CN105904117A - Forged stranded welding wire - Google Patents

Forged stranded welding wire Download PDF

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Publication number
CN105904117A
CN105904117A CN201610412976.9A CN201610412976A CN105904117A CN 105904117 A CN105904117 A CN 105904117A CN 201610412976 A CN201610412976 A CN 201610412976A CN 105904117 A CN105904117 A CN 105904117A
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CN
China
Prior art keywords
welding wire
wire
welding
strand
forging
Prior art date
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.)
Pending
Application number
CN201610412976.9A
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Chinese (zh)
Inventor
梁裕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Lian Jie Welding Technology Co., Ltd.
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梁裕
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Filing date
Publication date
Application filed by 梁裕 filed Critical 梁裕
Priority to CN201610412976.9A priority Critical patent/CN105904117A/en
Publication of CN105904117A publication Critical patent/CN105904117A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0255Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
    • B23K35/0261Rods, electrodes, wires
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/40Making wire or rods for soldering or welding

Abstract

The invention relates to a forged stranded welding wire, and belongs to the technical field of welding. The forged stranded welding wire comprises a central wire (1), and an outer encircling wire (2) which is spirally stranded on the central wire (1), wherein a cylinder surface is formed on the outer surface of the forged stranded welding wire. According to the forged stranded welding wire, a cable shaped stranded welding wire remains the original advantages and is subjected to surface forging to form the cylinder surface on the welding wire surface, so that the electric conductivity and frictional force between the stranded welding wire and a contact tube can be improved.

Description

One forges strand welding wire
Technical field
The present invention relates to a kind of welding wire, be specifically related to one and forge strand welding wire, belong to welding technology field.
Background technology
Solder technology, as a kind of important material processing technique, is widely used in the industries such as machine-building, petrochemical industry, boats and ships, bridge, Aero-Space.Welding material mainly includes welding rod, welding wire, welding, solder flux, solder etc., and along with China's Automation of Welding level improves constantly, the welding wire consumption adapting to automatic welding quickly increases.The welding productivity improving metal arc welding is the importance promoting solder technology development, and improving welding deposition rate is the important measures improving welding production power.The size of gage of wire is the key factor of welding deposition rate.Require that there is certain flexibility and rigidity as welding wire, in order to coiling disc forming, the welding wire straightening with certain crooked radian being in use wound on wire reel, there is certain rigidity, in order to be sent to molten bath accurately.Traditional gage of wire is less, is not easy to the welding of band large-scale metal component, but excessive gage of wire has a strong impact on the flexibility of welding wire, will be unable to into dish, even if one-tenth dish, during being in use difficult to straightening, and use, energy consumption is excessive, and this is unfavorable for production and processing.
The patent of invention of Application No. 200920045272.8 discloses a kind of multi-strand stranded welding wire, and it includes that solid core welding wire and flux-cored wire, a root wire are positioned at centre, referred to as core wire;Remaining welding wire is stranded around middle core wire, is referred to as peripheral silk.This stranded electrode has the advantage that
1, not changing the constituent structure of original welding material, production process is the machining of stranded manufacture, and environment does not cause any pollution;
2, welding arc belongs to continuous rotary arc, molten bath realizes stirring in real time, molten bath is uniform, the many electric arc of molten drop fine grained is excessive, Weld Performance quality increases substantially, each root wire fusing moment splashes and is brought into the welding process formed in molten bath almost without splashing by rotating the arc, the workload of road polishing operation after a large amount of minimizings, welding process smog is greatly reduced;
3, required energy consumption is low, and under equal welding conditions, gage of wire can significantly increase slightly, be different from energy consumption after existing filament diameter strengthens increase and coiling property in practical operation, can wire feeding property be poor, be difficult to normal weld;
4, the structure of each monofilament, quantity and diameter collocation are changed with tradition welding wire than requirement according to different process under equal energy consumption condition, easily realize having that deposition efficiency is high, heat input is relatively low, welding penetration is big, low dilution rate, operation the simplest, it is especially suitable for big specification, the welding of high filling, at high speed deposition, fundamentally overturns traditional welding procedure;
5, material composition easily regulates and controls, stranding process multifibres changes a certain monofilament composition therein as required or by stranded any flux-cored wire of entering, composition required for meeting technique by the medicated powder formula of flux-cored wire can be easily achievable technological requirement, need to be completed by melting if desired for changing composition compared with monofilament, simplify the cost savings of operating process and wholesale, especially require to provide subversiveness measure convenient to operate for solution special process.
Although above-mentioned multi-strand stranded welding wire can solve the problem that tradition gage of wire is big not, diameter is difficult to the problems such as coiling, outspoken nature is poor, energy consumption is high, deposition rate is low, welding quality is uneven when increasing, but itself yet suffers from following shortcoming:
1, electric conductivity
Cable shape form longitudinally presents dotted line, welding process contacts with ignition tip as Multi-contact, electric conductivity is caused to be difficult to keep seriality, easily causing current interruption phenomenon, between the too high rear welding wire of operating process heat and ignition tip, space change causes bad being easier to of conduction to cause short circuit formation welding wire viscous dead in ignition tip inside or gooseneck in advance and plug wire;
2, frictional force
Owing to formalness is cable shape, longitudinally running with the friction between ignition tip just as file, the equipment auxiliary degree of injury with strand welding wire traffic direction CONTACT WITH FRICTION is made during wire feed to steeply rise, consumable accessory use cost rolls up, and cable shape form is poor with conventional support equipment and auxiliary compatibility, improvement difficulty is big, and need to putting into repetition fund, again to open up NPD projects supporting;
3, welding process gas shield performance
Helical groove due to surface, welding gun and wire-feed motor junction, strand welding wire protective gas after wire-feed motor enters welding gun reversely spills wire-feed motor outlet mouth along strand welding wire helical groove, the ignition tip end gas shield causing welding gun cannot play sufficient gas shield effect, weld seam easily produces pore, additionally, protective gas work process is and then welding wire is sent together, owing to the quick wire feed of strand welding wire is to form helical airflow, protective gas also becomes to rotate state when protection set ejection, face of weld is easily caused to protect the quality of not overall effect weld seam, and allow protective gas run off in a large number to cause waste;
4, surface manufacture process control difficulty
Cable shape strand welding wire stranding process requires higher for smooth fineness and the string diameter of every monofilament surface, the most stranded welding wire completed is it is difficult to ensure that the required precision of quality of finished, and the easy residual impurity of groove part, slag inclusion between each monofilament is difficult to clean out in a pipeline, causes and affects weldquality in later stage welding process;
5, welding process molten bath controls difficulty
Welding process is along with the increase electric arc spin even faster of wire feed rate, easily cause more greatly electric arc plus the stranded not tight rotary arc amplitude of welding wire not concentrate, welding pool cannot advance toward fusion penetration direction, a large amount of deposited metals are toward molten cross direction extension, cause meaningless waste, and be difficulty with normal welding effect requirement;
6, the impact on the process of use of the coiling gap is manufactured
Cable shape strand wire reel is wound in finished product wire reel, owing to the gap of helical groove, the coiling weight in equal space and length will reduce, causes packing cost to increase, and use process changes dish frequency to be increased, and residual loss is consequently increased, and use cost increases;
7, the impact of internal memory stress
Monofilament due to deformation, causes the stranded strand welding wire completed to there is bigger stress, is coiled in overtension in wire tray in stranding process, easily dissipates dish, the packaging of manufacture and use process, rewind, coils, dismounts with wire tray that to change difficulty bigger;
8, the string diameter after stranded controls error precision
The diameter of cable shape strand welding wire has with the gap between every monofilament and connected monofilament and definitely associates, after adding stranded completing due to stress act on deposit during it also occur that deformation, so the string diameter trueness error of cable shape strand welding wire controls extremely difficult;
9, welding wire manufacturing process and the control of production cost
Owing to the overall quality of cable shape strand welding wire depends on the control of every monofilament manufacture process, must repeat to set up control flow from monofilament to strand process, it is impossible to simplify the manufacturing step in each flow process, so manpower and materials put into bigger relatively.
Summary of the invention
The technical problem to be solved is to provide one to forge strand welding wire for above-mentioned prior art, it carries out surface forging on the basis of keeping the cable shape original advantage of strand welding wire, make welding wire surface form face of cylinder form, improve the electric conductivity between strand welding wire and ignition tip and frictional force etc..
The present invention solves the technical scheme that the problems referred to above are used: one forges strand welding wire, and it includes central hair and peripheral silk, and described peripheral silk spiral is stranded on central hair, described in forge the outer surface of strand welding wire and form a face of cylinder.
The described face of cylinder forging strand welding wire outer surface is formed by the way of surface forging.
The mode of described surface forging uses the formula of swaging, roller or drawing type.
Described peripheral silk is at least one.
Described central hair is identical with the diameter of peripheral silk.
The diameter of described central hair and peripheral silk differs.
The diameter of described central hair is more than the diameter of peripheral silk.
Described peripheral filament diameter is 0.3 ~ 1.0 with central hair diameter ratio.
Described central hair uses solid core welding wire or flux-cored wire.
Described peripheral silk uses solid core welding wire, flux-cored wire or solid core welding wire to mix with flux-cored wire.
Compared with prior art, it is an advantage of the current invention that:
1, electric conductivity
On the basis of keeping the cable shape all advantages of strand welding wire, carry out surface forging, welding wire surface is made to form face of cylinder form, it is longitudinal solid line with the contact surface of ignition tip, formalness and use configuration custom with traditional monofilament are essentially the same, add again the strand welding wire good characteristics that monofilament does not possesses simultaneously;
2, frictional force
Strand welding wire after surface forging, internal structure keeps the feature of strand welding wire own, outside original helical groove part is through swaging deformation, filling and leading up groove makes formalness be cylinder planar, surface is flat smooth as conventional monofilament, considerably reduce the frictional force between welding wire and electric installation, improve the service life of each auxiliary in wire feed path, and high with the versatility of traditional welding equipment and auxiliary;
3, welding process gas shield performance
The strand welding wire surface form flat smooth as conventional monofilament forged, the conveying of welding process gas and protection ratio are more complete, and the Welding Problems that there is not new life occurs;
4, surface manufacture process control difficulty
It is to carry out again forging processing after cable shape strand completes owing to forging strand welding wire, process is forged by altofrequency and high intensity, molding is forged under the requirement of integral diameter, requiring the diameter of a certain monofilament and configuration of surface to repair by forging process secondary, slag inclusion monofilament displacement during forging and impact endurance test shock easily keep good cleaning;
5, welding process molten bath controls difficulty
Strand wire welding termination process after forging control rotating the arc in the range of gage of wire circular arc, make electric arc high concentration, both having maintained the advantage such as rotating the arc melting bath stirring needed for the welding of strand welding wire, controlling fusion penetration the most very well melts wide requirement, easily realizes perfect welding process;
6, the impact on the process of use of the coiling gap is manufactured
Strand welding wire after forging, in cable shape diameter extrusion packing to helical groove, solves the defect of cable shape strand welding wire manufacture process under keeping strand welding wire characteristic;
7, the impact of internal memory stress
Strand welding wire after forging, internal stress substantially eliminates, basically identical with conventional monofilament from the process being fabricated onto use;
8, the string diameter after stranded controls error precision
Forge the trueness error of strand welding wire to control a step and be easier to realize by forging footpath mould in the fabrication process, and the altofrequency and high intensity by manufacture process forges, the least string diameter deformation having substantially no effect on during depositing of residual stress;
9, welding wire manufacturing process and the control of production cost
Forging strand welding wire quality control and concentrate on the final step forged, enormously simplify production procedure, require to reduce to monofilament drawing process, the monofilament lay pitch each to strand process and string diameter require to reduce, and significantly improving production efficiency saves manufacturing cost.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation forging strand welding wire embodiment 1 of the present invention.
Fig. 2 is a kind of schematic perspective view forging strand welding wire embodiment 1 of the present invention.
Fig. 3 is a kind of structural representation forging strand welding wire embodiment 2 of the present invention.
Fig. 4 is a kind of schematic perspective view forging strand welding wire embodiment 2 of the present invention.
Fig. 5 is a kind of structural representation forging strand welding wire embodiment 3 of the present invention.
Fig. 6 is a kind of schematic perspective view forging strand welding wire embodiment 3 of the present invention.
Fig. 7 is a kind of structural representation forging strand welding wire embodiment 4 of the present invention.
Fig. 8 is a kind of schematic perspective view forging strand welding wire embodiment 4 of the present invention.
Wherein:
Central hair 1
Peripheral silk 2.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment 1:
As shown in Figure 1 and Figure 2, the one in the present embodiment forges strand welding wire, and it includes central hair 1 and peripheral silk 2, and described peripheral silk 2 spiral is stranded on central hair 1, described in forge the outer surface of strand welding wire and form a face of cylinder;
The described face of cylinder forging strand welding wire outer surface is formed by the way of surface forging;
The mode of described surface forging uses the formula of swaging, roller or drawing type;
Described peripheral silk 2 at least one, in the present embodiment, peripheral silk 2 is preferably 10;
Described central hair 1 can identical can also differ with the diameter of peripheral silk 2, is preferably the diameter diameter more than peripheral silk 2 of central hair 1 in this enforcement, and more preferably peripheral silk 2 diameter is 0.3 ~ 1.0 with central hair 1 diameter ratio;
Described central hair 1 uses solid core welding wire, described peripheral silk 2 to use solid core welding wire;
Embodiment 2:
As shown in Figure 3, Figure 4, the present embodiment is with the difference of embodiment 1: central hair 1 uses flux-cored wire, peripheral silk 2 to use solid core welding wire;
Embodiment 3:
As shown in Figure 5, Figure 6, the present embodiment is with the difference of embodiment 1: central hair 1 uses solid core welding wire, peripheral silk 2 to use flux-cored wire;
Embodiment 4:
As shown in Figure 7, Figure 8, the present embodiment is with the difference of embodiment 1: central hair 1 uses flux-cored wire, peripheral silk 2 to use flux-cored wire.
In addition to the implementation, present invention additionally comprises the technical scheme that other embodiments, all employing equivalents or equivalence substitute mode are formed, all should fall within the scope of the hereto appended claims.

Claims (10)

1. one kind forges strand welding wire, it is characterised in that: it includes central hair (1) and peripheral silk (2), and described peripheral silk (2) spiral is stranded on central hair (1), described in forge the outer surface of strand welding wire and form a face of cylinder.
One the most according to claim 1 forges strand welding wire, it is characterised in that the face of cylinder forging strand welding wire outer surface described in: is formed by the way of surface forging.
One the most according to claim 2 forges strand welding wire, it is characterised in that: the mode of described surface forging uses the formula of swaging, roller or drawing type.
One the most according to claim 1 forges strand welding wire, it is characterised in that: described peripheral silk (2) at least.
One the most according to claim 1 forges strand welding wire, it is characterised in that: described central hair (1) is identical with the diameter of peripheral silk (2).
One the most according to claim 1 forges strand welding wire, it is characterised in that: the diameter of described central hair (1) and peripheral silk (2) differs.
One the most according to claim 6 forges strand welding wire, it is characterised in that: the diameter of described central hair (1) is more than the diameter of peripheral silk (2).
One the most according to claim 7 forges strand welding wire, it is characterised in that: described peripheral silk (2) diameter is 0.3 ~ 1.0 with central hair (1) diameter ratio.
One the most according to claim 1 forges strand welding wire, it is characterised in that: described central hair (1) uses solid core welding wire or flux-cored wire.
One the most according to claim 1 forges strand welding wire, it is characterised in that: described peripheral silk (2) uses solid core welding wire, flux-cored wire or solid core welding wire to mix with flux-cored wire.
CN201610412976.9A 2016-06-13 2016-06-13 Forged stranded welding wire Pending CN105904117A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106475684A (en) * 2016-12-19 2017-03-08 中国矿业大学 A kind of laser electrical arc complex welding method reducing Welded pore
WO2018103085A1 (en) * 2016-12-09 2018-06-14 机械科学研究总院青岛分院有限公司 Cable welding wire for use in cmt welding system, and cmt welding system
CN109807490A (en) * 2019-04-02 2019-05-28 江苏联捷焊业科技有限公司 Special-shaped welding wire, multi-strand stranded welding wire and preparation method, preparation twisting adjuster

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2683207A (en) * 1951-07-21 1954-07-06 John A Roebling S Sons Corp Stranded welding rod
US2697771A (en) * 1951-05-24 1954-12-21 Air Reduction Weld rod and method of making
GB1333048A (en) * 1969-11-28 1973-10-10 Murex Welding Processes Ltd Consumable arc-welding electrodes and a method for their pro duction
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
CN101885118A (en) * 2010-07-22 2010-11-17 徐州华星焊材有限公司 Manufacturing method of large-diameter carbon-dioxide protecting multistrand twisting welding wire
CN104205251A (en) * 2012-03-05 2014-12-10 胡贝尔舒纳公司 Method for producing a stranded inner conductor for coaxial cable, and coaxial cable
CN104308387A (en) * 2014-10-08 2015-01-28 庆云昊天焊材科技有限公司 High-strength stranded welding wire
CN205817120U (en) * 2016-06-13 2016-12-21 梁裕 One forges strand welding wire

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697771A (en) * 1951-05-24 1954-12-21 Air Reduction Weld rod and method of making
US2683207A (en) * 1951-07-21 1954-07-06 John A Roebling S Sons Corp Stranded welding rod
GB1333048A (en) * 1969-11-28 1973-10-10 Murex Welding Processes Ltd Consumable arc-welding electrodes and a method for their pro duction
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
CN101885118A (en) * 2010-07-22 2010-11-17 徐州华星焊材有限公司 Manufacturing method of large-diameter carbon-dioxide protecting multistrand twisting welding wire
CN104205251A (en) * 2012-03-05 2014-12-10 胡贝尔舒纳公司 Method for producing a stranded inner conductor for coaxial cable, and coaxial cable
CN104308387A (en) * 2014-10-08 2015-01-28 庆云昊天焊材科技有限公司 High-strength stranded welding wire
CN205817120U (en) * 2016-06-13 2016-12-21 梁裕 One forges strand welding wire

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
中国机械工程学会塑形工程学会: "《锻压手册 第1卷 锻造》", 31 January 2008, 机械工业出版社 *
戴维斯 等: "《金属手册案头卷(上册)》", 31 January 2011, 机械工业出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018103085A1 (en) * 2016-12-09 2018-06-14 机械科学研究总院青岛分院有限公司 Cable welding wire for use in cmt welding system, and cmt welding system
CN106475684A (en) * 2016-12-19 2017-03-08 中国矿业大学 A kind of laser electrical arc complex welding method reducing Welded pore
CN109807490A (en) * 2019-04-02 2019-05-28 江苏联捷焊业科技有限公司 Special-shaped welding wire, multi-strand stranded welding wire and preparation method, preparation twisting adjuster

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Application publication date: 20160831