CN107313042A - A kind of auto parts surface processing technique - Google Patents
A kind of auto parts surface processing technique Download PDFInfo
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- CN107313042A CN107313042A CN201710563873.7A CN201710563873A CN107313042A CN 107313042 A CN107313042 A CN 107313042A CN 201710563873 A CN201710563873 A CN 201710563873A CN 107313042 A CN107313042 A CN 107313042A
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- auto parts
- processing technique
- parts surface
- surface processing
- phosphating
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/78—Pretreatment of the material to be coated
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
- C23G5/06—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using emulsions
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a kind of auto parts surface processing technique; including oil removing surface derusting and activation phosphatization saponification surface modification oiling; this technique is handled by surface degreasing derusting phosphating; increase surface modification, provide protection to automobile metal part, prevent metal to be corroded to a certain extent; simultaneously for preceding bottoming of painting; the adhesive force and anti-corrosion capability of paint film layer are improved, the surface property of auto parts can be effectively improved, to improve the service life of auto parts.
Description
Technical field
The present invention relates to auto parts processing technology field, more particularly to a kind of auto parts surface processing technique.
Background technology
Auto parts machinery processing is the product for constituting the overall each unit of auto parts machinery processing and serving auto parts machinery processing,
Auto parts can effectively lift the performance of part by Surface Machining.
Such as patent CN201310031503.0 is the present invention provide a kind of cylindrical grinder ultrasonic metal surface processing technology,
Comprise the following steps：(1) workpiece surface is processed before ultrasonic wave processing is carried out and reaches processing request；(2) by work
Part clamping will be arranged on cylindrical grinder on the workbench of cylindrical grinder for the ultrasonic metallic surface processing device of grinding machine
On grinding carriage；(3) start cylindrical grinder, workpiece is rotated with grinding machine spindle, and make length feed with Grinder bench；
(4) start ultrasonic metallic surface processing device, make the ultrasonic wave processing cutting tool and work on ultrasonic metallic surface processing device
Part contacts and applies certain pressure to workpiece；(5) ultrasonic wave processing, parameter root during ultrasonic wave processing are carried out to workpiece surface
Selected according to workpiece material.Installation way, technological parameter when the present invention carries out on milling machine ultrasonic wave processing to workpiece are carried out
Clearly formulate, it is ensured that ultrasonic wave processing is carried out in the best condition, reaches the optimum efficiency of ultrasonic wave processing.The surface adds
Lifting limitation of the work technique to part performance.
The content of the invention
A kind of auto parts surface processing technique, its step includes：
(1) oil removing
The grease on auto parts surface is removed using emulsion degreasing agent de-oiling and alkaline degreasing two ways；
(2) surface derusting and activation
Derusted and activated with 1: 3-5 HCl/water solution；
(3) phosphatization
The formula material of phosphating solution is NaOH, NaNO2、H3PO4, ZnO, each group distribution ratio is：Zn2+(0.192mol/L)；
Na+(0.129mol/L)；NO2-(0.1025mol/L), using immersion by auto parts immerse phosphating solution in, with high temperature, in
Temperature, low temperature and any temperature model of normal temperature carry out phosphorating treatment；
(4) saponification
Workpiece surface is in acidity, it is necessary to carry out saponification process after phosphatization；
(5) surface modification
In 0.5mol/L sulphur a beautiful gem solution, using part as anode, using copper wire as negative electrode, under energization 50V, using circulation
Voltammetry is swept 20-80 circles in piece surface modification and modified；
(6) oiling
With machine oil, normal temperature dipping 5-10min.
It is preferred that, the composition of step (1) the emulsion degreasing agent includes kerosene, turpentine oil, laurate, triethanolamine, fourth
Base cellosolve, surfactant and the sodium metasilicate aqueous solution, the mass ratio of its each component is 61:22.5:5.4:3.6:1.5:
2.4:6.7。
It is preferred that, the step (2) carries out burnishing part before using aqueous hydrochloric acid solution immersion to auto parts surface
Reason：The first step：Palm-type dry mill is coordinated to carry out smooth corase grind using P50-80# dry abrasive papers；Second step：Use P150-
200# dry abrasive papers coordinate dry grinding hand plane finely to be polished.
It is preferred that, the high temperature phosphorization condition in the step (3) is 90-98 DEG C；50-70 DEG C of middle temperature phosphating；Low temperature phosphor
25-35℃；15-35 DEG C of normal temperature phosphating.
It is preferred that, step (4) the saponification process process is：Auto parts are immersed in 15g/L suds
20min。
It is preferred that, the machine oil that oiling is used in the step (6) is 70# machine oil.
Beneficial effect：The invention provides a kind of auto parts surface processing technique, including oil removing-surface derusting and work
Change-phosphatization-saponification-surface modification-oiling, this technique is handled by surface degreasing derusting phosphating, increases surface modification, to automobile
Metal parts provides protection, prevents metal to be corroded to a certain extent, while for preceding bottoming of painting, improving the attached of paint film layer
Put forth effort and anti-corrosion capability, the surface property of auto parts can be effectively improved, it is described to improve the service life of auto parts
The composition of step (1) emulsion degreasing agent includes kerosene, turpentine oil, laurate, triethanolamine, butyl cellosolve, surfactant
With the sodium metasilicate aqueous solution, the mass ratio of its each component is 61:22.5:5.4:3.6:1.5:2.4:6.7, said preparation can be effective
Removal piece surface grease, the step (2) using aqueous hydrochloric acid solution immersion before, auto parts surface is beaten
Mill processing：The first step：Palm-type dry mill is coordinated to carry out smooth corase grind using P50-80# dry abrasive papers；Second step：Use
P150-200# dry abrasive papers coordinate dry grinding hand plane finely to be polished, and the technical process can improve the smoothness of auto parts,
High temperature phosphorization condition in the step (3) is 90-98 DEG C；50-70 DEG C of middle temperature phosphating；25-35 DEG C of low temperature phosphor；Normal temperature phosphating
15-35 DEG C, the technique can provide the preference temperature of phosphatization, to improve the formation quality of phosphating coat, step (4) the saponification work
Skill process is：Auto parts are immersed in 20min in 15g/L suds, the technique can eliminate acid influence, reinforce phosphatization
The machine oil that oiling is used in film fastness, the step (6) is 70# machine oil, and the machine oil enables to the protection on auto parts surface
Film has the shallow attachment dynamics for deepening, improving diaphragm.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, is expanded on further the present invention.
Embodiment 1：
A kind of auto parts surface processing technique, its step includes：
(1) oil removing
The grease on auto parts surface, emulsion degreasing agent are removed using emulsion degreasing agent de-oiling and alkaline degreasing two ways
Composition include kerosene, turpentine oil, laurate, triethanolamine, butyl cellosolve, surfactant and the sodium metasilicate aqueous solution,
The mass ratio of its each component is 61:22.5:5.4:3.6:1.5:2.4:6.7；
(2) surface derusting and activation
Before being soaked using aqueous hydrochloric acid solution, grinding process is carried out to auto parts surface：The first step：Dry grinded using P50#
Sand paper coordinates palm-type dry mill to carry out smooth corase grind；Second step：Dry grinding hand plane is coordinated to carry out using P150# dry abrasive papers fine
Polishing, is derusted and is activated with 1: 3 HCl/water solution；
(3) phosphatization
The formula material of phosphating solution is NaOH, NaNO2、H3PO4, ZnO, each group distribution ratio is：Zn2+(0.192mol/L)；
Na+(0.129mol/L)；NO2-(0.1025mol/L), is immersed auto parts in phosphating solution using immersion, with high temperature mode
Phosphorating treatment is carried out, high temperature phosphorization condition is 90-98 DEG C；
(4) saponification
Workpiece surface is in acidity, it is necessary to carry out saponification process after phosphatization, and saponification process process is：Auto parts are immersed in
20min in 15g/L suds；
(5) surface modification
In 0.5mol/L sulphur a beautiful gem solution, using part as anode, using copper wire as negative electrode, under energization 50V, using circulation
Voltammetry is swept 20 circles in piece surface modification and modified；
(6) oiling
Use 70# machine oil, normal temperature dipping 5min.
Embodiment 2：
A kind of auto parts surface processing technique, its step includes：
(1) oil removing
The grease on auto parts surface, emulsion degreasing agent are removed using emulsion degreasing agent de-oiling and alkaline degreasing two ways
Composition include kerosene, turpentine oil, laurate, triethanolamine, butyl cellosolve, surfactant and the sodium metasilicate aqueous solution,
The mass ratio of its each component is 61:22.5:5.4:3.6:1.5:2.4:6.7；
(2) surface derusting and activation
Before being soaked using aqueous hydrochloric acid solution, grinding process is carried out to auto parts surface：The first step：Dry grinded using P70#
Sand paper coordinates palm-type dry mill to carry out smooth corase grind；Second step：Dry grinding hand plane is coordinated to carry out using P180# dry abrasive papers fine
Polishing, is derusted and is activated with 1: 4 HCl/water solution；
(3) phosphatization
The formula material of phosphating solution is NaOH, NaNO2、H3PO4, ZnO, each group distribution ratio is：Zn2+(0.192mol/L)；
Na+(0.129mol/L)；NO2-(0.1025mol/L), is immersed auto parts in phosphating solution using immersion, with middle temperature temperature
Pattern carries out phosphorating treatment, 50-70 DEG C of middle temperature phosphating；
(4) saponification
Workpiece surface is in acidity, it is necessary to carry out saponification process after phosphatization, and saponification process process is：Auto parts are immersed in
20min in 15g/L suds；
(5) surface modification
In 0.5mol/L sulphur a beautiful gem solution, using part as anode, using copper wire as negative electrode, under energization 50V, using circulation
Voltammetry is swept 50 circles in piece surface modification and modified；
(6) oiling
Use 70# machine oil, normal temperature dipping 8min.
Embodiment 3：
A kind of auto parts surface processing technique, its step includes：
(1) oil removing
The grease on auto parts surface, emulsion degreasing agent are removed using emulsion degreasing agent de-oiling and alkaline degreasing two ways
Composition include kerosene, turpentine oil, laurate, triethanolamine, butyl cellosolve, surfactant and the sodium metasilicate aqueous solution,
The mass ratio of its each component is 61:22.5:5.4:3.6:1.5:2.4:6.7；
(2) surface derusting and activation
Before being soaked using aqueous hydrochloric acid solution, grinding process is carried out to auto parts surface：The first step：Dry grinded using P80#
Sand paper coordinates palm-type dry mill to carry out smooth corase grind；Second step：Dry grinding hand plane is coordinated to carry out using P200# dry abrasive papers fine
Polishing, is derusted and is activated with 1: 5 HCl/water solution；
(3) phosphatization
The formula material of phosphating solution is NaOH, NaNO2、H3PO4, ZnO, each group distribution ratio is：Zn2+(0.192mol/L)；
Na+(0.129mol/L)；NO2-(0.1025mol/L), is immersed auto parts in phosphating solution using immersion, with cryogenic temperature
Pattern carries out phosphorating treatment, 25-35 DEG C of low temperature phosphor；
(4) saponification
Workpiece surface is in acidity, it is necessary to carry out saponification process after phosphatization, and saponification process process is：Auto parts are immersed in
20min in 15g/L suds；
(5) surface modification
In 0.5mol/L sulphur a beautiful gem solution, using part as anode, using copper wire as negative electrode, under energization 50V, using circulation
Voltammetry is swept 80 circles in piece surface modification and modified；
(6) oiling
Use 70# machine oil, normal temperature dipping 10min.
The sample for extracting each embodiment is tested and analyzed, and is compareed with prior art, draws following data：
It can be drawn according to above table data, when implementing 3 parameter of embodiment, auto parts Surface Machining work of the present invention
Skill, its technological parameter is that antiseptic power grade is that one-level is excellent, and phosphatization film hardness is 70HRB, and diaphragm expulsion rate rate is 1.2%,
Auto parts service life is 12 years, and prior art standard antiseptic power grade is two grades good, and phosphatization film hardness is 50HRB,
Diaphragm expulsion rate rate is 3.6%, and auto parts service life is 10 years, and auto parts surface processing technique of the present invention possesses more
Good antiseptic power, the hardness of phosphating coat is higher, and diaphragm expulsion rate is lower, and auto parts service life is longer, therefore this hair
It is bright that there is significant superiority.
The invention provides a kind of auto parts surface processing technique, including oil removing-surface derusting and activation-phosphatization-soap
Change-surface modification-oiling, this technique is handled by surface degreasing derusting phosphating, is increased surface modification, is carried to automobile metal part
For protection, metal is prevented to be corroded to a certain extent, while for preceding bottoming of painting, improving the adhesive force and anti-corrosion of paint film layer
Erosion ability, can effectively improve the surface property of auto parts, to improve the service life of auto parts, step (1) breast
Changing the composition of degreasing agent includes kerosene, turpentine oil, laurate, triethanolamine, butyl cellosolve, surfactant and sodium metasilicate
The aqueous solution, the mass ratio of its each component is 61:22.5:5.4:3.6:1.5:2.4:6.7, said preparation can effectively remove part
The grease on surface, the step (2) carries out grinding process before using aqueous hydrochloric acid solution immersion to auto parts surface：The
One step：Palm-type dry mill is coordinated to carry out smooth corase grind using P50-80# dry abrasive papers；Second step：Dry grinded using P150-200#
Sand paper coordinates dry grinding hand plane finely to be polished, and the technical process can be improved in the smoothness of auto parts, the step (3)
High temperature phosphorization condition be 90-98 DEG C；50-70 DEG C of middle temperature phosphating；25-35 DEG C of low temperature phosphor；15-35 DEG C of normal temperature phosphating, the work
Artistic skill enough provides the preference temperature of phosphatization, and to improve the formation quality of phosphating coat, step (4) the saponification process process is：Will
Auto parts are immersed in 20min in 15g/L suds, and the technique can eliminate acid influence, reinforce phosphating coat fastness, described
The machine oil that oiling is used in step (6) be 70# machine oil, the machine oil enable to the diaphragm on auto parts surface have it is shallow deepen,
Improve the attachment dynamics of diaphragm.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (6)
1. a kind of auto parts surface processing technique, it is characterised in that its preparation process includes：
(1) oil removing
The grease on auto parts surface is removed using emulsion degreasing agent de-oiling and alkaline degreasing two ways；
(2) surface derusting and activation
Derusted and activated with 1: 3-5 HCl/water solution；
(3) phosphatization
The formula material of phosphating solution is NaOH, NaNO2、H3PO4, ZnO, each group distribution ratio is：Zn2+(0.192mol/L)；Na+
(0.129mol/L)；NO2-(0.1025mol/L), is immersed auto parts in phosphating solution using immersion, with high temperature, middle temperature, low
The gentle any temperature model of normal temperature carries out phosphorating treatment；
(4) saponification
Workpiece surface is in acidity, it is necessary to carry out saponification process after phosphatization；
(5) surface modification
In 0.5mol/L sulphur a beautiful gem solution, using part as anode, using copper wire as negative electrode, under energization 50V, using cyclic voltammetric
Method is swept 20-80 circles in piece surface modification and modified；
(6) oiling
With machine oil, normal temperature dipping 5-10min.
2. a kind of auto parts surface processing technique described in claim 1, it is characterised in that step (1) emulsion degreasing
It is water-soluble that the composition of agent includes kerosene, turpentine oil, laurate, triethanolamine, butyl cellosolve, surfactant and sodium metasilicate
Liquid, the mass ratio of its each component is 61:22.5:5.4:3.6:1.5:2.4:6.7.
3. the auto parts surface processing technique described in a kind of claim 1, it is characterised in that the step (2) is utilizing salt
Before aqueous acid immersion, grinding process is carried out to auto parts surface：The first step：Coordinate hand using P50-80# dry abrasive papers
Hand held dry mill carries out smooth corase grind；Second step：Dry grinding hand plane is coordinated finely to be polished using P150-200# dry abrasive papers.
4. a kind of auto parts surface processing technique described in claim 1, it is characterised in that the high temperature in the step (3)
Phosphatization condition is 90-98 DEG C；50-70 DEG C of middle temperature phosphating；25-35 DEG C of low temperature phosphor；15-35 DEG C of normal temperature phosphating.
5. a kind of auto parts surface processing technique described in claim 1, it is characterised in that step (4) saponification process
Process is：Auto parts are immersed in 20min in 15g/L suds.
6. the auto parts surface processing technique described in a kind of claim 1, it is characterised in that oiling makes in the step (6)
Machine oil is 70# machine oil.
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| CN201710563873.7A CN107313042A (en) | 2017-07-12 | 2017-07-12 | A kind of auto parts surface processing technique |
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| CN201710563873.7A CN107313042A (en) | 2017-07-12 | 2017-07-12 | A kind of auto parts surface processing technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221009A (en) * | 2018-01-22 | 2018-06-29 | 邓家润 | A kind of process of surface treatment for being packed for iron flask |
| CN108796431A (en) * | 2018-06-22 | 2018-11-13 | 赣州中盛隆电子有限公司 | A kind of coating process of circuit board |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266326A (en) * | 2013-06-08 | 2013-08-28 | 南通瑞丽精密机电设备科技有限公司 | Wire rope pickling method |
| CN105220204A (en) * | 2015-09-28 | 2016-01-06 | 合肥常菱汽车零部件有限公司 | A kind of automobile cathode electrophoresis coating process |
| CN105755520A (en) * | 2014-12-13 | 2016-07-13 | 重庆环德科技有限公司 | Electro-coating process |
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2017
- 2017-07-12 CN CN201710563873.7A patent/CN107313042A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266326A (en) * | 2013-06-08 | 2013-08-28 | 南通瑞丽精密机电设备科技有限公司 | Wire rope pickling method |
| CN105755520A (en) * | 2014-12-13 | 2016-07-13 | 重庆环德科技有限公司 | Electro-coating process |
| CN105220204A (en) * | 2015-09-28 | 2016-01-06 | 合肥常菱汽车零部件有限公司 | A kind of automobile cathode electrophoresis coating process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221009A (en) * | 2018-01-22 | 2018-06-29 | 邓家润 | A kind of process of surface treatment for being packed for iron flask |
| CN108796431A (en) * | 2018-06-22 | 2018-11-13 | 赣州中盛隆电子有限公司 | A kind of coating process of circuit board |
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Application publication date: 20171103 |