CN103515024B - Varnished wire product technology - Google Patents
Varnished wire product technology Download PDFInfo
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- CN103515024B CN103515024B CN201310454328.6A CN201310454328A CN103515024B CN 103515024 B CN103515024 B CN 103515024B CN 201310454328 A CN201310454328 A CN 201310454328A CN 103515024 B CN103515024 B CN 103515024B
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Abstract
The invention relates to a wire production technology, in particular to a varnished wire production technology. According to the varnished wire product technology, the technological parameters of the steps are adjusted, so that the tensile strength, the elongation, the cut-through performance and other indexes of varnished wires are obviously improved, the conductivity index of the varnished wires meets the requirement, and meanwhile other indexes can meet the using requirement, the using range of the varnished wires is widened, and the production quality of the varnished wires is improved.
Description
Technical field
The present invention relates to production of wirerods, particularly relate to Production of Enamel Wires technique.
Background technology
Alloy enamelled wire is because having excellent conductivity, resistance to abrasion and superior processing performance, be widely used over the years and make the high-fidelity line of electromagnetic wire and electroacoustic industry, but its tensile strength is lower, the enamelled wire of especially fine wire diameter, its intensity is difficult to meet the requirement of some field to enamelled wire, the such as loudspeaker of electroacoustic industry, earphone, cell-phone receiver, requirement product is miniaturized, lightweight, the enamelled wire of the fine wire diameter of a large amount of use, because tensile strength is lower, be difficult to the requirement adapting to coiling machinery, modern industry requires that enamelled wire has high connductivity, height leads thermal property, higher tensile strength, also to there be certain processing compliance and plasticity.
Generally changed the performance of enamelled wire in prior art by the alloy composition changing enamelled wire, but this mode will affect other performance of enamelled wire, therefore, the enamelled wire scope of application that this method obtains is smaller.Enamelled wire in process of production will through heat treatment repeatedly and other technical process, enamelled wire heat treated parameter and other technological parameter in heat treatment process will have influence on the performance of enamelled wire, therefore by the various parameters in adjustment Production of Enamel Wires process, also can reach and improve enameled wire performance effect.
Summary of the invention
Production of Enamel Wires technique provided by the invention, is intended to overcome enamelled wire in prior art and does the low deficiency of tensile strength.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: Production of Enamel Wires technique, comprises the following steps successively:
A, blank prepare:
A1, buying blank;
A2, receiving inspection, whether the billet size in checking procedure a1 is in the margin of tolerance, and in checking procedure a1, whether blank outward appearance has the defect of oxidation, burr, crackle;
The storage of a3, blank, will be up to the standards in step a2 and the blank temporarily do not processed stores;
B, first time wire drawing:
B1, adopt 450 meters to 550 meters speed per minute to be final gauge or diameter of wire to diameter by the material extending in step a3 8 ~ 12 times;
B2, inspection, test to the obtained wire size of step b1 and outward appearance in drawing process, size should in the margin of tolerance, and outward appearance answers the defect of non-oxidation, burr, crackle;
B3, storage, the wire rod be up to the standards by step b2 stores for future use, and underproof wire rod is scrapped;
C, second time wire drawing:
C1, adopt 450 meters to 550 meters drawing speeds per minute to be final gauge or diameter of wire to diameter by the wire stretching stored in step b3 3 ~ 5 times;
C2, the electric current of 22 amperes to 28 amperes, the voltage of 25 volts to 27 volts and 400 meters to 500 meters speed per minute are adopted to be annealed by the wire rod that step c1 is obtained;
C3, cooling/cleaning, the wire rod obtained to step c2 cools and cleans;
C4, drying, be dried to wire surface no liquid by wire rod obtained in step c3 and remain;
C5, take-up, furl the wire rod after step c4 process;
C6, inspection, test to the size of wire rod, outward appearance, percentage elongation carrying out step c5 take-up, its size should in the margin of tolerance, and outward appearance answers the defect of non-oxidation, burr, crackle, and percentage elongation should be more than or equal to 30% simultaneously;
C7, storage, store qualified wire rod after step c6 inspection, underproof wire rod is scrapped;
D, third time wire drawing:
D1, to be adopted by the wire rod stored in step c7 750 meters to 850 meters speed per minute to be final gauge or diameter of wire to diameter by wire stretching 1.5 ~ 2 times;
D2, cleaning, clean wire rod obtained in steps d 1;
D3, inspection, the wire rod obtained to steps d 2 is tested, and its resistance value should meet national standard, and outward appearance answers non-oxidation, burr, crackle;
D4, storage, store the wire rod be up to the standards in steps d 1, and what in steps d 1, inspection did not conform to scraps;
D5, annealing, adopt contactless method for annealing to the wire annealing stored in steps d 4, annealing temperature is 650 degrees Celsius to 750 degrees Celsius;
E, the 4th wire drawing:
E1, to be adopted by the wire rod after annealing in process in steps d 5 650 meters to 750 meters speed per minute blank to be stretched to diameter be final diameter;
E2, cleaning, carry out cleaning and drying by wire rod obtained in step e1;
E3, inspection, wire rod obtained in checking procedure e2, its resistance should meet national standard, and outward appearance answers non-oxidation, burr, crackle;
E4, storage, store for future use at normal temperatures by the wire rod be up to the standards in step e3, underproofly scraps;
F, japanning:
The temperature of f1, employing 700 degrees Celsius to 800 degrees Celsius is annealed to the wire rod stored in step e4;
F2, clean, wire rod obtained in step f1 is carried out clean and dry;
F3, painting, paint to the wire rod after step f2 process;
F4, film curing, be cured the wire rod after step f3 process;
F5, measurement, measure the gauge or diameter of wire after step f4 process, and the wire rod that diameter is qualified proceeds following process, and the underproof wire rod of diameter is scrapped;
G, painting lubricant, wire surface qualified after measuring step f5 is coated with lubricant;
H, product inspection:
H1, first sample are checked, and the wire rod got after step g process is tested;
H2, finished product take-up, carry out take-up to wire rod obtained in step g after the assay was approved through step h1; After step h1 disqualified upon inspection, wire rod obtained in step g is scrapped;
H3, examination at random, inspect by random samples the wire rod after step g process in step h2 take-up process.
As preferably, in the blank storage of described step a3 and b3, the temperature of storage condition is-10 degrees Celsius to 50 degrees Celsius, humidity is 40%-70%RH, by storing treated enamelled wire in this storage condition, can ensure that the indices of enamelled wire can not change in storage, and be more conducive to the following process of enamelled wire, improve the quality of enamelled wire.
As preferably, described step b1, step c1, steps d 1, step e1, can furl the wire rod after wire drawing process while wire drawing, furled by the wire rod docking silk process while connecing a step, improve the production efficiency of enamelled wire, reduce the production cost of enamelled wire.
As preferably, adopt deionized water to carry out cooling and cleaning in described step c3, by adopting deionized water to cool enamelled wire and clean, the clean-up performance of deionized water is high, avoid, because impurities in water too much pollutes the wire rod after process, improve the quality of enamelled wire.
As preferably, the temperature of the storage condition in described step c7 is-10 degrees Celsius to 50 degrees Celsius, humidity is 40% to 70%RH, by storing treated enamelled wire in this storage condition, can ensure that the indices of enamelled wire can not change in storage, and be more conducive to the following process of enamelled wire, improve the quality of enamelled wire.
As preferably, in described steps d 2, the content of cleaning fluid is 20% to 30% of solution gross weight, and the wire rod satisfactory consumption that simultaneously also save cleaning fluid of solution after ensureing cleaning of this proportioning, reduces the production cost of enamelled wire.
As preferably, the temperature of the storage condition in described steps d 4 is-10 degrees Celsius to 50 degrees Celsius, humidity is 40% to 70%RH, by storing treated enamelled wire in this storage condition, can ensure that the indices of enamelled wire can not change in storage, and be more conducive to the following process of enamelled wire, improve the quality of enamelled wire.
As preferably, deionized water is adopted to clean in described step e2, compressed air is adopted to carry out drying, deionized water is adopted to clean wire rod, improve the quality of enamelled wire, adopt compressed air to carry out drying to the wire rod after cleaning, accelerate the rate of drying of enamelled wire, improve the production efficiency of enamelled wire.
As preferably, in described step f4 solidification process, solidifying priming paint temperature is 330 degrees Celsius to 430 degrees Celsius, topcoating cures temperature is 250 degrees Celsius to 350 degrees Celsius, in solidification process the Trace speed of finish paint and priming paint be 250 meters per minute to 350 meters, finish paint and priming paint adopt different curing temperatures and adopt identical Trace speed, improve the curing rate of finish paint and priming paint, reduce the production cost of enamelled wire, improve the quality of enamelled wire.
As preferably, inspect in described step h3 that length is no less than wire rod total length by random samples 10%, by inspecting by random samples wire rod, further ensure the reliable in quality of the wire rod that dispatches from the factory.
Production of Enamel Wires technique provided by the invention, tool has the following advantages: Production of Enamel Wires technique of the present invention is by adjusting the various process parameters in each step, make the tensile strength of enamelled wire, percentage elongation, the softening index such as to puncture obtains obvious improvement, ensure that enamelled wire other index while electric conductivity index meets the demands also can meet user demand, broaden the scope of application of enamelled wire, improve the quality of production of enamelled wire.
Embodiment
Kufil enamelled wire is used widely because of having good work performance and electric conductivity, especially silver content is the Kufil enamelled wire of 4.0%, its cost performance is higher, be widely used, therefore the present invention be only applicable to silver containing for 4.0% copper alloy wire; Test stone in the present invention is: GB-T3953-2009-electrician's circular copper wire; Detection method is: GB-T-4074-2008 winding wire test method.
Embodiment one
Production of Enamel Wires technique, comprises the following steps successively:
A, blank prepare:
A1, buying blank;
A2, receiving inspection, whether the billet size in checking procedure a1 is in the margin of tolerance, and in checking procedure a1, whether blank outward appearance has the defect of oxidation, burr, crackle;
A3, blank store, will be up to the standards in step a2 and the blank temporarily do not processed temperature be 25 degrees Celsius, humidity is store in the environment of 45%RH;
B, first time wire drawing:
B1, adopt 500 meters of speed per minute to be final gauge or diameter of wire to diameter by the material extending in step a3 10 times, this step can be entered to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft together in drawing process;
B2, inspection, test to the obtained wire size of step b1 and outward appearance in drawing process, size should in the margin of tolerance, and outward appearance answers the defect of non-oxidation, burr, crackle;
B3, storage, the wire rod that step b2 is up to the standards temperature be 25 degrees Celsius, humidity is store for future use in the environment of 45%RH, underproof wire rod is scrapped;
C, second time wire drawing:
C1, adopt 500 meters of drawing speeds per minute to be final gauge or diameter of wire to diameter by the wire stretching stored in step b3 4 times, this step can with entering to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft in drawing process;
C2, the electric current of 26 amperes, the voltage of 26 volts and 450 meters of speed per minute are adopted to be annealed by the wire rod that step c1 is obtained;
C3, cooling/cleaning, the wire rod obtained to step c2 adopts deionized water cool and clean;
C4, drying, be dried to wire surface no liquid by wire rod obtained in step c3 and remain;
C5, take-up, furl the wire rod after step c4 process;
C6, inspection, test to the size of wire rod, outward appearance, percentage elongation carrying out step c5 take-up, its size should in the margin of tolerance, and outward appearance answers the defect of non-oxidation, burr, crackle, and percentage elongation should be more than or equal to 30% simultaneously;
C7, storage, to qualified wire rod after step c6 inspection temperature be 30 degrees Celsius, humidity is that 55%RH stores, underproof wire rod is scrapped;
D, third time wire drawing:
D1, to be adopted by the wire rod stored in step c7 800 meters of speed per minute to be final gauge or diameter of wire to diameter by wire stretching 1.8 times, this step can with entering to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft in drawing process;
D2, cleaning, cleaned by wire rod obtained in steps d 1, cleaning solution preferably adopts the mixed solution of common cleaning fluid and deionized water, and wherein the weight of cleaning fluid is 25% of solution gross weight;
D3, inspection, the wire rod obtained to steps d 2 is tested, and its resistance value should meet national standard, and outward appearance answers non-oxidation, burr, crackle;
D4, storage, be 28 degrees Celsius by the wire rod be up to the standards in steps d 1 in temperature, humidity is that 65%RH stores, and what in steps d 1, inspection did not conform to scraps;
D5, annealing, adopt contactless method for annealing to the wire annealing stored in steps d 4, annealing temperature is 700 degrees Celsius;
E, the 4th wire drawing:
E1, to be adopted by the wire rod after annealing in process in steps d 5 700 meters of speed per minute blank to be stretched to diameter be final diameter, this step can with entering to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft in drawing process;
E2, cleaning, carry out cleaning by wire rod obtained in step e1 and dry, preferably adopts deionized water to clean wire rod, and employing compressed air carries out drying and namely blows to wire rod by compressed air and carry out drying;
E3, inspection, wire rod obtained in checking procedure e2, its resistance should meet national standard, and outward appearance answers non-oxidation, burr, crackle;
E4, storage, store for future use at normal temperatures by the wire rod be up to the standards in step e3, underproofly scraps;
F, japanning:
The temperature of f1, employing 750 degrees Celsius is annealed to the wire rod stored in step e4;
F2, clean, wire rod obtained in step f1 is carried out clean and dry;
F3, painting, paint to the wire rod after step f2 process;
F4, film curing, be cured the wire rod after step f3 process, and preferred solidifying priming paint temperature is 380 degrees Celsius, and topcoating cures temperature is 300 degrees Celsius, in solidification process the Trace speed of finish paint and priming paint be 300 meters per minute;
F5, measurement, measure the gauge or diameter of wire after step f4 process, and the wire rod that diameter is qualified proceeds following process, and the underproof wire rod of diameter is scrapped;
G, painting lubricant, wire surface qualified after measuring step f5 is coated with lubricant;
H, product inspection:
H1, first sample are checked, and the wire rod got after step g process is tested;
H2, finished product take-up, carry out take-up to wire rod obtained in step g after the assay was approved through step h1; After step h1 disqualified upon inspection, wire rod obtained in step g is scrapped;
H3, examination at random, inspect by random samples the wire rod after step g process in step h2 take-up process, and sampling observation length is 20% of wire rod total length.
The Production of Enamel Wires explained hereafter of the present embodiment is adopted to go out the tensile strength of wire rod, percentage elongation, softeningly puncture index and see the following form:
| Tensile strength N/mm 2 | Percentage elongation % | Softening to puncture DEG C | |
| Fine copper enamelled wire | ≥240 | ≥12 | ≥200 |
| Kufil enamelled wire | ≥340 | ≥25 | ≥280 |
As seen from the above table, the Production of Enamel Wires technique of the present embodiment is by adjusting the various process parameters in each step, make the tensile strength of enamelled wire, percentage elongation, the softening index such as to puncture obtains obvious improvement, ensure that enamelled wire other index while electric conductivity index meets the demands also can meet user demand, broaden the scope of application of enamelled wire, improve the quality of production of enamelled wire.
Embodiment two
Production of Enamel Wires technique, comprises the following steps successively:
A, blank prepare:
A1, buying blank;
A2, receiving inspection, whether the billet size in checking procedure a1 is in the margin of tolerance, and in checking procedure a1, whether blank outward appearance has the defect of oxidation, burr, crackle;
A3, blank store, will be up to the standards in step a2 and the blank temporarily do not processed temperature be-10 degrees Celsius, humidity is store in the environment of 40%RH;
B, first time wire drawing:
B1, adopt 450 meters of speed per minute to be final gauge or diameter of wire to diameter by the material extending in step a3 8 times, this step can be entered to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft together in drawing process;
B2, inspection, test to the obtained wire size of step b1 and outward appearance in drawing process, size should in the margin of tolerance, and outward appearance answers the defect of non-oxidation, burr, crackle;
B3, storage, the wire rod that step b2 is up to the standards temperature be-10 degrees Celsius, humidity is store for future use in the environment of 40%RH, underproof wire rod is scrapped;
C, second time wire drawing:
C1, adopt 450 meters of drawing speeds per minute to be final gauge or diameter of wire to diameter by the wire stretching stored in step b3 3 times, this step can with entering to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft in drawing process;
C2, the electric current of 22 amperes, the voltage of 25 volts and 400 meters of speed per minute are adopted to be annealed by the wire rod that step c1 is obtained;
C3, cooling/cleaning, the wire rod obtained to step c2 adopts deionized water cool and clean;
C4, drying, be dried to wire surface no liquid by wire rod obtained in step c3 and remain;
C5, take-up, furl the wire rod after step c4 process;
C6, inspection, test to the size of wire rod, outward appearance, percentage elongation carrying out step c5 take-up, its size should in the margin of tolerance, and outward appearance answers the defect of non-oxidation, burr, crackle, and percentage elongation should be more than or equal to 30% simultaneously;
C7, storage, to qualified wire rod after step c6 inspection temperature be-10 degrees Celsius, humidity is that 50%RH stores, underproof wire rod is scrapped;
D, third time wire drawing:
D1, to be adopted by the wire rod stored in step c7 750 meters of speed per minute to be final gauge or diameter of wire to diameter by wire stretching 1.5 times, this step can with entering to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft in drawing process;
D2, cleaning, cleaned by wire rod obtained in steps d 1, cleaning solution preferably adopts the mixed solution of common cleaning fluid and deionized water, and wherein the weight of cleaning fluid is 20% of solution gross weight;
D3, inspection, the wire rod obtained to steps d 2 is tested, and its resistance value should meet national standard, and outward appearance answers non-oxidation, burr, crackle;
D4, storage, be-10 degrees Celsius by the wire rod be up to the standards in steps d 1 in temperature, and humidity is that 60%RH stores, and what in steps d 1, inspection did not conform to scraps;
D5, annealing, adopt contactless method for annealing to the wire annealing stored in steps d 4, annealing temperature is 650 degrees Celsius;
E, the 4th wire drawing:
E1, to be adopted by the wire rod after annealing in process in steps d 5 650 meters of speed per minute blank to be stretched to diameter be final diameter, this step can with entering to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft in drawing process;
E2, cleaning, carry out cleaning by wire rod obtained in step e1 and dry, preferably adopts deionized water to clean wire rod, and employing compressed air carries out drying and namely blows to wire rod by compressed air and carry out drying;
E3, inspection, wire rod obtained in checking procedure e2, its resistance should meet national standard, and outward appearance answers non-oxidation, burr, crackle;
E4, storage, store for future use at normal temperatures by the wire rod be up to the standards in step e3, underproofly scraps;
F, japanning:
The temperature of f1, employing 700 degrees Celsius is annealed to the wire rod stored in step e4;
F2, clean, wire rod obtained in step f1 is carried out clean and dry;
F3, painting, paint to the wire rod after step f2 process;
F4, film curing, be cured the wire rod after step f3 process, and preferred solidifying priming paint temperature is 330 degrees Celsius, and topcoating cures temperature is 250 degrees Celsius, in solidification process the Trace speed of finish paint and priming paint be 250 meters per minute;
F5, measurement, measure the gauge or diameter of wire after step f4 process, and the wire rod that diameter is qualified proceeds following process, and the underproof wire rod of diameter is scrapped;
G, painting lubricant, wire surface qualified after measuring step f5 is coated with lubricant;
H, product inspection:
H1, first sample are checked, and the wire rod got after step g process is tested;
H2, finished product take-up, carry out take-up to wire rod obtained in step g after the assay was approved through step h1; After step h1 disqualified upon inspection, wire rod obtained in step g is scrapped;
H3, examination at random, inspect by random samples the wire rod after step g process in step h2 take-up process, and sampling observation length is 10% of wire rod total length.
The Production of Enamel Wires explained hereafter of the present embodiment is adopted to go out the tensile strength of wire rod, percentage elongation, softeningly puncture index and see the following form:
| Tensile strength N/mm 2 | Percentage elongation % | Softening to puncture DEG C | |
| Fine copper enamelled wire | ≥245 | ≥15 | ≥210 |
| Kufil enamelled wire | ≥345 | ≥28 | ≥300 |
As seen from the above table, the Production of Enamel Wires technique of the present embodiment is by adjusting the various process parameters in each step, make the tensile strength of enamelled wire, percentage elongation, the softening index such as to puncture obtains obvious improvement, ensure that enamelled wire other index while electric conductivity index meets the demands also can meet user demand, broaden the scope of application of enamelled wire, improve the quality of production of enamelled wire.
Embodiment three
Production of Enamel Wires technique, comprises the following steps successively:
A, blank prepare:
A1, buying blank;
A2, receiving inspection, whether the billet size in checking procedure a1 is in the margin of tolerance, and in checking procedure a1, whether blank outward appearance has the defect of oxidation, burr, crackle;
A3, blank store, will be up to the standards in step a2 and the blank temporarily do not processed temperature be 50 degrees Celsius, humidity is store in the environment of 70%RH;
B, first time wire drawing:
B1, adopt 550 meters of speed per minute to be final gauge or diameter of wire to diameter by the material extending in step a3 12 times, this step can be entered to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft together in drawing process;
B2, inspection, test to the obtained wire size of step b1 and outward appearance in drawing process, size should in the margin of tolerance, and outward appearance answers the defect of non-oxidation, burr, crackle;
B3, storage, the wire rod that step b2 is up to the standards temperature be 50 degrees Celsius, humidity is store for future use in the environment of 70%RH, underproof wire rod is scrapped;
C, second time wire drawing:
C1, adopt 550 meters of drawing speeds per minute to be final gauge or diameter of wire to diameter by the wire stretching stored in step b3 5 times, this step can with entering to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft in drawing process;
C2, the electric current of 28 amperes, the voltage of 27 volts and 500 meters of speed per minute are adopted to be annealed by the wire rod that step c1 is obtained;
C3, cooling/cleaning, the wire rod obtained to step c2 adopts deionized water cool and clean;
C4, drying, be dried to wire surface no liquid by wire rod obtained in step c3 and remain;
C5, take-up, furl the wire rod after step c4 process;
C6, inspection, test to the size of wire rod, outward appearance, percentage elongation carrying out step c5 take-up, its size should in the margin of tolerance, and outward appearance answers the defect of non-oxidation, burr, crackle, and percentage elongation should be more than or equal to 30% simultaneously;
C7, storage, to qualified wire rod after step c6 inspection temperature be 50 degrees Celsius, humidity is that 70%RH stores, underproof wire rod is scrapped;
D, third time wire drawing:
D1, to be adopted by the wire rod stored in step c7 850 meters of speed per minute to be final gauge or diameter of wire to diameter by wire stretching 2 times, this step can with entering to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft in drawing process;
D2, cleaning, cleaned by wire rod obtained in steps d 1, cleaning solution preferably adopts the mixed solution of common cleaning fluid and deionized water, and wherein the weight of cleaning fluid is 30% of solution gross weight;
D3, inspection, the wire rod obtained to steps d 2 is tested, and its resistance value should meet national standard, and outward appearance answers non-oxidation, burr, crackle;
D4, storage, be 50 degrees Celsius by the wire rod be up to the standards in steps d 1 in temperature, humidity is that 70%RH stores, and what in steps d 1, inspection did not conform to scraps;
D5, annealing, adopt contactless method for annealing to the wire annealing stored in steps d 4, annealing temperature is 750 degrees Celsius;
E, the 4th wire drawing:
E1, to be adopted by the wire rod after annealing in process in steps d 5 750 meters of speed per minute blank to be stretched to diameter be final diameter, this step can with entering to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft in drawing process;
E2, cleaning, carry out cleaning by wire rod obtained in step e1 and dry, preferably adopts deionized water to clean wire rod, and employing compressed air carries out drying and namely blows to wire rod by compressed air and carry out drying;
E3, inspection, wire rod obtained in checking procedure e2, its resistance should meet national standard, and outward appearance answers non-oxidation, burr, crackle;
E4, storage, store for future use at normal temperatures by the wire rod be up to the standards in step e3, underproofly scraps;
F, japanning:
The temperature of f1, employing 800 degrees Celsius is annealed to the wire rod stored in step e4;
F2, clean, wire rod obtained in step f1 is carried out clean and dry;
F3, painting, paint to the wire rod after step f2 process;
F4, film curing, be cured the wire rod after step f3 process, and preferred solidifying priming paint temperature is 430 degrees Celsius, and topcoating cures temperature is 350 degrees Celsius, in solidification process the Trace speed of finish paint and priming paint be 350 meters per minute;
F5, measurement, measure the gauge or diameter of wire after step f4 process, and the wire rod that diameter is qualified proceeds following process, and the underproof wire rod of diameter is scrapped;
G, painting lubricant, wire surface qualified after measuring step f5 is coated with lubricant;
H, product inspection:
H1, first sample are checked, and the wire rod got after step g process is tested;
H2, finished product take-up, carry out take-up to wire rod obtained in step g after the assay was approved through step h1; After step h1 disqualified upon inspection, wire rod obtained in step g is scrapped;
H3, examination at random, inspect by random samples the wire rod after step g process in step h2 take-up process, and sampling observation length is no less than 25% of wire rod total length.
The Production of Enamel Wires explained hereafter of the present embodiment is adopted to go out the tensile strength of wire rod, percentage elongation, softeningly puncture index and see the following form:
| Tensile strength N/mm 2 | Percentage elongation % | Softening to puncture DEG C | |
| Fine copper enamelled wire | ≥250 | ≥14 | ≥208 |
| Kufil enamelled wire | ≥350 | ≥27 | ≥285 |
As seen from the above table, the Production of Enamel Wires technique of the present embodiment is by adjusting the various process parameters in each step, make the tensile strength of enamelled wire, percentage elongation, the softening index such as to puncture obtains obvious improvement, ensure that enamelled wire other index while electric conductivity index meets the demands also can meet user demand, broaden the scope of application of enamelled wire, improve the quality of production of enamelled wire.
Embodiment four
Production of Enamel Wires technique, comprises the following steps successively:
A, blank prepare:
A1, buying blank;
A2, receiving inspection, whether the billet size in checking procedure a1 is in the margin of tolerance, and in checking procedure a1, whether blank outward appearance has the defect of oxidation, burr, crackle;
A3, blank store, will be up to the standards in step a2 and the blank temporarily do not processed temperature be 2 degrees Celsius, humidity is store in the environment of 65%RH;
B, first time wire drawing:
B1, adopt 520 meters of speed per minute to be final gauge or diameter of wire to diameter by the material extending in step a3 11 times, this step can be entered to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft together in drawing process;
B2, inspection, test to the obtained wire size of step b1 and outward appearance in drawing process, size should in the margin of tolerance, and outward appearance answers the defect of non-oxidation, burr, crackle;
B3, storage, the wire rod be up to the standards by step b2 stores for future use, and underproof wire rod is scrapped;
C, second time wire drawing:
C1, adopt 530 meters of drawing speeds per minute to be final gauge or diameter of wire to diameter by the wire stretching stored in step b3 3.5 times, this step can with entering to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft in drawing process;
C2, the electric current of 25 amperes, the voltage of 26 volts and 430 meters of speed per minute are adopted to be annealed by the wire rod that step c1 is obtained;
C3, cooling/cleaning, the wire rod obtained to step c2 adopts deionized water cool and clean;
C4, drying, be dried to wire surface no liquid by wire rod obtained in step c3 and remain;
C5, take-up, furl the wire rod after step c4 process;
C6, inspection, test to the size of wire rod, outward appearance, percentage elongation carrying out step c5 take-up, its size should in the margin of tolerance, and outward appearance answers the defect of non-oxidation, burr, crackle, and percentage elongation should be more than or equal to 30% simultaneously;
C7, storage, to qualified wire rod after step c6 inspection temperature be 5 degrees Celsius, humidity is that 55%RH stores, underproof wire rod is scrapped;
D, third time wire drawing:
D1, to be adopted by the wire rod stored in step c7 830 meters of speed per minute to be final gauge or diameter of wire to diameter by wire stretching 1.6 times, this step can with entering to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft in drawing process;
D2, cleaning, cleaned by wire rod obtained in steps d 1, cleaning solution preferably adopts the mixed solution of common cleaning fluid and deionized water, and wherein the weight of cleaning fluid is 22% of solution gross weight;
D3, inspection, the wire rod obtained to steps d 2 is tested, and its resistance value should meet national standard, and outward appearance answers non-oxidation, burr, crackle;
D4, storage, be 7 degrees Celsius by the wire rod be up to the standards in steps d 1 in temperature, humidity is that 66%RH stores, and what in steps d 1, inspection did not conform to scraps;
D5, annealing, adopt contactless method for annealing to the wire annealing stored in steps d 4, annealing temperature is 680 degrees Celsius;
E, the 4th wire drawing:
E1, to be adopted by the wire rod after annealing in process in steps d 5 730 meters of speed per minute blank to be stretched to diameter be final diameter, this step can with entering to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft in drawing process;
E2, cleaning, carry out cleaning and drying by wire rod obtained in step e1, preferably adopts deionized water to clean wire rod, adopts natural seasoning to carry out drying;
E3, inspection, wire rod obtained in checking procedure e2, its resistance should meet national standard, and outward appearance answers non-oxidation, burr, crackle;
E4, storage, store for future use at normal temperatures by the wire rod be up to the standards in step e3, underproofly scraps;
F, japanning:
The temperature of f1, employing 760 degrees Celsius is annealed to the wire rod stored in step e4;
F2, clean, wire rod obtained in step f1 is carried out clean and dry;
F3, painting, paint to the wire rod after step f2 process;
F4, film curing, be cured the wire rod after step f3 process, and preferred solidifying priming paint temperature is 420 degrees Celsius, and topcoating cures temperature is 280 degrees Celsius, in solidification process the Trace speed of finish paint and priming paint be 280 meters per minute;
F5, measurement, measure the gauge or diameter of wire after step f4 process, and the wire rod that diameter is qualified proceeds following process, and the underproof wire rod of diameter is scrapped;
G, painting lubricant, wire surface qualified after measuring step f5 is coated with lubricant;
H, product inspection:
H1, first sample are checked, and the wire rod got after step g process is tested;
H2, finished product take-up, carry out take-up to wire rod obtained in step g after the assay was approved through step h1; After step h1 disqualified upon inspection, wire rod obtained in step g is scrapped;
H3, examination at random, inspect by random samples the wire rod after step g process in step h2 take-up process, and sampling observation length is 17% of wire rod total length.
The Production of Enamel Wires explained hereafter of the present embodiment is adopted to go out the tensile strength of wire rod, percentage elongation, softeningly puncture index and see the following form:
| Tensile strength N/mm 2 | Percentage elongation % | Softening to puncture DEG C | |
| Fine copper enamelled wire | ≥243 | ≥16 | ≥205 |
| Kufil enamelled wire | ≥342 | ≥26 | ≥285 |
As seen from the above table, the Production of Enamel Wires technique of the present embodiment is by adjusting the various process parameters in each step, make the tensile strength of enamelled wire, percentage elongation, the softening index such as to puncture obtains obvious improvement, ensure that enamelled wire other index while electric conductivity index meets the demands also can meet user demand, broaden the scope of application of enamelled wire, improve the quality of production of enamelled wire.
Embodiment five
Production of Enamel Wires technique, comprises the following steps successively:
A, blank prepare:
A1, buying blank;
A2, receiving inspection, whether the billet size in checking procedure a1 is in the margin of tolerance, and in checking procedure a1, whether blank outward appearance has the defect of oxidation, burr, crackle;
A3, blank store, will be up to the standards in step a2 and the blank temporarily do not processed temperature be 25 degrees Celsius, humidity is store in the environment of 50%RH;
B, first time wire drawing:
B1, adopt 470 meters of speed per minute to be final gauge or diameter of wire to diameter by the material extending in step a3 9 times, this step can be entered to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft together in drawing process;
B2, inspection, test to the obtained wire size of step b1 and outward appearance in drawing process, size should in the margin of tolerance, and outward appearance answers the defect of non-oxidation, burr, crackle;
B3, storage, the wire rod that step b2 is up to the standards temperature be 25 degrees Celsius, humidity is store for future use in the environment of 50%RH, underproof wire rod is scrapped;
C, second time wire drawing:
C1, adopt 460 meters of drawing speeds per minute to be final gauge or diameter of wire to diameter by the wire stretching stored in step b3 4.7 times, this step can with entering to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft in drawing process;
C2, the electric current of 25 amperes, the voltage of 27 volts and 420 meters of speed per minute are adopted to be annealed by the wire rod that step c1 is obtained;
C3, cooling/cleaning, the wire rod obtained to step c2 adopts natural cooling cooling, adopts deionized water to clean wire rod;
C4, drying, be dried to wire surface no liquid by wire rod obtained in step c3 and remain;
C5, take-up, furl the wire rod after step c4 process;
C6, inspection, test to the size of wire rod, outward appearance, percentage elongation carrying out step c5 take-up, its size should in the margin of tolerance, and outward appearance answers the defect of non-oxidation, burr, crackle, and percentage elongation should be more than or equal to 30% simultaneously;
C7, storage, to qualified wire rod after step c6 inspection temperature be 25 degrees Celsius, humidity is that 53%RH stores, underproof wire rod is scrapped;
D, third time wire drawing:
D1, to be adopted by the wire rod stored in step c7 760 meters of speed per minute to be final gauge or diameter of wire to diameter by wire stretching 1.7 times, this step can with entering to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft in drawing process;
D2, cleaning, cleaned by wire rod obtained in steps d 1, cleaning solution preferably adopts the mixed solution of common cleaning fluid and deionized water, and wherein the weight of cleaning fluid is 22% of solution gross weight;
D3, inspection, the wire rod obtained to steps d 2 is tested, and its resistance value should meet national standard, and outward appearance answers non-oxidation, burr, crackle;
D4, storage, be 25 degrees Celsius by the wire rod be up to the standards in steps d 1 in temperature, humidity is that 62%RH stores, and what in steps d 1, inspection did not conform to scraps;
D5, annealing, adopt contactless method for annealing to the wire annealing stored in steps d 4, annealing temperature is 720 degrees Celsius;
E, the 4th wire drawing:
E1, to be adopted by the wire rod after annealing in process in steps d 5 660 meters of speed per minute blank to be stretched to diameter be final diameter, this step can with entering to carry out take-up to the wire rod after stretch processing, by the wire coil after stretch processing around on Wire winding shaft in drawing process;
E2, cleaning, carry out cleaning and drying by wire rod obtained in step e1, preferably adopts deionized water to clean wire rod, adopts natural seasoning to carry out drying to wire rod;
E3, inspection, wire rod obtained in checking procedure e2, its resistance should meet national standard, and outward appearance answers non-oxidation, burr, crackle;
E4, storage, store for future use at normal temperatures by the wire rod be up to the standards in step e3, underproofly scraps;
F, japanning:
The temperature of f1, employing 730 degrees Celsius is annealed to the wire rod stored in step e4;
F2, clean, wire rod obtained in step f1 is carried out clean and dry;
F3, painting, paint to the wire rod after step f2 process;
F4, film curing, be cured the wire rod after step f3 process, and preferred solidifying priming paint temperature is 380 degrees Celsius, and topcoating cures temperature is 280 degrees Celsius, in solidification process the Trace speed of finish paint and priming paint be 270 meters per minute;
F5, measurement, measure the gauge or diameter of wire after step f4 process, and the wire rod that diameter is qualified proceeds following process, and the underproof wire rod of diameter is scrapped;
G, painting lubricant, wire surface qualified after measuring step f5 is coated with lubricant;
H, product inspection:
H1, first sample are checked, and the wire rod got after step g process is tested;
H2, finished product take-up, carry out take-up to wire rod obtained in step g after the assay was approved through step h1; After step h1 disqualified upon inspection, wire rod obtained in step g is scrapped;
H3, examination at random, inspect by random samples the wire rod after step g process in step h2 take-up process, and sampling observation length is 15% of wire rod total length.
The Production of Enamel Wires explained hereafter of the present embodiment is adopted to go out the tensile strength of wire rod, percentage elongation, softeningly puncture index and see the following form:
| Tensile strength N/mm 2 | Percentage elongation % | Softening to puncture DEG C | |
| Fine copper enamelled wire | ≥243 | ≥12.5 | ≥211 |
| Kufil enamelled wire | ≥347 | ≥28 | ≥300 |
As seen from the above table, the Production of Enamel Wires technique of the present embodiment is by adjusting the various process parameters in each step, make the tensile strength of enamelled wire, percentage elongation, the softening index such as to puncture obtains obvious improvement, ensure that enamelled wire other index while electric conductivity index meets the demands also can meet user demand, broaden the scope of application of enamelled wire, improve the quality of production of enamelled wire.
These are only the preferred embodiment of the present invention, being intended to embody outstanding technique effect of the present invention and advantage, is not the restriction to technical scheme of the present invention.Those skilled in the art will appreciate that all amendments made based on the technology of the present invention content, change or substitute technology feature, all should be covered by the technology category of claims of the present invention opinion.
Claims (10)
1. Production of Enamel Wires technique, is characterized in that, comprises the following steps successively:
A, blank prepare:
A1, buying blank;
A2, receiving inspection, whether the billet size in checking procedure a1 is in the margin of tolerance, and in checking procedure a1, whether blank outward appearance has the defect of oxidation, burr, crackle;
The storage of a3, blank, will be up to the standards in step a2 and the blank temporarily do not processed stores;
B, first time wire drawing:
B1, adopt 450 meters to 550 meters speed per minute to be final gauge or diameter of wire to diameter by the material extending in step a3 8 ~ 12 times;
B2, inspection, test to the obtained wire size of step b1 and outward appearance in drawing process, size should in the margin of tolerance, and outward appearance answers the defect of non-oxidation, burr, crackle;
B3, storage, the wire rod be up to the standards by step b2 stores for future use, and underproof wire rod is scrapped;
C, second time wire drawing:
C1, adopt 450 meters to 550 meters drawing speeds per minute to be final gauge or diameter of wire to diameter by the wire stretching stored in step b3 3 ~ 5 times;
C2, the electric current of 22 amperes to 28 amperes, the voltage of 25 volts to 27 volts and 400 meters to 500 meters speed per minute are adopted to be annealed by the wire rod that step c1 is obtained;
C3, cooling/cleaning, the wire rod obtained to step c2 cools and cleans;
C4, drying, be dried to wire surface no liquid by wire rod obtained in step c3 and remain;
C5, take-up, furl the wire rod after step c4 process;
C6, inspection, test to the size of wire rod, outward appearance, percentage elongation carrying out step c5 take-up, its size should in the margin of tolerance, and outward appearance answers the defect of non-oxidation, burr, crackle, and percentage elongation should be more than or equal to 30% simultaneously;
C7, storage, store qualified wire rod after step c6 inspection, underproof wire rod is scrapped;
D, third time wire drawing:
D1, to be adopted by the wire rod stored in step c7 750 meters to 850 meters speed per minute to be final gauge or diameter of wire to diameter by wire stretching 1.5 ~ 2 times;
D2, cleaning, clean wire rod obtained in steps d 1;
D3, inspection, the wire rod obtained to steps d 2 is tested, and its resistance value should meet national standard, and outward appearance answers non-oxidation, burr, crackle;
D4, storage, store the wire rod be up to the standards in steps d 1, and what in steps d 1, inspection did not conform to scraps;
D5, annealing, adopt contactless method for annealing to the wire annealing stored in steps d 4, annealing temperature is 650 degrees Celsius to 750 degrees Celsius;
E, the 4th wire drawing:
E1, to be adopted by the wire rod after annealing in process in steps d 5 650 meters to 750 meters speed per minute blank to be stretched to diameter be final diameter;
E2, cleaning, carry out cleaning and drying by wire rod obtained in step e1;
E3, inspection, wire rod obtained in checking procedure e2, its resistance should meet national standard, and outward appearance answers non-oxidation, burr, crackle;
E4, storage, store for future use at normal temperatures by the wire rod be up to the standards in step e3, underproofly scraps;
F, japanning:
The temperature of f1, employing 700 degrees Celsius to 800 degrees Celsius is annealed to the wire rod stored in step e4;
F2, clean, wire rod obtained in step f1 is carried out clean and dry;
F3, painting, paint to the wire rod after step f2 process;
F4, film curing, be cured the wire rod after step f3 process;
F5, measurement, measure the gauge or diameter of wire after step f4 process, and the wire rod that diameter is qualified proceeds following process, and the underproof wire rod of diameter is scrapped;
G, painting lubricant, wire surface qualified after measuring step f5 is coated with lubricant;
H, product inspection:
H1, first sample are checked, and the wire rod got after step g process is tested;
H2, finished product take-up, carry out take-up to wire rod obtained in step g after the assay was approved through step h1; Through step
After h1 disqualified upon inspection, wire rod obtained in step g is scrapped;
H3, examination at random, inspect by random samples the wire rod after step g process in step h2 take-up process.
2. Production of Enamel Wires technique according to claim 1, is characterized in that: in the blank storage of described step a3 and b3, the temperature of storage condition is-10 degrees Celsius to 50 degrees Celsius, and humidity is 40%-70%RH.
3. Production of Enamel Wires technique according to claim 1, is characterized in that: described step b1, step c1, steps d 1, step e1, can furl while wire drawing to the wire rod after wire drawing process.
4. Production of Enamel Wires technique according to claim 3, is characterized in that: adopt deionized water to carry out cooling and cleaning in described step c3.
5. Production of Enamel Wires technique according to claim 1, is characterized in that: the temperature of the storage condition in described step c7 is-10 degrees Celsius to 50 degrees Celsius, and humidity is 40% to 70%RH.
6. Production of Enamel Wires technique according to claim 1, is characterized in that: in described steps d 2, the content of cleaning fluid is 20% to 30% of solution gross weight.
7. Production of Enamel Wires technique according to claim 1, is characterized in that: the temperature of the storage condition in described steps d 4 is-10 degrees Celsius to 50 degrees Celsius, and humidity is 40% to 70%RH.
8. Production of Enamel Wires technique according to claim 1, is characterized in that: adopt deionized water to clean in described step e2, adopts compressed air to carry out drying.
9. Production of Enamel Wires technique according to claim 1, it is characterized in that: in described step f4 solidification process, solidifying priming paint temperature is 330 degrees Celsius to 430 degrees Celsius, topcoating cures temperature is 250 degrees Celsius to 350 degrees Celsius, in solidification process the Trace speed of finish paint and priming paint be 250 meters per minute to 350 meters.
10. Production of Enamel Wires technique according to claim 1, is characterized in that: inspect in described step h3 that length is no less than wire rod total length by random samples 10%.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105655058A (en) * | 2015-12-30 | 2016-06-08 | 合肥星辰电线电缆股份有限公司 | Production process of enamelled wire |
| CN109065260A (en) * | 2018-07-25 | 2018-12-21 | 瑞安市中德电工器材有限公司 | A kind of enameled wire and its production technology |
| CN109192395B (en) * | 2018-09-18 | 2020-07-21 | 浙江郎立电工器材有限公司 | Manufacturing method of polyurethane enameled round copper wire |
| CN110675996B (en) * | 2019-10-16 | 2020-12-11 | 浙江三行电气科技有限公司 | Production, manufacturing and processing technology of enameled wire |
| CN110828064A (en) * | 2019-10-17 | 2020-02-21 | 湖州双龙线缆有限公司 | Miniature enameled wire and production process thereof |
| CN111370182B (en) * | 2020-04-14 | 2021-09-28 | 中天智能装备有限公司 | Production process of UV (ultraviolet) overhead conductor enameled wire |
| CN111446044B (en) * | 2020-04-14 | 2021-12-14 | 中天智能装备有限公司 | Production process of UV aluminum wire enameled wire |
| CN112620386A (en) * | 2020-11-25 | 2021-04-09 | 浙江三行电气科技有限公司 | Production process of enameled wire |
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| CN202815563U (en) * | 2012-09-25 | 2013-03-20 | 珠海市一致电工有限公司 | Enamelled wire production monitoring system |
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| JP2008001933A (en) * | 2006-06-21 | 2008-01-10 | Hitachi Cable Ltd | Copper alloy material, copper alloy conductor and its production method, trolley wire for overhead contact wire, and cable |
| WO2008053897A1 (en) * | 2006-10-30 | 2008-05-08 | Autonetworks Technologies, Ltd. | Wire conductor and process for producing the same |
| CN202815563U (en) * | 2012-09-25 | 2013-03-20 | 珠海市一致电工有限公司 | Enamelled wire production monitoring system |
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