CN113909599B - Method for manufacturing galvanized electrode wire - Google Patents
Method for manufacturing galvanized electrode wire Download PDFInfo
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- CN113909599B CN113909599B CN202111290410.0A CN202111290410A CN113909599B CN 113909599 B CN113909599 B CN 113909599B CN 202111290410 A CN202111290410 A CN 202111290410A CN 113909599 B CN113909599 B CN 113909599B
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000000137 annealing Methods 0.000 claims description 44
- 229910001369 Brass Inorganic materials 0.000 claims description 35
- 239000010951 brass Substances 0.000 claims description 35
- 238000005868 electrolysis reaction Methods 0.000 claims description 35
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 27
- 239000011701 zinc Substances 0.000 claims description 27
- 229910052725 zinc Inorganic materials 0.000 claims description 27
- 239000002253 acid Substances 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 24
- 238000005237 degreasing agent Methods 0.000 claims description 23
- 239000013527 degreasing agent Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000005406 washing Methods 0.000 claims description 22
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 20
- 238000007747 plating Methods 0.000 claims description 19
- 238000005246 galvanizing Methods 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 238000011282 treatment Methods 0.000 claims description 16
- 238000003723 Smelting Methods 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 238000009713 electroplating Methods 0.000 claims description 12
- 239000000337 buffer salt Substances 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 9
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 9
- 229960001763 zinc sulfate Drugs 0.000 claims description 9
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 239000011574 phosphorus Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 5
- 238000009749 continuous casting Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000001953 recrystallisation Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 abstract description 37
- 238000005516 engineering process Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 241001391944 Commicarpus scandens Species 0.000 description 4
- 229910000776 Common brass Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000005482 strain hardening Methods 0.000 description 3
- 238000007872 degassing Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 206010039509 Scab Diseases 0.000 description 1
- RIRXDDRGHVUXNJ-UHFFFAOYSA-N [Cu].[P] Chemical compound [Cu].[P] RIRXDDRGHVUXNJ-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000037390 scarring Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/22—Electrodes specially adapted therefor or their manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/22—Electrodes specially adapted therefor or their manufacture
- B23H7/24—Electrode material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention provides a method for manufacturing galvanized electrode wires, which comprises the following steps: the invention can further improve the cutting efficiency, the cutting dimensional accuracy and the cutting surface smoothness.
Description
Technical Field
The invention relates to an electrode wire, in particular to a method for manufacturing a galvanized electrode wire.
Background
In recent years, the machining technology is increasingly different, and wire-cut electric discharge machining is rapidly developed as a special precision machining technology. The development of wire cutting technology has been dependent in part on the development of wire electrode technology. With the continuous progress of material processing technology and mechanical processing technology, electrode wires undergo a use transition from common brass electrode wires to plated electrode wires. The core material of the galvanized electrode wire for the slow wire cutting is common brass, a layer of zinc is plated outside, the discharge of the electrode wire is stable due to the gasification effect of zinc in the cutting process, the cutting surface of the electrode wire is smoother than that of a common brass wire, the electrode wire contains 35% or more zinc of brass wire, the cutting efficiency is relatively lower although the cost is reduced, and meanwhile, most galvanized electrode wires are electroplated by adopting a busbar with the thickness of 0.1-0.4mm, so that the uniformity of the thickness of the galvanized layer cannot be well controlled, and the cutting dimensional precision and the cutting surface smoothness cannot be further improved.
Disclosure of Invention
First, the technical problem to be solved
The invention aims to provide a galvanized electrode wire manufacturing method which can further improve cutting efficiency, cutting dimensional accuracy and cutting surface smoothness. In order to achieve the above purpose, the present invention adopts the following technical scheme:
(II) technical scheme
A method for manufacturing a galvanized wire electrode, comprising the steps of:
(1) And (3) casting: adding copper with the weight content of 62.6% -63.2%, iron with the weight content of 0% -0.01% and phosphorus with the weight content of 0% -0.01% and the balance of zinc into an upward continuous casting smelting furnace according to the weight ratio for smelting, wherein the smelting temperature is controlled at 1025-1030 ℃ and the traction is controlled at 1.2-1.4m/minCasting at a guiding speedIs a brass blank rod;
(2) Giant drawing: will beIs drawn into +.>The stretching speed of the giant puller is controlled to be 110-130m/min;
(3) Annealing in a bell jar furnace: will bePutting the brass wire blank into a bell jar furnace for recrystallization annealing treatment, controlling the annealing temperature to be 600 ℃, preserving the heat for 3 hours, and then cooling;
(4) And (3) large drawing: after annealing treatmentContinuously stretching and on-line annealing production of brass wire blank by using large drawing machineThe stretching speed of the large drawing machine is controlled to be 400+/-5 m/min, and the annealing voltage is set to be 36-38V;
(5) And (3) middle pulling: will beContinuously stretching and on-line annealing production of brass wire blank by a middle drawing machine> The stretching speed of the middle drawing machine is controlled at 600m/min, and the annealing voltage is set at 35-37V;
(6) Electroplating: for a pair ofThe copper wire blank paying-off is sequentially subjected to alkali electrolysis, first water washing, acid electrolysis, second water washing, continuous galvanizing twice, third water washing, drying and wire winding treatment; wherein, degreasing agent is used in the alkaline electrolysis process, the concentration of the degreasing agent is controlled to be 60-70g/L, the temperature of the degreasing agent is controlled to be 60-70 ℃, the voltage of the alkaline electrolysis tank is controlled to be 1.5-2.0V, and the current is controlled to be 260-320A; the sulfuric acid with the purity of 98 percent is used in the acid electrolysis process, the concentration of the sulfuric acid accounts for 10 percent of that of the acid electrolysis solution, the voltage of the acid electrolysis tank is controlled to be 0.2-0.7V, and the current is controlled to be 20-40A; the zinc plating process uses 470-480g/L zinc sulfate and 35-45g/L buffer salt, the temperature of the zinc plating solution is controlled at 30-40 ℃, the voltage of the zinc plating tank is controlled at 1.5-2.8V, and the current is controlled at 650-1050A; the drying temperature is controlled to be 150-200 ℃; the wire-rewinding speed is controlled to be 130-150m/min;
(7) And (3) small drawing: after galvanizingIs stretched into +.> The drawing speed of the small drawing machine is controlled to be 1000+/-5 m/min, and the annealing voltage is set to be 34-36V.
Further, the first water washing, the second water washing and the third water washing in the electroplating process are all continuous five water washing treatments.
Further, the concentration of the degreasing agent is controlled to be 64-66g/L, the temperature of the degreasing agent is controlled to be 64-67 ℃, the voltage of the alkaline electrolytic tank is controlled to be 1.6-1.8V, and the current is controlled to be 280-300A; the voltage of the acid electrolytic tank is controlled to be 0.2-0.3V, and the current is controlled to be 20-25A; zinc sulfate with concentration of 475-480g/L and buffer salt with concentration of 35-40g/L are used in the galvanizing process, the temperature of the galvanizing liquid is controlled at 30-35 ℃, the voltage of the galvanizing tank is controlled at 2-2.5V, and the current is controlled at 700-900A; the drying temperature is controlled to be 170-190 ℃; the winding speed is controlled to be 140-150m/min.
Further, the concentration of the degreasing agent is controlled to be 65g/L, the temperature of the degreasing agent is controlled to be 66 ℃, the voltage of the alkaline electrolytic cell is controlled to be 1.7V, and the current is controlled to be 290A; the voltage of the acid electrolytic tank is controlled to be 0.3V, and the current is controlled to be 25A; the zinc plating process uses 475g/L zinc sulfate and 37g/L buffer salt, the temperature of the zinc plating solution is controlled at 32 ℃, the voltage of the zinc plating tank is controlled at 2.3V, and the current is controlled at 800A; the drying temperature is controlled at 180 ℃; and the winding speed is controlled at 145m/min.
(III) beneficial effects
Compared with the prior art, the invention has obvious advantages and beneficial effects, in particular, the invention has the advantages that a small amount of iron and phosphorus are doped in raw materials, the small amount of iron can play a role in refining grains, the small amount of phosphorus can play a role in deoxidizing and degassing, the fluidity of copper liquid can be improved, the surface of a brass wire blank rod is free from cold insulation and scabbing, and a fracture is free from air holes, shrinkage holes, inclusions and the like, thereby being beneficial to improving the internal tissue quality and tensile strength of the brass wire blank, being difficult to break wires in the wire cutting discharge process and further being beneficial to improving the cutting efficiency; electroplating is carried out byThe brass wire blank is used as a bus for electroplating, and then is further stretched, so that the uniformity of the thickness of a galvanized layer can be better controlled, the discharge stability and the cooling effect of the brass wire blank are improved, the wire is not easy to break, and the improvement of the cutting efficiency, the cutting dimensional accuracy and the cutting surface smoothness is further facilitated.
Drawings
Fig. 1 is a flow chart of the present invention.
Detailed Description
The invention will be further described with reference to the detailed description of the embodiments shown in the flowchart of fig. 1.
Example 1
A method for manufacturing a galvanized wire electrode, comprising the steps of:
(1) And (3) casting: the four raw materials of 63 percent of copper, 0.009 percent of iron, 0.008 percent of phosphorus and the balance of zinc are put into an upward continuous casting smelting furnace according to the weight proportion for smelting, the smelting temperature is controlled at 1030 ℃, and the casting is carried out at the traction speed of 1.3m/min to produceIs a brass blank rod;
(2) Giant drawing: will beIs drawn into +.>The stretching speed of the giant puller is controlled to be 120m/min;
(3) Annealing in a bell jar furnace: will bePutting the brass wire blank into a bell jar furnace for recrystallization annealing treatment, controlling the annealing temperature to be 600 ℃, preserving heat for 3 hours, and then cooling to eliminate work hardening of the brass wire blank;
(4) And (3) large drawing: after annealing treatmentContinuously stretching and on-line annealing production of brass wire blank by using large drawing machineThe stretching speed of the large drawing machine is controlled at 400m/min, and the annealing voltage is set at 37V;
(5) And (3) middle pulling: will beContinuously stretching and on-line annealing production of brass wire blank by a middle drawing machine> The drawing speed of the middle drawing machine is controlled at 600m/min, and the annealing voltage is set at 36V;
(6) Electroplating: for a pair ofThe copper wire blank paying-off is sequentially subjected to alkali electrolysis, first water washing, acid electrolysis, second water washing, continuous galvanizing twice, third water washing, drying and wire winding treatment; wherein, degreasing agent is used in the alkaline electrolysis process, the concentration of the degreasing agent is controlled at 65g/L, the temperature of the degreasing agent is controlled at 66 ℃, the voltage of the alkaline electrolysis tank is controlled at 1.7V, and the current is controlled at 290A; the sulfuric acid with the purity of 98 percent is used in the acid electrolysis process, the concentration of the sulfuric acid accounts for 10 percent of that of the acid electrolysis solution, the voltage of the acid electrolysis tank is controlled to be 0.3V, and the current is controlled to be 25A; zinc sulfate with concentration of 475g/L and buffer salt with concentration of 37g/L are used in the galvanizing process, the temperature of the galvanizing liquid is controlled at 32 ℃, the voltage of a galvanizing tank is controlled at 2.3V, and the current is controlled at 800A; the drying temperature is controlled at 180 ℃; the wire-rewinding speed is controlled at 145m/min;
(7) And (3) small drawing: after galvanizingIs stretched into +.>The drawing speed of the small drawing machine is controlled to be 1000m/min, and the annealing voltage is set to be 35V. Cutting and testing the obtained tinned electrode wire by three sections respectively to obtain the following one:
list one
Example two
A method for manufacturing a galvanized wire electrode, comprising the steps of:
(1) And (3) casting: the four raw materials of 63 percent of copper, 0.009 percent of iron, 0.008 percent of phosphorus and the balance of zinc are put into an upward continuous casting smelting furnace according to the weight proportion for smelting, the smelting temperature is controlled at 1030 ℃, and the casting is carried out at the traction speed of 1.3m/min to produceIs a brass blank rod;
(2) Giant drawing: will beIs drawn into +.>The stretching speed of the giant puller is controlled to be 120m/min;
(3) Annealing in a bell jar furnace: will bePutting the brass wire blank into a bell jar furnace for recrystallization annealing treatment, controlling the annealing temperature to be 600 ℃, preserving heat for 3 hours, and then cooling to eliminate work hardening of the brass wire blank;
(4) And (3) large drawing: after annealing treatmentContinuously stretching and on-line annealing production of brass wire blank by using large drawing machineThe stretching speed of the large drawing machine is controlled at 400m/min, and the annealing voltage is set at 37V;
(5) And (3) middle pulling: will beContinuously stretching and on-line annealing production of brass wire blank by a middle drawing machine> The drawing speed of the middle drawing machine is controlled at 600m/min, and the annealing voltage is set at 36V;
(6) Electroplating: for a pair ofThe copper wire blank paying-off is sequentially subjected to alkali electrolysis, first water washing, acid electrolysis, second water washing, continuous galvanizing twice, third water washing, drying and wire winding treatment; wherein, degreasing agent is used in the alkaline electrolysis process, the concentration of the degreasing agent is controlled at 60g/L, the temperature of the degreasing agent is controlled at 60 ℃, the voltage of the alkaline electrolysis tank is controlled at 1.5V, and the current is controlled at 265A; the sulfuric acid with the purity of 98 percent is used in the acid electrolysis process, the concentration of the sulfuric acid accounts for 10 percent of that of the acid electrolysis solution, the voltage of the acid electrolysis tank is controlled to be 0.4V, and the current is controlled to be 30A; the zinc plating process uses zinc sulfate with concentration of 470g/L and buffer salt with concentration of 35g/L, the temperature of the zinc plating solution is controlled at 30 ℃, the voltage of a zinc plating tank is controlled at 1.8V, and the current is controlled at 670A; the drying temperature is controlled at 180 ℃; the wire-rewinding speed is controlled at 150m/min;
(7) And (3) small drawing: after galvanizingIs stretched into +.>The drawing speed of the small drawing machine is controlled to be 1000m/min, and the annealing voltage is set to be 35V.
Cutting and testing the obtained tinned electrode wires by three sections respectively to obtain the following second list:
watch II
Example III
A method for manufacturing a galvanized wire electrode, comprising the steps of:
(1) And (3) casting: the four raw materials of 62.7 percent of copper, 0.004 percent of iron, 0.005 percent of phosphorus and the balance of zinc are put into an upward continuous casting smelting furnace according to the weight proportion for smelting, the smelting temperature is controlled at 1030 ℃, and the casting is produced at the traction speed of 1.3m/minIs a brass blank rod;
(2) Giant drawing: will beIs drawn into +.>The stretching speed of the giant puller is controlled to be 120m/min;
(3) Annealing in a bell jar furnace: will bePutting the brass wire blank into a bell jar furnace for recrystallization annealing treatment, controlling the annealing temperature to be 600 ℃, preserving heat for 3 hours, and then cooling to eliminate work hardening of the brass wire blank;
(4) And (3) large drawing: after annealing treatmentContinuously stretching and on-line annealing production of brass wire blank by using large drawing machineThe stretching speed of the large drawing machine is controlled at 400m/min, and the annealing voltage is set at 37V;
(5) And (3) middle pulling: will beYellow of (2)Copper wire blank is continuously stretched by a middle pulling machine and annealed on line to produce +.> The drawing speed of the middle drawing machine is controlled at 600m/min, and the annealing voltage is set at 36V;
(6) Electroplating: for a pair ofThe copper wire blank paying-off is sequentially subjected to alkali electrolysis, first water washing, acid electrolysis, second water washing, continuous galvanizing twice, third water washing, drying and wire winding treatment; wherein, degreasing agent is used in the alkaline electrolysis process, the concentration of the degreasing agent is controlled at 70g/L, the temperature of the degreasing agent is controlled at 70 ℃, the voltage of the alkaline electrolysis tank is controlled at 1.8V, and the current is controlled at 280A; the sulfuric acid with the purity of 98 percent is used in the acid electrolysis process, the concentration of the sulfuric acid accounts for 10 percent of that of the acid electrolysis solution, the voltage of the acid electrolysis tank is controlled to be 0.4V, and the current is controlled to be 30A; the zinc plating process uses zinc sulfate with the concentration of 480g/L and buffer salt with the concentration of 45g/L, the temperature of the zinc plating solution is controlled at 36 ℃, the voltage of a zinc plating tank is controlled at 2.1V, and the current is controlled at 800A; the drying temperature is controlled at 200 ℃; the wire-rewinding speed is controlled at 150m/min;
(7) And (3) small drawing: after galvanizingIs stretched into +.>The drawing speed of the small drawing machine is controlled to 1000m/min, and the annealing voltage is set to 35V.
Cutting and testing the obtained tinned electrode wire by three sections respectively to obtain the following list III:
watch III
Control group one
Referring to the step method of the first embodiment, a tin-plated electrode wire is manufactured, wherein the steps (6) electroplating and (7) small drawing are exchanged in sequence, and the obtained tin-plated electrode wire is subjected to cutting test by taking three sections respectively, so that the following list IV is obtained:
table four
Control group two
Referring to the step method of the first embodiment, brass electrode wires are manufactured, wherein the step (6) is electroplated and removed, and the obtained brass electrode wires are respectively cut and tested by taking three sections, so that the following list five is obtained:
TABLE five
The average statistics of the performance indicators of the above five embodiments are compared in a table to obtain the following list six:
TABLE six
By comparing the performance indexes of the embodiment, compared with the common brass electrode wire, the invention has the advantages that the cutting discharge process is stable, the wire is not easy to break, the cutting speed is improved by 5-10%, the cutting dimensional accuracy can be controlled within +/-2 um, and the smoothness of the cutting surface can be improved by 1.5-2.5 um; compared with the galvanized electrode wire which adopts a brass wire blank with the thickness of 0.1-0.4mm as the busbar plating, the invention has the advantages that the cutting speed, the cutting dimensional precision and the cutting surface finish degree are further improved; in particular, in the first embodiment, the cutting speed, the cutting dimensional accuracy and the cutting surface finish are obviously improved.
According to the invention, a small amount of copper-phosphorus intermediate alloy is doped in raw materials of electrolytic copper and zinc ingots, a small amount of iron can play a role in refining grains, a small amount of phosphorus can play a role in deoxidizing and degassing, and the fluidity of copper liquid can be improved, so that the surface of a brass wire blank rod is free from cold insulation, scarring, air holes, shrinkage cavities, inclusions and the like, the internal tissue quality and tensile strength of the brass wire blank are improved, the wire cutting discharge process is not easy to break, and the cutting efficiency is improved; electroplating is carried out byThe brass wire blank is used as a bus for electroplating, and then is further stretched, so that the uniformity of the thickness of a galvanized layer can be better controlled, the discharge stability and the cooling effect of the brass wire blank are improved, the wire is not easy to break, and the improvement of the cutting efficiency, the cutting dimensional accuracy and the cutting surface smoothness is further facilitated.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention still fall within the scope of the technical solutions of the present invention.
Claims (4)
1. A manufacturing method of galvanized electrode wires is characterized in that: the method comprises the following steps:
(1) And (3) casting: copper with the weight content of 62.6 percent or more and less than or equal to 63.2 percent, iron with the weight content of 0 percent or more and less than or equal to 0.01 percent, phosphorus with the weight content of 0 percent or less than or equal to 0.01 percent and the balance of zinc are put into an upward continuous casting smelting furnace according to the weight proportion for smelting, the smelting temperature is controlled between 1025 ℃ and 1030 ℃ and the casting is produced at the traction speed of 1.2 m/min to 1.4m/minIs a brass blank rod;
(2) Giant drawing: will beIs drawn into +.>The stretching speed of the giant puller is controlled to be 110-130m/min;
(3) Annealing in a bell jar furnace: will bePutting the brass wire blank into a bell jar furnace for recrystallization annealing treatment, controlling the annealing temperature to be 600 ℃, preserving the heat for 3 hours, and then cooling;
(4) And (3) large drawing: after annealing treatmentContinuously stretching and on-line annealing production of brass wire blank by using large drawing machineThe stretching speed of the large drawing machine is controlled to be 400+/-5 m/min, and the annealing voltage is set to be 36-38V;
(5) And (3) middle pulling: will beContinuously stretching and on-line annealing production of brass wire blank by a middle drawing machine> The stretching speed of the middle drawing machine is controlled at 600m/min, and the annealing voltage is set at 35-37V;
(6) Electroplating: for a pair ofSequentially carrying out alkali electrolysis, first water washing, acid electrolysis, second water washing, continuous twice galvanization and the first time on the brass wire blank paying-offWashing with water, drying and winding up for three times; wherein, degreasing agent is used in the alkaline electrolysis process, the concentration of the degreasing agent is controlled to be 60-70g/L, the temperature of the degreasing agent is controlled to be 60-70 ℃, the voltage of the alkaline electrolysis tank is controlled to be 1.5-2.0V, and the current is controlled to be 260-320A; the sulfuric acid with the purity of 98 percent is used in the acid electrolysis process, the concentration of the sulfuric acid accounts for 10 percent of that of the acid electrolysis solution, the voltage of the acid electrolysis tank is controlled to be 0.2-0.7V, and the current is controlled to be 20-40A; the zinc plating process uses 470-480g/L zinc sulfate and 35-45g/L buffer salt, the temperature of the zinc plating solution is controlled at 30-40 ℃, the voltage of the zinc plating tank is controlled at 1.5-2.8V, and the current is controlled at 650-1050A; the drying temperature is controlled to be 150-200 ℃; the wire-rewinding speed is controlled to be 130-150m/min;
(7) And (3) small drawing: after galvanizingIs stretched into +.> The drawing speed of the small drawing machine is controlled to be 1000+/-5 m/min, and the annealing voltage is set to be 34-36V.
2. A method of manufacturing a galvanized wire according to claim 1, characterized by: the first water washing, the second water washing and the third water washing in the electroplating process are all continuous five water washing treatments.
3. A method of manufacturing a galvanized wire according to claim 1, characterized by: the concentration of the degreasing agent is controlled to be 64-66g/L, the temperature of the degreasing agent is controlled to be 64-67 ℃, the voltage of the alkaline electrolytic tank is controlled to be 1.6-1.8V, and the current is controlled to be 280-300A; the voltage of the acid electrolytic tank is controlled to be 0.2-0.3V, and the current is controlled to be 20-25A; zinc sulfate with concentration of 475-480g/L and buffer salt with concentration of 35-40g/L are used in the galvanizing process, the temperature of the galvanizing liquid is controlled at 30-35 ℃, the voltage of the galvanizing tank is controlled at 2-2.5V, and the current is controlled at 700-900A; the drying temperature is controlled to be 170-190 ℃; the winding speed is controlled to be 140-150m/min.
4. A method of manufacturing a galvanized wire according to claim 3, characterized in that: the concentration of the degreasing agent is controlled at 65g/L, the temperature of the degreasing agent is controlled at 66 ℃, the voltage of the alkaline electrolytic tank is controlled at 1.7V, and the current is controlled at 290A; the voltage of the acid electrolytic tank is controlled to be 0.3V, and the current is controlled to be 25A; the zinc plating process uses 475g/L zinc sulfate and 37g/L buffer salt, the temperature of the zinc plating solution is controlled at 32 ℃, the voltage of the zinc plating tank is controlled at 2.3V, and the current is controlled at 800A; the drying temperature is controlled at 180 ℃; and the winding speed is controlled at 145m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111290410.0A CN113909599B (en) | 2021-11-02 | 2021-11-02 | Method for manufacturing galvanized electrode wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111290410.0A CN113909599B (en) | 2021-11-02 | 2021-11-02 | Method for manufacturing galvanized electrode wire |
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| JP2006159304A (en) * | 2004-12-02 | 2006-06-22 | Hongduk Steel Cord Co Ltd | Electrode wire for wire electric discharge machining and its manufacturing method |
| WO2011096242A1 (en) * | 2010-02-02 | 2011-08-11 | 沖電線株式会社 | Electrode wire for wire electrical discharge machining, method for manufacturing the same, and method for electrical discharge machining the same |
| CN105772878A (en) * | 2016-04-11 | 2016-07-20 | 尚成荣 | High-difficulty steel core wire electrode and manufacturing method thereof |
| CN109909568A (en) * | 2019-04-16 | 2019-06-21 | 宁波博德高科股份有限公司 | A kind of Wire-cut Electrical Discharge Machining wire electrode and preparation method thereof |
| EP3597339A1 (en) * | 2018-07-18 | 2020-01-22 | Bfuture Metal Group Limited | Electrode wire for electro-discharge machining and method for manufacturing the same |
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| US20100163529A1 (en) * | 2007-12-10 | 2010-07-01 | Oki Electric Cab Le Co., Ltd. | Electrode wire for wire electrodischarge machining, method of manufacturing the same, and system for manufacutring base wire for the same |
| CN104191056B (en) * | 2014-08-13 | 2016-06-29 | 宁波博威麦特莱科技有限公司 | A kind of high accuracy zinc-containing alloy wire electrode and preparation method thereof |
| CN106808037B (en) * | 2015-12-02 | 2020-07-03 | 中国科学院宁波材料技术与工程研究所 | Fish scale-imitated micro-texture electrode wire material and preparation method and application thereof |
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| JP2006159304A (en) * | 2004-12-02 | 2006-06-22 | Hongduk Steel Cord Co Ltd | Electrode wire for wire electric discharge machining and its manufacturing method |
| WO2011096242A1 (en) * | 2010-02-02 | 2011-08-11 | 沖電線株式会社 | Electrode wire for wire electrical discharge machining, method for manufacturing the same, and method for electrical discharge machining the same |
| CN105772878A (en) * | 2016-04-11 | 2016-07-20 | 尚成荣 | High-difficulty steel core wire electrode and manufacturing method thereof |
| EP3597339A1 (en) * | 2018-07-18 | 2020-01-22 | Bfuture Metal Group Limited | Electrode wire for electro-discharge machining and method for manufacturing the same |
| CN109909568A (en) * | 2019-04-16 | 2019-06-21 | 宁波博德高科股份有限公司 | A kind of Wire-cut Electrical Discharge Machining wire electrode and preparation method thereof |
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