CN104588848A - Consumable electrode mixed gas shielded arc welding process for steel plate with thickness being 5 mm - Google Patents
Consumable electrode mixed gas shielded arc welding process for steel plate with thickness being 5 mm Download PDFInfo
- Publication number
- CN104588848A CN104588848A CN201410694830.9A CN201410694830A CN104588848A CN 104588848 A CN104588848 A CN 104588848A CN 201410694830 A CN201410694830 A CN 201410694830A CN 104588848 A CN104588848 A CN 104588848A
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- Prior art keywords
- welding
- weld
- mixed gas
- groove
- steel plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
-
- 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
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/38—Selection of media, e.g. special atmospheres for surrounding the working area
- B23K35/383—Selection of media, e.g. special atmospheres for surrounding the working area mainly containing noble gases or nitrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/164—Arc welding or cutting making use of shielding gas making use of a moving fluid
-
- 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
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/18—Sheet panels
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a consumable electrode mixed gas shielded arc welding process for a steel plate with the thickness being 5 mm. The process includes the following steps that butt welding is adopted, a V-shaped groove is formed in a joint, the groove is controlled to be of 55 degrees-65 degrees, and a welding gap is controlled to be of 1.5 mm-2.5 mm; water spots, greasy dirt, rust, adhering slag and adhering carbon left after carbon gouging in the groove and on the obverse, the reverse and end faces within 35 mm of the two sides of the edge of the groove are cleared; welding process parameters are adjusted, consumable electrode mixed gas shielded arc welding is adopted, the shielding gas is CO2 and Ar, and the flow of the gas is 15-17 L/min; during welding, pulse current is adopted for welding, the welding current is 180-220 A, the voltage is 21-25 V, the welding speed is 350-360 mm/min, and the dry wire elongation amount is 15 mm; in the process of welding, temporary spot welding is performed on the reverse firstly, and the reverse is welded after the obverse is welded and spot welding portions of the reverse are cut off. The process is convenient to implement and high in welding efficiency; the mixed gas shielded arc welding is a conventional welding method, equipment and consumables can be purchased easily, and welding workers can master and implement the process easily; an automatic welding process can be adopted, the welding efficiency is high, and the occurrence rate of welding defects is low.
Description
Invention field
The present invention relates to a kind of welding procedure of steel, be specifically related to a kind of mixed gas protected consumable-electrode weld welding procedure of 5mm steel plate material.
Background technology
Gas metal-arc welding utilizes the electric arc produced between welding wire and workpiece to make thermal source by the welding method of metal molten.In welding process, the molten bath that arc-melting welding wire and mother metal are formed and welding region, under the protection of inert gas or active gases, can stop the illeffects of ambient air effectively.What adopt is that electric arc between fusible welding wire and weldment comes filler wire and base metals as thermal source, and to weld zone conveying protective gas, makes electric arc, the welding wire of fusing, molten bath and neighbouring base metals from the illeffects of surrounding air.
Summary of the invention
For solving the problem, the invention provides a kind of mixed gas protected consumable-electrode weld welding procedure of 5mm steel plate material.
The technical solution used in the present invention is:
A mixed gas protected consumable-electrode weld welding procedure for 5mm steel plate material, is characterized in that, comprise the following steps:
(1) adopt butt welding, double V-groove is opened in joint, and described groove controls at 55 ° ~ 65 °, and welded gaps controls at 1.5 ~ 2.5mm;
(2) positive and negative in cleaning groove and in each 35mm in bevelled edge both sides and water stain, greasy dirt, iron rust, dross and the carbon of end face dig residual sticky carbon;
(3) regulate welding condition, adopt mixed gas protected consumable-electrode weld, protective gas is CO
2and Ar, gas flow is 15 ~ 17L/min; Adopt pulse current to weld during welding, welding current is 180 ~ 220A, and voltage is 21 ~ 25V, speed of welding 350 ~ 360mm/min, shredded dried bean curd elongation 15mm;
(4) first tack weld is carried out overleaf during welding, the size of weld seam after the height of tack weld and width must not exceed, the length optional of spot welding selects 10 ~ 80mm, after the spot welding at the back side should being sliced off after front welds, weld the back side again, should welding as far as possible from the middle to both ends for longer weld seam especially full weld, to reduce welding deformation.
Further, the ratio of protective gas when described steel is carbon steel is the Ar of the 80% and CO of 20%
2; The ratio of protective gas when described steel is stainless steel is the Ar of the 97.5% and CO of 2.5%
2.
Further, according to the corresponding flux-cored wire of the Material selec-tion of steel during welding, flux-cored wire adopts pure CO
2gas shield.
Beneficial effect of the present invention:
The invention process is convenient, and welding efficiency is high, and mixed gas arc welding is conventional welding method, and equipment and consumptive material are easy to buying and realize, and welder is easy to grasp and implements, and can adopt automatic welding process, welding efficiency is high, and weld defect incidence is low.
Detailed description of the invention
A mixed gas protected consumable-electrode weld welding procedure for 5mm steel plate material, is characterized in that, comprise the following steps:
(1) adopt butt welding, double V-groove is opened in joint, and described groove controls at 55 ° ~ 65 °, and welded gaps controls at 1.5 ~ 2.5mm;
(2) positive and negative in cleaning groove and in each 35mm in bevelled edge both sides and water stain, greasy dirt, iron rust, dross and the carbon of end face dig residual sticky carbon;
(3) regulate welding condition, adopt mixed gas protected consumable-electrode weld, protective gas is CO
2and Ar, gas flow is 15 ~ 17L/min; Adopt pulse current to weld during welding, welding current is 180 ~ 220A, and voltage is 21 ~ 25V, speed of welding 350 ~ 360mm/min, shredded dried bean curd elongation 15mm;
(4) first tack weld is carried out overleaf during welding, the size of weld seam after the height of tack weld and width must not exceed, the length optional of spot welding selects 10 ~ 80mm, after the spot welding at the back side should being sliced off after front welds, weld the back side again, should welding as far as possible from the middle to both ends for longer weld seam especially full weld, to reduce welding deformation.
Further, the ratio of protective gas when described steel is carbon steel is the Ar of the 80% and CO of 20%
2; The ratio of protective gas when described steel is stainless steel is the Ar of the 97.5% and CO of 2.5%
2.
Further, according to the corresponding flux-cored wire of the Material selec-tion of steel during welding, flux-cored wire adopts pure CO
2gas shield.
Claims (3)
1. a mixed gas protected consumable-electrode weld welding procedure for 5mm steel plate material, is characterized in that, comprise the following steps:
(1) adopt butt welding, double V-groove is opened in joint, and described groove controls at 55 ° ~ 65 °, and welded gaps controls at 1.5 ~ 2.5mm;
(2) positive and negative in cleaning groove and in each 35mm in bevelled edge both sides and water stain, greasy dirt, iron rust, dross and the carbon of end face dig residual sticky carbon;
(3) regulate welding condition, adopt mixed gas protected consumable-electrode weld, protective gas is CO
2and Ar, gas flow is 15 ~ 17L/min; Adopt pulse current to weld during welding, welding current is 180 ~ 220A, and voltage is 21 ~ 25V, speed of welding 350 ~ 360mm/min, shredded dried bean curd elongation 15mm;
(4) first tack weld is carried out overleaf during welding, the size of weld seam after the height of tack weld and width must not exceed, the length optional of spot welding selects 10 ~ 80mm, after the spot welding at the back side should being sliced off after front welds, weld the back side again, should welding as far as possible from the middle to both ends for longer weld seam especially full weld, to reduce welding deformation.
2. the mixed gas protected consumable-electrode weld welding procedure of a kind of 5mm steel plate material according to claim 1, is characterized in that: the ratio of protective gas when described steel is carbon steel is the Ar of the 80% and CO of 20%
2; The ratio of protective gas when described steel is stainless steel is the Ar of the 97.5% and CO of 2.5%
2.
3. the mixed gas protected consumable-electrode weld welding procedure of a kind of 5mm steel plate material according to claim 1, is characterized in that: according to the corresponding flux-cored wire of the Material selec-tion of steel during welding, flux-cored wire adopts pure CO
2gas shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410694830.9A CN104588848A (en) | 2014-11-27 | 2014-11-27 | Consumable electrode mixed gas shielded arc welding process for steel plate with thickness being 5 mm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410694830.9A CN104588848A (en) | 2014-11-27 | 2014-11-27 | Consumable electrode mixed gas shielded arc welding process for steel plate with thickness being 5 mm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104588848A true CN104588848A (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410694830.9A Pending CN104588848A (en) | 2014-11-27 | 2014-11-27 | Consumable electrode mixed gas shielded arc welding process for steel plate with thickness being 5 mm |
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| Country | Link |
|---|---|
| CN (1) | CN104588848A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972208A (en) * | 2015-06-30 | 2015-10-14 | 柳州金茂机械有限公司 | Process for argon-arc welding of steel plate |
| CN109352144A (en) * | 2018-12-07 | 2019-02-19 | 中船重工（武汉）船舶与海洋工程装备设计有限公司 | A kind of welding method and device of thin-wall construction |
| CN109848523A (en) * | 2019-01-24 | 2019-06-07 | 中车四方车辆有限公司 | Joining method for stainless steel car body corrugated plating |
| CN111069801A (en) * | 2019-12-27 | 2020-04-28 | 武汉武船计量试验有限公司 | A940 steel single-side welding and double-side forming welding method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231155A (en) * | 2013-06-06 | 2013-08-07 | 济钢集团有限公司 | Easy-welding high-strength large-thickness steel plate preheating-free gas shielded welding process |
| CN103639610A (en) * | 2013-12-12 | 2014-03-19 | 辽宁忠旺集团有限公司 | Welding technology for aluminum alloy apron board of high-speed bullet train equipment cabin |
| CN103862183A (en) * | 2014-03-06 | 2014-06-18 | 济钢集团有限公司 | High-efficiency welding method of stainless steel composite board |
-
2014
- 2014-11-27 CN CN201410694830.9A patent/CN104588848A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231155A (en) * | 2013-06-06 | 2013-08-07 | 济钢集团有限公司 | Easy-welding high-strength large-thickness steel plate preheating-free gas shielded welding process |
| CN103639610A (en) * | 2013-12-12 | 2014-03-19 | 辽宁忠旺集团有限公司 | Welding technology for aluminum alloy apron board of high-speed bullet train equipment cabin |
| CN103862183A (en) * | 2014-03-06 | 2014-06-18 | 济钢集团有限公司 | High-efficiency welding method of stainless steel composite board |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972208A (en) * | 2015-06-30 | 2015-10-14 | 柳州金茂机械有限公司 | Process for argon-arc welding of steel plate |
| CN109352144A (en) * | 2018-12-07 | 2019-02-19 | 中船重工（武汉）船舶与海洋工程装备设计有限公司 | A kind of welding method and device of thin-wall construction |
| CN109848523A (en) * | 2019-01-24 | 2019-06-07 | 中车四方车辆有限公司 | Joining method for stainless steel car body corrugated plating |
| CN111069801A (en) * | 2019-12-27 | 2020-04-28 | 武汉武船计量试验有限公司 | A940 steel single-side welding and double-side forming welding method |
| CN111069801B (en) * | 2019-12-27 | 2022-04-29 | 武汉武船计量试验有限公司 | A940 steel single-side welding and double-side forming welding method |
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Application publication date: 20150506 |
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