CN101898287A - 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 PDF

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Publication number
CN101898287A
CN101898287A CN 201010233325 CN201010233325A CN101898287A CN 101898287 A CN101898287 A CN 101898287A CN 201010233325 CN201010233325 CN 201010233325 CN 201010233325 A CN201010233325 A CN 201010233325A CN 101898287 A CN101898287 A CN 101898287A
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Prior art keywords
welding wire
around
flux
wire
cored
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CN 201010233325
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CN101898287B (en
Inventor
时振
陆兴华
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Jiangsu gravitational Welding Engineering Technology Research Co., Ltd
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时振
陆兴华
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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

The manufacture method of large-diameter self-protection multi-strand stranded welding wire
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 is owing to no coating, welding process need not add gas shield, be easy to alloying and be widely used in the steel construction manufacturing; as fields such as shipbuilding, boiler, container, pipeline, bridge and ocean engineerings, and 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 weldering.And semiautomatic welding flexible for construction, that equipment is simply used in a large number; its maximum gage of wire only is 1.2mm; its reason is that the rigidity of major diameter welding wire is too big, can't be used 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, with the multiply solid core welding wire with to mix stranded around flux-cored wire outward be one, or with multiply outer stranded around flux-cored wire be one, wherein: in the middle of a root bead silk 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 big inadequately around the flux-cored wire diameter, when increasing, diameter is difficult for shortcomings such as coiling, outspoken nature difference, stranded multiply is outer big around flux-cored wire vary in diameter scope, can obtain bigger fusion penetration, molten wide or generous overlay cladding, help the welding of large-scale hardware, strands is outer around the flux-cored wire fusion penetration is big, molten roomy, deposition efficiency is high, its production technology is simple, the efficient height, coiling property is strong, outspoken nature is good, can obtain bigger fusion penetration, molten wide or generous overlay cladding, has wider range of application.
Practice shows that above-mentioned multi-strand stranded welding wire is easy to generate the problem of scattering in the end in the welding process, and to scatter be that can this stranded electrode key in application in the end when how solving welding by control coiling parameter in process.
Summary of the invention
Inventing technical problem to be solved is, at 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 is by a center solid core welding wire and closely curls up outer on the solid core welding wire of described center and constituted around flux-cored wire.
The manufacture method of the large-diameter self-protection multi-strand stranded welding wire that invention is provided is realized by following technical scheme.
A kind of manufacture method of large-diameter self-protection multi-strand stranded welding wire is characterized in that may further comprise the steps:
(1) manufacturing is outer around flux-cored wire;
(2) be stranded in and carry out strandedly on the adjustable stranding machine of tightening force, the center solid core welding wire does not rotate, close be around in outer around the solid core welding wire of center around flux-cored wire with lead angle α, tightening force F, solid core welding wire curls up around the center;
(3) straightening;
(4) rolling;
(5) branch dish, packing.
Around the number of plies difference of flux-cored wire, have different manufacture methods according to outward, the manufacture method for having only the outer large-diameter self-protection multi-strand stranded welding wire around flux-cored wire of one deck is characterized in that may further comprise the steps:
(1) manufacturing is outer around flux-cored wire;
(2) be stranded in and carry out strandedly on the adjustable stranding machine of tightening force, 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, and with lead angle α, tightening force F, solid core welding wire curls up around the center;
(3) straightening;
(4) rolling;
(5) branch 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 may further comprise the steps:
(1) manufacturing is outer around flux-cored wire;
(2) ground floor is stranded in and carries out strandedly on the adjustable stranding machine of tightening force, 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, and with lead angle α, tightening force F, solid core welding wire curls up around the center;
(3) straightening;
(4) rolling;
(5) second layer be stranded in carry out on the adjustable stranding machine of tightening force stranded, with the outer stranded electrode around flux-cored wire of stranded good ground floor as cored welding wire in the second layer non-rotary, in close being around in around the cored welding wire outer around flux-cored wire totally ten two volumes curl up around middle cored welding wire with same-handed lift angle α, identical tightening force F;
(6) straightening;
(7) rolling;
(8) branch 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.
Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents.
The manufacture method of described large-diameter self-protection multi-strand stranded welding wire; the pitch angle alpha will that it is characterized in that described step (2) depend on the center solid core welding wire with outward around the diameter of flux-cored wire and outside around the quantity of flux-cored wire; it is 6 around flux-cored wire outside; 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 °.
The manufacture method of described large-diameter self-protection multi-strand stranded welding wire; the pitch angle alpha will that it is characterized in that described step (2) depend on the center solid core welding wire with outward around the diameter of flux-cored wire and outside around the quantity of flux-cored wire; it is 6 around flux-cored wire outside; described center solid core welding wire is with outward when the flux-cored wire equal diameters, and described lead angle α is between 44 °~45 °.
The manufacture method of described large-diameter self-protection multi-strand stranded welding wire is characterized in that tightening force F in the described step (2) 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.
The manufacture method of described large-diameter self-protection multi-strand stranded welding wire, the diameter that it is characterized in that described center solid core welding wire are outer 1.05~1.1 times around the flux-cored wire diameter.
The manufacture method of described large-diameter self-protection multi-strand stranded welding wire is characterized in that the described straightening of step (3) is two-way destressing straightening, with stranded good welding wire repeatedly crooked by perpendicular to two vertical direction of welding wire axis, eliminates the residual stress of welding wire.
The advantage of invention is:
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 under certain tightening force condition with the stranded multi-strand stranded welding wire of minimum helical lift angle, stranded after destressing straightening, and can not scatter in the welding wire end in welding process.
For architectural feature and effect thereof to invention have further understanding, enumerate specific embodiment now and be described with reference to the accompanying drawings as follows.
Description of drawings
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 one.
Fig. 3 is the cross-sectional view of Fig. 1.
Fig. 4 is the production stage figure of embodiment one 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 two 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 two 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 may further comprise the steps:
(1) manufacturing is outer around flux-cored wire;
(2) be stranded in to have and carry out strandedly on the adjustable stranding machine of tightening force, 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, and with lead angle α, tightening force F, solid core welding wire curls up around the center;
(3) straightening;
(4) rolling;
(5) branch 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 outer around flux-cored wire and two-layer 18 be that example is described in detail around flux-cored wire, more multi-layered outer winding method around flux-cored wire can by outside two-layer around the method release of flux-cored wire.
Embodiment one
As Fig. 2, shown in Figure 3; the large-diameter self-protection multi-strand stranded welding wire of the manufacture method manufacturing of the embodiment of the invention one is to be reached outside 6 that closely curl up on described center solid core welding wire 1 by a center solid core welding wire 1 to be constituted 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, 1.0mm, 1.2mm.
Fig. 4 is the production stage of manufacture method of the large-diameter self-protection multi-strand stranded welding wire of present embodiment, comprising:
(1) manufacturing is outer around flux-cored wire, manufacture method manufacturing routinely;
(2) be stranded in and carry out strandedly on the adjustable stranding machine of tightening force, 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, and with lead angle α, tightening force F, solid core welding wire curls up around the center;
(3) straightening;
(4) rolling;
(5) branch dish, packing.
Embodiment two
As Fig. 5, shown in Figure 6 be the large-diameter self-protection multi-strand stranded welding wire of the manufacture method manufacturing of the embodiment of the invention two be by a center solid core welding wire 1 and closely curl up in as described on the center solid core welding wire 1 two-layer totally 18 constituted described center solid core welding wire 1 and being around the diameter of flux-cored wire 2 outward outward around flux-cored wire 2: 0.8mm, 1.0mm, 1.2mm.
Fig. 7 is the production stage figure of embodiment two of the manufacture method of large-diameter self-protection multi-strand stranded welding wire of the present invention.Be around in outer around the solid core welding wire of center for the ground floor of double-deck stranded electrode is close around flux-cored wire totally six volumes; Coiling is after straightening, rolling; Again on the adjustable stranding machine of tightening force around the second layer, with the outer stranded electrode around flux-cored wire of stranded good ground floor as in cored welding wire do not rotate, in close being around in around the cored welding wire outer around flux-cored wire totally ten two volumes curl up around middle cored welding wire with same-handed lift angle α, identical tightening force F.
Concrete steps are as follows:
(1) manufacturing is outer around flux-cored wire, manufacture method manufacturing routinely;
(2) ground floor is stranded in to have and carries out strandedly on the adjustable stranding machine of tightening force, 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, and with lead angle α, tightening force F, solid core welding wire curls up around the center;
(3) straightening;
(4) rolling;
(5) second layer be stranded in carry out on the adjustable stranding machine of tightening force stranded, with the outer stranded electrode around flux-cored wire of stranded good ground floor as in cored welding wire do not rotate, totally ten two volumes are with same-handed lift angle α, identical tightening force F around flux-cored wire for outer in close being around in around the cored welding wire, and solid core welding wire curls up around the center;
(6) straightening;
(7) rolling;
(8) branch dish, packing.
Among the foregoing description one and the embodiment two:
The pitch angle alpha will of described step (2) depend on the center solid core welding wire with outward around the diameter of flux-cored wire and outside around the quantity of flux-cored wire, it is 6 around flux-cored wire outside, 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 °.
The pitch angle alpha will of described step (2) depend on the center solid core welding wire with outward around the diameter of flux-cored wire and outside around the quantity of flux-cored wire, it is 6 around flux-cored wire outside, described center solid core welding wire is with outward when the flux-cored wire equal diameters, and described lead angle α should be between 44 °~45 °.
Tightening force F in the described step (2) 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.
The diameter of described center solid core welding wire is outer 1.05~1.1 times around the flux-cored wire diameter.The diameter of center solid core welding wire can avoid twining not tight problem slightly greatly.
The described straightening of step (3) is two-way destressing straightening, and stranded good welding wire by the repeatedly bending perpendicular to two vertical direction of welding wire axis, is eliminated the residual stress of welding wire.

Claims (8)

1. the manufacture method of large-diameter self-protection multi-strand stranded welding wire is characterized in that may further comprise the steps:
(1) manufacturing is outer around flux-cored wire;
(2) be stranded in and carry out strandedly on the adjustable stranding machine of tightening force, the center solid core welding wire does not rotate, close be around in outer around the solid core welding wire of center around flux-cored wire with lead angle α, tightening force F, solid core welding wire curls up around the center;
(3) straightening;
(4) rolling;
(5) branch dish, packing.
2. the manufacture method of a large-diameter self-protection multi-strand stranded welding wire is characterized in that may further comprise the steps:
(1) manufacturing is outer around flux-cored wire;
(2) be stranded in and carry out strandedly on the adjustable stranding machine of tightening force, 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, and with lead angle α, tightening force F, solid core welding wire curls up around the center;
(3) straightening;
(4) rolling;
(5) branch dish, packing.
3. the manufacture method of a large-diameter self-protection multi-strand stranded welding wire is characterized in that may further comprise the steps:
(1) manufacturing is outer around flux-cored wire;
(2) ground floor is stranded in and carries out strandedly on the adjustable stranding machine of tightening force, 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, and with lead angle α, tightening force F, solid core welding wire curls up around the center;
(3) straightening;
(4) rolling;
(5) second layer be stranded in carry out on the adjustable stranding machine of tightening force stranded, with the outer stranded electrode around flux-cored wire of stranded good ground floor as cored welding wire in the second layer non-rotary, in close being around in around the cored welding wire outer around flux-cored wire totally ten two volumes curl up around middle cored welding wire with same-handed lift angle α, identical tightening force F;
(6) straightening;
(7) rolling;
(8) branch dish, packing.
4. according to the manufacture method of any described large-diameter self-protection multi-strand stranded welding wire in the claim 1,2,3; the pitch angle alpha will that it is characterized in that described step (2) depend on the center solid core welding wire with outward around the diameter of flux-cored wire and outside around the quantity of flux-cored wire; it is 6 around flux-cored wire outside; described center solid core welding wire is with outward when the flux-cored wire equal diameters, and described lead angle α should be between 44 °~60 °.
5. according to the manufacture method of any described large-diameter self-protection multi-strand stranded welding wire in the claim 1,2,3; the pitch angle alpha will that it is characterized in that described step (2) depend on the center solid core welding wire with outward around the diameter of flux-cored wire and outside around the quantity of flux-cored wire; it is 6 around flux-cored wire outside; described center solid core welding wire is with outward when the flux-cored wire equal diameters, and described lead angle α should be between 44 °~45 °.
6. according to the manufacture method of any described large-diameter self-protection multi-strand stranded welding wire in the claim 1,2,3, it is characterized in that tightening force F in the described step (2) is with described outer relevant around the diameter d of flux-cored wire, 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.
7. the manufacture method of large-diameter self-protection multi-strand stranded welding wire according to claim 2, the diameter that it is characterized in that described center solid core welding wire is for outward around 1.05~1.1 times of flux-cored wire diameter.
8. according to the manufacture method of any described large-diameter self-protection multi-strand stranded welding wire in the claim 1,2,3; it is characterized in that the described straightening of step (3) is two-way destressing straightening; stranded good welding wire by the repeatedly bending perpendicular to two vertical direction of welding wire axis, is eliminated the residual stress of welding wire.
CN2010102333256A 2010-07-22 2010-07-22 Manufacture method of large-diameter self-protection multi-strand stranded welding wire Active CN101898287B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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
CN105665955A (en) * 2016-03-01 2016-06-15 时山奇 Cable type 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

Citations (5)

* Cited by examiner, † Cited by third party
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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
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

Cited By (5)

* Cited by examiner, † Cited by third party
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
CN105665955A (en) * 2016-03-01 2016-06-15 时山奇 Cable type welding wire
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

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