CN105014259A - Seamless flux-cored wire and processing method thereof - Google Patents
Seamless flux-cored wire and processing method thereof Download PDFInfo
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- CN105014259A CN105014259A CN201510406488.2A CN201510406488A CN105014259A CN 105014259 A CN105014259 A CN 105014259A CN 201510406488 A CN201510406488 A CN 201510406488A CN 105014259 A CN105014259 A CN 105014259A
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- solder
- flux
- casting
- copper
- silver
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- 238000003672 processing method Methods 0.000 title claims abstract description 19
- 229910000679 solder Inorganic materials 0.000 claims abstract description 115
- 230000004907 flux Effects 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 37
- 238000003723 Smelting Methods 0.000 claims abstract description 19
- 238000005498 polishing Methods 0.000 claims abstract description 19
- 238000005520 cutting process Methods 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims abstract description 4
- 238000005266 casting Methods 0.000 claims description 72
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 48
- 229910052802 copper Inorganic materials 0.000 claims description 30
- 239000010949 copper Substances 0.000 claims description 30
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 24
- 239000011574 phosphorus Substances 0.000 claims description 24
- 229910052698 phosphorus Inorganic materials 0.000 claims description 24
- 238000001125 extrusion Methods 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 21
- 238000005219 brazing Methods 0.000 claims description 20
- 239000002893 slag Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 16
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 15
- 239000003818 cinder Substances 0.000 claims description 15
- 229910052709 silver Inorganic materials 0.000 claims description 15
- 239000004332 silver Substances 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000005553 drilling Methods 0.000 claims description 9
- 239000011796 hollow space material Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 239000010903 husk Substances 0.000 claims description 6
- 229910052738 indium Inorganic materials 0.000 claims description 6
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 239000011701 zinc Substances 0.000 claims description 6
- 241000973497 Siphonognathus argyrophanes Species 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007716 flux method Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 235000012054 meals Nutrition 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000005476 soldering Methods 0.000 abstract description 9
- 238000005253 cladding Methods 0.000 abstract 1
- 238000000748 compression moulding Methods 0.000 abstract 1
- 238000002203 pretreatment Methods 0.000 abstract 1
- 238000009736 wetting Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B23K35/302—Cu 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
- B23K35/02—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
- B23K35/0266—Rods, electrodes, wires flux-cored
-
- 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
- B23K35/40—Making wire or rods for soldering or welding
- B23K35/406—Filled tubular wire or rods
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to a flux-cored wire and a processing method thereof and particularly relates to a seamless flux-cored wire and a processing method thereof. The wire comprises an external tubular solder and a soldering flux in a filler solder. The pipe wall of the tubular solder is a seamless closed structure. The method comprises the steps of smelting, cutting polishing, compression molding, solder pre-treatment and filling and wire forming. The invention provides the seamless flux-cored wire and the processing method thereof, the flux-cored wire with the completely closed pipe wall is provided, a previous processing mode of roll cladding is substituted by a mode of filling the soldering flux, thus the tightness of filling can be adjusted according to needs by the ratio of the flux-cored wire, the soldering flux is completely isolated from the outside after completion, the problem of soldering flux spill or wetting is prevented, and the soldering quality is ensured.
Description
Technical field
The present invention relates to a kind of flux-cored wire and processing method thereof, especially a kind of seamless flux-cored wire and processing method thereof.
Background technology
Soldering is the one in numerous welding manner, has the advantages that distortion is little, joint is smooth, be applicable to precision welding.Its important principle adopts than the low-melting metal material of mother metal as solder, by weldment and solder heat to higher than solder fusing point, lower than the temperature of mother metal fusing point, liquid solder is utilized to soak mother metal, fill gap at joint and realize with the counterdiffusion of mother metal phase the method being connected weldment, when soldering owing to needing the oxide knowing solder and mother metal surface, and protect solder and weldment to be too oxidized in brazing process, improve the wetability of solder to mother metal, need when carrying out soldering to coordinate a certain amount of brazing flux to use, when traditional manual soldering, comparatively random in the use of solder and the proportioning of brazing flux, manual operations quality is unstable, brazing material, the waste of brazing flux is larger, automaticity is lower, artificial use cost is higher, efficiency is obviously low.In order to address this problem, occurred flux-cored wire on the market, solder is processed as hollow tubular by this type of flux-cored wire, is filled in solder by brazing flux, thus realizes stable proportioning.But this type of flux-cored wire is adding man-hour, usually solder is processed into band shape, then brazing flux being placed on the surface of solder band, and then inside for the solder of band shape convolution is formed tubulose, there is Railway Project in such process:
One, solder is contained in the solder of tubulose by the mode of winding, and this mode causes brazing flux in solder comparatively loose, and under the welding demand that brazing flux accounting is larger, the composition proportion of solder and brazing flux is difficult to reach instructions for use.
Two, welding wire can be processed as different states according to the difference of user demand after finalization of the manufacture, and in the process, cracking easily appears in the seam crossing that winding curls into blank pipe, unrestrained during from then on brazing flux easily cracks, and affects the proportioning of solder and brazing flux; Or humid air cracks thus and enters in pipe, thus makes brazing flux make moist, and affects its result of use, reduce welding quality.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art, provide a kind of can be good control solder and brazing flux composition proportion, avoid brazing flux to trickle down or the seamless flux-cored wire that makes moist and processing method thereof simultaneously.
To achieve these goals, ultra-fine seamless flux-cored wire of the present invention adopts following technical scheme:
This welding wire comprises the brazing flux in outside tubular solder and filler solder, and its improvement is: the closedown of described tubular solder is seamless closing structure; Described solder comprises the phosphorus of 7.3%-7.8%, and surplus is copper, forms copper base solder; Or comprising the phosphorus of 7.0%-7.8%, the silver of 1%-15%, surplus is copper, forms money base low-silver solder; Or comprise 18%-56%, zinc, the tin of 0-5.5%, nickel, 0-2% indium of 0-3.1% of 5%-38%, surplus is copper, forms money base height silver solder.
The processing method of a kind of seamless flux-cored wire of the present invention comprises the steps:
S1, smelting: phosphorus powder, cathode copper or phosphorus powder, silver and cathode copper are needed to carry out proportioning according to use, then heat to molten condition and inject mold, form casting rod, stand-by after cooling;
S2, cut polishing: by drill centers on cooled casting rod Special punching drilling machine, centre bore should be drilled in every root casting rod does not have serrated end, after accomplishing fluently centre bore, upper lathe chuck clamps, tail is sat center cone and be pushed into centre bore internal locking, start lathe, casting rod will cut some edges of a knife, then take off and broke vanning, proceed to throwing spray machine and carry out scarfing cinder polishing;
S3, extruded: the extrusion die by the heating of polished casting rod and after injection heating, becomes cylindrical or square hollow material by casting rod extrusion process;
S4, solder flux pretreatment: stand-by after being dried by solder flux, solder flux dewaters, and Muffle furnace is heated to 150 DEG C ~ 200 DEG C, insulation 20 ~ 30 clocks carry out baking process;
S5, solder flux are filled: adopted by solder flux method for oscillating to pour in hollow tube and seal stand-by loading by baked solder flux in the airtight funnel of vibratory sieve, hollow tube mouth is connected with vibratory sieve meal outlet, opens vibratory sieve, seals after powder being poured into tubing;
S6, welding wire are shaping: by the solder flux tubing of populated solder flux according to instructions for use drawing or be rolled into welding wire.
In said method, when copper smelting parent metal, be that cathode copper requires to carry out proportioning according to difference by the phosphorus powder of 7.3%-7.8%, surplus, first phosphorus powder loaded crucible knotting compacting by technological requirement, then cathode copper is loaded crucible, starting device thereupon, crucible hoisting is loaded intermediate frequency furnace, opens intermediate frequency furnace, treat material intensification fusing in stove, 950 DEG C ~ 1000 DEG C add husk and cover stirrings → alloy and melt completely → 950 DEG C of insulations, standing 2 minutes → melting down → scarfing cinder.Come out of the stove at 950 DEG C ~ 1000 DEG C.Copper liquid leaves standstill 1 minute again and injects water-cooled casting mould in crucible, it is cylindrical for watering mold endoporus, high 700mm, aperture is ∮ 50 ~ 54mm, when injecting mold, must be noted that pushing off the slag, the slag on crucible liquid level must not be made to inject in ingot casting, must not produce cutout phenomenon in casting cycle, treating that casting rod is cooled to less than 400 DEG C can die sinking.
In said method, when the low silver solder of smelting money base, be that cathode copper requires to carry out proportioning according to difference by the phosphorus powder of .0%-7.8%, 1%-15% silver and surplus, first phosphorus powder is loaded crucible knotting compacting by technological requirement, again silver, cathode copper are loaded crucible, starting device thereupon, crucible hoisting is loaded intermediate frequency furnace, open intermediate frequency furnace, treat material intensification fusing in stove, 950 DEG C ~ 1000 DEG C add husk and cover stirrings → alloy and melt completely → 950 DEG C of insulations, standing 2 minutes → melting down → scarfing cinder.Come out of the stove at 950 DEG C ~ 1000 DEG C.Copper liquid leaves standstill 1 minute again and injects water-cooled casting mould in crucible, it is cylindrical for watering mold endoporus, high 700mm, aperture is ∮ 50 ~ 54mm, when injecting mold, must be noted that pushing off the slag, the slag on crucible liquid level must not be made to inject in ingot casting, must not produce cutout phenomenon in casting cycle, treating that casting rod is cooled to less than 400 DEG C can die sinking.
In said method, when smelting money base height silver solder, by the silver of 18%-56%, the zinc of 15%-38%, the tin of 0-5.5%, the nickel of 0-3.1%, 0-2% indium, surplus is that copper requires to carry out proportioning according to difference, load crucible, starting device, crucible is loaded intermediate frequency furnace, open intermediate frequency furnace, add smelting agent after fine melt, be cooled to 950 DEG C ~ 980 DEG C, frequent stirring is needed in whole smelting process, before building, after molten metal should leave standstill 30 seconds, water-cooled casting mould can be injected, it is cylindrical for watering mold endoporus, high 700mm, aperture is ∮ 50 ~ 54mm, pushing off the slag is must be noted that during casting, prevent liquid level slag from injecting ingot casting, cutout phenomenon must not be produced in casting journey, treating that casting rod is cooled to less than 400 DEG C can die sinking.
In said method, when cutting polishing copper base solder or money base low-silver solder, the copper base solder smelted or money base low-silver solder casting rod are placed on drill centers on Special punching drilling machine, and centre bore should be drilled in every root casting rod does not have serrated end, and after accomplishing fluently centre bore, upper lathe chuck clamps, tail is sat center cone and be pushed into centre bore internal locking, start lathe, lathe speed is 900n/min, and feed is 2 grades, cut into the length of 85mm ~ 95mm, cut 3-4 millimeters deep at every turn.This cutter cutting-in of casting ladle mouth some, take off and broke vanning, proceed to and throw spray machine and carry out scarfing cinder polishing, the spindle vanning handled well is weighed stand-by.
In said method, when cutting polishing money base height silver solder, the money base height silver solder casting rod of having smelted is placed on drill centers on Special punching drilling machine, and centre bore should be drilled in every root casting rod does not have serrated end, after accomplishing fluently centre bore, upper lathe chuck clamps, tail is sat center cone and be pushed into centre bore internal locking, start lathe, lathe speed is 900n/min, feed is 4 grades, cut into the length of 70mm ~ 80mm, proceed to throwing spray machine and carry out scarfing cinder polishing, the spindle vanning handled well is weighed stand-by.
In said method, when extruded copper base solder or money base low-silver solder, to polished copper base solder be cut or intermediate-frequency heating furnace put into by money base low-silver solder spindle, be heated to 380 DEG C ~ 430 DEG C, be incubated 10 minutes, the dedicated extruded mould being heated to 500 DEG C ± 10 DEG C is put in taking-up, according to different string diameter requirements, choose special matrix and put into extrusion die, 315T hydraulic press pressure is adjusted between 21MPa ~ 12Mpa, start press, spindle extrusion process is become cylindrical or square hollow material
In said method, when extruded money base height silver solder, putting into intermediate-frequency heating furnace by cutting polished money base height silver solder spindle, being heated to 450 DEG C ~ 460 DEG C, being incubated 10 minutes, the dedicated extruded mould being heated to 530 DEG C ± 10 DEG C is put in taking-up, according to different string diameter requirements, choose special matrix and put into extrusion die, 315T hydraulic press pressure is adjusted between 19MPa ~ 12Mpa, start press, spindle extrusion process is become cylindrical or square hollow material.
Owing to have employed technique scheme, it is the flux-cored wire closed completely that a kind of seamless flux-cored wire of the present invention and processing method thereof provide a kind of tube wall, the coated processing mode of convolution is in the past replaced by the mode of filling brazing flux, thus make the proportioning of flux-cored wire can adjust the tight ness rating of filling as required, and solder flux and outside are completely isolated after completing, the problem that brazing flux is trickled down or made moist can not be produced, ensure that welding quality.
Accompanying drawing explanation
Fig. 1 is the first example structure schematic diagram of the embodiment of the present invention;
Fig. 2 is the second example structure schematic diagram of the embodiment of the present invention;
Fig. 3 is the process chart of the 3rd embodiment of the embodiment of the present invention.
Detailed description of the invention
As depicted in figs. 1 and 2, first embodiment of the invention and the second embodiment each provide the flux-cored wire of a kind of pipe and square tube, and comprise the brazing flux in outside tubular solder 1 and filler solder 1 respectively, the closedown of described tubular solder is seamless closing structure; Described solder comprises the phosphorus of 7.3%-7.8%, and surplus is copper, forms copper base solder; Or comprising the phosphorus of 7.0%-7.8%, the silver of 1%-15%, surplus is copper, forms money base low-silver solder; Or comprise 18%-56%, zinc, the tin of 0-5.5%, nickel, 0-2% indium of 0-3.1% of 5%-38%, surplus is copper, forms money base height silver solder.
The third embodiment of the present invention provides a kind of processing method of seamless flux-cored wire, as shown in Figure 3, comprises the steps:
S1, smelting: phosphorus powder, cathode copper or phosphorus powder, silver and cathode copper are needed to carry out proportioning according to use, then heat to molten condition and inject mold, form casting rod, stand-by after cooling;
S2, cut polishing: drill centers on the Special punching drilling machine cooled casting rod being placed on self manufacture processing convenient operation, centre bore should be drilled in every root casting rod does not have serrated end, after accomplishing fluently centre bore, upper lathe chuck clamps, tail is sat center cone and be pushed into centre bore internal locking, start lathe, casting rod will cut some edges of a knife, then take off and broke vanning, proceed to throwing spray machine and carry out scarfing cinder polishing;
S3, extruded: the extrusion die by the heating of polished casting rod and after injection heating, becomes cylindrical or square hollow material by casting rod extrusion process;
S4, solder flux pretreatment: stand-by after being dried by solder flux, solder flux dewaters, and Muffle furnace is heated to 150 DEG C ~ 200 DEG C, insulation 20 ~ 30 clocks carry out baking process;
S5, solder flux are filled: adopted by solder flux method for oscillating to pour in hollow tube and seal stand-by loading by baked solder flux in the airtight funnel of vibratory sieve, hollow tube mouth is connected with vibratory sieve meal outlet, opens vibratory sieve, seals after powder being poured into tubing;
S6, welding wire are shaping: by the solder flux tubing of populated solder flux according to instructions for use drawing or be rolled into welding wire.
In said method, when copper smelting parent metal, phosphorus powder (7.3%-7.8%) and cathode copper (surplus) are required to carry out proportioning according to difference, first phosphorus powder is loaded crucible knotting compacting by technological requirement, again cathode copper is loaded crucible, start electric hoist suspension switch thereupon, crucible hoisting is loaded intermediate frequency furnace, open intermediate frequency furnace, treat material intensification fusing in stove, 950 DEG C ~ 1000 DEG C add husk and cover stirrings → alloy and melt completely → 950 DEG C of insulations, standing 2 minutes → melting down → scarfing cinder.Come out of the stove at 950 DEG C ~ 1000 DEG C.Copper liquid leaves standstill 1 minute again and injects water-cooled casting mould in crucible, it is cylindrical for watering mold endoporus, high 700mm, aperture is ∮ 50 ~ 54mm, when injecting mold, must be noted that pushing off the slag, the slag on crucible liquid level must not be made to inject in ingot casting, must not produce cutout phenomenon in casting cycle, treating that casting rod is cooled to less than 400 DEG C can die sinking.
In said method, when the low silver solder of smelting money base, phosphorus powder (7.0%-7.8%), silver (1%-15%) and cathode copper (surplus) are required to carry out proportioning according to difference, first phosphorus powder is loaded crucible knotting compacting by technological requirement, again silver, cathode copper are loaded crucible, start electric hoist suspension switch thereupon, crucible hoisting loads intermediate frequency furnace, open intermediate frequency furnace, treat material intensification fusing in stove, 950 DEG C ~ 1000 DEG C add husk and cover stirrings → alloy and melt completely → 950 DEG C of insulations, standing 2 minutes → melting down → scarfing cinder.?
Come out of the stove for 950 DEG C ~ 1000 DEG C.Copper liquid leaves standstill 1 minute again and injects water-cooled casting mould in crucible, it is cylindrical for watering mold endoporus, high 700mm, aperture is ∮ 50 ~ 54mm, when injecting mold, must be noted that pushing off the slag, the slag on crucible liquid level must not be made to inject in ingot casting, must not produce cutout phenomenon in casting cycle, treating that casting rod is cooled to less than 400 DEG C can die sinking.
In said method, when smelting money base height silver solder, by silver (18%-56%), zinc (15%-38%), tin (0-5.5%), nickel (0-3.1%), indium (0-2%), copper (surplus) requires to carry out proportioning according to difference, load crucible, starting device, crucible is loaded intermediate frequency furnace, open intermediate frequency furnace, add smelting agent after fine melt, be cooled to 950 DEG C ~ 980 DEG C, frequent stirring is needed in whole smelting process, before building, after molten metal should leave standstill 30 seconds, water-cooled casting mould can be injected, it is cylindrical for watering mold endoporus, high 700mm, aperture is ∮ 50 ~ 54mm, pushing off the slag is must be noted that during casting, prevent liquid level slag from injecting ingot casting, cutout phenomenon must not be produced in casting journey, treating that casting rod is cooled to less than 400 DEG C can die sinking.
In said method, when cutting polishing copper base solder or money base low-silver solder, the copper base solder smelted or money base low-silver solder casting rod are placed on drill centers on Special punching drilling machine, and centre bore should be drilled in every root casting rod does not have serrated end, and after accomplishing fluently centre bore, upper lathe chuck clamps, tail is sat center cone and be pushed into centre bore internal locking, start lathe, lathe speed is 900n/min, and feed is 2 grades, cut into the length of 85mm ~ 95mm, cut 3-4 millimeters deep at every turn.This cutter cutting-in of casting ladle mouth some, take off and broke vanning, proceed to and throw spray machine and carry out scarfing cinder polishing, the spindle vanning handled well is weighed stand-by.
In said method, when cutting polishing money base height silver solder, the money base height silver solder casting rod of having smelted is placed on drill centers on Special punching drilling machine, and centre bore should be drilled in every root casting rod does not have serrated end, after accomplishing fluently centre bore, upper lathe chuck clamps, tail is sat center cone and be pushed into centre bore internal locking, start lathe, lathe speed is 900n/min, feed is 4 grades, cut into the length of 70mm ~ 80mm, proceed to throwing spray machine and carry out scarfing cinder polishing, the spindle vanning handled well is weighed stand-by.
In said method, when extruded copper base solder or money base low-silver solder, to polished copper base solder be cut or intermediate-frequency heating furnace (30kw) put into by money base low-silver solder spindle, be heated to 380 DEG C ~ 430 DEG C, be incubated 10 minutes, (the high-temperature resistance die Steel material being heated to 500 DEG C ± 10 DEG C is put in taking-up, rear conjunction is first divided by solder, designed, designed) extrusion die, according to different string diameter requirements, choose special (high-temperature resistance die Steel material, rear conjunction is first divided by solder, designed, designed) matrix puts into extrusion die, 315T hydraulic press pressure is adjusted between 21MPa ~ 12Mpa, start press, spindle extrusion process is become cylindrical or square hollow material.
In said method, when extruded money base height silver solder, intermediate-frequency heating furnace (30kw) is put into by cutting polished money base height silver solder spindle, be heated to 450 DEG C ~ 460 DEG C, be incubated 10 minutes, the dedicated extruded mould being heated to 530 DEG C ± 10 DEG C is put in taking-up, this extrusion die adopts high-temperature resistance die Steel material to make, rear conjunction is first divided by solder, extrusion die, according to different string diameter requirements, choose special (high-temperature resistance die Steel material, rear conjunction is first divided by solder, matrix puts into extrusion die, 315T hydraulic press pressure is adjusted between 19MPa ~ 12Mpa, start press, spindle extrusion process is become internal diameter φ 5mm-φ 7.5mm, cylindrical or the square hollow material of external diameter φ 10mm-φ 12.5mm.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. a seamless flux-cored wire, comprise the brazing flux in outside tubular solder and filler solder, its improvement is: the closedown of described tubular solder is seamless closing structure; Described solder comprises the phosphorus of 7.3%-7.8%, and surplus is copper, forms copper base solder; Or comprising the phosphorus of 7.0%-7.8%, the silver of 1%-15%, surplus is copper, forms money base low-silver solder; Or comprise 18%-56%, zinc, the tin of 0-5.5%, nickel, 0-2% indium of 0-3.1% of 5%-38%, surplus is copper, forms money base height silver solder.
2. a processing method for seamless flux-cored wire, is characterized in that, comprises the steps:
S1, smelting: phosphorus powder, cathode copper or phosphorus powder, silver and cathode copper are needed to carry out proportioning according to use, then heat to molten condition and inject mold, form casting rod, stand-by after cooling;
S2, cut polishing: by drill centers on cooled casting rod Special punching drilling machine, centre bore should be drilled in every root casting rod does not have serrated end, after accomplishing fluently centre bore, upper lathe chuck clamps, tail is sat center cone and be pushed into centre bore internal locking, start lathe, casting rod will cut some edges of a knife, then take off and broke vanning, proceed to throwing spray machine and carry out scarfing cinder polishing;
S3, extruded: the extrusion die by the heating of polished casting rod and after injection heating, becomes cylindrical or square hollow material by casting rod extrusion process;
S4, solder flux pretreatment: stand-by after being dried by solder flux, solder flux dewaters, and Muffle furnace is heated to 150 DEG C ~ 200 DEG C, insulation 20 ~ 30 clocks carry out baking process;
S5, solder flux are filled: adopted by solder flux method for oscillating to pour in hollow tube and seal stand-by loading by baked solder flux in the airtight funnel of vibratory sieve, hollow tube mouth is connected with vibratory sieve meal outlet, opens vibratory sieve, seals after powder being poured into tubing;
S6, welding wire are shaping: by the solder flux tubing of populated solder flux according to instructions for use drawing or be rolled into welding wire.
3. the processing method of seamless flux-cored wire as claimed in claim 2, it is characterized in that: in step sl, when copper smelting parent metal, be that cathode copper requires to carry out proportioning according to difference by the phosphorus powder of 7.3%-7.8%, surplus, first phosphorus powder is loaded crucible knotting compacting by technological requirement, again cathode copper is loaded crucible, starting device thereupon, crucible hoisting is loaded intermediate frequency furnace, open intermediate frequency furnace, to treat in stove that material heats up fusing, 950 DEG C ~ 1000 DEG C add husk and cover stirrings → alloy and melt completely → 950 DEG C of insulations, standing 2 minutes → melting down → scarfing cinder.Come out of the stove at 950 DEG C ~ 1000 DEG C.Copper liquid leaves standstill 1 minute again and injects water-cooled casting mould in crucible, it is cylindrical for watering mold endoporus, high 700mm, aperture is ∮ 50 ~ 54mm, when injecting mold, must be noted that pushing off the slag, the slag on crucible liquid level must not be made to inject in ingot casting, must not produce cutout phenomenon in casting cycle, treating that casting rod is cooled to less than 400 DEG C can die sinking.
4. the processing method of seamless flux-cored wire as claimed in claim 2, it is characterized in that: in step sl, when the low silver solder of smelting money base, by the phosphorus powder of .0%-7.8%, 1%-15% silver and surplus are that cathode copper requires to carry out proportioning according to difference, first phosphorus powder is loaded crucible knotting compacting by technological requirement, again by silver, cathode copper loads crucible, starting device thereupon, crucible hoisting is loaded intermediate frequency furnace, open intermediate frequency furnace, treat material intensification fusing in stove, 950 DEG C ~ 1000 DEG C add husk cover stirring → alloy melt completely → 950 DEG C of insulations, leave standstill 2 minutes → melting down → scarfing cinder.Come out of the stove at 950 DEG C ~ 1000 DEG C.Copper liquid leaves standstill 1 minute again and injects water-cooled casting mould in crucible, it is cylindrical for watering mold endoporus, high 700mm, aperture is ∮ 50 ~ 54mm, when injecting mold, must be noted that pushing off the slag, the slag on crucible liquid level must not be made to inject in ingot casting, must not produce cutout phenomenon in casting cycle, treating that casting rod is cooled to less than 400 DEG C can die sinking.
5. the processing method of seamless flux-cored wire as claimed in claim 2, it is characterized in that: in step sl, when smelting money base height silver solder, by the silver of 18%-56%, the zinc of 15%-38%, the tin of 0-5.5%, the nickel of 0-3.1%, 0-2% indium, surplus is that copper requires to carry out proportioning according to difference, load crucible, starting device, crucible is loaded intermediate frequency furnace, open intermediate frequency furnace, add smelting agent after fine melt, be cooled to 950 DEG C ~ 980 DEG C, frequent stirring is needed in whole smelting process, before building, after molten metal should leave standstill 30 seconds, water-cooled casting mould can be injected, it is cylindrical for watering mold endoporus, high 700mm, aperture is ∮ 50 ~ 54mm, pushing off the slag is must be noted that during casting, prevent liquid level slag from injecting ingot casting, cutout phenomenon must not be produced in casting journey, treating that casting rod is cooled to less than 400 DEG C can die sinking.
6. the processing method of seamless flux-cored wire as claimed in claim 2, it is characterized in that: in step s 2, when cutting polishing copper base solder or money base low-silver solder, the copper base solder smelted or money base low-silver solder casting rod are placed on drill centers on Special punching drilling machine, centre bore should be drilled in every root casting rod does not have serrated end, after accomplishing fluently centre bore, upper lathe chuck clamps, tail is sat center cone and be pushed into centre bore internal locking, start lathe, lathe speed is 900n/min, feed is 2 grades, cuts into the length of 85mm ~ 95mm, cuts 3-4 millimeters deep at every turn.This cutter cutting-in of casting ladle mouth some, take off and broke vanning, proceed to and throw spray machine and carry out scarfing cinder polishing, the spindle vanning handled well is weighed stand-by.
7. the processing method of seamless flux-cored wire as claimed in claim 2, it is characterized in that: in step s 2, when cutting polishing money base height silver solder, the money base height silver solder casting rod of having smelted is placed on drill centers on Special punching drilling machine, centre bore should be drilled in every root casting rod does not have serrated end, after accomplishing fluently centre bore, upper lathe chuck clamps, tail is sat center cone and be pushed into centre bore internal locking, start lathe, lathe speed is 900n/min, feed is 4 grades, cut into the length of 70mm ~ 80mm, proceed to throwing spray machine and carry out scarfing cinder polishing, the spindle vanning handled well is weighed stand-by.
8. the processing method of seamless flux-cored wire as claimed in claim 2, it is characterized in that: in step s3, when extruded copper base solder or money base low-silver solder, to polished copper base solder be cut or intermediate-frequency heating furnace put into by money base low-silver solder spindle, be heated to 380 DEG C ~ 430 DEG C, be incubated 10 minutes, the dedicated extruded mould being heated to 500 DEG C ± 10 DEG C is put in taking-up, according to different string diameter requirements, choose special matrix and put into extrusion die, 315T hydraulic press pressure is adjusted between 21MPa ~ 12Mpa, start press, spindle extrusion process is become cylindrical or square hollow material.
9. the processing method of seamless flux-cored wire as claimed in claim 2, it is characterized in that: in step s3, when extruded money base height silver solder, intermediate-frequency heating furnace is put into by cutting polished money base height silver solder spindle, be heated to 450 DEG C ~ 460 DEG C, be incubated 10 minutes, the dedicated extruded mould being heated to 530 DEG C ± 10 DEG C is put in taking-up, according to different string diameter requirements, choose special matrix and put into extrusion die, 315T hydraulic press pressure is adjusted between 19MPa ~ 12Mpa, starts press, spindle extrusion process is become inner diameter cylindrical shape or square hollow material.
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| CN106238947A (en) * | 2016-08-30 | 2016-12-21 | 郑州机械研究所 | A kind of copper phosphor tin flux-cored wire and preparation method thereof |
| CN107755919A (en) * | 2017-10-16 | 2018-03-06 | 合肥工业大学 | A kind of welding material and preparation method for the connection of 14Cr ODS ferrous alloys |
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| CN109195738A (en) * | 2016-05-16 | 2019-01-11 | 奥科宁克有限公司 | More material wire rods for increasing material manufacturing titanium alloy |
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| CN113560888A (en) * | 2021-07-27 | 2021-10-29 | 上海斯米克焊材有限公司 | Extrusion device of high silver brazing filler metal production usefulness |
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| CN109195738A (en) * | 2016-05-16 | 2019-01-11 | 奥科宁克有限公司 | More material wire rods for increasing material manufacturing titanium alloy |
| CN106112306A (en) * | 2016-08-30 | 2016-11-16 | 郑州机械研究所 | A kind of medicated core solder with moistening leading role and preparation method thereof |
| CN106238947A (en) * | 2016-08-30 | 2016-12-21 | 郑州机械研究所 | A kind of copper phosphor tin flux-cored wire and preparation method thereof |
| CN106238947B (en) * | 2016-08-30 | 2019-05-07 | 郑州机械研究所有限公司 | A kind of copper phosphorus tin flux cored welding wire and preparation method thereof |
| CN107755919A (en) * | 2017-10-16 | 2018-03-06 | 合肥工业大学 | A kind of welding material and preparation method for the connection of 14Cr ODS ferrous alloys |
| CN108381060A (en) * | 2018-05-16 | 2018-08-10 | 中原工学院 | Copper phosphorus base solder and its application |
| CN110711973A (en) * | 2019-10-18 | 2020-01-21 | 中机智能装备创新研究院(宁波)有限公司 | Nickel-based seamless multi-core braze coating material |
| CN112894192A (en) * | 2021-01-20 | 2021-06-04 | 郑州机械研究所有限公司 | Coating brazing filler metal and preparation method and application thereof |
| CN113560888A (en) * | 2021-07-27 | 2021-10-29 | 上海斯米克焊材有限公司 | Extrusion device of high silver brazing filler metal production usefulness |
| CN114367764A (en) * | 2022-03-07 | 2022-04-19 | 金华市步扬焊材有限公司 | Bronze welding wire and production process and extrusion equipment thereof |
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