CN109317857A - Flat continuous welding wire of one kind and application thereof and preparation method - Google Patents
Flat continuous welding wire of one kind and application thereof and preparation method Download PDFInfo
- Publication number
- CN109317857A CN109317857A CN201811569275.1A CN201811569275A CN109317857A CN 109317857 A CN109317857 A CN 109317857A CN 201811569275 A CN201811569275 A CN 201811569275A CN 109317857 A CN109317857 A CN 109317857A
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- welding wire
- section
- flat
- continuous welding
- flat continuous
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
- B23K35/0261—Rods, electrodes, wires
- B23K35/0277—Rods, electrodes, wires of non-circular cross-section
-
- 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
Abstract
The present invention proposes a kind of flat continuous welding wire and application thereof and preparation method that can be used for the welding of rectangular energy spot, the welding wire section of the flat continuous welding wire is round rectangle section or oblate rectangular section, cross-sectional width range is 3mm-30mm, section thickness range is 0.3-1.0mm, wire types are solid welding wire or flux cored wire, welding wire form is continuous disk welding equipment silk, and can be realized automatic feeding.Traditional circular cross-section welding wire is designed as flat welding wire by the present invention, welding for rectangular energy spot, such as wide light spot laser welding, wide beam spot electronic welding, it can be good at the welding for being applicable in rectangular energy spot by certain size design, it solves the problems, such as that existing welding wire can not be suitable for rectangular energy spot and continuously weld, has expanded welding wire application field.
Description
Technical field
The present invention relates to welding wire fields, belong to technical field of welding materials, more particularly relate to a kind of for continuously welding
Flat continuous welding wire and application thereof and preparation method.
Background technique
Welding wire field provides according to ASME material standard and other welding standards, common welding wire shape have round welding wire,
Flat vertical bar welding wire, band-like welding wire.It is packed according to manner of packing by disk packing, vertical bar.Usual disk welding equipment silk is mainly used for
Semi- or fully automated welding, vertical bar shape welding wire are mainly used for manual welding, semi-automatic welding, and band disk welding equipment silk is mainly used for burying
Arc strip surfacing.
In existing welding wire standard circular discs dress gage of wire differed from φ 0.8- φ 6.4, common diameter have 0.8mm,
0.9mm,1.0mm,1.2mm,1.4mm,1.6mm,2.0mm,2.4mm,2.8mm,3.2mm,4.0mm,4.8mm,6.4mm；It is flat
The typical sizes of shape vertical bar welding wire are as follows: width 1.8-7.1mm, thickness 1.2-4.8mm, length 900mm；The typical case of flat welding
Having a size of thickness 0.5mm, width 40mm, 60mm, 90mm, 120mm.The welding wire of these above-mentioned types be suitable for conventional welding and
Built-up welding is used, but the continuous welding for rectangular energy spot, above-mentioned welding wire cannot be applicable in.
The invention is intended to design a kind of flat disk load to continue welding wire, continuous for rectangular energy spot is welded or cladding,
Such as rectangular light spot laser melting coating, welding or electron beam welding.
Summary of the invention
The present invention changes the planform of traditional welding wire, specifically for the continuous welding of rectangular energy spot, proposes a kind of flat
Flat-shaped continuous welding wire, to solve the problems, such as applicability that welding wire continuously welds rectangular energy spot, before there are wide popularization and application
Scape, the present invention propose the purposes scheme and preparation method of flat continuous welding wire simultaneously.
It is as follows that the present invention solves the technical solution that above-mentioned technical problem is taken:
The cross section of a kind of flat continuous welding wire, the flat continuous welding wire is flat rectangular section, and cross-sectional width is
3-100 times of section thickness.
Further flat continuous welding wire according to the present invention, wherein the flat rectangular section is fillet square
Tee section or oblate rectangular section, cross-sectional width are 10-80 times of section thickness, and further preferred cross-sectional width is that section is thick
10-30 times of degree.
Further flat continuous welding wire according to the present invention, wherein the flat rectangular section is fillet square
Tee section or oblate rectangular section, cross-sectional width 3mm-30mm, section thickness 0.3-1.0mm.
Further flat continuous welding wire according to the present invention, wherein the cross-sectional width is 5-25mm, into one
Step is preferably 8-20mm, and it is further preferably 0.5-0.6mm that the section thickness, which is 0.5-0.8mm,.
Further flat continuous welding wire according to the present invention, wherein the round rectangle section is there are four tools
The rectangular section of fillet, the radius of the fillet are equal to the 1/2 to 1/4 of section thickness, the corresponding center of arc angle of the fillet
It is 45 ° to 90 °.
Further flat continuous welding wire according to the present invention, wherein above and below the section of the oblate rectangular section
Edge is straight line, and section both sides of the edge are semi-circular arc, and the diameter of semi-circular arc is equal to section thickness.
Further flat continuous welding wire according to the present invention, wherein the flat continuous welding wire is solid flat
Flat-shaped continuous welding wire or the flat continuous welding wire of powder core；The cross section of the preferred continuous welding wire of solid flat shape is fillet square
Tee section or oblate rectangular section, the cross section of the flat continuous welding wire of powder core are oblate rectangular section.
Further flat continuous welding wire according to the present invention, wherein the flat continuous welding wire of the powder core includes
Crust and by crust coat powder core, the crust with a thickness of the 1/2 to 1/5 of powder core thickness.
A kind of purposes of flat continuous welding wire of the present invention, wherein the flat continuous welding wire is used for rectangular energy
The welding of spot, and the cross-sectional width of the flat continuous welding wire is 0.5-2.0mm smaller than the correspondence width of rectangular energy spot, it is described
The section thickness of flat continuous welding wire is 0.5-1.0mm smaller than the correspondence thickness of rectangular energy spot.
A kind of preparation method of flat continuous welding wire of the present invention, wherein when the flat continuous welding wire is solid
When flat continuous welding wire, preparation method includes the following steps:
Solder wire material is carried out drawing process by step (1), is drawn into the round welding wire with predetermined diameter, the circle welding wire
Diameter be less than the cross-sectional width of flat continuous welding wire, and the diameter of the round welding wire is greater than flat continuous welding wire
Section thickness；
Step (2) carries out roll-in to the round welding wire after drawing, and continues drawing while roll-in, obtains having pre- scale
Very little and cross sectional shape the continuous welding wire of solid flat shape；
When the flat continuous welding wire continuous welding wire flat for powder core, preparation method includes the following steps:
Step (1), the round welding wire that predetermined size will be rolled into after the crust filling powder core of certain size, the circle welding wire
Diameter is less than the cross-sectional width of flat continuous welding wire, and the diameter of the round welding wire is greater than cutting for flat continuous welding wire
Face thickness；
Step (2), will roll after round welding wire carry out drawing and roll-in shaping, and pass through mold limitation forming width and thickness
Degree, obtains having predetermined size and the flat continuous welding wire of the powder core of cross sectional shape.
Technical solution of the present invention has the advantage that compared with prior art
1), welding wire of the invention is suitable for the continuous welding of rectangular energy spot, such as laser welding or laser melting coating, avoids big straight
The heating of diameter circle welding wire energy spot is impermeable and heats non-uniform disadvantage to substrate；
2), flat welding wire of the invention fills form using continuous disk, is suitable for continuous welding；
3), present invention design welding wire form is a greatly extension to traditional welding wire form, the welding to rectangular energy spot, such as
Laser welding, laser melting coating have better technique applicability and can greatly improve welding wire in the application in laser welding field.
Detailed description of the invention
Attached drawing 1 is the cross-sectional view of the first preferred embodiment of the continuous welding wire of solid flat shape of the present invention；
Attached drawing 2 is the cross-sectional view of the second preferred embodiment of the continuous welding wire of solid flat shape of the present invention；
Attached drawing 3 is the cross-sectional view of the flat continuous welding wire of powder core of the present invention；
The meaning of each appended drawing reference is as follows in figure:
1- crust, 2- powder core.
Specific embodiment
Technical solution of the present invention is described in detail below in conjunction with attached drawing, so that those skilled in the art can be more
The protection scope for adding and being clearly understood from the solution of the present invention, but be not intended to limit the present invention.
Flat continuous welding wire proposed by the present invention is suitable for the continuous welding of the rectangular energies spots such as laser melting coating, preferably
Including the continuous welding wire of solid flat shape and the flat continuous welding wire of powder core.Wherein the material of the continuous welding wire of solid flat shape is current
The material of existing standard material or the special component customized according to demand in welding wire relevant criterion.Wherein powder core is flat continuous
Welding wire include crust 1 and by crust coat powder core 2, wherein 1 material of crust be carbon steel material or stainless steel material, crust 1
With a thickness of the 1/2 to 1/5 of powder core thickness, the material of powder core is preferably the powder mixture of metal-powder and non-metallic powder,
Wherein the weight content of non-metallic powder is less than 5%.The flat continuous welding wire of powder core is in use, skin material and powder core material are molten
Deposited metals component content after change is the material composition of final demand, and metal-powder and nonmetallic can be determined according to final demand
The composition ratio of powder.
The cross section of the continuous welding wire of solid flat shape of the present invention is preferably round rectangle section, and cross-sectional width is to cut
3-100 times of face thickness, preferably 10-80 times, 10-30 times, preferred cross-sectional width are 3mm-30mm, are further 5-
25mm, 8-20mm, section thickness 0.3-1.0mm are further preferably 0.5-0.8mm, 0.5-0.6mm, such as 1 institute of attached drawing
Show, four angles in round rectangle section are preferably formed as rounded structure, and the radius of rounded structure is preferably equal to section thickness
The 1/2 to 1/4 of degree, the corresponding center of arc angle of rounded structure are 45 ° to 90 °.
The cross section of the further preferred continuous welding wire of solid flat shape of the present invention also can be oblate rectangular section,
As shown in Fig. 2, cross-sectional width is 3-100 times of section thickness, preferably 10-80 times, 10-30 times, and preferred section is wide
Degree is 3mm-30mm, is further 5-25mm, 8-20mm, section thickness 0.3-1.0mm, is further preferably 0.5-
0.8mm, 0.5-0.6mm, section lower edges are straight line (corresponding welding wire upper and lower surfaces are plane), section two
Side edge is circular arc, and preferably (corresponding welding wire two sides are arc surface to semicircle, and preferred welding wire two sides are half
Disc), half circular diameter is equal to section thickness, and attached oblate rectangular cross section structure shown in Fig. 2 namely by a rectangle and is located at
The cross section structure that semicircle on the short side of rectangle two sides is constituted.
The cross section of the flat continuous welding wire of further preferred powder core of the present invention also can be above-mentioned oblate rectangle
Section, as described in attached drawing 3, including crust 1 and by crust coat powder core 2, crust 1 with a thickness of the 1/2 to 1/5 of powder core thickness
Thickness, the global sections width of the cross section of the flat continuous welding wire of powder core are 3-100 times of section thickness, preferably 10-
80 times, 10-30 times, preferred global sections width are 3mm-30mm, are further 5-25mm, 8-20mm, and global sections are thick
Degree is 0.3-1.0mm, is further preferably 0.5-0.8mm, 0.5-0.6mm, section lower edges are straight line (corresponding weldering
Silk upper and lower surfaces are plane), section both sides of the edge are circular arc, preferably semicircle (corresponding welding wire two sides
It is arc surface, preferred welding wire two sides are semi circular surface), half circular diameter is equal to section thickness.
Flat continuous welding wire of the present invention can be matched well with rectangular energy spot, preferred institute of the present invention
The cross-sectional width for the flat continuous welding wire stated 0.5-2.0mm small compared with rectangular energy spot width guarantees that rectangular energy spot can be right
Welding wire section forms complete covering, while the section thickness of 0.3-1.0mm can be good at enabling rectangular energy spot to welding wire
Enough heating are saturating；Flat welding wire of the present invention is continuous disk welding equipment silk, it is ensured that continuous welding or cladding use；Present invention weldering
Silk form can be solid welding wire or the flux cored wire for having crust to wrap up, it is ensured that butt welding silk weldability and composition adjustment operate
Property；The skin construction and package form of flat flux cored wire of the present invention are unrestricted, settable double wrapped or single layer
Package.These all have broad popularization and application prospect the present invention, are also all that frequent long-term innovation test of the invention is done
Innovation out is summarized.
The preparation method of the continuous welding wire of solid flat shape of the present invention includes:
(1) solder wire material is subjected to drawing process, is drawn into the round welding wire with predetermined diameter, the diameter of the circle welding wire
It is thick less than the section that the diameter of the cross-sectional width of flat continuous welding wire, and the round welding wire is greater than flat continuous welding wire
Degree；
(2) roll-in is carried out to the round welding wire after drawing, it is general only to carry out upper and lower surface when to be shaped to oblate rectangular section
Roll-in generally to carry out the roller of upper and lower both side surface and left and right sides surface simultaneously when round rectangle section to be shaped to
Pressure, and continue drawing while roll-in, it obtains with ideal dimensions (cross-sectional width 3mm-30mm, section thickness 0.3-
1.0mm) and the continuous welding wire of the solid flat shape in round rectangle section or oblate rectangular section.
(3) above-mentioned molding solid flat shape welding wire is passed through on parcel mechanism closely knit disk and wire tray.
The preparation method of the flat continuous welding wire of powder core of the present invention includes:
(1) the round welding wire for predetermined size will be rolled after the crust steel band filling powder core of certain size, the circle welding wire
Diameter is less than the cross-sectional width of flat continuous welding wire, and the diameter of the round welding wire is greater than cutting for flat continuous welding wire
Face thickness；
(2) the round welding wire after rolling carries out drawing and shaping, and while roll-in drawing, is limited by mold molding
Width and neat degree obtain cutting with ideal dimensions (cross-sectional width 3mm-30mm, section thickness 0.3-1.0mm) and oblate rectangle
The flat continuous welding wire of the powder core in face；
(3) by the above-mentioned molding flat sequential welding filament winding of powder core and wire tray, continuous welding wire is formed.
Below with reference to embodiment, technical solution of the present invention is described in further detail.
Embodiment 1
A kind of continuous welding wire in solid flat shape round rectangle section is present embodiments provided, structure is as shown in Fig. 1, prepares
Journey includes:
(1) certain material such as 316L material wire rod is used, drawing is carried out, pulls to the round welding wire of diameter 3.2mm；
(2) the round welding wire of the diameter 3.2mm obtained to drawing carries out roll-in, its roll-in is wide to section thickness 0.5mm, section
Degree is 12mm, and drawing is carried out while roll-in, and molding obtains flat continuous welding wire；
(3) the flat continuous welding wire of roll-forming is wound in the wire reel of diameter 300mm, avoids bending, being made can be used for
The flat continuous welding wire in round rectangle section of revolving body surface rectangular energy built-up welding.
Embodiment 2
A kind of flat continuous welding wire of powder core is present embodiments provided, cross section is attached oblate rectangular section shown in Fig. 3, packet
Containing crust 1 and powder core 2, according to different need that configuration welding wire can be carried out using different crust and medicine core, to meet difference
Performance requirement.Specific preparation process is as follows:
(1) carbon steel sheetmetal is used, mixed-powder is added, rolls into diameter 5.0mm circle flux cored wire；(2) by above-mentioned round powder
The round flux cored wire that core drawing welding wire is 4.0mm to diameter；
(2) the round flux cored wire of direct 4.0mm obtained above is subjected to roll-in, and carries out secondary drawing while roll-in
It pulls out, molding obtains the flat continuous welding wire of powder core；
(3) the flat continuous welding wire section thickness of powder core made from is 1.0mm, cross-sectional width 12mm；
(4) molding welding wire is wound in the wire reel of diameter 700mm, avoids bending, being made can be used for revolving body surface rectangle
The flat continuous welding wire of the powder core of energy built-up welding.
To sum up, the present invention changes the planform of traditional welding wire, specifically for the continuous welding of rectangular energy spot, proposes one
Kind is suitable for the continuous welding wire with flat section of rectangular energy spot, and section can be round rectangle section or or oblate rectangle
Section, cross-sectional width range are 3mm-30mm, and section thickness range is 0.3mm-1.0mm, can carry out continuously welding and be applicable in, solve
The applicability problem that welding wire continuously welds rectangular energy spot.
The above is only the preferred embodiment of the present invention is described, technical solution of the present invention is not limited to
This, those skilled in the art's made any known deformation on the basis of major technique design of the invention belongs to the present invention
Claimed technology scope, the specific protection scope of the present invention are subject to the record of claims.
Claims (10)
1. a kind of flat continuous welding wire, which is characterized in that the cross section of the flat continuous welding wire is cut for flat rectangle
Face, cross-sectional width are 3-100 times of section thickness.
2. flat continuous welding wire according to claim 1, which is characterized in that the flat rectangular section is fillet square
Tee section or oblate rectangular section, cross-sectional width are 10-80 times of section thickness, and further preferred cross-sectional width is that section is thick
10-30 times of degree.
3. flat continuous welding wire according to claim 1, which is characterized in that the flat rectangular section is fillet square
Tee section or oblate rectangular section, cross-sectional width 3mm-30mm, section thickness 0.3-1.0mm.
4. flat continuous welding wire according to claim 3, which is characterized in that the cross-sectional width is 5-25mm, into one
Step is preferably 8-20mm, and it is further preferably 0.5-0.6mm that the section thickness, which is 0.5-0.8mm,.
5. according to the described in any item flat continuous welding wires of claim 2-4, which is characterized in that the round rectangle section is
For tool there are four the rectangular section of fillet, the radius of the fillet is equal to the 1/2 to 1/4 of section thickness, the corresponding circle of the fillet
Arc central angle is 45 ° to 90 °.
6. according to the described in any item flat continuous welding wires of claim 2-4, which is characterized in that the oblate rectangular section
Section lower edges are straight line, and section both sides of the edge are semi-circular arc, and the diameter of semi-circular arc is equal to section thickness.
7. flat continuous welding wire according to claim 1-6, which is characterized in that the flat continuous welding wire
For the continuous welding wire of solid flat shape or the flat continuous welding wire of powder core；The cross section of the preferred continuous welding wire of solid flat shape
For round rectangle section or oblate rectangular section, the cross section of the flat continuous welding wire of powder core is oblate rectangular section.
8. flat continuous welding wire according to claim 7, which is characterized in that the flat continuous welding wire of powder core includes
Crust and by crust coat powder core, the crust with a thickness of the 1/2 to 1/5 of powder core thickness.
9. a kind of purposes of any one of claim 1-8 flat continuous welding wire, which is characterized in that described flat continuous
Welding wire is used for the welding of rectangular energy spot, and the cross-sectional width of the flat continuous welding wire is than the correspondence width of rectangular energy spot
The section thickness of small 0.5-2.0mm, the flat continuous welding wire are 0.5-1.0mm smaller than the correspondence thickness of rectangular energy spot.
10. a kind of preparation method of any one of claim 1-8 flat continuous welding wire, which is characterized in that when described flat
When flat-shaped continuous welding wire is solid flat shape continuous welding wire, preparation method includes the following steps:
Solder wire material is carried out drawing process by step (1), is drawn into the round welding wire with predetermined diameter, the circle welding wire
Diameter be less than the cross-sectional width of flat continuous welding wire, and the diameter of the round welding wire is greater than flat continuous welding wire
Section thickness；
Step (2) carries out roll-in to the round welding wire after drawing, and continues drawing while roll-in, obtains having pre- scale
Very little and cross sectional shape the continuous welding wire of solid flat shape；
When the flat continuous welding wire continuous welding wire flat for powder core, preparation method includes the following steps:
Step (1), the round welding wire that predetermined size will be rolled into after the crust filling powder core of certain size, the circle welding wire
Diameter is less than the cross-sectional width of flat continuous welding wire, and the diameter of the round welding wire is greater than cutting for flat continuous welding wire
Face thickness；
Step (2), will roll after round welding wire carry out drawing and roll-in shaping, and pass through mold limitation forming width and thickness
Degree, obtains having predetermined size and the flat continuous welding wire of the powder core of cross sectional shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569275.1A CN109317857A (en) | 2018-12-21 | 2018-12-21 | Flat continuous welding wire of one kind and application thereof and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569275.1A CN109317857A (en) | 2018-12-21 | 2018-12-21 | Flat continuous welding wire of one kind and application thereof and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109317857A true CN109317857A (en) | 2019-02-12 |
Family
ID=65256238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811569275.1A Withdrawn CN109317857A (en) | 2018-12-21 | 2018-12-21 | Flat continuous welding wire of one kind and application thereof and preparation method |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102898A (en) * | 2019-03-24 | 2019-08-09 | 北京工业大学 | A kind of compound molten welding method of laser scanning-TIG |
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