CN105350032B - The plating technology of resist-nailed seat part coating - Google Patents
The plating technology of resist-nailed seat part coating Download PDFInfo
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- CN105350032B CN105350032B CN201510560501.XA CN201510560501A CN105350032B CN 105350032 B CN105350032 B CN 105350032B CN 201510560501 A CN201510560501 A CN 201510560501A CN 105350032 B CN105350032 B CN 105350032B
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- resist
- seat part
- nailed seat
- plating
- plated
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- 238000007747 plating Methods 0.000 title claims abstract description 75
- 238000000576 coating method Methods 0.000 title claims abstract description 31
- 239000011248 coating agent Substances 0.000 title claims abstract description 29
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 28
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 28
- 239000004094 surface-active agent Substances 0.000 claims abstract description 22
- 239000002131 composite material Substances 0.000 claims abstract description 21
- 230000009977 dual effect Effects 0.000 claims abstract description 21
- 238000005554 pickling Methods 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 16
- 239000008139 complexing agent Substances 0.000 claims abstract description 16
- 239000000839 emulsion Substances 0.000 claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims abstract description 16
- 150000002815 nickel Chemical class 0.000 claims abstract description 15
- 230000003213 activating effect Effects 0.000 claims abstract description 12
- 230000004913 activation Effects 0.000 claims abstract description 12
- 238000005238 degreasing Methods 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 235000021110 pickles Nutrition 0.000 claims abstract description 11
- 238000005406 washing Methods 0.000 claims abstract description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000002161 passivation Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 239000008367 deionised water Substances 0.000 claims description 24
- 229910021641 deionized water Inorganic materials 0.000 claims description 24
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 20
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 11
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 10
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 10
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid group Chemical group C(CCC(=O)O)(=O)O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 10
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 5
- 229920001732 Lignosulfonate Polymers 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- KVBCYCWRDBDGBG-UHFFFAOYSA-N azane;dihydrofluoride Chemical compound [NH4+].F.[F-] KVBCYCWRDBDGBG-UHFFFAOYSA-N 0.000 claims description 5
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 5
- OZECDDHOAMNMQI-UHFFFAOYSA-H cerium(3+);trisulfate Chemical group [Ce+3].[Ce+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O OZECDDHOAMNMQI-UHFFFAOYSA-H 0.000 claims description 5
- 229910000333 cerium(III) sulfate Inorganic materials 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- -1 phosphines carboxylic acid Chemical class 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 239000001384 succinic acid Substances 0.000 claims description 5
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 claims description 5
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 4
- 239000004115 Sodium Silicate Substances 0.000 claims description 4
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052746 lanthanum Inorganic materials 0.000 claims description 4
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical group [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229940078494 nickel acetate Drugs 0.000 claims description 4
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229940074404 sodium succinate Drugs 0.000 claims description 3
- ZDQYSKICYIVCPN-UHFFFAOYSA-L sodium succinate (anhydrous) Chemical compound [Na+].[Na+].[O-]C(=O)CCC([O-])=O ZDQYSKICYIVCPN-UHFFFAOYSA-L 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 2
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 238000013329 compounding Methods 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007772 electroless plating Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 210000003739 neck Anatomy 0.000 description 2
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical group [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 2
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 2
- 229910018104 Ni-P Inorganic materials 0.000 description 1
- 229910018536 Ni—P Inorganic materials 0.000 description 1
- 238000005844 autocatalytic reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000016768 molybdenum Nutrition 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- ORVGYTXFUWTWDM-UHFFFAOYSA-N silicic acid;sodium Chemical compound [Na].O[Si](O)(O)O ORVGYTXFUWTWDM-UHFFFAOYSA-N 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Chemically Coating (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Abstract
The invention discloses a kind of plating technology of resist-nailed seat part coating, Ni PTFE coating is formed in the direct plating of resist-nailed seat component inner surface, is comprised the following steps：Oil removing：Resist-nailed seat part to be plated is placed in supersonic wave cleaning machine, degreasing fluid is added, cleaned, washing；Pickling:Resist-nailed seat part to be plated after oil removing is placed in pickle, pickling, washed, drying；Activation：Resist-nailed seat part to be plated after pickling is soaked with activating solution, cleaned, is dried up, heat treatment；Plating；Resist-nailed seat part to be plated after activation is placed in the composite plating bath being made up of nickel salt, PTFE emulsion, Dual Surfactants, complexing agent and stabilizer etc., the uniform complete Ni PTFE coating of last layer is plated after composite plating bath plating；Passivation：Resist-nailed seat part after plating is placed in passivating solution and is passivated；Washing, drying.The present invention has low frictional properties, good lubricity, corrosion resistance, heat conductivity, and for noise reduction and prevents electrostatic also very effective.
Description
Technical field
The present invention relates to protecting metallic surface coatings art, more particularly to a kind of plating work of resist-nailed seat part coating
Skill.
Background technology
Chemical Ni-plating layer has the comprehensive physicals such as excellent corrosion resistance, wearability and solderability and chemical property, wide
It is general to be applied to the neck such as Aeronautics and Astronautics, petrochemical industry, machinery, electronics, computer, automobile, packaging for foodstuff, mould, medical treatment, weaving
Domain.Chemical plating is to make the metal that metal ion is reduced under the autocatalysis of metal surface by the reducing agent in solution
Deposition process.But, with the development of modern science and technology, in corrosion resistance and wearability of these fields to component of machine
Requirement also more and more higher, the chemical nickel plating of unification can not increasingly meet the demand of industrial development, therefore with good
The composite electroless-plating of corrosion resistance and wear-resisting patience gradually grows up.
Ni-P is a kind of process of the acquisition composite deposite grown up on the basis of chemical plating, and it refers to
Under the conditions of cold, by adding one or more insoluble solid particulates etc. in the plating solution, it is allowed to uniform by stirring
Dispersedly it is suspended in plating solution, solid particle is co-deposited and be formed a kind of deposition technique of composite deposite with metal ion.Change
Composite Coatings cost is low, pollute small, and can meet the performance needs of most of occasion.However, composite electroless-plating frictional property and profit
Slip is less desirable, but also does not have the effect of noise reduction.
The content of the invention
The present invention solves the technical problem of a kind of plating technology of resist-nailed seat part coating is provided, with low friction
Property, good lubricity, corrosion resistance, heat conductivity, and for noise reduction and prevent electrostatic also very effective.
In order to solve the above technical problems, one aspect of the present invention is：A kind of resist-nailed seat part coating is provided
Plating technology, form Ni-PTFE coating in the direct plating of resist-nailed seat component inner surface, comprise the following steps：
（1）Oil removing：Resist-nailed seat part to be plated is placed in supersonic wave cleaning machine, degreasing fluid is added, at 45 ~ 55 DEG C, cleaning 5
~ 10min, washing；
（2）Pickling：Resist-nailed seat part to be plated after oil removing is placed in pickle, at room temperature, 5 ~ 10min of pickling, washing,
Drying；
（3）Activation：Will be through step（2）Resist-nailed seat part to be plated after pickling soaks 15 ~ 25min with activating solution at room temperature,
Clean, drying, 120 ~ 150 DEG C of 5 ~ 12min of heat treatment；
（4）Plating：Will be through step（3）Resist-nailed seat part to be plated after activation is placed in by nickel salt, PTFE emulsion, rare earth member
In the composite plating bath that element, Dual Surfactants, complexing agent, stabilizer, accelerator and deionized water are constituted, described composite plating bath
In, 30 ~ 40g/L of nickel salt, 20 ~ 30.0mL/L of PTFE emulsion, 0.5 ~ 1.1g/L of rare earth element, 0.5 ~ 2g/L of Dual Surfactants,
The mL/L of complexing agent 30 ~ 50, the mg/L of stabilizer 15 ~ 30, the mg/L of accelerator 0.5 ~ 1, remaining is deionized water；PH value be 4.8 ~
5.2, temperature is 75 ~ 85 DEG C, 30 ~ 80min of plating time, 160 ~ 220r/min of stir speed (S.S.), and plating speed is 12 ~ 18 μm/h, is combined
The uniform complete Ni-PTFE coating of last layer is plated after plating solution plating, thickness of coating is 3 ~ 5 μm；
（5）Passivation：Resist-nailed seat part after plating is placed in passivating solution, temperature is 70 ~ 85 DEG C, is passivated 13 ~ 15min；
（6）It is neutrality with the pH value of 10 ~ 15 DEG C of deionized water rinsings to flushing liquor, finally dries.
In a preferred embodiment of the present invention, step（1）Described in degreasing fluid by 30 ~ 60g/L sodium acid carbonates, 20 ~
30g/L sodium metasilicate and the water of surplus composition.
In a preferred embodiment of the present invention, step（1）The frequency of ultrasonic wave during middle cleaning is 20kHz ~ 30kHz.
In a preferred embodiment of the present invention, step（2）In hydrofluoric acid, nitric acid and deionized water in used pickle
Volume ratio be（0.5~1）：（2~3）:1.
In a preferred embodiment of the present invention, step（3）In ammonium acid fluoride, phosphoric acid and deionization in used activating solution
The weight ratio of water is 1:（1.5~3）:（3~5）, the mass percent concentration of described phosphoric acid is 85%.
In a preferred embodiment of the present invention, described nickel salt is nickel sulfate or nickel acetate, in described PTFE emulsion
55 ~ 65wt% of amount of solid content.
In a preferred embodiment of the present invention, the double surface-actives of compounding that described Dual Surfactants are OP and CTAB
Agent, complexing agent used is citrate or sodium succinate, and described stabilizer is cerous sulfate.
In a preferred embodiment of the present invention, step（5）In passivating solution by 15 ~ 30g/L vanadate, 5 ~ 30g/L molybdenums
Hydrochlorate, 5 ~ 10g/L phosphines carboxylic acid, the water composition of 1 ~ 5g/L lignosulfonates and surplus.
In a preferred embodiment of the present invention, OP and CTAB weight proportion is 1 in described Dual Surfactants:（5
~7）.
In a preferred embodiment of the present invention, described accelerator is succinic acid.
The beneficial effects of the invention are as follows：The present invention has a low frictional properties, good lubricity, corrosion resistance, heat conductivity,
And for noise reduction and prevent electrostatic also very effective.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
All other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
Embodiment 1
A kind of plating technology of resist-nailed seat part coating, Ni-PTFE platings are formed in the direct plating of resist-nailed seat component inner surface
Layer, comprises the following steps：
（1）Oil removing：Resist-nailed seat part to be plated is placed in supersonic wave cleaning machine, degreasing fluid is added, at 45 DEG C, cleaning
10min, the frequency of ultrasonic wave during cleaning is 25kHz, is washed, described degreasing fluid is by 30g/L sodium acid carbonates, 20g/L silicic acid
Sodium and the water of surplus composition；
（2）Pickling：Resist-nailed seat part to be plated after oil removing is placed in pickle, at room temperature, pickling 10min, washing is blown
Dry, the volume ratio of hydrofluoric acid, nitric acid and deionized water is 0.5 in pickle used:3:1；
（3）Activation：Will be through step（2）Resist-nailed seat part to be plated after pickling soaks 20min with activating solution at room temperature, washes
Only, dry up, 150 DEG C of heat treatment 5min, the weight ratio of ammonium acid fluoride, phosphoric acid and deionized water is 1 in activating solution used:
1.5:5, the mass percent concentration of described phosphoric acid is 85%；
（4）Plating：Will be through step（3）Resist-nailed seat part to be plated after activation is placed in by nickel salt, PTFE emulsion, rare earth member
In the composite plating bath that element, Dual Surfactants, complexing agent, stabilizer, accelerator and deionized water are constituted, described composite plating bath
In, nickel salt 30g/L, PTFE emulsion 30.0mL/L, lanthanum rare earth element 1.1g/L, Dual Surfactants 0.5g/L, complexing agent 30mL/
L, the mg/L of stabilizer 15, the mg/L of succinic acid accelerator 0.5, remaining is deionized water；PH value is 5.0, and temperature is 75 DEG C, plating
Time 80min, stir speed (S.S.) 160r/min, plating speed is 15 μm/h, and the uniform complete Ni- of last layer is plated after composite plating bath plating
PTFE coating, thickness of coating is 4 μm；The nickel salt is amount of solid content 55wt% in nickel sulfate, described PTFE emulsion；It is described
Dual Surfactants be OP and CTAB compounding Dual Surfactants, OP and CTAB weight in described Dual Surfactants
Match as 1:6；Complexing agent used is sodium succinate, and the stabilizer is cerous sulfate；
（5）Passivation：Resist-nailed seat part after plating is placed in passivating solution, temperature is 78 DEG C, is passivated 14min, passivating solution
It is made up of the water of 27g/L vanadate, 18g/L molybdates, 5g/L phosphines carboxylic acid, 1g/L lignosulfonates and surplus；
（6）PH value with 12 DEG C of deionized water rinsings to flushing liquor is neutral, is finally dried.
Embodiment 2
A kind of plating technology of resist-nailed seat part coating, Ni-PTFE platings are formed in the direct plating of resist-nailed seat component inner surface
Layer, comprises the following steps：
（1）Oil removing：Resist-nailed seat part to be plated is placed in supersonic wave cleaning machine, degreasing fluid is added, at 55 DEG C, cleaning
5min, the frequency of ultrasonic wave during cleaning is 20kHz, is washed, described degreasing fluid is by 45g/L sodium acid carbonates, 25g/L sodium metasilicate
Constituted with the water of surplus；
（2）Pickling：Resist-nailed seat part to be plated after oil removing is placed in pickle, at room temperature, pickling 8min, washing is blown
Dry, the volume ratio of hydrofluoric acid, nitric acid and deionized water is 1 in pickle used:3:1；
（3）Activation：Will be through step（2）Resist-nailed seat part to be plated after pickling soaks 15 ~ 25min with activating solution at room temperature,
Clean, drying, 120 DEG C of heat treatment 12min, the weight ratio of ammonium acid fluoride, phosphoric acid and deionized water is 1 in activating solution used:
3:3, the mass percent concentration of described phosphoric acid is 85%；
（4）Plating：Will be through step（3）Resist-nailed seat part to be plated after activation is placed in by nickel salt, PTFE emulsion, rare earth member
In the composite plating bath that element, Dual Surfactants, complexing agent, stabilizer, accelerator and deionized water are constituted, described composite plating bath
In, nickel salt 40g/L, PTFE emulsion 20mL/L, lanthanum rare earth element 0.8g/L, Dual Surfactants 2g/L, the mL/L of complexing agent 50,
The mg/L of stabilizer 30, the mg/L of succinic acid accelerator 1, remaining is deionized water；PH value is 5.2, and temperature is 85 DEG C, plating time
30min, stir speed (S.S.) 220r/min, plating speed is 12 μm/h, and the uniform complete Ni-PTFE platings of last layer are plated after composite plating bath plating
Layer, thickness of coating is 3 μm；The nickel salt is amount of solid content 60wt% in nickel acetate, described PTFE emulsion；Described double tables
Face activating agent is OP and CTAB compounding Dual Surfactants, and OP and CTAB weight proportion is in described Dual Surfactants
1:5；Complexing agent used is citrate, and the stabilizer is cerous sulfate；
（5）Passivation：Resist-nailed seat part after plating is placed in passivating solution, temperature is 85 DEG C, is passivated 13min, passivating solution
It is made up of the water of 15g/L vanadate, 30g/L molybdates, 8g/L phosphines carboxylic acid, 3g/L lignosulfonates and surplus；
（6）PH value with 15 DEG C of deionized water rinsings to flushing liquor is neutral, is finally dried.
Embodiment 3
A kind of plating technology of resist-nailed seat part coating, Ni-PTFE platings are formed in the direct plating of resist-nailed seat component inner surface
Layer, comprises the following steps：
（1）Oil removing：Resist-nailed seat part to be plated is placed in supersonic wave cleaning machine, degreasing fluid is added, at 50 DEG C, cleaning
7min, the frequency of ultrasonic wave during cleaning is 30kHz, is washed, described degreasing fluid is by 60g/L sodium acid carbonates, 30g/L sodium metasilicate
Constituted with the water of surplus；
（2）Pickling：Resist-nailed seat part to be plated after oil removing is placed in pickle, at room temperature, pickling 5min, washing is blown
Dry, the volume ratio of hydrofluoric acid, nitric acid and deionized water is 0.7 in pickle used:2.5:1；
（3）Activation：Will be through step（2）Resist-nailed seat part to be plated after pickling soaks 15 ~ 25min with activating solution at room temperature,
Clean, drying, 135 DEG C of heat treatment 9min, the weight ratio of ammonium acid fluoride, phosphoric acid and deionized water is 1 in activating solution used:
2.5:4, the mass percent concentration of described phosphoric acid is 85%；
（4）Plating：Will be through step（3）Resist-nailed seat part to be plated after activation is placed in by nickel salt, PTFE emulsion, rare earth member
In the composite plating bath that element, Dual Surfactants, complexing agent, stabilizer, accelerator and deionized water are constituted, described composite plating bath
In, nickel salt 35g/L, PTFE emulsion 25mL/L, lanthanum rare earth element 0.5g/L, Dual Surfactants 1.3g/L, the mL/ of complexing agent 40
L, the mg/L of stabilizer 22, the mg/L of succinic acid accelerator 0.8, remaining is deionized water；PH value is 4.8, and temperature is 80 DEG C, plating
Time 50min, stir speed (S.S.) 190r/min, plating speed is 18 μm/h, and the uniform complete Ni- of last layer is plated after composite plating bath plating
PTFE coating, thickness of coating is 5 μm；The nickel salt is amount of solid content 65wt% in nickel acetate, described PTFE emulsion；It is described
Dual Surfactants be OP and CTAB compounding Dual Surfactants, OP and CTAB weight in described Dual Surfactants
Match as 1: 7；Complexing agent used is citrate, and the stabilizer is cerous sulfate；
（5）Passivation：Resist-nailed seat part after plating is placed in passivating solution, temperature is 70 DEG C, is passivated 15min, passivating solution
It is made up of the water of 30g/L vanadate, 5g/L molybdates, 10g/L phosphines carboxylic acid, 5g/L lignosulfonates and surplus；
（6）PH value with 10 DEG C of deionized water rinsings to flushing liquor is neutral, is finally dried.
By the performance test data such as table 1 of the resist-nailed seat part coating of 1 ~ embodiment of embodiment 3, according to GB2423.17-
2003 carry out salt spray test.
Table 1
The present invention has low frictional properties, good lubricity, corrosion resistance, heat conductivity, and for noise reduction and prevents
Electrostatic is also very effective.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (6)
1. a kind of plating technology of resist-nailed seat part coating, it is characterised in that formed in the direct plating of resist-nailed seat component inner surface
Ni-PTFE coating, comprises the following steps：
（1）Oil removing：Resist-nailed seat part to be plated is placed in supersonic wave cleaning machine, degreasing fluid is added, at 45 ~ 55 DEG C, cleaning 5 ~
10min, washing；
（2）Pickling：Resist-nailed seat part to be plated after oil removing is placed in pickle, at room temperature, 5 ~ 10min of pickling, washing is blown
It is dry；
（3）Activation：Will be through step（2）Resist-nailed seat part to be plated after pickling soaks 15 ~ 25min with activating solution at room temperature, cleans,
Drying, 120 ~ 150 DEG C of 5 ~ 12min of heat treatment；
（4）Plating：Will be through step（3）Resist-nailed seat part to be plated after activation is placed in by nickel salt, PTFE emulsion, rare earth element, double
In the composite plating bath that surfactant, complexing agent, stabilizer, accelerator and deionized water are constituted, in described composite plating bath, nickel
30 ~ 40g/L of salt, 20 ~ 30.0mL/L of PTFE emulsion, 0.5 ~ 1.1g/L of rare earth element, 0.5 ~ 2g/L of Dual Surfactants, complexing agent
30 ~ 50 mL/L, the mg/L of stabilizer 15 ~ 30, the mg/L of accelerator 0.5 ~ 1, remaining is deionized water；PH value is 4.8 ~ 5.2, temperature
Spend for 75 ~ 85 DEG C, 30 ~ 80min of plating time, 160 ~ 220r/min of stir speed (S.S.) plate speed for 12 ~ 18 μm/h, composite plating bath is applied
The uniform complete Ni-PTFE coating of last layer is plated after plating, thickness of coating is 3 ~ 5 μm；
（5）Passivation：Resist-nailed seat part after plating is placed in passivating solution, temperature is 70 ~ 85 DEG C, is passivated 13 ~ 15min；
（6）It is neutrality with the pH value of 10 ~ 15 DEG C of deionized water rinsings to flushing liquor, finally dries；
Described Dual Surfactants are that weight proportion is 1:（5~7）OP and CTAB, complexing agent used for citrate or
Sodium succinate, described stabilizer is cerous sulfate, and described rare earth element is lanthanum, and described accelerator is succinic acid；Step（5）
In passivating solution by 15 ~ 30g/L vanadate, 5 ~ 30g/L molybdates, 5 ~ 10g/L phosphines carboxylic acid, 1 ~ 5g/L lignosulfonates and surplus
Water composition.
2. the plating technology of resist-nailed seat part coating according to claim 1, it is characterised in that step（1）Described in
Degreasing fluid is made up of the water of 30 ~ 60g/L sodium acid carbonates, 20 ~ 30g/L sodium metasilicate and surplus.
3. the plating technology of resist-nailed seat part coating according to claim 1, it is characterised in that step（1）During middle cleaning
Ultrasonic wave frequency be 20kHz ~ 30kHz.
4. the plating technology of resist-nailed seat part coating according to claim 1, it is characterised in that step（2）In it is used
The volume ratio of hydrofluoric acid, nitric acid and deionized water is in pickle（0.5~1）：（2~3）:1.
5. the plating technology of resist-nailed seat part coating according to claim 1, it is characterised in that step（3）In it is used
The weight ratio of ammonium acid fluoride, phosphoric acid and deionized water is 1 in activating solution:（1.5~3）:（3~5）, the quality percentage of described phosphoric acid
Specific concentration is 85%.
6. the plating technology of resist-nailed seat part coating according to claim 1, it is characterised in that described nickel salt is sulfuric acid
55 ~ 65wt% of amount of solid content in nickel or nickel acetate, described PTFE emulsion.
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| CN201510560501.XA CN105350032B (en) | 2015-07-20 | 2015-09-07 | The plating technology of resist-nailed seat part coating |
| PCT/CN2015/090645 WO2017041333A1 (en) | 2015-07-20 | 2015-09-25 | Plating process for plating layer on nail abutting seat component |
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| CN112095128A (en) * | 2020-07-28 | 2020-12-18 | 安徽绩溪徽山链传动有限公司 | Treatment method for enhancing temperature resistance and wear resistance of chain plate |
| CN114381774B (en) * | 2020-10-22 | 2023-12-29 | 海安南京大学高新技术研究院 | Preparation method of neodymium-iron-boron magnet alloy coating |
| CN114075684B (en) * | 2021-12-31 | 2024-02-09 | 成都高鑫机械制造有限公司 | Zinc-nickel alloy electroplating process for metal surface |
| CN115386864A (en) * | 2022-08-08 | 2022-11-25 | 青岛绿波源新材料科技有限公司 | Ni-P-ETFE composite nano-coating and preparation method thereof |
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| CN1070959A (en) * | 1992-11-20 | 1993-04-14 | 成都市东风电镀厂 | Rare earth low-temperature nickel plating catalyst |
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| CN101280445B (en) * | 2008-05-16 | 2011-08-24 | 广州杰赛科技股份有限公司 | Electroplating process for surface of magnesium alloy motorcycle hub |
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