CN106346166A - Low-temperature preheating high-strength flux-cored wire and production process thereof - Google Patents
Low-temperature preheating high-strength flux-cored wire and production process thereof Download PDFInfo
- Publication number
- CN106346166A CN106346166A CN201610775088.3A CN201610775088A CN106346166A CN 106346166 A CN106346166 A CN 106346166A CN 201610775088 A CN201610775088 A CN 201610775088A CN 106346166 A CN106346166 A CN 106346166A
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- Prior art keywords
- flux
- cored wire
- machine
- steel
- low
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
- B23K35/3073—Fe as the principal constituent with Mn as next major constituent
-
- 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
- B23K35/40—Making wire or rods for soldering or welding
-
- 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
- B23K35/40—Making wire or rods for soldering or welding
- B23K35/406—Filled tubular wire or rods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention discloses a low-temperature preheating high-strength flux-cored wire and a production process thereof, belongs to the technical field of welding materials and can solve the problems that a high-strength plate high-temperature heating welding process is complicated, long in cycle and high in cost, and product quality cannot be ensured by a production process in the prior art. The low-temperature preheating high-strength flux-cored wire comprises a steel tape sheath and powder, the steel tape sheath is provided with an O-shaped section, and the powder is placed in the steel tape sheath and comprises, in weight percentage, 0.03-0.042% of C, 0.47-0.49% of Si, 1.56-1.87% of Mn, 0.013-0.015% of P, 0.009-0.0092% of S, 1.18-1.52% of Ni, 0.12-0.25% of Cr, 0.298-0.37% of Mo, 0.003-0.004% of V and 0.013-0.014% of Cu. The balance is the steel tape sheath, a steel tape is longitudinally sheared, a welding wire is pre-formed and secondarily formed, and the flux-cored wire is produced by a fine drawing process. The welding process can be simplified, and the quality of the flux-cored wire can be improved.
Description
Technical field
The invention belongs to technical field of welding materials is and in particular to a kind of low-temperature prewarming high-strength flux-cored wire and its production
Technique.
Background technology
Flux-cored wire is our times, state-of-the-art novel welding material, belongs to forth generation welding material.Each prosperity state at present
Family is all in active development and production, and high volume applications are in the welding of the metal structures such as large-sized structural parts, heavy-duty machinery.Due to
The steel strength more and more higher that structural member is selected, solid core welding wire has been unable to reach and has met design requirement, especially 70 feather weight
Above solid core welding wire performance is just more difficult to ensure, flux-cored wire with excellent processing performance, overcome solid core welding wire splash big,
The shortcomings of scarfing cinder is difficult, weld appearance is not good enough.So, each state is all using flux-cored wire as the first-selection in high strength structure welding.
At present, for ensureing the weld strength of high-strength plate it is necessary to using high-temperature heating welding, welding requirements is: uses heat treatment
Resistance furnace is heated to 250 DEG C, is incubated 2 hours；Snap in the range of 150 to 180 DEG C, weldering temperature must not be less than 80 DEG C eventually；Bridge welding
Jointing temp must not be less than 100 DEG C；Workpiece is less than and will stop welding when welding temperature eventually, reheats.6.2 meters of set caps, shielding
The big part such as beam need to heat 5～6 times repeatedly, and 4 people weld 6～7 days simultaneously and just can complete, and not only circumstance is extremely severe,
And complex process, the cycle is long, high cost.
Traditional production technology, detection method in process of production cannot know the reality of the filling rate in production process
Data is it is impossible to reach random, monitoring flux-cored wire quality at any time purpose it is impossible to fundamentally ensure product quality.
Content of the invention
The present invention is complicated in order to solve in prior art high-strength plate high-temperature heating welding procedure, and the cycle is long, high cost and
Production technology cannot ensure the problem of product quality, provides a kind of low-temperature prewarming high-strength flux-cored wire and its production technology.
The present invention adopts the following technical scheme that realization:
A kind of low-temperature prewarming high-strength flux-cored wire, and is loaded in steel-tape sheath for the steel-tape sheath of o type including cross sectional shape
Medicated powder, described medicated powder includes the composition of following mass percent: c:0.03-0.042%；Si:0.47-0.49%；Mn:1.56-
1.87%；P:0.013-0.015%；S:0.009-0.0092%；Ni:1.18-1.52%；Cr:0.12-0.25%；Mo:0.298-
0.37%；V:0.003-0.004%；Cu:0.013-0.014%, its balance of steel-tape sheath.
A kind of production technology of low-temperature prewarming high-strength flux-cored wire, comprises the steps:
The first step, steel band slitting, raw material strip steel is cut into the narrow steel strip of 8-16mm on steel band slitter, then will through steel band layer winder
Narrow steel strip layer is wound in I-beam wheel, uses for later process；
Second step, welding wire preforming, clipped processing narrow steel strip in I-beam wheel for the bundling, are carried out clearly through cleaning machine for metal strips
Except surface and oil contaminant, dry after enter flux-cored wire forming machine group, be rolled into after u-shaped through three groups of roll drawings, online with link
The high accuracy powder feeding machine through belt or with online filling rate automatic tester function for the kind of drive conveys medicated powder, after loading medicated powder
Narrow steel strip continue drawings through three groups of rolls, Formation cross-section is shaped as docking a diameter of φ 4.2mm welding wire of o type；
3rd step, welding wire post forming, the welding wire of a diameter of φ 4.2mm enters the first tank φ 400 flux-cored wire drawing machine to be carried out
Pre- draw after, form a diameter of φ 3.9mm bonding wire, after initially enter drawing procedure, warp through the second tank flux-cored wire drawing machine
Seven tank drawings, form a diameter of φ 2.3mm bonding wire；
4th step, fine drawing, a diameter of φ 2.3mm bonding wire, after admission machine take-up, forms φ 1.6mm after finely drawing and dialling
～φ 1.0mm specification welding wire.
Described steel band slitter includes slitting machine host, cantilevered puts band machine, steel tape guiding device, precleaning spout and separation
Disc type winder.
Described flux-cored wire forming machine group, including vertical rolls six frame, horizontal roll five frame.
Described flux-cored wire drawing machine includes straight drawing machine group, puts band machine, admission machine and tension bracket.
The described high accuracy powder feeding machine with online filling rate automatic tester function adopts far-infrared technique to addition medicine
The actual index of powder filling rate carries out real-time detection, automatic detection and powder pushing precision relative error≤± 5%.
Beneficial effects of the present invention are as follows:
1. the present invention can make end weld temperature and be down to 40 DEG C by 80 DEG C, realize high-strength plate and continuously weld, and welding procedure simplifies, and improve
Welding production efficiency, reduces labor intensity；
2. can effectively ensure that the stability of welding process and the reliability of weldment quality；
3. realize producing equipment medicated powder is automatically controlled, prevent the entrance of wire drawing powder and other impurities, improve Quality of Final Welding Wire.
Brief description
Fig. 1 is production technological process of the present invention.
Specific embodiment
Embodiment 1, a kind of low-temperature prewarming high-strength flux-cored wire, and it is loaded on for the steel-tape sheath of o type including cross sectional shape
Medicated powder in steel-tape sheath, described medicated powder includes the composition of following mass percent: c:0.042%；Si:0.49%；Mn:1.56%；
P:0.013%；S:0.0092%；Ni:1.18%；Cr:0.12%；Mo:0.3%；V:0.004%；Cu:0.014%, its balance of steel band
Crust.
Embodiment 2, a kind of low-temperature prewarming high-strength flux-cored wire, and it is loaded on for the steel-tape sheath of o type including cross sectional shape
Medicated powder in steel-tape sheath, described medicated powder includes the composition of following mass percent: c:0.04%；Si:0.47%；Mn:1.76%；
P:0.015%；S:0.009%；Ni:1.38%；Cr:0.15%；Mo:0.298%；V:0.004%；Cu:0.014%, its balance of steel band
Crust.
Embodiment 3, a kind of low-temperature prewarming high-strength flux-cored wire, and it is loaded on for the steel-tape sheath of o type including cross sectional shape
Medicated powder in steel-tape sheath, described medicated powder includes the composition of following mass percent: c:0.03%；Si:0.49%；Mn:1.87%；
P:0.013%；S:0.0092%；Ni:1.52%；Cr:0.25%；Mo:0.37%；V:0.004%；Cu:0.014%, its balance of steel band
Crust.
A kind of production technology of low-temperature prewarming high-strength flux-cored wire, comprises the steps:
The first step, steel band slitting, raw material strip steel is cut into the narrow steel strip of 8-16mm on steel band slitter, then will through steel band layer winder
Narrow steel strip layer is wound in I-beam wheel, uses for later process；
Second step, welding wire preforming, clipped processing narrow steel strip in I-beam wheel for the bundling, are carried out clearly through cleaning machine for metal strips
Except surface and oil contaminant, dry after enter flux-cored wire forming machine group, be rolled into after u-shaped through three groups of roll drawings, online with link
The high accuracy powder feeding machine through belt or with online filling rate automatic tester function for the kind of drive conveys medicated powder, after loading medicated powder
Narrow steel strip continue drawings through three groups of rolls, Formation cross-section is shaped as docking a diameter of φ 4.2mm welding wire of o type；
3rd step, welding wire post forming, the welding wire of a diameter of φ 4.2mm enters the first tank φ 400 flux-cored wire drawing machine to be carried out
Pre- draw after, form a diameter of φ 3.9mm bonding wire, after initially enter drawing procedure, warp through the second tank flux-cored wire drawing machine
Seven tank drawings, form a diameter of φ 2.3mm bonding wire；
4th step, fine drawing, a diameter of φ 2.3mm bonding wire, after admission machine take-up, forms φ 1.6mm after finely drawing and dialling
～φ 1.0mm specification welding wire.
Described steel band slitter includes slitting machine host, cantilevered puts band machine, steel tape guiding device, precleaning spout and separation
Disc type winder.
Described flux-cored wire forming machine group, including vertical rolls six frame, horizontal roll five frame.
Described flux-cored wire drawing machine includes straight drawing machine group, puts band machine, admission machine and tension bracket.
The described high accuracy powder feeding machine with online filling rate automatic tester function adopts far-infrared technique to addition medicine
The actual index of powder filling rate carries out real-time detection, automatic detection and powder pushing precision relative error≤± 5%.
Claims (6)
1. a kind of low-temperature prewarming high-strength flux-cored wire, and is loaded in steel-tape sheath for the steel-tape sheath of o type including cross sectional shape
Medicated powder it is characterised in that: described medicated powder includes the composition of following mass percent: c:0.03-0.042%；Si:0.47-
0.49%；Mn:1.56-1.87%；P:0.013-0.015%；S:0.009-0.0092%；Ni:1.18-1.52%；Cr:0.12-
0.25%；Mo:0.298-0.37%；V:0.003-0.004%；Cu:0.013-0.014%, its balance of steel-tape sheath.
2. a kind of production technology of low-temperature prewarming high-strength flux-cored wire it is characterised in that: comprise the steps:
The first step, steel band slitting, raw material strip steel is cut into the narrow steel strip of 8-16mm on steel band slitter, then will through steel band layer winder
Narrow steel strip layer is wound in I-beam wheel, uses for later process；
Second step, welding wire preforming, clipped processing narrow steel strip in I-beam wheel for the bundling, are carried out clearly through cleaning machine for metal strips
Except surface and oil contaminant, dry after enter flux-cored wire forming machine group, be rolled into after u-shaped through three groups of roll drawings, online with link
The high accuracy powder feeding machine through belt or with online filling rate automatic tester function for the kind of drive conveys medicated powder, after loading medicated powder
Narrow steel strip continue drawings through three groups of rolls, Formation cross-section is shaped as docking a diameter of φ 4.2mm welding wire of o type；
3rd step, welding wire post forming, the welding wire of a diameter of φ 4.2mm enters the first tank φ 400 flux-cored wire drawing machine to be carried out
Pre- draw after, form a diameter of φ 3.9mm bonding wire, after initially enter drawing procedure, warp through the second tank flux-cored wire drawing machine
Seven tank drawings, form a diameter of φ 2.3mm bonding wire；
4th step, fine drawing, a diameter of φ 2.3mm bonding wire, after admission machine take-up, forms φ 1.6mm after finely drawing and dialling
～φ 1.0mm specification welding wire.
3. a kind of low-temperature prewarming high-strength flux-cored wire according to claim 2 production technology it is characterised in that: described
Steel band slitter includes slitting machine host, cantilevered puts band machine, steel tape guiding device, precleaning spout and separate disc type winder.
4. a kind of low-temperature prewarming high-strength flux-cored wire according to claim 2 production technology it is characterised in that: described
Flux-cored wire forming machine group, including vertical rolls six frame, horizontal roll five frame.
5. a kind of low-temperature prewarming high-strength flux-cored wire according to claim 2 production technology it is characterised in that: described
Flux-cored wire drawing machine includes straight drawing machine group, puts band machine, admission machine and tension bracket.
6. a kind of low-temperature prewarming high-strength flux-cored wire according to claim 2 production technology it is characterised in that: described
High accuracy powder feeding machine with online filling rate automatic tester function adopts far-infrared technique to the reality adding medicated powder filling rate
Border index carries out real-time detection, automatic detection and powder pushing precision relative error≤± 5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610775088.3A CN106346166A (en) | 2016-08-31 | 2016-08-31 | Low-temperature preheating high-strength flux-cored wire and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610775088.3A CN106346166A (en) | 2016-08-31 | 2016-08-31 | Low-temperature preheating high-strength flux-cored wire and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106346166A true CN106346166A (en) | 2017-01-25 |
Family
ID=57857101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610775088.3A Pending CN106346166A (en) | 2016-08-31 | 2016-08-31 | Low-temperature preheating high-strength flux-cored wire and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106346166A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881541A (en) * | 2017-03-31 | 2017-06-23 | 安徽再制造工程设计中心有限公司 | A kind of flux-cored wire production technology |
| CN114603275A (en) * | 2022-04-18 | 2022-06-10 | 潍坊昌成耐磨材料有限公司 | Production process and production line equipment for flux-cored wires |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3860777A (en) * | 1974-04-03 | 1975-01-14 | American Metal Climax Inc | Process for welding low-alloy steels containing niobium |
| CN101239430A (en) * | 2007-02-05 | 2008-08-13 | 天津市三英焊业有限责任公司 | Technique for manufacturing flux-cored wire from disk round steel wire bar |
| CN101537552A (en) * | 2009-04-16 | 2009-09-23 | 武汉铁锚焊接材料股份有限公司 | Online measurement and control method and device of filling ratio of flux-cored wire forming machine |
| CN102655978A (en) * | 2009-12-16 | 2012-09-05 | 新日本制铁株式会社 | Wire containing flux for gas-sealed arc welding, allowing all-position welding |
| CN104271310A (en) * | 2012-05-08 | 2015-01-07 | 新日铁住金株式会社 | Flux-containing wire for welding ultrahigh-tensile steel |
| CN104289825A (en) * | 2014-08-27 | 2015-01-21 | 洛阳双瑞特种合金材料有限公司 | Steel seamless flux-cored wire used in mixed gas of AR and CO2 |
| JP2015083316A (en) * | 2013-10-25 | 2015-04-30 | 新日鐵住金株式会社 | Box column and production method thereof |
| CN105339132A (en) * | 2013-11-08 | 2016-02-17 | 新日铁住金株式会社 | Method for producing weld joint |
-
2016
- 2016-08-31 CN CN201610775088.3A patent/CN106346166A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3860777A (en) * | 1974-04-03 | 1975-01-14 | American Metal Climax Inc | Process for welding low-alloy steels containing niobium |
| CN101239430A (en) * | 2007-02-05 | 2008-08-13 | 天津市三英焊业有限责任公司 | Technique for manufacturing flux-cored wire from disk round steel wire bar |
| CN101537552A (en) * | 2009-04-16 | 2009-09-23 | 武汉铁锚焊接材料股份有限公司 | Online measurement and control method and device of filling ratio of flux-cored wire forming machine |
| CN102655978A (en) * | 2009-12-16 | 2012-09-05 | 新日本制铁株式会社 | Wire containing flux for gas-sealed arc welding, allowing all-position welding |
| CN104271310A (en) * | 2012-05-08 | 2015-01-07 | 新日铁住金株式会社 | Flux-containing wire for welding ultrahigh-tensile steel |
| JP2015083316A (en) * | 2013-10-25 | 2015-04-30 | 新日鐵住金株式会社 | Box column and production method thereof |
| CN105339132A (en) * | 2013-11-08 | 2016-02-17 | 新日铁住金株式会社 | Method for producing weld joint |
| CN104289825A (en) * | 2014-08-27 | 2015-01-21 | 洛阳双瑞特种合金材料有限公司 | Steel seamless flux-cored wire used in mixed gas of AR and CO2 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881541A (en) * | 2017-03-31 | 2017-06-23 | 安徽再制造工程设计中心有限公司 | A kind of flux-cored wire production technology |
| CN114603275A (en) * | 2022-04-18 | 2022-06-10 | 潍坊昌成耐磨材料有限公司 | Production process and production line equipment for flux-cored wires |
| CN114603275B (en) * | 2022-04-18 | 2024-04-12 | 潍坊昌成耐磨材料有限公司 | Flux-cored wire production process and production line equipment |
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Application publication date: 20170125 |
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