CN108866590A - A kind of nonmagnetic welding wire and its manufacturing process - Google Patents
A kind of nonmagnetic welding wire and its manufacturing process Download PDFInfo
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- CN108866590A CN108866590A CN201810601752.1A CN201810601752A CN108866590A CN 108866590 A CN108866590 A CN 108866590A CN 201810601752 A CN201810601752 A CN 201810601752A CN 108866590 A CN108866590 A CN 108866590A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
- C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
- C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/06—Wires; Strips; Foils
- C25D7/0607—Wires
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- Chemical Kinetics & Catalysis (AREA)
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- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
A kind of nonmagnetic welding wire and its manufacturing process, including stainless steel wire conductor, package is equipped with the first nickel coating on the outside of the stainless steel wire conductor, and package is equipped with copper plate on the outside of first nickel coating, is equipped with the second nickel coating on the outside of the copper plate, concrete technology is：Step 1, selection；Step 2, heat treatment；The first nickel coating is electroplated in step 3；Copper plate is electroplated in step 4；The second nickel coating is electroplated in step 5, completes finished product and is packaged.The present invention is by optimized production process, so that coating is more uniformly smooth, and is protected using duplex nickel plating, improves product and improves service performance.
Description
Technical field
The present invention relates to lead production technical field, in particular to a kind of manufacturing process of nonmagnetic welding wire.
Background technique
Nickel plating copper covered steel wire is a kind of more metal compound wires widely applied in electronics industry, due to nickel plating copper clad steel
Line has the corrosion resistance of the high conductivity of copper wire and the high intensity of steel wire, bending and nickel coating concurrently, and has at high temperature certain
Inoxidizability, while it has superior weldability again, welds a little securely, advantage of lower cost, therefore gradually replaced tin plating
Copper wire applied to the lead of electronic component, wire jumper, binding post, core wire of radio-frequency cable etc., and has become communication, electronics, electric power
Ideal wire in industry.
However usually there is coating and easily occur removing or being worn quickly in the processing technology of existing nickel plating copper covered steel wire
Fall, influences its service life and performance.
Summary of the invention
The purpose of the present invention is to provide a kind of manufacturing process of nonmagnetic welding wire, ask for solving above-mentioned technology
Topic, has the characteristics that coating uniform smooth, service performance are excellent.
Technical problem solved by the invention can be realized using following technical scheme：
A kind of manufacturing process of nonmagnetic welding wire, includes the following steps：Step 1, selection, selection stainless steel wire are ground,
Stainless steel wire is subjected to surface cleaning processing, including oxide layer, deburring and spot cleaning, is then dried, into wire drawing machine
It is drawn to the line footpath size of processing specification requirement；Step 2, heat treatment, specially：2.1, it anneals, by the stainless steel wire after drawing
It completes to make annealing treatment by annealing furnace, to eliminate the internal stress generated after drawing；2.3, it quenches and is tempered, it will be stainless after pickling
Steel wire completes heating by induction heating apparatus, and antipyretic temperature is 940 DEG C ~ 980 DEG C, and heating time is 8s ~ 12s, passes through cooling
Oil sump completes cooling, completes to clean subsequently through ultrasonic cleaning pond, then completes tempering by tempering furnace；Step 3,
The first nickel coating is electroplated, specially：3.1, the stainless steel wire after heat treatment is completed online throw by polissoir by polished and cleaned
Light reduces surface roughness；3.2, the stainless steel wire after polishing is completed pickling by pickling solution, completes surface cleaning by pickling
It handles and activates stainless steel wire；3.3, be electroplated, by stainless steel wire immerse nickel aminosulfonic bath in, concentration be 30 ~
Nickel chloride and nickel plate are just added in nickel aminosulfonic bath, is produced into nickel plating stainless steel wire semi-finished product, nickel plating layer thick by 80g/L
It is 1 ~ 2 μm；3.4, nickel plating stainless steel wire semi-finished product are carried out clear water flushing by cleaning, remove nickel sulfamic acid plating remained on surface
Liquid；Copper plate is electroplated, specially in step 4：4.1, copper pre-plating carries out the nickel plating stainless steel wire semi-finished product after cleaning without cyanogen alkali
Copper electrolyte preplating is formed as copper pre-plating nickel coating stainless steel wire, then cleans copper pre-plating nickel coating stainless steel wire, passes through
Clear water rinses, and removes no cyanogen alkali copper electrolyte remained on surface；4.2, copper pre-plating nickel coating stainless steel wire is immersed sulfuric acid by main copper facing
In copper electrolyte, concentration is 100 ~ 200g/L, is produced into plating copper and nickel stainless steel wire semi-finished product, and thickness of coated copper layer is 3 ~ 6 μm；4.3,
Passivation Treatment is passivated processing to plating copper and nickel stainless steel wire semi-finished product with antioxidant, prevents from aoxidizing；4.4, it dries, it will
Plating copper and nickel stainless steel wire semi-finished product after Passivation Treatment are dried；The second nickel coating is electroplated, specially in step 5：5.1,
Plating copper and nickel stainless steel wire semi-finished product after Passivation Treatment are completed pickling by pickling solution by pickling, and removal plating copper and nickel is stainless
Then steel wire semi-finished product surface layer oxide film carries out clear water flushing, removes remaining pickling solution；5.2, it is electroplated, stainless steel wire is soaked
Enter in nickel aminosulfonic bath, concentration is 30 ~ 80g/L, and nickel chloride and nickel plate is just added in nickel aminosulfonic bath, is produced into plating
Nickel plating copper and nickel stainless steel wire, nickel plating layer thick are 3 ~ 9 μm；5.3, it cleans, nickel plating stainless steel wire semi-finished product is subjected to clear water punching
It washes, removes nickel aminosulfonic bath remained on surface；5.4, drying is packaged, by cleaned nickel-plated and copper-plated plating nickel and stainless steel
Silk is dried, and is completed finished product and is packaged.
In step 3 acid-wash activation handle, acid-wash activation use pickling liquid level 2.5% ~ 4.5% hydrochloric acid and 6% ~ 8% sulphur
The mixed acid aqueous solution of acid, at 20 DEG C ~ 30 DEG C, the time is 100s ~ 120s for temperature control when activation.
It is electroplated in step 3, the concentration of nickel aminosulfonic bath is 40 ~ 50g/L.
Polishing treatment in step 3, polishing require to be that stainless steel wire surface roughness Ra is not more than 10 μm.
Copper pre-plating in step 4, the thickness control of copper pre-plating is at 0.3 ~ 0.8 μm.
Main copper facing in step 4, copper sulfate bath concentration are 160 ~ 180g/L.
Pickling in step 5, pickling solution use sulfuric acid concentration for 4% ~ 6% aqueous sulfuric acid, and pickling temperature is 25 DEG C ~ 35
DEG C, the time is 60s ~ 100s.
It is electroplated in step 5, the concentration of nickel aminosulfonic bath is 60 ~ 80g/L.
A kind of nonmagnetic welding wire, including stainless steel wire conductor, stainless steel wire conductor outside package are equipped with first
Nickel coating, the first nickel coating outside package are equipped with copper plate, are equipped with the second nickel coating on the outside of the copper plate.
For first nickel plating layer thick having a size of 1.5 ~ 1.8 μm, the thickness of coated copper layer is described having a size of 4.5 ~ 5.5 μm
Second nickel plating layer thick is having a size of 7.5 ~ 8.5 μm.
The present invention has following outstanding advantages and effect compared with prior art：The present invention is made by optimized production process
It is more uniformly smooth to obtain coating, and protect using duplex nickel plating, improves product and improve service performance.
The features of the present invention sees the detailed description of the drawings of the present case and following preferable embodiment and obtains clearly
Solution.
Detailed description of the invention
Fig. 1 is schematic cross-sectional view of the invention；
Wherein, 1, stainless steel wire conductor；2, the first nickel coating；3, copper plate；4, the second nickel coating.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Embodiment 1
As shown in Figure 1, the present invention provides a kind of nonmagnetic welding wire, including stainless steel wire conductor 1, the stainless steel wire are led
Package is equipped with the first nickel coating 2 on the outside of body 1, and package is equipped with copper plate 3,3 outside of copper plate on the outside of first nickel coating 2
Equipped with the second nickel coating 4；First nickel coating, the 2 thickness preferred size is 1.5 ~ 1.8 μm, the preferred ruler of 3 thickness of copper plate
Very little is 4.5 ~ 5.5 μm, and the 4 thickness preferred size of the second nickel coating is 7.5 ~ 8.5 μm.
Wherein, internal to use stainless steel wire for conductor, integral strength performance can be improved, by adding relatively thin penetralia
Corrosion resistance can be enhanced while carrying out raising electric conductivity in nickel coating, convenient for protecting internal stainless steel wire；
Copper plate is located at the second layer, for improving monolithic conductive performance, enhances service performance；Outermost is carried out using thicker nickel coating
Outer guard improves corrosion resistance, and ensures monolithic conductive efficiency.
Embodiment 2
Based on embodiment 1, the nonmagnetic welding wire being used to prepare in embodiment 1, manufacturing process is：
Step 1, selection, selection stainless steel wire are ground, stainless steel wire are carried out surface cleaning processing, including oxide layer, go
Burr and spot cleaning, then dry, the line footpath size of processing specification requirement are drawn into wire drawing machine；
Step 2, heat treatment, specially：
2.1, it anneals, the stainless steel wire after drawing is completed into annealing by annealing furnace, in eliminating and generating after drawing
Stress, while convenient for refinement internal grain, pretreatment, which is done, for subsequent quenching prepares；
2.2, quench and be tempered, by stainless steel wire after pickling by induction heating apparatus complete heating, antipyretic temperature be 940 DEG C ~
980 DEG C, heating time is 8s ~ 12s, completes cooling by cooling oil sump, completes to clean subsequently through ultrasonic cleaning pond, then
Tempering is completed by tempering furnace, the hardness and performance of stainless steel wire is improved, converts tempered martensite for its interior tissue
Tissue；
The first nickel coating is electroplated, specially in step 3：
3.1, the stainless steel wire after heat treatment is completed online polishing by polissoir, reduces surface roughness by polished and cleaned,
Polishing requires to be that stainless steel wire surface roughness Ra is not more than 10 μm；Optimization uses polishing process, and its object is to reduce surface
Roughness is evenly distributed to be conducive to electric current in coating surface, to generate disperse crystallization and obtain careful smooth surface
Coating；
3.2, the stainless steel wire after polishing is completed pickling by pickling solution by pickling, completes surface cleaning processing and by stainless steel
Silk activated, acid-wash activation processing, acid-wash activation use pickling liquid level 3.5% hydrochloric acid and 6.5% sulfuric acid mixed acid
Aqueous solution, temperature control is at 25 DEG C when activation, time 110s；
3.3, it is electroplated, stainless steel wire is immersed in nickel aminosulfonic bath, concentration 40g/L, just added in nickel aminosulfonic bath
Entering nickel chloride and nickel plate, is produced into nickel plating stainless steel wire semi-finished product, nickel plating layer thick is 1.5 μm, and wherein nickel chloride is activator,
Be conducive to improve nickel plating efficiency；
3.4, nickel plating stainless steel wire semi-finished product are carried out clear water flushing, remove nickel aminosulfonic bath remained on surface by cleaning；
Copper plate is electroplated, specially in step 4：
4.1, copper pre-plating carries out the nickel plating stainless steel wire semi-finished product after cleaning to be formed as copper pre-plating without cyanogen alkali copper electrolyte preplating
Then copper pre-plating nickel coating stainless steel wire is cleaned, is rinsed by clear water by nickel coating stainless steel wire, remove remained on surface
Without cyanogen alkali copper electrolyte, the thickness control of copper pre-plating, can be in order to improving subsequent main plating using no cyanogen alkali copper electrolyte preplating at 0.5 μm
The coat binding strength of copper improves coating quality；
4.2, main copper facing immerses copper pre-plating nickel coating stainless steel wire in copper sulfate bath, and concentration is 100 ~ 200g/L, is produced into
Plating copper and nickel stainless steel wire semi-finished product, thickness of coated copper layer are 4.5 μm；
4.3, Passivation Treatment is passivated processing to plating copper and nickel stainless steel wire semi-finished product with antioxidant, prevents from aoxidizing, avoid
There is subsequent oxidative corrosion, improves coating quality, antioxidant uses the alcohol water blend containing benzotriazole, and concentration is 4 ~
8g/L；
4.4, it dries, the plating copper and nickel stainless steel wire semi-finished product after Passivation Treatment is dried；
The second nickel coating is electroplated, specially in step 5：
5.1, the plating copper and nickel stainless steel wire semi-finished product after Passivation Treatment are completed pickling by pickling solution, remove copper facing by pickling
Then nickel plating stainless steel wire semi-finished product surface layer oxide film carries out clear water flushing, remove remaining pickling solution, and pickling solution uses sulfuric acid
The aqueous sulfuric acid that concentration is 4.5%, pickling temperature are 30 DEG C, time 60s；
5.2, it is electroplated, stainless steel wire is immersed in nickel aminosulfonic bath, concentration 70g/L, just added in nickel aminosulfonic bath
Entering nickel chloride and nickel plate, is produced into nickel-plated and copper-plated nickel plating stainless steel wire, nickel plating layer thick is 8 μm, and wherein nickel chloride is activator,
Be conducive to improve nickel plating efficiency；
5.3, it cleans, nickel plating stainless steel wire semi-finished product is subjected to clear water flushing, remove nickel aminosulfonic bath remained on surface；
5.4, drying is packaged, and cleaned nickel-plated and copper-plated nickel plating stainless steel wire is dried, and is completed finished product and is packaged.
Embodiment 3
Based on embodiment 1, the nonmagnetic welding wire being used to prepare in embodiment 1, manufacturing process is：
Step 1, selection, selection stainless steel wire are ground, stainless steel wire are carried out surface cleaning processing, including oxide layer, go
Burr and spot cleaning, then dry, the line footpath size of processing specification requirement are drawn into wire drawing machine；
Step 2, heat treatment, specially：
2.1, it anneals, the stainless steel wire after drawing is completed into annealing by annealing furnace, in eliminating and generating after drawing
Stress, while convenient for refinement internal grain, pretreatment, which is done, for subsequent quenching prepares；
2.2, quench and be tempered, by stainless steel wire after pickling by induction heating apparatus complete heating, antipyretic temperature be 940 DEG C ~
980 DEG C, heating time is 8s ~ 12s, completes cooling by cooling oil sump, completes to clean subsequently through ultrasonic cleaning pond, then
Tempering is completed by tempering furnace, the hardness and performance of stainless steel wire is improved, converts tempered martensite for its interior tissue
Tissue；
The first nickel coating is electroplated, specially in step 3：
3.1, the stainless steel wire after heat treatment is completed online polishing by polissoir, reduces surface roughness by polished and cleaned,
Polishing requires to be that stainless steel wire surface roughness Ra is not more than 10 μm；Optimization uses polishing process, and its object is to reduce surface
Roughness is evenly distributed to be conducive to electric current in coating surface, to generate disperse crystallization and obtain careful smooth surface
Coating；
3.2, the stainless steel wire after polishing is completed pickling by pickling solution by pickling, completes surface cleaning processing and by stainless steel
Silk activated, acid-wash activation processing, acid-wash activation use pickling liquid level 4% hydrochloric acid and 8% sulfuric acid mixing acid washing water
Solution, temperature control is at 25 DEG C when activation, time 100s；
3.3, it is electroplated, stainless steel wire is immersed in nickel aminosulfonic bath, concentration 60g/L, just added in nickel aminosulfonic bath
Entering nickel chloride and nickel plate, is produced into nickel plating stainless steel wire semi-finished product, nickel plating layer thick is 1.8 μm, and wherein nickel chloride is activator,
Be conducive to improve nickel plating efficiency；
3.4, nickel plating stainless steel wire semi-finished product are carried out clear water flushing, remove nickel aminosulfonic bath remained on surface by cleaning；
Copper plate is electroplated, specially in step 4：
4.1, copper pre-plating carries out the nickel plating stainless steel wire semi-finished product after cleaning to be formed as copper pre-plating without cyanogen alkali copper electrolyte preplating
Then copper pre-plating nickel coating stainless steel wire is cleaned, is rinsed by clear water by nickel coating stainless steel wire, remove remained on surface
Without cyanogen alkali copper electrolyte, the thickness control of copper pre-plating, can be in order to improving subsequent main plating using no cyanogen alkali copper electrolyte preplating at 0.5 μm
The coat binding strength of copper improves coating quality；
4.2, main copper facing immerses copper pre-plating nickel coating stainless steel wire in copper sulfate bath, and concentration 180g/L is produced into copper facing
Nickel plating stainless steel wire semi-finished product, thickness of coated copper layer are 5 μm；
4.3, Passivation Treatment is passivated processing to plating copper and nickel stainless steel wire semi-finished product with antioxidant, prevents from aoxidizing, avoid
There is subsequent oxidative corrosion, improves coating quality, antioxidant uses the alcohol water blend containing benzotriazole, and concentration is 4 ~
8g/L；
4.4, it dries, the plating copper and nickel stainless steel wire semi-finished product after Passivation Treatment is dried；
The second nickel coating is electroplated, specially in step 5：
5.1, the plating copper and nickel stainless steel wire semi-finished product after Passivation Treatment are completed pickling by pickling solution, remove copper facing by pickling
Then nickel plating stainless steel wire semi-finished product surface layer oxide film carries out clear water flushing, remove remaining pickling solution, and pickling solution uses sulfuric acid
The aqueous sulfuric acid that concentration is 6%, pickling temperature are 25 DEG C, time 80s；
5.2, it is electroplated, stainless steel wire is immersed in nickel aminosulfonic bath, concentration 80g/L, just added in nickel aminosulfonic bath
Enter nickel chloride and nickel plate, be produced into nickel-plated and copper-plated nickel plating stainless steel wire, nickel plating layer thick is 8.5 μm, and wherein nickel chloride is activation
Agent is conducive to improve nickel plating efficiency；
5.3, it cleans, nickel plating stainless steel wire semi-finished product is subjected to clear water flushing, remove nickel aminosulfonic bath remained on surface；
5.4, drying is packaged, and cleaned nickel-plated and copper-plated nickel plating stainless steel wire is dried, and is completed finished product and is packaged.
The present invention is by optimized production process, so that coating is more uniformly smooth, and is protected using duplex nickel plating, improves
Product improves service performance.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (10)
1. a kind of manufacturing process of nonmagnetic welding wire, which is characterized in that include the following steps：
Step 1, selection, selection stainless steel wire are ground, stainless steel wire are carried out surface cleaning processing, including oxide layer, go
Burr and spot cleaning, then dry, the line footpath size of processing specification requirement are drawn into wire drawing machine；
Step 2, heat treatment, specially：
2.1, it anneals, the stainless steel wire after drawing is completed into annealing by annealing furnace, in eliminating and generating after drawing
Stress；
2.2, quench and be tempered, by stainless steel wire after pickling by induction heating apparatus complete heating, heating temperature be 940 DEG C ~
980 DEG C, heating time is 8s ~ 12s, completes cooling by cooling oil sump, completes to clean subsequently through ultrasonic cleaning pond, then
Tempering is completed by tempering furnace；
The first nickel coating is electroplated, specially in step 3：
3.1, the stainless steel wire after heat treatment is completed online polishing by polissoir, reduces surface roughness by polished and cleaned；
3.2, the stainless steel wire after polishing is completed pickling by pickling solution by pickling, completes surface cleaning processing and by stainless steel
Silk is activated；
3.3, it is electroplated, stainless steel wire is immersed in nickel aminosulfonic bath, concentration is 30 ~ 80g/L, in nickel aminosulfonic bath just
Nickel chloride and nickel plate is added, is produced into nickel plating stainless steel wire semi-finished product, nickel plating layer thick is 1 ~ 2 μm；
3.4, nickel plating stainless steel wire semi-finished product are carried out clear water flushing, remove nickel aminosulfonic bath remained on surface by cleaning；
Copper plate is electroplated, specially in step 4：
4.1, copper pre-plating carries out the nickel plating stainless steel wire semi-finished product after cleaning to be formed as copper pre-plating without cyanogen alkali copper electrolyte preplating
Then copper pre-plating nickel coating stainless steel wire is cleaned, is rinsed by clear water by nickel coating stainless steel wire, remove remained on surface
Without cyanogen alkali copper electrolyte；
4.2, main copper facing immerses copper pre-plating nickel coating stainless steel wire in copper sulfate bath, and concentration is 100 ~ 200g/L, is produced into
Plating copper and nickel stainless steel wire semi-finished product, thickness of coated copper layer are 3 ~ 6 μm；
4.3, Passivation Treatment is passivated processing to plating copper and nickel stainless steel wire semi-finished product with antioxidant, prevents from aoxidizing；
4.4, it dries, the plating copper and nickel stainless steel wire semi-finished product after Passivation Treatment is dried；
The second nickel coating is electroplated, specially in step 5：
5.1, the plating copper and nickel stainless steel wire semi-finished product after Passivation Treatment are completed pickling by pickling solution, remove copper facing by pickling
Then nickel plating stainless steel wire semi-finished product surface layer oxide film carries out clear water flushing, removes remaining pickling solution；
5.2, it is electroplated, stainless steel wire is immersed in nickel aminosulfonic bath, concentration is 30 ~ 80g/L, in nickel aminosulfonic bath just
Nickel chloride and nickel plate is added, is produced into nickel-plated and copper-plated nickel plating stainless steel wire, nickel plating layer thick is 3 ~ 9 μm；
5.3, it cleans, nickel plating stainless steel wire semi-finished product is subjected to clear water flushing, remove nickel aminosulfonic bath remained on surface；
5.4, drying is packaged, and cleaned nickel-plated and copper-plated nickel plating stainless steel wire is dried, and is completed finished product and is packaged.
2. a kind of manufacturing process of nonmagnetic welding wire according to claim 1, it is characterised in that：Pickling in step 3
Be activated, acid-wash activation use pickling liquid level 2.5% ~ 4.5% hydrochloric acid and 6% ~ 8% sulfuric acid mixed acid aqueous solution,
At 20 DEG C ~ 30 DEG C, the time is 100s ~ 120s for temperature control when activation.
3. a kind of manufacturing process of nonmagnetic welding wire according to claim 1, it is characterised in that：It is electric in step 3
Plating, the concentration of nickel aminosulfonic bath are 40 ~ 50g/L.
4. a kind of manufacturing process of nonmagnetic welding wire according to claim 1, it is characterised in that：It is polished in step 3
Processing, polishing require to be that stainless steel wire surface roughness Ra is not more than 10 μm.
5. a kind of manufacturing process of nonmagnetic welding wire according to claim 1, it is characterised in that：Preplating in step 4
Copper, the thickness control of copper pre-plating is at 0.3 ~ 0.8 μm.
6. a kind of manufacturing process of nonmagnetic welding wire according to claim 1, it is characterised in that：Main plating in step 4
Copper, copper sulfate bath concentration are 160 ~ 180g/L.
7. a kind of manufacturing process of nonmagnetic welding wire according to claim 1, it is characterised in that：It is sour in step 5
It washes, pickling solution uses sulfuric acid concentration for 4% ~ 6% aqueous sulfuric acid, and pickling temperature is 25 DEG C ~ 35 DEG C, and the time is 60s ~ 100s.
8. a kind of manufacturing process of nonmagnetic welding wire according to claim 1, it is characterised in that：It is electric in step 5
Plating, the concentration of nickel aminosulfonic bath are 60 ~ 80g/L.
9. a kind of nonmagnetic welding wire, it is characterised in that：Including stainless steel wire conductor, package on the outside of the stainless steel wire conductor
Equipped with the first nickel coating, package is equipped with copper plate on the outside of first nickel coating, is equipped with the second nickel coating on the outside of the copper plate.
10. a kind of nonmagnetic welding wire according to claim 9, it is characterised in that：The first nickel plating layer thick ruler
Very little is 1.5 ~ 1.8 μm, and the thickness of coated copper layer is having a size of 4.5 ~ 5.5 μm, and second nickel plating layer thick is having a size of 7.5 ~ 8.5 μ
m。
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| CN201810601752.1A CN108866590A (en) | 2018-06-12 | 2018-06-12 | A kind of nonmagnetic welding wire and its manufacturing process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109518500A (en) * | 2018-12-20 | 2019-03-26 | 无锡通用钢绳有限公司 | A kind of nickel-plated steel cord and its production technology |
| CN111326286A (en) * | 2019-09-30 | 2020-06-23 | 东莞市久复凯五金制品有限公司 | Antenna spring and preparation method thereof |
| CN112538646A (en) * | 2020-11-20 | 2021-03-23 | 德清县豪鹰金属制品有限公司 | Wear-resistant corrosion-resistant electroplating process for steel wire |
| CN113089349A (en) * | 2021-03-09 | 2021-07-09 | 常州上友电力科技有限公司 | Production process of copper-plated steel strand |
| CN114709026A (en) * | 2022-03-30 | 2022-07-05 | 合隆防爆电气有限公司 | Acid-free and alkali-free copper-clad steel processing technology |
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| CN112538646A (en) * | 2020-11-20 | 2021-03-23 | 德清县豪鹰金属制品有限公司 | Wear-resistant corrosion-resistant electroplating process for steel wire |
| CN113089349A (en) * | 2021-03-09 | 2021-07-09 | 常州上友电力科技有限公司 | Production process of copper-plated steel strand |
| CN114709026A (en) * | 2022-03-30 | 2022-07-05 | 合隆防爆电气有限公司 | Acid-free and alkali-free copper-clad steel processing technology |
| CN114709026B (en) * | 2022-03-30 | 2024-01-30 | 合隆防爆电气有限公司 | Copper-clad steel processing technology without acid and alkali participation |
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