CN104759786A - Multi-core seamless flux-cored silver wire - Google Patents
Multi-core seamless flux-cored silver wire Download PDFInfo
- Publication number
- CN104759786A CN104759786A CN201510180792.XA CN201510180792A CN104759786A CN 104759786 A CN104759786 A CN 104759786A CN 201510180792 A CN201510180792 A CN 201510180792A CN 104759786 A CN104759786 A CN 104759786A
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- Prior art keywords
- silver
- seamless
- medicine core
- flux
- silver wire
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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
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3006—Ag as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/368—Selection of non-metallic compositions of core materials either alone or conjoint with selection of soldering or welding materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention discloses a multi-core seamless flux-cored silver wire which is composed of a silver brazing filler metal pipe and flux cores wrapped inside the silver brazing filler metal pipe. The flux cores are composed of flux and silver brazing filler metal cores, and each silver brazing filler metal core is composed of at least two strands of silver brazing filler metal wires. The silver brazing filler metal pipe and the silver brazing filler metal wires comprise, by mass, 21-56% of silver, 14-41% of copper, 13-36% of zinc, 0-5.6% of tin, 0-29% of cadmium and 0.05-0.5% of microelement. The flux is composed of borax, borate, an active agent and a paste forming agent, wherein the borax accounts for 13.5-18.5% by weight, and the flux accounts for 10.5-19.5% of the flux-cored silver wire. Compared with an existing product, the multi-core seamless flux-cored silver wire has the advantages that stiffness is good, the flux is not prone to leakage, the production efficiency is high, cost is low, and storage is easy; the multi-core seamless flux-cored silver wire is suitable for medium temperature brazing.
Description
Technical field
The invention belongs to field of welding material, be specifically related to a kind of multicore seamless medicine core silver wire.
Background technology
Flux-cored wire is a kind of novel welding material, compared with solid core welding wire, have that welding efficiency is high, constituent adjustment flexibly, energy-saving material-saving, solder flux consumption be few, pollute the advantages such as little, appearance of weld is attractive in appearance, is applicable to continuous automatic welding.
Silver solder fusing point is moderate, welding usability good, has good intensity, toughness, electric conductivity, thermal conductivity and corrosion resistance, is a most widely used class hard solder, particularly green cadmium-free silver brazing alloy, is the emphasis that domestic and international soldering industry was paid close attention in recent years.In general, before soldering, surface of the work to be welded often has layer oxide film, existing method for welding manually adds brazing flux to after workpiece heat, the method welding cost is high, efficiency is lower, not easily accurately control brazing flux consumption, often occur that brazing flux adds too much or non-uniform phenomenon, not only waste brazing flux in a large number, and postwelding surface of the work brazing flux residue is difficult to remove.
By using flux-cored wire, automatically, equably can add brazing flux, effectively reducing brazing flux consumption, but common are seam flux-cored wire in the market, solder surface brazing flux is residual not easily to be removed, and the easy moisture absorption of brazing flux, the storage time is short.Existing method for manufacturing flux-cored wire mainly contains that band rolls, powder filled out by hollow tubing, extruding billet is filled out powder and extruded three kinds.Easy to crack and leak powder at winding process without the O type pipe seam of seam in strip coil method for making; Latter two method is when packed weight changes, and the product containing unnecessary not enough packed weight can only make waste disposal.
Patent 201110435173.2 disclosed " silver-based flux-cored wire and manufacture method ", adopt seamless extrusion to fill with core manufacturing technique method and manufacture Ag-Cu-Zn seamless flux-cored wire, brazing filler metal melts temperature range is at 710 ~ 760 DEG C, and welding temperature is 760 ~ 800 DEG C, is mainly used in high temperature brazing.But for middle low temperature brazing, the welding wire of this patent manufacture cannot be suitable for, and have certain limitation.Meanwhile, the method single extruding billet limited mass, each billet can only be squeezed into single line base, there is welding wire, brazing flux breaks empty hidden danger.Therefore working (machining) efficiency is low, cannot realize continuous, High-efficient Production.
Summary of the invention
Object of the present invention provide for weak point existing in above-mentioned prior art just a kind of deflection better, can efficiently, the multicore seamless medicine core silver wire of automatic welding.
Object of the present invention realizes by following technique measures:
Multicore of the present invention is seamless, and medicine core silver wire comprises seamless silver solder pipe and is wrapped in the medicine core be made up of medicinal powder and at least two strands of silver solder silks in seamless silver solder pipe hollow posts chamber.
Medicinal powder described in the present invention accounts for 10.5 ~ 19.5% of welding wire percentage by weight.
The mass percent of each component of silver solder pipe of the present invention is as follows: the mass percent of each component of described silver solder pipe and silver solder silk is as follows: silver 21 ~ 56 %, copper 14 ~ 41 %, zinc 13 ~ 36 %, tin 0 ~ 5.6%, cadmium 0 ~ 29%, trace element 0.05 ~ 0.5%.
Described trace element takes from any one or two kinds in gallium, indium, cerium, antimony, lithium, yttrium or silicon.
The mass percent of each component of described medicinal powder is as follows: borax 13.5 ~ 18.5%, borate 68.0 ~ 70.0 %, activating agent 9.0 ~ 10.5 %, paste making agent 4.0 ~ 6.0 %.
Described activating agent is the mixture of lithium fluoride and potassium fluoride (or sodium fluoride), and wherein lithium fluoride accounts for 75 ~ 85 % of gross mass.
Described paste making agent is prefabricated into paste by calcirm-fluoride, zinc chloride mixing, and wherein calcirm-fluoride accounts for 70 ~ 90 % of gross mass.
The molten temperature region of seamless medicine core silver wire prepared by the present invention is 590 ~ 705 DEG C, and brazing temperature is 650 ~ 755 DEG C, can be used for middle temperature brazing field.
Beneficial effect of the present invention is as follows:
1, seamless welding wire of the present invention, medicine core is made up of two strands or multiply silver solder silk, and welding wire deflection is better, can draw more carefully, longer;
2, seamless welding wire of the present invention can be used for automatic welding, improves welding quality and efficiency;
3, seamless wire melting temperature of the present invention is low, can be used for the middle temperature brazing of the industry such as air-conditioning, refrigeration;
4, seamless welding wire of the present invention can be processed into ring-type, spring shape further, for the welding of sleeve pipe;
5, the silver solder pipe of the seamless welding wire of the present invention and silver solder core can be indefinite length, can increase substantially follow-up drawing tube reducing efficiency.
6, the present invention have that production efficiency is high, brazing flux loss less and be easy to the feature that stores, can be used for induction brazing and the gas brazing of Copper and its alloy, carbon steel, stainless steel etc.
Accompanying drawing explanation
Fig. 1 ~ Fig. 6 is respectively the schematic cross-section of the numerous embodiments of multicore of the present invention seamless medicine core silver wire.Sequence number in figure: 1 is silver solder pipe, and 2 is medicinal powder, and 3 is silver solder cores.
Detailed description of the invention
The present invention is further described below with reference to embodiment (accompanying drawing):
embodiment 1:
As shown in Figure 1, the multicore in the present embodiment is seamless, and medicine core silver wire comprises seamless silver solder pipe and is wrapped in the medicine core be made up of medicinal powder and two strands of silver solder silks in seamless silver solder pipe hollow posts chamber; Described silver solder pipe 1 is identical with the mass percent of each component of silver solder silk 3, is all that micro-antimony 0.1% forms by silver-colored 26.1 %, copper 29.7 %, zinc 25.8 %, tin 1.5 %, cadmium 16.8 %; Medicinal powder 2 filling rate is 15.2 %, and the mass percent of each component of described medicinal powder is as follows: borax 15.3 %, borate 69.3 %, activating agent 9.8%, paste making agent 5.6%; The wire melting temperature of processing is 602 ~ 696 DEG C.
embodiment 2:
As shown in Figure 2, the multicore in the present embodiment is seamless, and medicine core silver wire comprises seamless silver solder pipe and is wrapped in the medicine core be made up of medicinal powder and three strands of silver solder silks in seamless silver solder pipe hollow posts chamber; Described silver solder pipe 1 is identical with the mass percent of each component of silver solder silk 3, is all by silver-colored 32.8 %, copper 25.2%, zinc 20.5%, tin 2.8 %, cadmium 18.5 %, and micro-gallium 0.2% forms; Medicinal powder 2 filling rate is 15.9 %, and the mass percent of each component of described medicinal powder is as follows: borax 16.5%, borate 68.9 %, activating agent 10.3%, paste making agent 4.3%; The wire melting temperature of processing is 591 ~ 671 DEG C.
embodiment 3:
As shown in Figure 3, the multicore in the present embodiment is seamless, and medicine core silver wire comprises seamless silver solder pipe and is wrapped in the medicine core be made up of medicinal powder and four strands of silver solder silks in seamless silver solder pipe hollow posts chamber; Described silver solder pipe 1 is identical with the mass percent of each component of silver solder silk 3, is all by silver-colored 40.7 %, copper 22.1%, zinc 17.3%, tin 4.9 %, cadmium 14.8 %, and trace element is made up of indium 0.1%, gallium 0.1%; Medicinal powder 2 filling rate is 15.15%, and the mass percent of each component of described medicinal powder is as follows: borax 15.8%, borate 68.2%, activating agent 10.4 %, paste making agent 5.6%; The wire melting temperature of processing is 601 ~ 645 DEG C.
embodiment 4:
As shown in Figure 4, the multicore in the present embodiment is seamless, and medicine core silver wire comprises seamless silver solder pipe and is wrapped in the medicine core be made up of medicinal powder and five strands of silver solder silks in seamless silver solder pipe hollow posts chamber; Described silver solder pipe 1 is identical with the mass percent of each component of silver solder silk 3, is all by silver 45.5%, copper 26.1 %, zinc 19.4%, tin 0.5%, cadmium 18.45%, and micro-yttrium 0.05 % forms; Medicinal powder 2 filling rate is 15.3%, and the mass percent of each component of described medicinal powder is as follows: borax 16.1 %, borate 68.6%, activating agent 10.4%, paste making agent 4.9%; The wire melting temperature of processing is 628 ~ 685 DEG C.
embodiment 5:
As shown in Figure 5, the multicore in the present embodiment is seamless, and medicine core silver wire comprises seamless silver solder pipe and is wrapped in the medicine core be made up of medicinal powder and seven strands of silver solder silks in seamless silver solder pipe hollow posts chamber; Described silver solder pipe 1 is identical with the mass percent of each component of silver solder silk 3, is all by silver 39.5%, copper 16.05%, zinc 18.2%, tin 0.5 %, cadmium 25.7 %, and micro-antimony 0.05 % forms; Medicinal powder 2 filling rate is 15. 45%, and the mass percent of each component of described medicinal powder is as follows: borax 16.5 %, borate 69.6%, activating agent 9.6 %, paste making agent 4.3%; The wire melting temperature of processing is 594 ~ 621 DEG C.
embodiment 6:
As shown in Figure 6, the multicore in the present embodiment is seamless, and medicine core silver wire comprises seamless silver solder pipe and is wrapped in the medicine core be made up of medicinal powder and nine strands of silver solder silks in seamless silver solder pipe hollow posts chamber; Described silver solder pipe 1 is identical with the mass percent of each component of silver solder silk 3, is all by silver 49.5%, copper 15.8%, zinc 16.6%, tin 2.6 %, cadmium 15.45%, and micro-silicon 0.05 % forms; Medicinal powder 2 filling rate is 15.8%, and the mass percent of each component of described medicinal powder is as follows: borax 16.2 %, borate 69.2%, activating agent 9.8 %, paste making agent 4.8%; The wire melting temperature of processing is 598 ~ 638 DEG C.
Claims (8)
1. a multicore seamless medicine core silver wire, is characterized in that: it comprises seamless silver solder pipe and is wrapped in the medicine core be made up of medicinal powder and at least two strands of silver solder silks in seamless silver solder pipe hollow posts chamber.
2. multicore according to claim 1 seamless medicine core silver wire, is characterized in that: described medicinal powder accounts for 10.5 ~ 19.5% of welding wire percentage by weight.
3. multicore according to claim 1 seamless medicine core silver wire, is characterized in that: the mass percent of each component of described silver solder pipe and silver solder silk is as follows: silver 21 ~ 56 %, copper 14 ~ 41 %, zinc 13 ~ 36 %, tin 0 ~ 5.6%, cadmium 0 ~ 29%, trace element 0.05 ~ 0.5%.
4. multicore according to claim 3 seamless medicine core silver wire, is characterized in that: described trace element takes from any one or two kinds in gallium, indium, cerium, antimony, lithium, yttrium or silicon.
5. multicore according to claim 1 seamless medicine core silver wire, is characterized in that: the mass percent of each component of described medicinal powder is as follows: borax 13.5 ~ 18.5 %, borate 68.0 ~ 70.0 %, activating agent 9.0 ~ 10.5 %, paste making agent 4.0 ~ 6.0 %.
6. multicore according to claim 5 seamless medicine core silver wire, is characterized in that: described activating agent is the mixture of lithium fluoride and potassium fluoride or sodium fluoride, and wherein lithium fluoride accounts for 75 ~ 85 % of gross mass.
7. multicore according to claim 5 seamless medicine core silver wire, is characterized in that: described paste making agent is prefabricated into paste by calcirm-fluoride, zinc chloride mixing, and wherein calcirm-fluoride accounts for 70 ~ 90 % of gross mass.
8. multicore according to claim 1 seamless medicine core silver wire, is characterized in that: described seamless medicine core silver wire molten temperature region is 590 ~ 705 DEG C, and brazing temperature is 650 ~ 755 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510180792.XA CN104759786A (en) | 2015-04-17 | 2015-04-17 | Multi-core seamless flux-cored silver wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510180792.XA CN104759786A (en) | 2015-04-17 | 2015-04-17 | Multi-core seamless flux-cored silver wire |
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| CN104759786A true CN104759786A (en) | 2015-07-08 |
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| CN201510180792.XA Pending CN104759786A (en) | 2015-04-17 | 2015-04-17 | Multi-core seamless flux-cored silver wire |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127618A (en) * | 2015-09-08 | 2015-12-09 | 龙飞 | High-strength and high-toughness composite silver solder ring for in-situ synthesis of soldering flux |
| CN106346165A (en) * | 2016-08-30 | 2017-01-25 | 郑州机械研究所 | High-tin-content silver welding rod and manufacturing method thereof |
| CN106624427A (en) * | 2016-12-15 | 2017-05-10 | 金华市金钟焊接材料有限公司 | Low-melting-point and low-cadmium silver brazing filler metal with excellent wetting property |
| CN108032005A (en) * | 2018-01-23 | 2018-05-15 | 广东新科炬机械制造有限公司 | A kind of multicore soldering tin wire extruder |
| CN108326475A (en) * | 2018-02-07 | 2018-07-27 | 郑州机械研究所有限公司 | A kind of preparation method of coating silver solder ring |
| CN108406162A (en) * | 2018-02-07 | 2018-08-17 | 郑州机械研究所有限公司 | A kind of fabricated in situ metal coating coating silver brazing item and preparation method thereof |
| CN114952079A (en) * | 2022-06-28 | 2022-08-30 | 浙江亚通焊材有限公司 | Silver-reducing flux-cored wire |
-
2015
- 2015-04-17 CN CN201510180792.XA patent/CN104759786A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127618A (en) * | 2015-09-08 | 2015-12-09 | 龙飞 | High-strength and high-toughness composite silver solder ring for in-situ synthesis of soldering flux |
| CN106346165A (en) * | 2016-08-30 | 2017-01-25 | 郑州机械研究所 | High-tin-content silver welding rod and manufacturing method thereof |
| CN106346165B (en) * | 2016-08-30 | 2019-02-05 | 郑州机械研究所 | A kind of high tin silver solder and preparation method thereof |
| CN106624427A (en) * | 2016-12-15 | 2017-05-10 | 金华市金钟焊接材料有限公司 | Low-melting-point and low-cadmium silver brazing filler metal with excellent wetting property |
| CN108032005A (en) * | 2018-01-23 | 2018-05-15 | 广东新科炬机械制造有限公司 | A kind of multicore soldering tin wire extruder |
| CN108032005B (en) * | 2018-01-23 | 2024-04-30 | 广东新科炬机械制造有限公司 | Multicore soldering tin wire extruder |
| CN108326475A (en) * | 2018-02-07 | 2018-07-27 | 郑州机械研究所有限公司 | A kind of preparation method of coating silver solder ring |
| CN108406162A (en) * | 2018-02-07 | 2018-08-17 | 郑州机械研究所有限公司 | A kind of fabricated in situ metal coating coating silver brazing item and preparation method thereof |
| CN108406162B (en) * | 2018-02-07 | 2020-02-14 | 郑州机械研究所有限公司 | In-situ synthesized metal coating silver brazing strip and preparation method thereof |
| CN114952079A (en) * | 2022-06-28 | 2022-08-30 | 浙江亚通焊材有限公司 | Silver-reducing flux-cored wire |
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Application publication date: 20150708 |