CN105839158A - Continuous electroplating technology - Google Patents
Continuous electroplating technology Download PDFInfo
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- CN105839158A CN105839158A CN201610333013.XA CN201610333013A CN105839158A CN 105839158 A CN105839158 A CN 105839158A CN 201610333013 A CN201610333013 A CN 201610333013A CN 105839158 A CN105839158 A CN 105839158A
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- plating
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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
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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
- C25D5/54—Electroplating of non-metallic surfaces
- C25D5/56—Electroplating of non-metallic surfaces of plastics
Abstract
The invention discloses a continuous electroplating technology. The continuous electroplating technology comprises the following steps that firstly, ultrasonic degreasing is conducted, and grease on the surface of a workpiece to be electroplated is removed; secondly, electrolysis oil removing is conducted, and oily substances on the surface of the workpiece to be electroplated are further removed; thirdly, acid activation is conducted, the surface of the workpiece to be electroplated is activated, and the subsequent electroplating efficiency is improved; fourthly, nickel plating is conducted, rapid nickel plating is achieved, and nickel can serve as bottoming tin and can also serve as golden light nickel; fifthly, gold plating is conducted, and rapid gold plating is achieved; sixthly, tin plating is conducted, rapid and high-strength tin plating is achieved, and especially after water-soluble fiber is added, fastness of a tin plating layer is better; seventhly, ultrasonic hot water cleaning is conducted, and cleaning of the surface of the plating layer is achieved; eighthly, hole sealing is conducted, hole sealing operation is conducted on a small hole of the plating layer, and accordingly, the anti-corrosion capability of the plating layer is improved; and ninthly, drying is conducted, and a final product is obtained after drying. By means of the continuous electroplating technology, multiple kinds of metal can be electroplated at the same time.
Description
Technical field
The present invention relates to field of electroplating, particularly to a kind of continuous plating process.
Background technology
Plated item have concurrently plastics lightweight, corrosion resistance good, easy-formation and the organic solvent-resistant of metal, resistance to illumination, metal light
The advantages such as pool, heat conductivity, electric conductivity, electromagnetic shielding, easy welding, at row such as automobile, motorcycle, five metals, electronics, communications
Industry is extensively applied.
The most single plating can not meet the requirement of client, and present plastic needs to electroplate various metals simultaneously, with
Meet the demand of product；But due to the respective characteristic of various metals, often on workpiece, electroplate several metal simultaneously and be difficult to.
Summary of the invention
It is an object of the invention to provide a kind of continuous plating process, can realize electroplating various metals simultaneously.
The above-mentioned purpose of the present invention can use following technical proposal to realize:
Continuous plating process, comprises the following steps: (1) ultrasonic degreasing: using alkaline solution, composition is surfactant
Sulfonate mass fraction 1-5%, the sodium hydroxide 20-30% of fatty acid methyl ester ethoxylate, remaining is water, during ultrasonic degreasing
Between be 3-5min, this step can realize the removal of unplated piece surface oils and fats；(2) electrolytic degreasing: with unplated piece as anode, with not
Rust steel plate is negative electrode, and in the solution environmental that pH value is 8-14, by unidirectional current, electric current density is 5-15A/dm2, solution temperature
Degree is for 60-80 DEG C, and solution composition is the sulfonate mass fraction 1-5% of surfactant fatty acid FMEE, hydrogen-oxygen
Changing sodium 20-30%, remaining is water, and the electrolytic degreasing time is 3-5min, and this step realizes removing further the oiliness thing on unplated piece surface
Matter；(3) acid activation: use immersion treatment 6-10min under mass concentration 2-5% sulphuric acid room temperature to activate, this step activation is treated
Plating piece surface, improves the efficiency of follow-up plating；(4) nickel plating: temperature 50-60 DEG C, electricity in the nickel-plating liquid of pH value 3.8-4.5
Current density 2-6A/dm2Carry out Nickel Plating Treatment 40-50min, nickel plating concentration is nickel sulfate 260-320g/L, Nickel dichloride. 38-53g/L,
Boric acid 38-50g/L, softening agent propinyl sodium sulfonate 2-3mg/L, walk agent sodium allylsulfonate 1-2mg/L, it is achieved quickly plates
Nickel, can be as bottoming nickel, it is also possible to as golden light nickel；(5) gold-plated: in the gold plating liquid of pH value 3.8-4.5 temperature 50-60 DEG C,
Electric current density 2-6A/dm2Carry out gold-plated process 40-50min, gold-plated concentration be gold salt 70-100g/L, citric acid 30-60g/L,
Softening agent propinyl sodium sulfonate 2-3mg/L, walk agent sodium allylsulfonate 1-2mg/L, it is achieved the most gold-plated；(6) tin plating:
Temperature 50-60 DEG C, electric current density 2-6A/dm in the tin plating electrolyte of pH value 3.8-4.52Carry out tin plating process 40-50min, tin plating dense
Degree is for tin methane sulfonate 30-50g/L, pyrovinic acid 10-20g/L, softening agent propinyl sodium sulfonate 2-3mg/L, walk agent pi-allyl
Sodium sulfonate 1-2mg/L, reinforcing agent water-soluble fibre, content is 0.2g/L-10g/L, a length of 2-4mm, it is achieved quick, high-strength
Spending tin plating, after water-soluble fibre, the fastness of tin coating is more preferable；(7) ultrasound wave hot water cleans, it is achieved coating
The cleaning on surface；(8) sealing of hole, carries out sealing of hole operation to the aperture of coating, to improve the anti-corrosion ability of coating；(9) dry
Dry, become final products after drying.
Preferably, ultrasonic degreasing is carried out by following operation: (A1) ultrasonic degreasing；(A2) industry air knife processes 5-10min；
(A3) cleaning 6-10min, water temperature 50-70 DEG C in 100% pure water are immersed；Ultrasonic degreasing operation A1-A3 at least circulates 1
Secondary, to guarantee that ultrasonic degreasing is thorough.
Preferably, electrolytic degreasing is carried out by following operation: (A1) electrolytic degreasing；(A2) industry air knife processes 5-10min；
(A3) cleaning 6-10min, water temperature 50-70 DEG C in 100% pure water are immersed；Electrolytic degreasing operation A1-A3 at least circulates 1 time,
To guarantee that electrolytic degreasing is thorough.
Preferably, acid activation is carried out by following operation: (A1) acid activation；(A2) cleaning 6-10min in 100% pure water is immersed,
Water temperature 50-70 DEG C；(A3) industry air knife processes 5-10min；Acid activation operation A1-A3 at least circulates 1 time, to guarantee acid
Activation is thoroughly.
Preferably, nickel plating is carried out by following operation: (A1) nickel plating；(A2) cleaning 6-10min in 100% pure water is immersed,
Water temperature 50-70 DEG C；(A3) industry air knife processes 5-10min；Nickel plating process A1-A3 circulates 1-2 time, to guarantee that nickel plating is beaten
End success.
Preferably, gold-plated carry out by following operation: (A1) is gold-plated；(A2) cleaning 6-10min in 100% pure water is immersed,
Water temperature 50-70 DEG C；(A3) industry air knife processes 5-10min；Gold-plated process A1-A3 circulates 1-3 time, to guarantee gold-plated one-tenth
Merit.
Preferably, tin plating carry out by following operation: (A1) is tin plating；(A2) cleaning 6-10min in 100% pure water is immersed,
Water temperature 50-70 DEG C；(A3) industry air knife processes 5-10min；Tin plating operation A1-A3 circulates 1-3 time, to guarantee tin plating one-tenth
Merit.
Preferably, ultrasound wave hot water cleans and carries out by following operation: (A1) neutralizes: after tin plating, and plating piece immerses mass content and is
The sodium bicarbonate solution memory neutralisation treatment of 10-15g/L, time 1-5min；(A2) ultrasonic wave water washing 3-10min, water temperature
50-70℃；(A3) cleaning 6-10min, water temperature 50-70 DEG C in 100% pure water are immersed；(A4) industry air knife processes 5-10min.
Preferably, sealing of hole use aqueous hole sealing agent hydroxypropyl cellulose, polyvidone one of them carry out；And/or use oiliness sealing of hole
Agent triethanolamine oleate is carried out.
Preferably, drying and carry out in an oven, temperature is 70-300 DEG C, and the time is 30-120min.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme is elaborated, it should be understood that these embodiments are only used for
The bright present invention rather than limit the scope of the present invention, after having read the present invention, each to the present invention of those skilled in the art
The amendment planting the equivalent form of value each falls within the application claims limited range.
Embodiment 1:
Continuous plating process, comprises the following steps: (1) ultrasonic degreasing: using alkaline solution, composition is surfactant
The sulfonate mass fraction 3% of fatty acid methyl ester ethoxylate, sodium hydroxide 25%, remaining is water, and the ultrasonic degreasing time is
4min, this step can realize the removal of unplated piece surface oils and fats；(2) electrolytic degreasing: with unplated piece as anode, with rustless steel
Plate is negative electrode, and in the solution environmental that pH value is 12, by unidirectional current, electric current density is 10A/dm2, solution temperature is 70 DEG C,
Solution composition is the sulfonate mass fraction 3% of surfactant fatty acid FMEE, sodium hydroxide 25%, and remaining is
Water, the electrolytic degreasing time is 4min, and this step realizes removing further the oily matter on unplated piece surface；(3) acid activation: adopt
Activate by immersion treatment 8min under mass concentration 4% sulphuric acid room temperature, this step activation unplated piece surface, improve the effect of follow-up plating
Rate；(4) nickel plating: temperature 55 DEG C, electric current density 4A/dm in the nickel-plating liquid of pH value 42Carry out Nickel Plating Treatment 45min, nickel plating
Concentration is nickel sulfate 300g/L, Nickel dichloride. 45g/L, boric acid 45g/L, softening agent propinyl sodium sulfonate 2.5mg/L, walk agent allyl
Base sodium sulfonate 1.5mg/L, it is achieved quick electronickelling, can be as bottoming nickel, it is also possible to as golden light nickel；(5) gold-plated: at pH
Temperature 55 DEG C, electric current density 4A/dm in the gold plating liquid of value 42Carrying out gold-plated process 45min, gold-plated concentration is gold salt 90g/L, lemon
Lemon acid 50g/L, softening agent propinyl sodium sulfonate 2.5mg/L, walk agent sodium allylsulfonate 1.5mg/L, it is achieved the most gold-plated；
(6) tin plating: temperature 55 DEG C, electric current density 4A/dm in the tin plating electrolyte of pH value 42Carry out tin plating process 45min, tin plating concentration
For tin methane sulfonate 40g/L, pyrovinic acid 15g/L, softening agent propinyl sodium sulfonate 2.5mg/L, walk agent sodium allylsulfonate
1.2mg/L, reinforcing agent water-soluble fibre, content is 5g/L, a length of 3mm, it is achieved quickly, high intensity tin plating, especially add
After entering water-soluble fibre, the fastness of tin coating is more preferable；(7) ultrasound wave hot water cleans, it is achieved the cleaning of coating surface；(8)
Sealing of hole, carries out sealing of hole operation to the aperture of coating, to improve the anti-corrosion ability of coating；(9) dry, become after drying
Finished product.
Embodiment 2:
Continuous plating process, comprises the following steps: (1) ultrasonic degreasing: using alkaline solution, composition is surfactant
The sulfonate mass fraction 1% of fatty acid methyl ester ethoxylate, sodium hydroxide 20%, remaining is water, and the ultrasonic degreasing time is
3min, this step can realize the removal of unplated piece surface oils and fats；Ultrasonic degreasing is carried out by following operation: (A1) ultrasound wave takes off
Fat；(A2) industry air knife processes 5min；(A3) cleaning 6min, water temperature 50 DEG C in 100% pure water are immersed；Ultrasonic degreasing
Operation A1-A3 circulates 2 times, to guarantee that ultrasonic degreasing is thorough；(2) electrolytic degreasing: with unplated piece as anode, with rustless steel
Plate is negative electrode, and in the solution environmental that pH value is 8, by unidirectional current, electric current density is 5A/dm2, solution temperature is 60 DEG C,
Solution composition is the sulfonate mass fraction 1% of surfactant fatty acid FMEE, sodium hydroxide 20%, and remaining is
Water, the electrolytic degreasing time is 3min, and this step realizes removing further the oily matter on unplated piece surface；Electrolytic degreasing presses following work
Sequence is carried out: (A1) electrolytic degreasing；(A2) industry air knife processes 5min；(A3) cleaning 6min in 100% pure water is immersed,
Water temperature 50 DEG C；Electrolytic degreasing operation A1-A3 circulates 2 times, to guarantee that electrolytic degreasing is thorough；(3) acid activation: use quality dense
Spend immersion treatment 6min under 2% sulphuric acid room temperature to activate, this step activation unplated piece surface, improve the efficiency of follow-up plating；Acid is lived
Change and carry out by following operation: (A1) acid activation；(A2) cleaning 6min, water temperature 50 DEG C in 100% pure water are immersed；(A3)
Industry air knife processes 5min；Acid activation operation A1-A3 circulates 2 times, to guarantee that acid activation is thorough；(4) nickel plating: at pH value 3.8
Nickel-plating liquid in temperature 50 C, electric current density 2A/dm2Carrying out Nickel Plating Treatment 40min, nickel plating concentration is nickel sulfate 260g/L, chlorine
Change nickel 38g/L, boric acid 38g/L, softening agent propinyl sodium sulfonate 2mg/L, walk agent sodium allylsulfonate 1mg/L, it is achieved quickly
Nickel plating, can be as bottoming nickel, it is also possible to as golden light nickel；Nickel plating is carried out by following operation: (A1) nickel plating；(A2)
Immerse cleaning 6min, water temperature 50 DEG C in 100% pure water；(A3) industry air knife processes 5min；Nickel plating process A1-A3 circulates 2 times,
To guarantee nickel plating bottoming success；(5) gold-plated: temperature 50 C, electric current density 2A/dm in the gold plating liquid of pH value 3.82Plate
Gold processes 40min, and gold-plated concentration is gold salt 70g/L, citric acid 30g/L, softening agent propinyl sodium sulfonate 2mg/L, walk agent
Sodium allylsulfonate 1mg/L, it is achieved the most gold-plated；Gold-plated carry out by following operation: (A1) is gold-plated；(A2) 100% is immersed
Pure water cleans 6min, water temperature 50 DEG C；(A3) industry air knife processes 5min；Gold-plated process A1-A3 circulates 3 times, to guarantee
Gold-plated success；(6) tin plating: temperature 50 C, electric current density 2A/dm in the tin plating electrolyte of pH value 3.82Carry out tin plating process 40min,
Tin plating concentration is tin methane sulfonate 30g/L, pyrovinic acid 10g/L, softening agent propinyl sodium sulfonate 2mg/L, walk agent pi-allyl
Sodium sulfonate 1mg/L, reinforcing agent water-soluble fibre, content is 0.2g/L, a length of 2mm, it is achieved quickly, high intensity tin plating, especially
After it is addition water-soluble fibre, the fastness of tin coating is more preferable；Tin plating carry out by following operation: (A1) is tin plating；(A2)
Immerse cleaning 6min, water temperature 50 DEG C in 100% pure water；(A3) industry air knife processes 5min；Tin plating operation A1-A3 circulates 2 times,
To guarantee tin plating success；(7) ultrasound wave hot water cleans, it is achieved the cleaning of coating surface；Ultrasound wave hot water cleans by following work
Sequence is carried out: (A1) neutralizes: after tin plating, and plating piece immerses the sodium bicarbonate solution memory neutralisation treatment that mass content is 10g/L,
Time 1min；(A2) ultrasonic wave water washing 3min, water temperature 50 DEG C；(A3) cleaning 6min, water temperature 50 DEG C in 100% pure water are immersed；
(A4) industry air knife processes 5min；(8) sealing of hole, uses aqueous hole sealing agent hydroxypropyl cellulose to carry out, the aperture to coating
Carry out sealing of hole operation, to improve the anti-corrosion ability of coating；(9) drying, carry out in an oven, temperature is 70 DEG C, the time
For 30min, become final products after drying.
Embodiment 3:
Continuous plating process, comprises the following steps: (1) ultrasonic degreasing: using alkaline solution, composition is surfactant
The sulfonate mass fraction 5% of fatty acid methyl ester ethoxylate, sodium hydroxide 30%, remaining is water, and the ultrasonic degreasing time is
5min, this step can realize the removal of unplated piece surface oils and fats；Ultrasonic degreasing is carried out by following operation: (A1) ultrasound wave takes off
Fat；(A2) industry air knife processes 10min；(A3) cleaning 10min, water temperature 70 DEG C in 100% pure water are immersed；Ultrasound wave takes off
Fat operation A1-A3 circulates 3 times, to guarantee that ultrasonic degreasing is thorough；(2) electrolytic degreasing: with unplated piece as anode, with stainless
Steel plate is negative electrode, and in the solution environmental that pH value is 14, by unidirectional current, electric current density is 15A/dm2, solution temperature is 80 DEG C,
Solution composition is the sulfonate mass fraction 5% of surfactant fatty acid FMEE, sodium hydroxide 30%, and remaining is
Water, the electrolytic degreasing time is 5min, and this step realizes removing further the oily matter on unplated piece surface；Electrolytic degreasing presses following work
Sequence is carried out: (A1) electrolytic degreasing；(A2) industry air knife processes 10min；(A3) cleaning 10min in 100% pure water is immersed,
Water temperature 70 DEG C；Electrolytic degreasing operation A1-A3 circulates 3 times, to guarantee that electrolytic degreasing is thorough；(3) acid activation: use quality dense
Spend immersion treatment 10min under 5% sulphuric acid room temperature to activate, this step activation unplated piece surface, improve the efficiency of follow-up plating；Acid
Activation is carried out by following operation: (A1) acid activation；(A2) cleaning 10min, water temperature 70 DEG C in 100% pure water are immersed；(A3)
Industry air knife processes 10min；Acid activation operation A1-A3 circulates 3 times, to guarantee that acid activation is thorough；(4) nickel plating: at pH value
Temperature 60 C, electric current density 6A/dm in the nickel-plating liquid of 4.52Carry out Nickel Plating Treatment 50min, nickel plating concentration be nickel sulfate 320g/L,
Nickel dichloride. 53g/L, boric acid 50g/L, softening agent propinyl sodium sulfonate 3mg/L, walk agent sodium allylsulfonate 2mg/L, it is achieved fast
Speed nickel plating, can be as bottoming nickel, it is also possible to as golden light nickel；Nickel plating is carried out by following operation: (A1) nickel plating；(A2)
Immerse cleaning 10min, water temperature 70 DEG C in 100% pure water；(A3) industry air knife processes 10min；Nickel plating process A1-A3 circulation 1
Secondary, to guarantee nickel plating bottoming success；(5) gold-plated: temperature 60 C, electric current density 6A/dm in the gold plating liquid of pH value 4.52Enter
The gold-plated process 50min of row, gold-plated concentration is gold salt 100g/L, citric acid 60g/L, softening agent propinyl sodium sulfonate 3mg/L, walks
Position agent sodium allylsulfonate 2mg/L, it is achieved the most gold-plated；Gold-plated carry out by following operation: (A1) is gold-plated；(A2) immerse
100% pure water cleans 10min, water temperature 70 DEG C；(A3) industry air knife processes 10min；Gold-plated process A1-A3 circulates 2 times,
To guarantee gold-plated success；(6) tin plating: temperature 60 C, electric current density 6A/dm in the tin plating electrolyte of pH value 4.52Carry out tin plating place
Reason 50min, tin plating concentration is tin methane sulfonate 50g/L, pyrovinic acid 20g/L, softening agent propinyl sodium sulfonate 3mg/L, walk
Agent sodium allylsulfonate 2mg/L, reinforcing agent water-soluble fibre, content is 10g/L, a length of 4mm, it is achieved quick, high intensity
Tin plating, after water-soluble fibre, the fastness of tin coating is more preferable；Tin plating carry out by following operation: (A1) is tin plating；
(A2) cleaning 10min, water temperature 70 DEG C in 100% pure water are immersed；(A3) industry air knife processes 10min；Tin plating operation A1-A3
Circulate 3 times, to guarantee tin plating success；(7) ultrasound wave hot water cleans, it is achieved the cleaning of coating surface；Ultrasound wave hot water cleans
Carrying out by following operation: (A1) neutralizes: after tin plating, plating piece immerses in the sodium bicarbonate solution memory that mass content is 15g/L
And process, time 5min；(A2) ultrasonic wave water washing 10min, water temperature 70 DEG C；(A3) cleaning 10min in 100% pure water is immersed,
Water temperature 70 DEG C；(A4) industry air knife processes 10min；(8) sealing of hole, uses oiliness hole sealing agent triethanolamine oleate to carry out,
The aperture of coating is carried out sealing of hole operation, to improve the anti-corrosion ability of coating；(9) dry, carry out in an oven, temperature
Being 300 DEG C, the time is 120min, becomes final products after drying.
Claims (10)
1. a continuous plating process, it is characterised in that comprise the following steps:
(1) ultrasonic degreasing: using alkaline solution, composition is the sulfonate quality of surfactant fatty acid FMEE
Mark 1-5%, sodium hydroxide 20-30%, remaining is water, and the ultrasonic degreasing time is 3-5min；
(2) electrolytic degreasing: with unplated piece as anode is with corrosion resistant plate as negative electrode, in the solution environmental that pH value is 8-14, logical
Crossing unidirectional current, electric current density is 5-15A/dm2, solution temperature is 60-80 DEG C, and solution composition is surfactant fatty acid methyl ester
Sulfonate mass fraction 1-5%, the sodium hydroxide 20-30% of ethoxylate, remaining is water, and the electrolytic degreasing time is 3-5min；
(3) acid activation: use immersion treatment 6-10min under mass concentration 2-5% sulphuric acid room temperature to activate；
(4) nickel plating: temperature 50-60 DEG C, electric current density 2-6A/dm in the nickel-plating liquid of pH value 3.8-4.52Carry out Nickel Plating Treatment
40-50min, nickel plating concentration is nickel sulfate 260-320g/L, Nickel dichloride. 38-53g/L, boric acid 38-50g/L, softening agent
Propinyl sodium sulfonate 2-3mg/L, walk agent sodium allylsulfonate 1-2mg/L；
(5) gold-plated: temperature 50-60 DEG C, electric current density 2-6A/dm in the gold plating liquid of pH value 3.8-4.52Carry out gold-plated process
40-50min, gold-plated concentration be gold salt 70-100g/L, citric acid 30-60g/L, softening agent propinyl sodium sulfonate 2-3mg/L,
Walk agent sodium allylsulfonate 1-2mg/L；
(6) tin plating: temperature 50-60 DEG C, electric current density 2-6A/dm in the tin plating electrolyte of pH value 3.8-4.52Carry out tin plating process 40
-50min, tin plating concentration is tin methane sulfonate 30-50g/L, pyrovinic acid 10-20g/L, softening agent propinyl sodium sulfonate 2-3mg/L,
Walk agent sodium allylsulfonate 1-2mg/L, reinforcing agent water-soluble fibre, and content is 0.2g/L-10g/L, a length of 2-4mm；
(7) ultrasound wave hot water cleans；
(8) sealing of hole；
(9) dry.
2. a kind of continuous plating process as claimed in claim 1, it is characterised in that: described step (1) ultrasonic degreasing is by following
Operation is carried out:
(A1) ultrasonic degreasing；
(A2) industry air knife processes 5-10min；
(A3) cleaning 6-10min, water temperature 50-70 DEG C in 100% pure water are immersed；
Operation A1-A3 in present claims at least circulates 1 time, to guarantee that ultrasonic degreasing is thorough.
3. a kind of continuous plating process as claimed in claim 1, it is characterised in that: described step (2) electrolytic degreasing presses following work
Sequence is carried out:
(A1) electrolytic degreasing；
(A2) industry air knife processes 5-10min；
(A3) cleaning 6-10min, water temperature 50-70 DEG C in 100% pure water are immersed；
Operation A1-A3 in present claims at least circulates 1 time, to guarantee that electrolytic degreasing is thorough.
4. a kind of continuous plating process as claimed in claim 1, it is characterised in that: following operation is pressed in described step (3) acid activation
Carry out:
(A1) acid activation；
(A2) cleaning 6-10min, water temperature 50-70 DEG C in 100% pure water are immersed；
(A3) industry air knife processes 5-10min；
Operation A1-A3 in present claims at least circulates 1 time, to guarantee that acid activation is thorough.
5. a kind of continuous plating process as claimed in claim 1, it is characterised in that: described step (4) nickel plating is entered by following operation
OK:
(A1) nickel plating；
(A2) cleaning 6-10min, water temperature 50-70 DEG C in 100% pure water are immersed；
(A3) industry air knife processes 5-10min；
Operation A1-A3 in present claims circulates 1-2 time, to guarantee nickel plating bottoming success.
6. a kind of continuous plating process as claimed in claim 1, it is characterised in that: described step (5) is gold-plated to be entered by following operation
OK:
(A1) gold-plated；
(A2) cleaning 6-10min, water temperature 50-70 DEG C in 100% pure water are immersed；
(A3) industry air knife processes 5-10min；
Operation A1-A3 in present claims circulates 1-3 time, to guarantee gold-plated success.
7. a kind of continuous plating process as claimed in claim 1, it is characterised in that: described step (6) is tin plating to be entered by following operation
OK:
(A1) tin plating；
(A2) cleaning 6-10min, water temperature 50-70 DEG C in 100% pure water are immersed；
(A3) industry air knife processes 5-10min；
Operation A1-A3 in present claims circulates 1-3 time, to guarantee tin plating success.
8. a kind of continuous plating process as claimed in claim 1, it is characterised in that: described step (7) ultrasound wave hot water cleans and presses
Following operation is carried out:
(A1) neutralizing: after tin plating, plating piece immerses the sodium bicarbonate solution memory neutralisation treatment that mass content is 10-15g/L,
Time 1-5min；
(A2) ultrasonic wave water washing 3-10min, water temperature 50-70 DEG C；
(A3) cleaning 6-10min, water temperature 50-70 DEG C in 100% pure water are immersed；
(A4) industry air knife processes 5-10min.
9. a kind of continuous plating process as claimed in claim 1, it is characterised in that: described step (8) sealing of hole uses aqueous sealing of hole
Agent hydroxypropyl cellulose, polyvidone one of them carry out；
And/or use oiliness hole sealing agent triethanolamine oleate to carry out.
10. a kind of continuous plating process as claimed in claim 1, it is characterised in that: described step (9) is dried and is carried out in an oven,
Temperature is 70-300 DEG C, and the time is 30-120min.
Priority Applications (1)
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|---|---|---|---|
| CN201610333013.XA CN105839158A (en) | 2016-05-19 | 2016-05-19 | Continuous electroplating technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610333013.XA CN105839158A (en) | 2016-05-19 | 2016-05-19 | Continuous electroplating technology |
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| CN105839158A true CN105839158A (en) | 2016-08-10 |
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| CN (1) | CN105839158A (en) |
Cited By (14)
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| CN106591902A (en) * | 2016-12-01 | 2017-04-26 | 深圳美之顺五金塑胶制品有限公司 | Continuous partial gold, tin and nickel plating control system of thin material |
| CN107254694A (en) * | 2017-05-24 | 2017-10-17 | 江苏金坤科技有限公司 | A kind of tin plating electrolyte and the efficient tin plating technique based on the tin plating electrolyte |
| CN107620116A (en) * | 2017-11-03 | 2018-01-23 | 安徽新合富力科技有限公司 | A kind of powder metallurgy zirconium-base alloy surface treatment method |
| CN109208049A (en) * | 2018-11-08 | 2019-01-15 | 天津亿鑫通金属表面处理有限公司 | A kind of uniform stainless steel continuous plating process of tint |
| CN109537011A (en) * | 2018-12-06 | 2019-03-29 | 上海众新五金有限公司 | A kind of auto parts and components electroplate technology |
| CN110233038A (en) * | 2018-03-05 | 2019-09-13 | 宁波招宝磁业有限公司 | A kind of cold treatment processing method of neodymium iron boron magnetic body |
| CN110965094A (en) * | 2019-12-23 | 2020-04-07 | 上海建立电镀有限公司 | Environment-friendly electroplating process |
| CN111647917A (en) * | 2020-05-22 | 2020-09-11 | 成都宏明双新科技股份有限公司 | Process for preventing tin-plated product from discoloring in high-temperature test |
| CN112176326A (en) * | 2020-09-11 | 2021-01-05 | 江苏佳华金属线有限公司 | Production process for activation treatment of tinned copper wire |
| CN112647102A (en) * | 2020-12-18 | 2021-04-13 | 成都宏明双新科技股份有限公司 | Method for improving bonding force of nickel plating layer of chip capacitor terminal electrode |
| CN113186572A (en) * | 2021-04-30 | 2021-07-30 | 东莞市环侨金属制品有限公司 | Rhodium ruthenium alloy electroplating process |
| CN113186573A (en) * | 2021-04-30 | 2021-07-30 | 东莞市环侨金属制品有限公司 | Manufacturing process of electroplated communication terminal |
| CN113279032A (en) * | 2021-04-30 | 2021-08-20 | 东莞市环侨金属制品有限公司 | Continuous electroplating process for metal product |
| CN114318449A (en) * | 2020-10-12 | 2022-04-12 | 江苏澳光电子有限公司 | Innovative process for plating thin gold on silver |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106591902A (en) * | 2016-12-01 | 2017-04-26 | 深圳美之顺五金塑胶制品有限公司 | Continuous partial gold, tin and nickel plating control system of thin material |
| CN107254694A (en) * | 2017-05-24 | 2017-10-17 | 江苏金坤科技有限公司 | A kind of tin plating electrolyte and the efficient tin plating technique based on the tin plating electrolyte |
| CN107620116A (en) * | 2017-11-03 | 2018-01-23 | 安徽新合富力科技有限公司 | A kind of powder metallurgy zirconium-base alloy surface treatment method |
| CN110233038A (en) * | 2018-03-05 | 2019-09-13 | 宁波招宝磁业有限公司 | A kind of cold treatment processing method of neodymium iron boron magnetic body |
| CN109208049A (en) * | 2018-11-08 | 2019-01-15 | 天津亿鑫通金属表面处理有限公司 | A kind of uniform stainless steel continuous plating process of tint |
| CN109537011A (en) * | 2018-12-06 | 2019-03-29 | 上海众新五金有限公司 | A kind of auto parts and components electroplate technology |
| CN110965094A (en) * | 2019-12-23 | 2020-04-07 | 上海建立电镀有限公司 | Environment-friendly electroplating process |
| CN111647917A (en) * | 2020-05-22 | 2020-09-11 | 成都宏明双新科技股份有限公司 | Process for preventing tin-plated product from discoloring in high-temperature test |
| CN112176326A (en) * | 2020-09-11 | 2021-01-05 | 江苏佳华金属线有限公司 | Production process for activation treatment of tinned copper wire |
| CN114318449A (en) * | 2020-10-12 | 2022-04-12 | 江苏澳光电子有限公司 | Innovative process for plating thin gold on silver |
| CN112647102A (en) * | 2020-12-18 | 2021-04-13 | 成都宏明双新科技股份有限公司 | Method for improving bonding force of nickel plating layer of chip capacitor terminal electrode |
| CN113186572A (en) * | 2021-04-30 | 2021-07-30 | 东莞市环侨金属制品有限公司 | Rhodium ruthenium alloy electroplating process |
| CN113186573A (en) * | 2021-04-30 | 2021-07-30 | 东莞市环侨金属制品有限公司 | Manufacturing process of electroplated communication terminal |
| CN113279032A (en) * | 2021-04-30 | 2021-08-20 | 东莞市环侨金属制品有限公司 | Continuous electroplating process for metal product |
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