding position are two sections of Z
At 3 docking of web of font fashioned iron, the second welding position is at 2 docking of lower wing plate of two sections of zigzag fashioned iron.Continue the first stage
In welding be welded to the upper flange 1 and abdomen of zigzag fashioned iron to welding at 3 docking of web of two sections of zigzag fashioned iron
Behind the junction of plate, the receipts arc function of welding machine is closed, using the first electric current and second voltage to the web of two sections of zigzag fashioned iron
It is welded at 3 docking.In the whole welding process, weld seam is continual extends from 2 docking place of lower wing plate of two zigzag fashioned iron
It is re-extended at 3 docking of web of two zigzag fashioned iron at 1 docking of upper flange of two zigzag fashioned iron.
The specific welding of first stage operates, and the welding to each position is welded according to the relevant operation gimmick of this position
It connects, welding proceeds to the lower wing plate 2 of zigzag fashioned iron and the junction of web, the receipts arc function of welding machine is opened or closed, simultaneously
Guarantee that weld seam is uninterrupted.In welding process, movement wants small and steady first, prevents from shaking, and welding is caused to deviate.Welding proceeds to Z
When the junction of the lower wing plate of font fashioned iron and web, pass through observation molten bath, the lower wing plate 2 for adjusting zigzag fashioned iron rapidly docks
7 angle of welding gun at place gradually adjusts in the case that visual angle and guarantee molten bath according to the observation is melted to welding gun 7 and zigzag fashioned iron
Web docking at welding direction of advance angle β be 90-100 °, welding gun 7 be located at welding direction of advance side side and Z-shaped
The angle α of 3 plane of web of shape fashioned iron is 80-100 °, it is preferred that welding gun 7 is located at side and the Z-shaped of welding direction of advance side
The angle α of 3 plane of web of shape fashioned iron is kept for 90 °.Later, it is welded according to the relevant operation gimmick of the web 3 of zigzag fashioned iron
It connects.The specific welding operation of second stage is similar with the specific welding operation of first stage, and welding proceeds to zigzag fashioned iron
When the junction of upper flange 1 and web, by observing molten bath, 7 jiaos of welding gun at 3 docking of web of zigzag fashioned iron are adjusted rapidly
Degree, in the case that visual angle and guarantee molten bath according to the observation is melted, it is right to welding gun 7 and the upper flange 1 of zigzag fashioned iron gradually to adjust
The welding direction of advance angle β for meeting place is 90-100 °, and welding gun 7 is located at side and the zigzag fashioned iron of welding direction of advance side
The angle α of 1 plane of upper flange is 80-100 °, it is preferred that welding gun 7 is located at side and the zigzag fashioned iron of welding direction of advance side
1 plane of upper flange angle α keep 90 °.Continue the welding at 1 docking of upper flange of zigzag fashioned iron, until receiving arc completes weldering
It connects.Receipts arc process uses receives arc operation by hand, and can specifically using a stroke circle to receive, an arc method, arc method is received in current interruption repeatedly or reflow finishes up
Method.
It draws circle receipts arc method and makees circular motion when welding rod moves to weld seam terminal, break electric arc again until filling up arc crater.This
Kind receives arc method and is primarily adapted for use in slab weldment.
Arc method is received in current interruption repeatedly, and when receiving arc, welding rod ceases arc, striking for several times at arc crater repeatedly, until filling up arc crater.
This method applies in general to thin plate and high current welding.
Reflow ending method, stops, and it is a bit of to change welding rod angle reflow immediately when welding rod moves at weld seam ending.This method
Suitable for basic electrode.
Embodiment three:
As shown in Fig. 2, carrying out connecing butt welding to two sections of H font fashioned iron using continuous welding method provided by the invention.
The first electric current is set by welding current, weldingvoltage is set as first voltage；It receives arc current and is set as the second electricity
Stream receives arc voltage and is set as second voltage.Before formally being welded, debugging and test weld are carried out, determines optimum current and voltage
Match.
Before carrying out weld job, according to property such as material, size, position, the numbers of plies of the upper flange of H font fashioned iron and lower wing plate
Matter determines the first electric current, first voltage；More specifically, the first electric current is typically chosen in 150-300A, and first voltage is typically chosen
For 19-30V；More preferably, the first electric current is 240A, first voltage 26V.According to the material of the web 6 of H font fashioned iron,
The properties such as size, position, the number of plies determine the second electric current and two voltages；More specifically, the second electric current is typically chosen in 60-150A,
Second voltage is typically chosen in 16-22V；More preferably, the second electric current is 120A, second voltage 19V.By the welding of welding machine
Electric current is set as the first electric current, and weldingvoltage is set as first voltage；It receives arc current and is set as the second electric current, receive arc voltage setting
For second voltage.Welding machine can also be used using with the common welding machine for receiving arc function with the gas shielded arc welding for receiving arc function.
Specifically, carbon dioxide gas arc welding can be used；Preferably, the gas flow of gas shielded arc welding is set as welding conditions
It is required that the larger value 20h/min.
Welding process is in two stages.First stage, the first welding position are that the upper flange 4 of two sections of H font fashioned iron docks
Place, the second welding position are at 6 docking of web of two sections of H font fashioned iron.The receipts arc function of welding machine is closed, using the first electric current
With first voltage to progress weld job at 5 docking of lower wing plate of two sections of H font fashioned iron.It is welded to the bottom wing of H font fashioned iron
Behind the junction of plate 5 and web, the receipts arc function of welding machine is opened, using the second electric current and second voltage to two sections of H font types
It is welded at 6 docking of web of steel.Second stage, the first welding position are at 6 docking of web of two sections of H font fashioned iron the
Two welding positions are at 5 docking of lower wing plate of two sections of H font fashioned iron.Continue the welding in the first stage, to two sections of H font fashioned iron
6 docking of web at welded, after being welded to the upper flange 4 of H font fashioned iron and the junction of web, by the receipts arc of welding machine
Function is closed, using the first electric current and second voltage to welding at 6 docking of web of two sections of H font fashioned iron.Entirely welding
In termination process, the web 6 that continual 5 docking place of lower wing plate from two H font fashioned iron of weld seam extends to two H font fashioned iron is docked
Place re-extends at 4 docking of upper flange of two H font fashioned iron.After the completion of welding, the protective gas nozzle of welding gun 7 is aligned and is received
The gas shield carried out at weld seam end of motionless 0.5-1 seconds of arc position.
Do not make the particular features, structures, materials, or characteristics illustrated in above-mentioned each specific embodiment, can use
With implementation identical in other specific embodiments.Moreover, specific features described in above-mentioned each specific embodiment, knot
Structure, material or feature can be replaced mutually or combine in an appropriate manner with other any one or more embodiment or examples.
The relative positions concepts such as "upper", "lower" mentioned in the explanation of above-mentioned each specific embodiment, it should be understood that
The positional relationship of a specific embodiment of the invention in a normal state is used only for carrying out specific embodiment clear
Illustrate, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore is not considered as limiting the invention.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of continuous welding method, which comprises the steps of:
Weld welding machine to the first welding position according to the first default welding parameter；
When welding position reaches the intersection of first welding position and the second welding position, welding machine is opened or closed
Arc function is received, so that welding machine is switched to the second default welding parameter and second welding position is welded；
First welding position and second welding position are the different welding position of two kinds of property.
2. continuous welding method according to claim 1, which is characterized in that described to make welding machine according to the first default welding ginseng
It is several first welding position is welded before, comprising: preset the described first default welding parameter and the second default welding
Parameter.
3. continuous welding method according to claim 2, which is characterized in that the first default welding parameter includes welding
Electric current and weldingvoltage, the second default welding parameter include receiving arc current and receipts arc voltage；Alternatively, the described first default weldering
Connecing parameter includes receiving arc current and receiving arc voltage, and the second default welding parameter includes welding current and weldingvoltage.
4. continuous welding method according to claim 2, which is characterized in that the welding position reaches described first
When the intersection of welding position and the second welding position, the receipts arc function of welding machine is opened or closed, so that welding machine is switched to second pre-
After if welding parameter welds second welding position, comprising: weld welding machine according to ending welding method.
5. continuous welding method according to claim 2, it is characterised in that: the welding machine is gas shielded welding machine.
6. continuous welding method according to claim 5, it is characterised in that: the welding position reaches described first
When the intersection of welding position and the second welding position, the receipts arc function of welding machine is opened or closed, so that welding machine is switched to second pre-
After if welding parameter welds second welding position, comprising: by the protective gas nozzle of welding gun (7) in weld seam
End at carry out gas shield.
7. continuous welding method according to claim 1, it is characterised in that: first welding position is two Z-shaped steel
Wing plate docking at, second welding position be two Z-shaped steel web (3) docking at；Alternatively, first welding
Position is at the docking of the wing plate of two H shaped steels, and second welding position is at the docking of the web of two H shaped steels (6).
8. continuous welding method described in -7 any one according to claim 1, it is characterised in that: welding gun (7) and welding are advanced
Angular separation β is 90-100 °, the angle α of plane where welding gun (7) is located at the side and welding position of welding direction of advance side
It is 80-100 °.
9. continuous welding method described in -7 any one according to claim 1, it is characterised in that: the weldingvoltage of welding machine is
19-30V, welding current 150-300A, receipts arc voltage are 16-22V, and receipts arc current is 60-150A.
10. continuous welding method according to claim 9, it is characterised in that: the welding current and the receipts arc current
Difference be not less than 30A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710384965.9A CN107008992B (en) | 2017-05-26 | 2017-05-26 | Continuous welding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710384965.9A CN107008992B (en) | 2017-05-26 | 2017-05-26 | Continuous welding method |
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| Publication Number | Publication Date |
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| CN107008992A CN107008992A (en) | 2017-08-04 |
| CN107008992B true CN107008992B (en) | 2019-09-17 |
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