CN107345308A - A kind of electroplating technology that made tap casting is processed by gravitation casting method - Google Patents
A kind of electroplating technology that made tap casting is processed by gravitation casting method Download PDFInfo
- Publication number
- CN107345308A CN107345308A CN201710553465.3A CN201710553465A CN107345308A CN 107345308 A CN107345308 A CN 107345308A CN 201710553465 A CN201710553465 A CN 201710553465A CN 107345308 A CN107345308 A CN 107345308A
- Authority
- CN
- China
- Prior art keywords
- casting
- tap
- nickel
- plating
- degreasing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
- C25D3/06—Electroplating: Baths therefor from solutions of chromium from solutions of trivalent chromium
-
- 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
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
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)
- Electroplating And Plating Baths Therefor (AREA)
Abstract
The invention discloses a kind of electroplating technology that made tap casting is processed by gravitation casting method, it is related to gravitational casting technical field, mainly comprises the following steps：(1) ultrasonic degreasing oil removing, (2) nickel plating, (3) chromium plating, (4) test package.The present invention forms the nickel coating of thickness >=10 μm and the chromium coating of thickness >=0.25 μm by the electroplating technology in tap cast(ing) surface successively, so as to be played a good protection by the coating of formation to casting；By ultrasonic degreasing oil removal treatment, the degreasing degreasing rate of casting is set to reach more than 99.9%, in favor of the progress of electroplating technology；Gained coating has the performances such as excellent wearability, cold-resistant thermal impact, salt fog resistance and corrosion resistance, to improve the use quality of tap accessory, extends the service life of tap accessory.
Description
Technical field：
The present invention relates to gravitational casting technical field, and in particular to one kind processes made tap casting by gravitation casting method
Electroplating technology.
Background technology：
Gravitational casting, refer to make casting mold with iron, copper or other shapes, under gravity inject the metal of melting
Casting mold and the process for obtaining casting.Tap is the popular appellation of water valve, for controlling the size switch of current, there is water saving
The effect of.The gravity foundry technology of tap include coremaking, casting and arrange three bulks, and arrange comprising polishing, electroplate and
The links such as assembling.Wherein plating refer to nickel plating and chromium plating on the casting after polished, with ensure the presentation quality of tap and
Service life.
The processing raw material of tap casting are typically using special A levels refining brass, and copper content reaches 59-61%, different from one
As brass, corrosion resistance is strong, can the permanent light of holding surface, lead content is less than 3.5%.In order to improve making for tap
With performance, it will usually carry out plating processing to it, excellent resistance to of the tap plated item as obtained by assigning nickel plating and chromium plating process
The performance such as mill property, corrosion resistance, cold-resistant thermal impact.At present, there is complex operation, process-cycle length in casting electroplating technology
And gained coating performance the problem of not reaching demand, can not ensure final processing gained tap accessory uses the longevity
Life.
The content of the invention：
The technical problems to be solved by the invention be to provide it is a kind of it is easy to operate, coating performance is good is cast by gravity
Make the electroplating technology that method processes made tap casting.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of electroplating technology that made tap casting is processed by gravitation casting method, mainly comprises the following steps：
(1) ultrasonic degreasing oil removing：Tap casting is immersed in the degreasing degreasing liquid of flowing, flow velocity 30-50L/
Min, 10-60min is ultrasonically treated at supersonic frequency 40kHz, 50-60 DEG C of ultrasonic temperature, and washes, dry；
(2) nickel plating：Tap casting after ultrasonic degreasing oil removal treatment is immersed in 55-65 DEG C of nickel-plating liquid, 30-
The nickel coating of thickness >=10 μm is formed after 60min through chemical nickel plating, and washes, dry；
(3) chromium plating：Tap casting after nickel plating is immersed in 60-70 DEG C of chromium plating liquid, through chemistry after 30-60min
Chromium plating forms the chromium coating of thickness >=0.25 μm, and washes, dries；
(4) test package：To after above-mentioned electroplating processes gained tap plating piece product test, meet test stone
Product carry out packaging and storage, do not meet test stone product carry out strip throw again；
The nickel-plating liquid is mixed by the raw material of following weight concentration：Nickel sulfate 15-20g/L, sodium hypophosphite 5-
10g/L, sodium citrate 1-5g/L, auxiliary curing agent 1-5g/L, stannous sulfate 0.5-2g/L, ammonium molybdate 0.5-2g/L, sodium pyrophosphate
0.5-2g/L, cetanol 0.1-1g/L, remaining is water.
The chromium plating liquid is mixed by the raw material of following weight concentration：Chromium sulfate 15-20g/L, chromium acetate 5-10g/L,
Sodium hypophosphite 1-5g/L, auxiliary curing agent 1-5g/L, potassium pyrophosphate 0.5-2g/L, boric acid 0.5-2g/L, bismuth citrate 0.5-2g/
L, stearyl alcohol 0.1-1g/L, remaining is water.
By PLURONICS F87 and itaconic anhydride, modified processing is made the auxiliary curing agent again after condensation reaction, and it has
Preparation is：PLURONICS F87 is warming up to 130-140 DEG C of insulation grinding 10-15min, itaconic anhydride is added, continues
In 130-140 DEG C of insulation grinding 3-5h, and sealing and standing 1-3h in 0-5 DEG C of environment is transferred to immediately, then add N- ethoxys third
Acrylamide and hydrogenated palm oil, are warming up to 120-130 DEG C of insulation grinding 0.5-1h, and gained mixture is sent into planetary ball mill
In, granularity is milled to less than 10 μm, produces auxiliary curing agent.
The PLURONICS F87, itaconic anhydride, the mass ratio of N- hydroxyethyl acrylamides and hydrogenated palm oil are 10-15:
5-10:1-5:0.5-3。
The degreasing degreasing liquid is mixed by the raw material of following weight concentration：Poly glycol monomethyl ether/polyglutamic acid
10-15g/L, acetylation mono-fatty acid glyceride 1-5g/L, hydroxypropul starch 0.5-2g/L, sodium gluconate 0.5-2g/L, nothing
Suffer from sub- saponin(e 0.5-2g/L, saleratus power 0.1-0.5g/L, remaining is water.
The preparation method of the poly glycol monomethyl ether/polyglutamic acid is：35- is added dropwise under grinding into polyglutamic acid
40 DEG C of water add poly glycol monomethyl ether, are sufficiently mixed after microwave frequency 2450MHz, power output up to being completely dissolved
Microwave treatment 5-10min under 700W, and polyethylene glycol oxide and PDDA are added, continue after well mixed
Microwave treatment 5-10min, gained mixed liquor are sent into spray dryer, dry gained particle and micro mist is made through micronizer,
Produce poly glycol monomethyl ether/polyglutamic acid.
The polyglutamic acid, poly glycol monomethyl ether, the matter of polyethylene glycol oxide and PDDA
It is 5-10 to measure ratio:5-10:1-5:0.5-1.
The beneficial effects of the invention are as follows：The present invention forms thickness in tap cast(ing) surface successively by the electroplating technology
>=10 μm of nickel coating and the chromium coating of thickness >=0.25 μm, make so as to play good protection to casting by the coating of formation
With；By ultrasonic degreasing oil removal treatment, the degreasing degreasing rate of casting is set to reach more than 99.9%, in favor of entering for electroplating technology
OK；Gained coating has the performances such as excellent wearability, cold-resistant thermal impact, salt fog resistance and corrosion resistance, to improve
The use quality of tap accessory, extend the service life of tap accessory, so as to strengthen the market of processed tap product
Competitiveness.
Embodiment：
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1
(1) ultrasonic degreasing oil removing：Tap casting is immersed in the degreasing degreasing liquid of flowing, flow velocity 30L/min, in
30min is ultrasonically treated at supersonic frequency 40kHz, 50-60 DEG C of ultrasonic temperature, and washes, dry；
(2) nickel plating：Tap casting after ultrasonic degreasing oil removal treatment is immersed in 55-65 DEG C of nickel-plating liquid,
The nickel coating of thickness >=10 μm is formed after 60min through chemical nickel plating, and washes, dry；
(3) chromium plating：Tap casting after nickel plating is immersed in 60-70 DEG C of chromium plating liquid, through chemical chromium plating after 45min
The chromium coating of thickness >=0.25 μm is formed, and washes, dry；
(4) test package：To after above-mentioned electroplating processes gained tap plating piece product test, meet test stone
Product carry out packaging and storage, do not meet test stone product carry out strip throw again；
The preparation of nickel-plating liquid：Nickel sulfate 15g/L, sodium hypophosphite 5g/L, sodium citrate 3g/L, auxiliary curing agent 1g/L, sulphur
Sour stannous 0.5g/L, ammonium molybdate 0.5g/L, sodium pyrophosphate 0.5g/L, cetanol 0.1g/L, remaining is water.
The preparation of chromium plating liquid：Chromium sulfate 20g/L, chromium acetate 5g/L, sodium hypophosphite 5g/L, auxiliary curing agent 2g/L, burnt phosphorus
Sour potassium 2g/L, boric acid 0.5g/L, bismuth citrate 0.5g/L, stearyl alcohol 0.1g/L, remaining is water.
The preparation of auxiliary curing agent：10g PLURONICS F87s are warming up to 130-140 DEG C of insulation grinding 10min, add 5g
Itaconic anhydride, continue in 130-140 DEG C of insulation grinding 3h, and be transferred to sealing and standing 2h in 0-5 DEG C of environment immediately, then add 2g
N- hydroxyethyl acrylamides and 0.5g hydrogenated palm oils, are warming up to 120-130 DEG C of insulation grinding 1h, and gained mixture is sent into planet
In formula ball mill, granularity is milled to less than 10 μm, produces auxiliary curing agent.
The preparation of degreasing degreasing liquid：Poly glycol monomethyl ether/polyglutamic acid 10g/L, acetylation mono-fatty acid glyceride
3g/L, hydroxypropul starch 0.5g/L, sodium gluconate 0.5g/L, sapindoside 0.5g/L, saleratus power 0.3g/L, remaining is
Water.
The preparation of poly glycol monomethyl ether/polyglutamic acid：35-40 DEG C of water is added dropwise under grinding into 10g polyglutamic acids
Until being completely dissolved, 10g poly glycol monomethyl ethers are added, are sufficiently mixed after microwave frequency 2450MHz, power output 700W
Lower microwave treatment 10min, and 2g polyethylene glycol oxides and 0.5g PDDAs are added, continue after well mixed
Microwave treatment 10min, gained mixed liquor are sent into spray dryer, dry gained particle and micro mist is made through micronizer, i.e.,
Obtain poly glycol monomethyl ether/polyglutamic acid.
Embodiment 2
(1) ultrasonic degreasing oil removing：Tap casting is immersed in the degreasing degreasing liquid of flowing, flow velocity 50L/min, in
45min is ultrasonically treated at supersonic frequency 40kHz, 50-60 DEG C of ultrasonic temperature, and washes, dry；
(2) nickel plating：Tap casting after ultrasonic degreasing oil removal treatment is immersed in 55-65 DEG C of nickel-plating liquid,
The nickel coating of thickness >=10 μm is formed after 45min through chemical nickel plating, and washes, dry；
(3) chromium plating：Tap casting after nickel plating is immersed in 60-70 DEG C of chromium plating liquid, through chemical chromium plating after 45min
The chromium coating of thickness >=0.25 μm is formed, and washes, dry；
(4) test package：To after above-mentioned electroplating processes gained tap plating piece product test, meet test stone
Product carry out packaging and storage, do not meet test stone product carry out strip throw again；
The preparation of nickel-plating liquid：Nickel sulfate 20g/L, sodium hypophosphite 5g/L, sodium citrate 5g/L, auxiliary curing agent 2g/L, sulphur
Sour stannous 1g/L, ammonium molybdate 0.5g/L, sodium pyrophosphate 0.5g/L, cetanol 0.1g/L, remaining is water.
The preparation of chromium plating liquid：Chromium sulfate 15g/L, chromium acetate 5g/L, sodium hypophosphite 3g/L, auxiliary curing agent 1g/L, burnt phosphorus
Sour potassium 1g/L, boric acid 0.5g/L, bismuth citrate 0.5g/L, stearyl alcohol 0.1g/L, remaining is water.
The preparation of auxiliary curing agent：15g PLURONICS F87s are warming up to 130-140 DEG C of insulation grinding 15min, add 5g
Itaconic anhydride, continue in 130-140 DEG C of insulation grinding 5h, and be transferred to sealing and standing 3h in 0-5 DEG C of environment immediately, then add 3g
N- hydroxyethyl acrylamides and 0.5g hydrogenated palm oils, are warming up to 120-130 DEG C of insulation grinding 1h, and gained mixture is sent into planet
In formula ball mill, granularity is milled to less than 10 μm, produces auxiliary curing agent.
The preparation of degreasing degreasing liquid：Poly glycol monomethyl ether/polyglutamic acid 15g/L, acetylation mono-fatty acid glyceride
5g/L, hydroxypropul starch 0.5g/L, sodium gluconate 0.5g/L, sapindoside 0.5g/L, saleratus power 0.3g/L, remaining is
Water.
The preparation of poly glycol monomethyl ether/polyglutamic acid：Into 5g polyglutamic acids, 35-40 DEG C of water of dropwise addition is straight under grinding
To being completely dissolved, 5g poly glycol monomethyl ethers are added, are sufficiently mixed after under microwave frequency 2450MHz, power output 700W
Microwave treatment 5min, and 1g polyethylene glycol oxides and 0.5g PDDAs are added, continue after well mixed micro-
Ripple handles 10min, and gained mixed liquor is sent into spray dryer, dries gained particle and micro mist is made through micronizer, produce
Poly glycol monomethyl ether/polyglutamic acid.
Reference examples 1
(1) ultrasonic degreasing oil removing：Tap casting is immersed in the degreasing degreasing liquid of flowing, flow velocity 50L/min, in
45min is ultrasonically treated at supersonic frequency 40kHz, 50-60 DEG C of ultrasonic temperature, and washes, dry；
(2) nickel plating：Tap casting after ultrasonic degreasing oil removal treatment is immersed in 55-65 DEG C of nickel-plating liquid,
The nickel coating of thickness >=10 μm is formed after 45min through chemical nickel plating, and washes, dry；
(3) chromium plating：Tap casting after nickel plating is immersed in 60-70 DEG C of chromium plating liquid, through chemical chromium plating after 45min
The chromium coating of thickness >=0.25 μm is formed, and washes, dry；
(4) test package：To after above-mentioned electroplating processes gained tap plating piece product test, meet test stone
Product carry out packaging and storage, do not meet test stone product carry out strip throw again；
The preparation of nickel-plating liquid：Nickel sulfate 20g/L, sodium hypophosphite 5g/L, sodium citrate 5g/L, auxiliary curing agent 2g/L, sulphur
Sour stannous 1g/L, ammonium molybdate 0.5g/L, sodium pyrophosphate 0.5g/L, cetanol 0.1g/L, remaining is water.
The preparation of chromium plating liquid：Chromium sulfate 15g/L, chromium acetate 5g/L, sodium hypophosphite 3g/L, auxiliary curing agent 1g/L, burnt phosphorus
Sour potassium 1g/L, boric acid 0.5g/L, bismuth citrate 0.5g/L, stearyl alcohol 0.1g/L, remaining is water.
The preparation of auxiliary curing agent：15g PLURONICS F87s are warming up to 130-140 DEG C of insulation grinding 15min, add 5g
Itaconic anhydride, continue in 130-140 DEG C of insulation grinding 5h, and be transferred to sealing and standing 3h in 0-5 DEG C of environment immediately, then add 3g
N- hydroxyethyl acrylamides and 0.5g hydrogenated palm oils, are warming up to 120-130 DEG C of insulation grinding 1h, and gained mixture is sent into planet
In formula ball mill, granularity is milled to less than 10 μm, produces auxiliary curing agent.
The preparation of degreasing degreasing liquid：Acetylation mono-fatty acid glyceride 20g/L, hydroxypropul starch 0.5g/L, gluconic acid
Sodium 0.5g/L, sapindoside 0.5g/L, saleratus power 0.3g/L, remaining is water.
Reference examples 2
(1) ultrasonic degreasing oil removing：Tap casting is immersed in the degreasing degreasing liquid of flowing, flow velocity 50L/min, in
45min is ultrasonically treated at supersonic frequency 40kHz, 50-60 DEG C of ultrasonic temperature, and washes, dry；
(2) nickel plating：Tap casting after ultrasonic degreasing oil removal treatment is immersed in 55-65 DEG C of nickel-plating liquid,
The nickel coating of thickness >=10 μm is formed after 45min through chemical nickel plating, and washes, dry；
(3) chromium plating：Tap casting after nickel plating is immersed in 60-70 DEG C of chromium plating liquid, through chemical chromium plating after 45min
The chromium coating of thickness >=0.25 μm is formed, and washes, dry；
(4) test package：To after above-mentioned electroplating processes gained tap plating piece product test, meet test stone
Product carry out packaging and storage, do not meet test stone product carry out strip throw again；
The preparation of nickel-plating liquid：Nickel sulfate 20g/L, sodium hypophosphite 5g/L, sodium citrate 5g/L, stannous sulfate 1g/L, molybdenum
Sour ammonium 0.5g/L, sodium pyrophosphate 0.5g/L, cetanol 0.1g/L, remaining is water.
The preparation of chromium plating liquid：Chromium sulfate 15g/L, chromium acetate 5g/L, sodium hypophosphite 3g/L, auxiliary curing agent 1g/L, burnt phosphorus
Sour potassium 1g/L, boric acid 0.5g/L, bismuth citrate 0.5g/L, stearyl alcohol 0.1g/L, remaining is water.
The preparation of auxiliary curing agent：15g PLURONICS F87s are warming up to 130-140 DEG C of insulation grinding 15min, add 5g
Itaconic anhydride, continue in 130-140 DEG C of insulation grinding 5h, and be transferred to sealing and standing 3h in 0-5 DEG C of environment immediately, then add 3g
N- hydroxyethyl acrylamides and 0.5g hydrogenated palm oils, are warming up to 120-130 DEG C of insulation grinding 1h, and gained mixture is sent into planet
In formula ball mill, granularity is milled to less than 10 μm, produces auxiliary curing agent.
The preparation of degreasing degreasing liquid：Poly glycol monomethyl ether/polyglutamic acid 15g/L, acetylation mono-fatty acid glyceride
5g/L, hydroxypropul starch 0.5g/L, sodium gluconate 0.5g/L, sapindoside 0.5g/L, saleratus power 0.3g/L, remaining is
Water.
The preparation of poly glycol monomethyl ether/polyglutamic acid：Into 5g polyglutamic acids, 35-40 DEG C of water of dropwise addition is straight under grinding
To being completely dissolved, 5g poly glycol monomethyl ethers are added, are sufficiently mixed after under microwave frequency 2450MHz, power output 700W
Microwave treatment 5min, and 1g polyethylene glycol oxides and 0.5g PDDAs are added, continue after well mixed micro-
Ripple handles 10min, and gained mixed liquor is sent into spray dryer, dries gained particle and micro mist is made through micronizer, produce
Poly glycol monomethyl ether/polyglutamic acid.
Reference examples 3
(1) ultrasonic degreasing oil removing：Tap casting is immersed in the degreasing degreasing liquid of flowing, flow velocity 50L/min, in
45min is ultrasonically treated at supersonic frequency 40kHz, 50-60 DEG C of ultrasonic temperature, and washes, dry；
(2) nickel plating：Tap casting after ultrasonic degreasing oil removal treatment is immersed in 55-65 DEG C of nickel-plating liquid,
The nickel coating of thickness >=10 μm is formed after 45min through chemical nickel plating, and washes, dry；
(3) chromium plating：Tap casting after nickel plating is immersed in 60-70 DEG C of chromium plating liquid, through chemical chromium plating after 45min
The chromium coating of thickness >=0.25 μm is formed, and washes, dry；
(4) test package：To after above-mentioned electroplating processes gained tap plating piece product test, meet test stone
Product carry out packaging and storage, do not meet test stone product carry out strip throw again；
The preparation of nickel-plating liquid：Nickel sulfate 20g/L, sodium hypophosphite 5g/L, sodium citrate 5g/L, auxiliary curing agent 2g/L, sulphur
Sour stannous 1g/L, ammonium molybdate 0.5g/L, sodium pyrophosphate 0.5g/L, cetanol 0.1g/L, remaining is water.
The preparation of chromium plating liquid：Chromium sulfate 15g/L, chromium acetate 5g/L, sodium hypophosphite 3g/L, potassium pyrophosphate 1g/L, boric acid
0.5g/L, bismuth citrate 0.5g/L, stearyl alcohol 0.1g/L, remaining is water.
The preparation of auxiliary curing agent：15g PLURONICS F87s are warming up to 130-140 DEG C of insulation grinding 15min, add 5g
Itaconic anhydride, continue in 130-140 DEG C of insulation grinding 5h, and be transferred to sealing and standing 3h in 0-5 DEG C of environment immediately, then add 3g
N- hydroxyethyl acrylamides and 0.5g hydrogenated palm oils, are warming up to 120-130 DEG C of insulation grinding 1h, and gained mixture is sent into planet
In formula ball mill, granularity is milled to less than 10 μm, produces auxiliary curing agent.
The preparation of degreasing degreasing liquid：Poly glycol monomethyl ether/polyglutamic acid 15g/L, acetylation mono-fatty acid glyceride
5g/L, hydroxypropul starch 0.5g/L, sodium gluconate 0.5g/L, sapindoside 0.5g/L, saleratus power 0.3g/L, remaining is
Water.
The preparation of poly glycol monomethyl ether/polyglutamic acid：Into 5g polyglutamic acids, 35-40 DEG C of water of dropwise addition is straight under grinding
To being completely dissolved, 5g poly glycol monomethyl ethers are added, are sufficiently mixed after under microwave frequency 2450MHz, power output 700W
Microwave treatment 5min, and 1g polyethylene glycol oxides and 0.5g PDDAs are added, continue after well mixed micro-
Ripple handles 10min, and gained mixed liquor is sent into spray dryer, dries gained particle and micro mist is made through micronizer, produce
Poly glycol monomethyl ether/polyglutamic acid.
Reference examples 4
(1) ultrasonic degreasing oil removing：Tap casting is immersed in the degreasing degreasing liquid of flowing, flow velocity 50L/min, in
45min is ultrasonically treated at supersonic frequency 40kHz, 50-60 DEG C of ultrasonic temperature, and washes, dry；
(2) nickel plating：Tap casting after ultrasonic degreasing oil removal treatment is immersed in 55-65 DEG C of nickel-plating liquid,
The nickel coating of thickness >=10 μm is formed after 45min through chemical nickel plating, and washes, dry；
(3) chromium plating：Tap casting after nickel plating is immersed in 60-70 DEG C of chromium plating liquid, through chemical chromium plating after 45min
The chromium coating of thickness >=0.25 μm is formed, and washes, dry；
(4) test package：To after above-mentioned electroplating processes gained tap plating piece product test, meet test stone
Product carry out packaging and storage, do not meet test stone product carry out strip throw again；
The preparation of nickel-plating liquid：Nickel sulfate 20g/L, sodium hypophosphite 5g/L, sodium citrate 5g/L, stannous sulfate 1g/L, molybdenum
Sour ammonium 0.5g/L, sodium pyrophosphate 0.5g/L, cetanol 0.1g/L, remaining is water.
The preparation of chromium plating liquid：Chromium sulfate 15g/L, chromium acetate 5g/L, sodium hypophosphite 3g/L, potassium pyrophosphate 1g/L, boric acid
0.5g/L, bismuth citrate 0.5g/L, stearyl alcohol 0.1g/L, remaining is water.
The preparation of degreasing degreasing liquid：Poly glycol monomethyl ether/polyglutamic acid 15g/L, acetylation mono-fatty acid glyceride
5g/L, hydroxypropul starch 0.5g/L, sodium gluconate 0.5g/L, sapindoside 0.5g/L, saleratus power 0.3g/L, remaining is
Water.
The preparation of poly glycol monomethyl ether/polyglutamic acid：Into 5g polyglutamic acids, 35-40 DEG C of water of dropwise addition is straight under grinding
To being completely dissolved, 5g poly glycol monomethyl ethers are added, are sufficiently mixed after under microwave frequency 2450MHz, power output 700W
Microwave treatment 5min, and 1g polyethylene glycol oxides and 0.5g PDDAs are added, continue after well mixed micro-
Ripple handles 10min, and gained mixed liquor is sent into spray dryer, dries gained particle and micro mist is made through micronizer, produce
Poly glycol monomethyl ether/polyglutamic acid.
Embodiment 3
Embodiment 1, embodiment 2, reference examples 1, reference examples 2, reference examples 3, the methods described of reference examples 4 are utilized respectively to same batch
The same specification tap casting of production carries out electroplating processes, and the coating performance and ultrasonic wave of gained electroplated product are taken off
Fat deoiling effect is measured, as a result as shown in table 1.
The coating performance and ultrasonic degreasing deoiling effect of the electroplated product of table 1
| Measure project | Embodiment 1 | Embodiment 2 | Reference examples 1 | Reference examples 2 | Reference examples 3 | Reference examples 4 |
| Degreasing degreasing rate/% | 99.93 | 99.95 | 93.58 | - | - | - |
| Wearability/time | 5000 | 5000 | 4800 | 4300 | 3500 | 2800 |
| Cold-resistant thermal impact | It is without exception | It is without exception | It is without exception | It is without exception | It is without exception | It is without exception |
| Salt fog resistance/h | 240 | 240 | 228 | 204 | 168 | 144 |
| Acid-resistant corrosion/h | 180 | 180 | 168 | 144 | 120 | 84 |
| Alkali corrosion resistance/h | 168 | 168 | 156 | 132 | 108 | 72 |
Wearability test condition：Taber test instrument for testing wear resistance, 60rpm, 20kg；
Cold-resistant thermal impact test condition：2h is placed at -40 DEG C, 85 DEG C of placement 2h are warming up in 3min, repeat 5
Secondary, whether observation plating piece surface there is exception；
Salt fog resistance test condition：20 DEG C are prepared, 50g/L sodium chloride solutions, adjusts pH value to 6.5-7.2；
Acid-resistant corrosion test condition：20 DEG C, 5% sulfuric acid solution；
Alkali corrosion resistance test condition：20 DEG C, 10% sodium hydroxide solution.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
- A kind of 1. electroplating technology that made tap casting is processed by gravitation casting method, it is characterised in that：It is main to include following step Suddenly：(1) ultrasonic degreasing oil removing：Tap casting is immersed in the degreasing degreasing liquid of flowing, flow velocity 30-50L/min, in 10-60min is ultrasonically treated at supersonic frequency 40kHz, 50-60 DEG C of ultrasonic temperature, and washes, dry；(2) nickel plating：Tap casting after ultrasonic degreasing oil removal treatment is immersed in 55-65 DEG C of nickel-plating liquid, 30- The nickel coating of thickness >=10 μm is formed after 60min through chemical nickel plating, and washes, dry；(3) chromium plating：Tap casting after nickel plating is immersed in 60-70 DEG C of chromium plating liquid, through chemical chromium plating after 30-60min The chromium coating of thickness >=0.25 μm is formed, and washes, dry；(4) test package：To after above-mentioned electroplating processes gained tap plating piece product test, meet the production of test stone Product carry out packaging and storage, and the product progress strip for not meeting test stone is thrown again；The nickel-plating liquid is mixed by the raw material of following weight concentration：Nickel sulfate 15-20g/L, sodium hypophosphite 5-10g/L, Sodium citrate 1-5g/L, auxiliary curing agent 1-5g/L, stannous sulfate 0.5-2g/L, ammonium molybdate 0.5-2g/L, sodium pyrophosphate 0.5-2g/ L, cetanol 0.1-1g/L, remaining is water.The chromium plating liquid is mixed by the raw material of following weight concentration：Chromium sulfate 15-20g/L, chromium acetate 5-10g/L, secondary Asia It is sodium phosphate 1-5g/L, auxiliary curing agent 1-5g/L, potassium pyrophosphate 0.5-2g/L, boric acid 0.5-2g/L, bismuth citrate 0.5-2g/L, hard Lipidol 0.1-1g/L, remaining is water.
- 2. the electroplating technology according to claim 1 that made tap casting is processed by gravitation casting method, it is characterised in that： By PLURONICS F87 and itaconic anhydride, modified processing is made the auxiliary curing agent again after condensation reaction, its specific preparation side Method is：PLURONICS F87 is warming up to 130-140 DEG C of insulation grinding 10-15min, itaconic anhydride is added, continues in 130- 140 DEG C of insulation grinding 3-5h, and sealing and standing 1-3h in 0-5 DEG C of environment is transferred to immediately, then add N- hydroxyethyl acrylamides And hydrogenated palm oil, 120-130 DEG C of insulation grinding 0.5-1h is warming up to, gained mixture is sent into planetary ball mill, ball milling It is less than 10 μm to granularity, produces auxiliary curing agent.
- 3. the electroplating technology according to claim 2 that made tap casting is processed by gravitation casting method, it is characterised in that： The PLURONICS F87, itaconic anhydride, the mass ratio of N- hydroxyethyl acrylamides and hydrogenated palm oil are 10-15:5-10:1- 5:0.5-3。
- 4. the electroplating technology according to claim 1 that made tap casting is processed by gravitation casting method, it is characterised in that： The degreasing degreasing liquid is mixed by the raw material of following weight concentration：Poly glycol monomethyl ether/polyglutamic acid 10-15g/L, Acetylation mono-fatty acid glyceride 1-5g/L, hydroxypropul starch 0.5-2g/L, sodium gluconate 0.5-2g/L, sapindoside 0.5-2g/L, saleratus power 0.1-0.5g/L, remaining is water.
- 5. the electroplating technology according to claim 4 that made tap casting is processed by gravitation casting method, it is characterised in that： The preparation method of the poly glycol monomethyl ether/polyglutamic acid is：Into polyglutamic acid, 35-40 DEG C of water of dropwise addition is straight under grinding To being completely dissolved, poly glycol monomethyl ether is added, is sufficiently mixed after micro- under microwave frequency 2450MHz, power output 700W Ripple handles 5-10min, and adds polyethylene glycol oxide and PDDA, continues microwave treatment after well mixed 5-10min, gained mixed liquor are sent into spray dryer, dry gained particle and micro mist is made through micronizer, produce poly- second Glycol monomethyl ether/polyglutamic acid.
- 6. the electroplating technology according to claim 5 that made tap casting is processed by gravitation casting method, it is characterised in that： The polyglutamic acid, poly glycol monomethyl ether, the mass ratio of polyethylene glycol oxide and PDDA are 5- 10:5-10:1-5:0.5-1。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710553465.3A CN107345308A (en) | 2017-07-08 | 2017-07-08 | A kind of electroplating technology that made tap casting is processed by gravitation casting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710553465.3A CN107345308A (en) | 2017-07-08 | 2017-07-08 | A kind of electroplating technology that made tap casting is processed by gravitation casting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107345308A true CN107345308A (en) | 2017-11-14 |
Family
ID=60257909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710553465.3A Pending CN107345308A (en) | 2017-07-08 | 2017-07-08 | A kind of electroplating technology that made tap casting is processed by gravitation casting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107345308A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107550814A (en) * | 2017-09-15 | 2018-01-09 | 安徽邦蕴物流有限公司 | A kind of black hair remy hair shampoo production technology prepared using sorosis extract |
| CN108906525A (en) * | 2018-05-29 | 2018-11-30 | 泉州联创厨卫有限公司 | A kind of production technology of cast zinc alloy tap |
| CN111826696A (en) * | 2020-07-15 | 2020-10-27 | 九牧厨卫股份有限公司 | Black surface composite coating and preparation method thereof |
| CN114808050A (en) * | 2022-04-13 | 2022-07-29 | 江门市瑞期精细化学工程有限公司 | Nano nickel plating liquid medicine and nickel plating method |
| EP4151779A1 (en) * | 2021-09-15 | 2023-03-22 | Trivalent Oberflächentechnik GmbH | Chrome-indium, chrome-bismuth and chrome antimony coating, method for the production and use thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001348679A (en) * | 2000-06-08 | 2001-12-18 | Toto Ltd | Method for plating water supply fitting made of copper or copper alloy and its plated product |
| CN103361688A (en) * | 2013-07-22 | 2013-10-23 | 珠海祥锦五金电器有限公司 | Sanitary product surface treatment method |
| CN104532319A (en) * | 2014-12-23 | 2015-04-22 | 乔登卫浴(江门)有限公司 | Nickel-chromium electroplating technology of water faucet |
-
2017
- 2017-07-08 CN CN201710553465.3A patent/CN107345308A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001348679A (en) * | 2000-06-08 | 2001-12-18 | Toto Ltd | Method for plating water supply fitting made of copper or copper alloy and its plated product |
| CN103361688A (en) * | 2013-07-22 | 2013-10-23 | 珠海祥锦五金电器有限公司 | Sanitary product surface treatment method |
| CN104532319A (en) * | 2014-12-23 | 2015-04-22 | 乔登卫浴(江门)有限公司 | Nickel-chromium electroplating technology of water faucet |
Non-Patent Citations (4)
| Title |
|---|
| 姚日生: "《药用高分子材料》", 31 March 2008, 北京：化学工业出版社 * |
| 张允诚: "《电镀手册 第4版》", 31 December 2011, 北京：国防工业出版社 * |
| 杜建: "聚乙二醇单甲醚-聚谷氨酸的合成与表征", 《生物医学工程学杂志》 * |
| 王尚义: "《汽车塑料件电镀工艺》", 31 August 2009, 北京：机械工业出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107550814A (en) * | 2017-09-15 | 2018-01-09 | 安徽邦蕴物流有限公司 | A kind of black hair remy hair shampoo production technology prepared using sorosis extract |
| CN108906525A (en) * | 2018-05-29 | 2018-11-30 | 泉州联创厨卫有限公司 | A kind of production technology of cast zinc alloy tap |
| CN108906525B (en) * | 2018-05-29 | 2022-01-04 | 泉州联创厨卫有限公司 | Production process for casting zinc alloy faucet |
| CN111826696A (en) * | 2020-07-15 | 2020-10-27 | 九牧厨卫股份有限公司 | Black surface composite coating and preparation method thereof |
| CN111826696B (en) * | 2020-07-15 | 2022-01-04 | 九牧厨卫股份有限公司 | Black surface composite coating and preparation method thereof |
| EP4151779A1 (en) * | 2021-09-15 | 2023-03-22 | Trivalent Oberflächentechnik GmbH | Chrome-indium, chrome-bismuth and chrome antimony coating, method for the production and use thereof |
| CN114808050A (en) * | 2022-04-13 | 2022-07-29 | 江门市瑞期精细化学工程有限公司 | Nano nickel plating liquid medicine and nickel plating method |
| CN114808050B (en) * | 2022-04-13 | 2024-05-10 | 江门市瑞期精细化学工程有限公司 | Nano nickel plating liquid medicine and nickel plating method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107345308A (en) | A kind of electroplating technology that made tap casting is processed by gravitation casting method | |
| CN102400165B (en) | Cleaning agent for stainless steel seamless stay tubes and preparation method for cleaning agent | |
| CN103820774A (en) | Stainless steel pickling passivation cream with high transparency and high viscosity and preparation method thereof | |
| CN108165971A (en) | The anti-rotten antirust passivation process of copper alloy surface | |
| CN103422092B (en) | A kind of polishing fluid and finishing method thereof | |
| CN102400162B (en) | Cleaning agent for stainless steel cold-rolling piece and preparation method thereof | |
| CN107557709B (en) | A kind of environment-friendly type zincincation | |
| CN107354451A (en) | A kind of iron and steel casting room temperature blacking liquid and preparation method thereof | |
| CN110114511A (en) | Steel plate detergent composition | |
| CN105063704B (en) | A kind of pack alloy electroplating pretreatment process and electronic device | |
| CN106011715A (en) | Pretreatment method for oxygen blowing welded pipe before welded pipe aluminizing processing | |
| CN102051616A (en) | Surface treatment method for movable iron core of fuel gas proportional valve | |
| CN102363341B (en) | Medicinal capsule mold and making technology thereof | |
| CN107675193A (en) | A kind of raw material of aluminum alloy preprocess method | |
| CN105350005B (en) | A kind of compounding pickle containing passivator and preparation method thereof | |
| CN105312484B (en) | A kind of silica sand surface pre-treating process and its application | |
| CN105543937B (en) | A kind of stainless steel cooker electrolytic passivation liquid and its passivation process | |
| CN105525320A (en) | Nickel plating method used for heating plate | |
| CN106521525A (en) | Stainless steel surface treating agent as well as preparation method thereof and using method thereof | |
| CN105063706A (en) | Pretreatment method for chemical nickel-plated diamond micro-powder | |
| CN102363889A (en) | Cleaning antirust agent for diesel engine casting body and preparation method thereof | |
| CN105239082A (en) | Lithium ion battery cleaning agent and preparing method thereof | |
| CN115522117A (en) | Novel joint bolt production process | |
| CN103469223A (en) | Brightening and derusting agent | |
| CN107641803A (en) | The method of aluminum alloy die casting passivating solution, preparation method and Passivation Treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171114 |
|
| RJ01 | Rejection of invention patent application after publication |