CN101898287B - Manufacture method of large-diameter self-protection multi-strand stranded welding wire - Google Patents
Manufacture method of large-diameter self-protection multi-strand stranded welding wire Download PDFInfo
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- CN101898287B CN101898287B CN2010102333256A CN201010233325A CN101898287B CN 101898287 B CN101898287 B CN 101898287B CN 2010102333256 A CN2010102333256 A CN 2010102333256A CN 201010233325 A CN201010233325 A CN 201010233325A CN 101898287 B CN101898287 B CN 101898287B
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- 238000003466 welding Methods 0.000 title claims abstract description 118
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000007787 solid Substances 0.000 claims abstract description 42
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 238000012856 packing Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 230000004927 fusion Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention relates to a manufacture method of a welding wire, in particular to a manufacture method of a large-diameter self-protection multi-strand stranded welding wire, comprising the following steps of (1), manufacturing an outer winding flux-cored welding wire; (2), stranding on a stranding machine with adjustable tensioning force without rotating a center solid core welding wire, and rotating the outer winding flux-cored welding wire densely wound at the periphery of the center solid core welding wire around the center solid core welding wire with a spiral angle alpha and the tensioning force F; (3), straightening; (4), rolling up; and (5), sorting the welding wire in discs and packaging. The welding wire end of the large-diameter self-protection multi-strand stranded welding wire processed by the method can not spread in the welding process.
Description
Technical field
Invention relates to a kind of manufacture method of manufacture method, particularly a kind of large-diameter self-protection multi-strand stranded welding wire of welding wire.
Background technology
Self-protection flux-cored wire owing to without coating, welding process, not needing adscititious gases protection, be easy to alloying and be widely used in manufacture of steel structure; as fields such as shipbuilding, boiler, container, pipeline, bridge and ocean engineerings, and the built-up welding fields such as surface modification or reparation.The maximum gauge of existing self-protection flux-cored wire is 3.2mm only, and only limits to automatic welding.And the semiautomatic welding flexible for construction, that equipment is simply used in a large number; its maximum gage of wire is only 1.2mm; its reason is that the rigidity of major diameter welding wire is too large, can't be for semiautomatic welding, and this has just greatly restricted the raising of the productivity ratio of semi-automatic self-protection flux-cored wire.
Application number 200910027603.X multi-strand stranded welding wire, following technical characterictic is disclosed: comprise solid core welding wire and outward around flux-cored wire, by the multiply solid core welding wire with outward around stranded being integrated of flux-cored wire mixing, or be integrated around flux-cored wire is stranded multiply is outer, wherein: in the middle of a root wire is positioned at, be called core wire, all the other welding wires are stranded around middle core wire, are called peripheral silk.The present invention has overcome traditional outer large not around the flux-cored wire diameter, when increasing, diameter is difficult for the shortcomings such as coiling, outspoken nature be poor, stranded multiply is outer large around flux-cored wire diameter excursion, can obtain larger fusion penetration, molten wide or generous overlay cladding, be conducive to the welding of Big Gold metal elements, strands outer large around the flux-cored wire fusion penetration, molten roomy, deposition efficiency is high, its production technology is simple, efficiency is high, coiling property is strong, outspoken nature is good, can obtain larger fusion penetration, molten wide or generous overlay cladding, has wider range of application.
Practice shows that above-mentioned multi-strand stranded welding wire easily produces the problem of scattering in end in the welding process, and how to scatter be the key that can this stranded electrode be applied in end when controlling the coiling parameter and solve welding in process.
Summary of the invention
Inventing technical problem to be solved is, for the above-mentioned deficiency of prior art, and provides a kind of manufacture method of large-diameter self-protection multi-strand stranded welding wire.Described multi-strand stranded welding wire Shi You mono-center solid core welding wire and closely curl up outer on the solid core welding wire of described center and form around flux-cored wire.
The manufacture method of the large-diameter self-protection multi-strand stranded welding wire that invention provides is realized by following technical scheme.
According to outward, around the number of plies difference of flux-cored wire, have different manufacture methods, the manufacture method for only having the outer large-diameter self-protection multi-strand stranded welding wire around flux-cored wire of one deck is characterized in that comprising the following steps:
(1) manufacture is outer around flux-cored wire;
(2) be stranded in and on the adjustable stranding machine of tightening force, carry out strandedly, the center solid core welding wire does not rotate, and closely is around in outer around flux-cored wire totally six volumes around the solid core welding wire of center, curls up with lead angle α, tightening force F ，Rao center solid core welding wire; Described center solid core welding wire is with outward when the flux-cored wire equal diameters, and described lead angle α is between 44 °～60 °; Described tightening force F is with described outer relevant around the diameter d of flux-cored wire, and during diameter d=0.8mm, tightening force F is 7～8 newton; During diameter d=1.0mm, tightening force F is 8～9 newton; During diameter d=1.2mm, tightening force F is 10～11 newton.
(3) straightening;
(4) rolling;
(5) divide dish, packing.
Manufacture method for two-layer outer large-diameter self-protection multi-strand stranded welding wire around flux-cored wire is characterized in that comprising the following steps:
(1) manufacture is outer around flux-cored wire;
(2) ground floor is stranded in and on the adjustable stranding machine of tightening force, carries out strandedly, and the center solid core welding wire does not rotate, and closely is around in outer around flux-cored wire totally six volumes around the solid core welding wire of center, curls up with lead angle α, tightening force F ，Rao center solid core welding wire; Described center solid core welding wire is with outward when the flux-cored wire equal diameters, and described lead angle α is between 44 °～60 °; Described tightening force F is with described outer relevant around the diameter d of flux-cored wire, and during diameter d=0.8mm, tightening force F is 7～8 newton; During diameter d=1.0mm, tightening force F is 8～9 newton; During diameter d=1.2mm, tightening force F is 10～11 newton.
(3) straightening;
(4) rolling;
(5) second layer be stranded on the adjustable stranding machine of tightening force, carry out stranded, non-rotary middle cored welding wire using the outer stranded electrode around flux-cored wire of stranded good ground floor as the second layer, close be around in around middle cored welding wire outer around flux-cored wire totally 12 with step (2) in same-handed lift angle α, identical tightening force F, around middle cored welding wire, curl up;
(6) straightening;
(7) rolling;
(8) divide dish, packing.
The manufacture method of the large-diameter self-protection multi-strand stranded welding wire of more multi-layered number can the rest may be inferred.
The manufacture method of above-mentioned large-diameter self-protection multi-strand stranded welding wire, the described straightening of step (3) is two-way destressing straightening, and stranded good welding wire, by the repeatedly bending of two vertical direction perpendicular to the welding wire axis, is eliminated to the residual stress of welding wire.
The invention has the advantages that:
The manufacture method of large-diameter self-protection multi-strand stranded welding wire of the present invention, can guarantee that do not scatter in the welding wire end in welding process.Practice shows that under certain tightening force condition with the stranded multi-strand stranded welding wire of minimum helical lift angle, stranded by the destressing straightening, can not scatter in the welding wire end in welding process.
For architectural feature and effect thereof to invention have further understanding, hereby enumerate specific embodiment and be described with reference to the accompanying drawings as follows.
The accompanying drawing explanation
Fig. 1 is the production stage figure of the manufacture method of large-diameter self-protection multi-strand stranded welding wire of the present invention.
Fig. 2 is the structural representation of invention large-diameter self-protection multi-strand stranded welding wire embodiment mono-.
Fig. 3 is the cross-sectional view of Fig. 1.
Fig. 4 is the production stage figure of embodiment mono-of the manufacture method of large-diameter self-protection multi-strand stranded welding wire of the present invention.
Fig. 5 is the structural representation of the embodiment bis-of invention large-diameter self-protection protection multi-strand stranded welding wire.
Fig. 6 is the cross-sectional view of Fig. 5.
Fig. 7 is the production stage figure of embodiment bis-of the manufacture method of large-diameter self-protection multi-strand stranded welding wire of the present invention.
The specific embodiment
As shown in Figure 1, the manufacture method of a kind of large-diameter self-protection multi-strand stranded welding wire provided by the present invention comprises the following steps:
(1) manufacture is outer around flux-cored wire;
(2) be stranded in to have and on the adjustable stranding machine of tightening force, carry out strandedly, the center solid core welding wire does not rotate, and closely is around in outer around flux-cored wire around the solid core welding wire of center, curls up with lead angle α, tightening force F ，Rao center solid core welding wire;
(3) straightening;
(4) rolling;
(5) divide dish, packing.
According to the outer number of plies around flux-cored wire, numerous embodiments is arranged, below only with regard to 6 of one decks outer around flux-cored wire and two-layer 18 outer around flux-cored wire, be that example is described in detail, more multi-layered outer winding method around flux-cored wire can by outside two-layer around the method release of flux-cored wire.
Embodiment mono-
As shown in Figure 2 and Figure 3, the large-diameter self-protection multi-strand stranded welding wire Shi You mono-center solid core welding wire 1 of the manufacture method manufacturing of the embodiment of the present invention one reaches closely to curl up outside 6 on described center solid core welding wire 1 and forms around flux-cored wire 2, and described center solid core welding wire 1 reaches outer diameter around flux-cored wire 2 and is: 0.8mm; Or 1.0mm; Or 1.2mm.
Fig. 4 is the production stage of manufacture method of the large-diameter self-protection multi-strand stranded welding wire of the present embodiment, comprising:
(1) manufacture is outer around flux-cored wire, manufacture method manufacture routinely;
(2) be stranded in and on the adjustable stranding machine of tightening force, carry out strandedly, the center solid core welding wire does not rotate, and closely is around in outer around totally 6 of flux-cored wires around the solid core welding wire of center, curls up with lead angle α, tightening force F ，Rao center solid core welding wire; Described center solid core welding wire is with outward when the flux-cored wire equal diameters, and described lead angle α is between 44 °～60 °; Described tightening force F is with described outer relevant around the diameter d of flux-cored wire, and during diameter d=0.8mm, tightening force F is 7～8 newton; During diameter d=1.0mm, tightening force F is 8～9 newton; During diameter d=1.2mm, tightening force F is 10～11 newton.
(3) straightening;
(4) rolling;
(5) divide dish, packing.
Embodiment bis-
Be as shown in Figure 5, Figure 6 the embodiment of the present invention two the manufacture method manufacturing large-diameter self-protection multi-strand stranded welding wire Shi You mono-center solid core welding wire 1 and closely curl up on described center solid core welding wire 1 two-layer totally 18 around flux-cored wire 2, forms outward, the diameter that described center solid core welding wire 1 reaches outward around flux-cored wire 2 is: 0.8mm; Or 1.0mm; Or 1.2mm.
Fig. 7 is the production stage figure of embodiment bis-of the manufacture method of large-diameter self-protection multi-strand stranded welding wire of the present invention.For the ground floor of double-deck stranded electrode is close, be around in outer around totally 6 of flux-cored wires around the solid core welding wire of center; Coiling is by straightening, rolling; Again on the adjustable stranding machine of tightening force around the second layer, the outer stranded electrode around flux-cored wire of stranded good ground floor is not rotated as middle cored welding wire, close be around in around middle cored welding wire outer around flux-cored wire totally 12 with same-handed lift angle α, identical tightening force F, around middle cored welding wire, curl up.
Concrete steps are as follows:
(1) manufacture is outer around flux-cored wire, manufacture method manufacture routinely;
(2) ground floor is stranded in to have and on the adjustable stranding machine of tightening force, carries out strandedly, and the center solid core welding wire does not rotate, and closely is around in outer around totally 6 of flux-cored wires around the solid core welding wire of center, curls up with lead angle α, tightening force F ，Rao center solid core welding wire; Described center solid core welding wire is with outward when the flux-cored wire equal diameters, and described lead angle α is between 44 °～60 °; Described tightening force F is with described outer relevant around the diameter d of flux-cored wire, and during diameter d=0.8mm, tightening force F is 7～8 newton; During diameter d=1.0mm, tightening force F is 8～9 newton; During diameter d=1.2mm, tightening force F is 10～11 newton.
(3) straightening;
(4) rolling;
(5) second layer be stranded on the adjustable stranding machine of tightening force, carry out stranded, the outer stranded electrode around flux-cored wire of stranded good ground floor is not rotated as middle cored welding wire, close be around in around middle cored welding wire outer around flux-cored wire totally 12 with step (2) in same-handed lift angle α, identical tightening force F ，Rao center solid core welding wire curl up;
(6) straightening;
(7) rolling;
(8) divide dish, packing.
In above-described embodiment one and embodiment bis-:
The described pitch angle alpha will of step (2) is preferably between 44 °～45 °.
The described straightening of step (3) is two-way destressing straightening, and stranded good welding wire, by the repeatedly bending of two vertical direction perpendicular to the welding wire axis, is eliminated to the residual stress of welding wire.
Claims (6)
1. the manufacture method of a large-diameter self-protection multi-strand stranded welding wire is characterized in that comprising the following steps:
(1) manufacture is outer around flux-cored wire;
(2) be stranded in and on the adjustable stranding machine of tightening force, carry out strandedly, the center solid core welding wire does not rotate, and closely is around in outer around totally 6 of flux-cored wires around the solid core welding wire of center, curls up with lead angle α, tightening force F ，Rao center solid core welding wire; Described center solid core welding wire is with outward when the flux-cored wire equal diameters, and described lead angle α is between 44 °～60 °; Described tightening force F is with described outer relevant around the diameter d of flux-cored wire, and during diameter d=0.8mm, tightening force F is 7～8 newton; During diameter d=1.0mm, tightening force F is 8～9 newton; During diameter d=1.2mm, tightening force F is 10～11 newton;
(3) straightening;
(4) rolling;
(5) divide dish, packing.
2. the manufacture method of large-diameter self-protection multi-strand stranded welding wire according to claim 1, is characterized in that the described lead angle α of step (2) is between 44 °～45 °.
3. the manufacture method of large-diameter self-protection multi-strand stranded welding wire according to claim 1; it is characterized in that the described straightening of step (3) is two-way destressing straightening; stranded good welding wire, by the repeatedly bending of two vertical direction perpendicular to the welding wire axis, is eliminated to the residual stress of welding wire.
4. the manufacture method of a large-diameter self-protection multi-strand stranded welding wire is characterized in that comprising the following steps:
(1) manufacture is outer around flux-cored wire;
(2) ground floor is stranded in and on the adjustable stranding machine of tightening force, carries out strandedly, and the center solid core welding wire does not rotate, and closely is around in outer around flux-cored wire totally six volumes around the solid core welding wire of center, curls up with lead angle α, tightening force F ，Rao center solid core welding wire; Described center solid core welding wire is with outward when the flux-cored wire equal diameters, and described lead angle α is between 44 °～60 °; Described tightening force F is with described outer relevant around the diameter d of flux-cored wire, and during diameter d=0.8mm, tightening force F is 7～8 newton; During diameter d=1.0mm, tightening force F is 8～9 newton; During diameter d=1.2mm, tightening force F is 10～11 newton;
(3) straightening;
(4) rolling;
(5) second layer be stranded on the adjustable stranding machine of tightening force, carry out stranded, non-rotary middle cored welding wire using the outer stranded electrode around flux-cored wire of stranded good ground floor as the second layer, close be around in around middle cored welding wire outer around flux-cored wire totally 12 with step (2) in same-handed lift angle α, identical tightening force F, around middle cored welding wire, curl up;
(6) straightening;
(7) rolling;
(8) divide dish, packing.
5. the manufacture method of large-diameter self-protection multi-strand stranded welding wire according to claim 4, is characterized in that the described lead angle α of step (2) is between 44 °～45 °.
6. the manufacture method of large-diameter self-protection multi-strand stranded welding wire according to claim 4; it is characterized in that the described straightening of step (3) is two-way destressing straightening; stranded good welding wire, by the repeatedly bending of two vertical direction perpendicular to the welding wire axis, is eliminated to the residual stress of welding wire.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102333256A CN101898287B (en) | 2010-07-22 | 2010-07-22 | Manufacture method of large-diameter self-protection multi-strand stranded welding wire |
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| CN2010102333256A CN101898287B (en) | 2010-07-22 | 2010-07-22 | Manufacture method of large-diameter self-protection multi-strand stranded welding wire |
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| CN101898287A CN101898287A (en) | 2010-12-01 |
| CN101898287B true CN101898287B (en) | 2013-11-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615391A (en) * | 2012-04-12 | 2012-08-01 | 时振 | Multi-wire rotating arc welding |
| CN103862188A (en) * | 2014-03-26 | 2014-06-18 | 江苏科技大学 | CMT welding system and cable type welding wire applied to same |
| CN105665955B (en) * | 2016-03-01 | 2017-11-14 | 苏州引力焊业科技有限公司 | Cable formula welding wire |
| CN106238950A (en) * | 2016-08-26 | 2016-12-21 | 武汉市润之达石化设备有限公司 | Rustless steel Flos Cannabis pigtail welding material and preparation method thereof |
| CN110919231A (en) * | 2019-12-13 | 2020-03-27 | 哈尔滨焊接研究院有限公司 | Arc welding rod and arc welding device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1276451A (en) * | 1999-06-03 | 2000-12-13 | 弘德钢丝绳株式会社 | Reinforced wirerope for rubber products and method and apparatus for making said wirerope |
| CN201030475Y (en) * | 2007-01-29 | 2008-03-05 | 刘兴华 | Large-diameter carbon dioxide gas protecting wire |
| CN101559543A (en) * | 2009-05-12 | 2009-10-21 | 中国矿业大学 | Multi-stranded welding wires |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61159295A (en) * | 1984-12-29 | 1986-07-18 | Kobe Steel Ltd | Twisted wire for welding |
| JPS6340697A (en) * | 1986-08-01 | 1988-02-22 | Kawasaki Steel Corp | Flux cored strand wire for welding |
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2010
- 2010-07-22 CN CN2010102333256A patent/CN101898287B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1276451A (en) * | 1999-06-03 | 2000-12-13 | 弘德钢丝绳株式会社 | Reinforced wirerope for rubber products and method and apparatus for making said wirerope |
| CN201030475Y (en) * | 2007-01-29 | 2008-03-05 | 刘兴华 | Large-diameter carbon dioxide gas protecting wire |
| CN101559543A (en) * | 2009-05-12 | 2009-10-21 | 中国矿业大学 | Multi-stranded welding wires |
Non-Patent Citations (2)
| Title |
|---|
| JP昭61-159295A 1986.07.18 |
| JP昭63-40697A 1988.02.22 |
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Effective date of registration: 20200117 Address after: Room 501, block a, R & D building, No. 2, Lijing Road, Jiangbei new district, Nanjing City, Jiangsu Province Patentee after: Jiangsu gravitational Welding Engineering Technology Research Co., Ltd Address before: No.38, Shiyang Road, high tech Zone, Suzhou City, Jiangsu Province Patentee before: Suzhou gravity Welding Technology Co., Ltd. |