CN104746065A - Vehicle accessory surface phosphating process - Google Patents
Vehicle accessory surface phosphating process Download PDFInfo
- Publication number
- CN104746065A CN104746065A CN201510197370.3A CN201510197370A CN104746065A CN 104746065 A CN104746065 A CN 104746065A CN 201510197370 A CN201510197370 A CN 201510197370A CN 104746065 A CN104746065 A CN 104746065A
- Authority
- CN
- China
- Prior art keywords
- vehicle body
- body fittings
- vehicle accessories
- adjusted
- temperature
- 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
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to the technical field of metal surface treatment, in particular to a vehicle accessory surface phosphating process. The process comprises the following steps: surface rust removing: putting vehicle accessories into a pickling tank, adding diluted sulfuric acid, and heating for 20-25 minutes; cleaning: taking the pickled vehicle accessories out, and spraying flowing clear water for flushing; surface conditioning: putting the cleaned vehicle accessories into a glue-peptide surface-conditioning solution being 0.2-0.5 percent in concentration, and keeping at the temperature of 20-26 DEG C and at the pH value of 8-9 for 2-4 minutes; phosphating: putting the vehicle accessories undergoing surface conditioning into a phosphating solution being 5-8 percent in concentration, and keeping at the temperature of 45-70 DEG C and at the pH value of 3.1-3.5 for 5-12 minutes; secondary cleaning: taking the phosphated vehicle accessories out, cooling to the normal temperature, and flushing with clear water; drying with hot water: putting the vehicle accessories undergoing secondary cleaning into hot water being 70-80 DEG C for drying, and taking the vehicle accessories out 5-12 minutes later. By adopting the method, the vehicle accessories can be protected, and metal is prevented from being corroded at a certain degree; the vehicle accessory surface phosphating process is applied to underpainting before painting, so that the adhesion force and corrosion resistance of a lacquer coating are enhanced.
Description
Technical field
The present invention relates to field of metal surface treatment technology, particularly a kind of vehicle body fittings alramenting technique.
Background technology
Metallic substance is affected by environment in use can there is burn into wearing and tearing, fatigue and fracture, not only can cause the early failure of metalwork and damage, the decoration that disfeatures, affect work-ing life, also can cause the waste of environmental pollution, traffic accident generation and the material energy.Especially, the corrosion damage that the special vehicle such as fire truck, military hardware car produces also will bring great effect and loss to responding fire extinguishing and completing of wartime mission.Therefore, the Anticorrosion of special vehicle is always subject to the attention of domestic and international professional person.
International project educational circles is called Coating Pretreatment or pretreatment of metal surface by eliminating with physics, chemistry or the electrochemical method foreign matter such as various dirts, rusty scale (oxide skin), moisture, dust to the surface of workpiece before application and improve its surface properties with the work adapting to modern coating specification usually.Carry out Coating Pretreatment or pretreatment of metal surface to can be application good substrate is provided, improve the corrosion strength of film adhesive and film.
Chinese invention patent application CN 104342657A discloses a kind of method that metalwork to special vehicle carries out surface preparation, described method comprises piece installing, pickling is derusted, show to be in harmonious proportion phosphatization operation, and described phosphatization operation is made up of phosphatization, washing, water quality regulation and drying step; And each operation operates all at normal temperatures.Through the pretreated metalwork surface of this inventive method without rusty stain, do not return rust, not dust, rete grain is evenly brilliant; Phosphorization film weight 2.0g/ ㎡, thickness is 2-4 μm, the particle diameter < of membrane-coating granules 10 μm; Reach more than 240 hours through salt-fog test, draw lattice tensile test and reach 1 grade, paint bonding force is 0 grade.
Summary of the invention
The technical issues that need to address of the present invention provide a kind of phosphating process for vehicle body fittings surface protection.
For solving above-mentioned technical problem, vehicle body fittings alramenting technique of the present invention comprises the following steps,
Surface derusting: vehicle body fittings is put into pickling tank, adds dilute sulphuric acid, heating 20-25min;
Cleaning: the vehicle body fittings after pickling is taken out, flowing clear water spray irrigation;
Table is adjusted: the glue peptide table cleaned vehicle body fittings being placed on concentration 0.2%-0.5% is adjusted in solution, temperature 20 DEG C-26 DEG C, and pH value 8-9, continues 2-4min;
Phosphatization: the vehicle body fittings after being adjusted by table puts into the Phosphating Solution of 5%-8%, temperature 45 C-70 DEG C, pH value 3.1-3.5 continues 5-12min;
Secondary cleaning: the vehicle body fittings after phosphatization is taken out, is cooled to normal temperature, then rinses with clear water;
Hot water is dry: by dry for the hot water that the vehicle body fittings after secondary cleaning puts into 70 DEG C-80 DEG C, take out after 5-12min.
Further, in described step surface derusting, Heating temperature is 30 DEG C-45 DEG C.
Further, it is that titanium salt table is adjusted that the glue peptide table in described step table tune is adjusted, titanium content >=4%.
Further, the Phosphating Solution adopted in described step phosphatization is Zn-Al hydrotalcite Phosphating Solution.
Further, add promotor in described step phosphatization, described promotion oxymuriate, the concentration of oxymuriate in Phosphating Solution is 0.75%-1%.
Further, further comprising the steps of degreasing before described step surface derusting, adopts the grease on trichloroethane steam removing vehicle body fittings surface.
After adopting aforesaid method, the present invention can provide protection to vehicle body fittings, prevents metal to be corroded to a certain extent; For front bottoming of painting, improve sticking power and the anti-corrosion capability of paint film layer; The acidity of Phosphating Solution is stablized to adopt oxymuriate to ensure in addition.
Embodiment
Embodiment one:
Surface derusting: vehicle body fittings is put into pickling tank, adds dilute sulphuric acid, and Heating temperature is 30 DEG C, heating 20-25min.
Cleaning: the vehicle body fittings after pickling is taken out, flowing clear water spray irrigation.
Table is adjusted: the titanium salt table cleaned vehicle body fittings being placed on concentration 0.2%-0.5% is adjusted in solution, described titanium salt table adjustment titanium content >=4%, temperature 20 DEG C-26 DEG C, and pH value 8-9, continues 2-4min; This kind of surface adjustment working fluid, long service life, only needs to mend intensifier by consumption, keeps working liquid ph.Workpiece, after the adjustment of titanium salt surface, does not wash with water and can directly enter phosphatization operation.
Phosphatization: the vehicle body fittings after being adjusted by table puts into the Zn-Al hydrotalcite Phosphating Solution of 5%-8%, temperature 45 C-70 DEG C, pH value 3.1-3.5 continues 5-12min; In addition, add promotor, described promotion oxymuriate, the concentration of oxymuriate in Phosphating Solution is 0.75%-1%.Oxymuriate can be oxidized the ferrous iron in Phosphating Solution, and under the working conditions of 65 DEG C-70 DEG C, iron protoxide makes the phosphoric acid of generation and sediment react to be neutralized, and the acidity of Phosphating Solution can keep stable.
Secondary cleaning: the vehicle body fittings after phosphatization is taken out, is cooled to normal temperature, then rinses with clear water.
Hot water is dry: by dry for the hot water that the vehicle body fittings after secondary cleaning puts into 70 DEG C-80 DEG C, take out after 5-12min.
Embodiment two:
Degreasing, adopts the grease on trichloroethane steam removing vehicle body fittings surface.
Surface derusting: vehicle body fittings is put into pickling tank, adds dilute sulphuric acid, and Heating temperature is 38 DEG C, heating 20-25min.
Cleaning: the vehicle body fittings after pickling is taken out, flowing clear water spray irrigation.
Table is adjusted: the titanium salt table cleaned vehicle body fittings being placed on concentration 0.2%-0.5% is adjusted in solution, and described titanium salt table adjustment titanium content >=4%, temperature 20 DEG C-26 DEG C, pH value 8-9, continues 2-4min.
Phosphatization: the vehicle body fittings after being adjusted by table puts into the Phosphating Solution of 5%-8%, temperature 45 C-70 DEG C, pH value 3.1-3.5 continues 5-12min; In addition, add promotor, described promotion oxymuriate, the concentration of oxymuriate in Phosphating Solution is 0.75%-1%.
Secondary cleaning: the vehicle body fittings after phosphatization is taken out, is cooled to normal temperature, then rinses with clear water.
Hot water is dry: by dry for the hot water that the vehicle body fittings after secondary cleaning puts into 70 DEG C-80 DEG C, take out after 5-12min.
Embodiment two is preferred forms.
Embodiment three:
Surface derusting: vehicle body fittings is put into pickling tank, adds dilute sulphuric acid, is heated to 45 DEG C, heating 20-25min.
Cleaning: the vehicle body fittings after pickling is taken out, flowing clear water spray irrigation.
Table is adjusted: the glue peptide table cleaned vehicle body fittings being placed on concentration 0.2%-0.5% is adjusted in solution, temperature 20 DEG C-26 DEG C, and pH value 8-9, continues 2-4min.
Phosphatization: the vehicle body fittings after being adjusted by table puts into the Phosphating Solution of 5%-8%, temperature 45 C-70 DEG C, pH value 3.1-3.5 continues 5-12min.
Secondary cleaning: the vehicle body fittings after phosphatization is taken out, is cooled to normal temperature, then rinses with clear water.
Hot water is dry: by dry for the hot water that the vehicle body fittings after secondary cleaning puts into 70 DEG C-80 DEG C, take out after 5-12min.
Although the foregoing describe the specific embodiment of the present invention; but those skilled in the art are to be understood that; these only illustrate; various changes or modifications can be made to present embodiment; and not deviating from principle and the essence of invention, protection scope of the present invention is only defined by the appended claims.
Claims (6)
1. a vehicle body fittings alramenting technique, is characterized in that, comprises the following steps,
Surface derusting: vehicle body fittings is put into pickling tank, adds dilute sulphuric acid, heating 20-25min;
Cleaning: the vehicle body fittings after pickling is taken out, flowing clear water spray irrigation;
Table is adjusted: the glue peptide table cleaned vehicle body fittings being placed on concentration 0.2%-0.5% is adjusted in solution, temperature 20 DEG C-26 DEG C, and pH value 8-9, continues 2-4min;
Phosphatization: the vehicle body fittings after being adjusted by table puts into the Phosphating Solution of 5%-8%, temperature 45 C-70 DEG C, pH value 3.1-3.5 continues 5-12min;
Secondary cleaning: the vehicle body fittings after phosphatization is taken out, is cooled to normal temperature, then rinses with clear water;
Hot water is dry: by dry for the hot water that the vehicle body fittings after secondary cleaning puts into 70 DEG C-80 DEG C, take out after 5-12min.
2. according to vehicle body fittings alramenting technique according to claim 1, it is characterized in that: in described step surface derusting, Heating temperature is 30 DEG C-45 DEG C.
3. according to vehicle body fittings alramenting technique according to claim 1, it is characterized in that: it is that titanium salt table is adjusted that the glue peptide table in described step table tune is adjusted, titanium content >=4%.
4. according to vehicle body fittings alramenting technique according to claim 1, it is characterized in that: the Phosphating Solution adopted in described step phosphatization is Zn-Al hydrotalcite Phosphating Solution.
5. according to the vehicle body fittings alramenting technique described in claim 1 or 4, it is characterized in that: add promotor in described step phosphatization, described promotion oxymuriate, the concentration of oxymuriate in Phosphating Solution is 0.75%-1%.
6. according to vehicle body fittings alramenting technique according to claim 1, it is characterized in that: further comprising the steps of degreasing before described step surface derusting, adopt the grease on trichloroethane steam removing vehicle body fittings surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510197370.3A CN104746065A (en) | 2015-04-23 | 2015-04-23 | Vehicle accessory surface phosphating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510197370.3A CN104746065A (en) | 2015-04-23 | 2015-04-23 | Vehicle accessory surface phosphating process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104746065A true CN104746065A (en) | 2015-07-01 |
Family
ID=53586298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510197370.3A Pending CN104746065A (en) | 2015-04-23 | 2015-04-23 | Vehicle accessory surface phosphating process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104746065A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220936A (en) * | 2017-12-29 | 2018-06-29 | 辽宁科技大学 | A kind of steel surface derusting phosphating method of environmental protection |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002212751A (en) * | 2001-01-17 | 2002-07-31 | Nippon Paint Co Ltd | Metal surface treatment method |
| CN101029401A (en) * | 2006-02-27 | 2007-09-05 | 徐州正菱涂装有限公司 | Pretreatment for coating iron and steel member |
-
2015
- 2015-04-23 CN CN201510197370.3A patent/CN104746065A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002212751A (en) * | 2001-01-17 | 2002-07-31 | Nippon Paint Co Ltd | Metal surface treatment method |
| CN101029401A (en) * | 2006-02-27 | 2007-09-05 | 徐州正菱涂装有限公司 | Pretreatment for coating iron and steel member |
Non-Patent Citations (1)
| Title |
|---|
| 李丽波等: "《表面预处理实用手册》", 31 January 2014 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220936A (en) * | 2017-12-29 | 2018-06-29 | 辽宁科技大学 | A kind of steel surface derusting phosphating method of environmental protection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102061465B (en) | Chrome-free sealing agent | |
| CN101935832B (en) | Zinc-iron metal alramenting liquid capable of being recycled at normal temperature | |
| CN101429661B (en) | Molybdate passivating liquid for continuous hot-dipping galvanizing steel plate | |
| CN103243338A (en) | Acid cleaning and phosphorizing method of electromobile frame | |
| FI70599C (en) | VACCUM CONTAINING ZINC PHOSPHATE BELARGING CONDITIONING FOR FUNGARI VID AND LAOG TEMPERATURE AND OVER ANCHENDER FOR VIDEO CHEMICAL CONVERTIBLE CONVERTIBILITY PAO JARN OCH / ELLER | |
| AU778285B2 (en) | Method for applying a phosphate covering and use of metal parts thus phospated | |
| CA2612107C (en) | Method for treatment of chemically passivated galvanized surfaces to improve paint adhesion | |
| CN103088335B (en) | A kind of metal surface modification silane finish and preparation method thereof | |
| CN105442018A (en) | Conductive oxidation process for automobile aluminum alloy parts | |
| NO873904L (en) | DISEASING PASSIVATION BY MULTIMETAL METAL PROGRESS. | |
| US9073083B2 (en) | Process and seal coat for improving paint adhesion | |
| CN103938201A (en) | Black phosphorizing method with high corrosion resistance | |
| CN104746065A (en) | Vehicle accessory surface phosphating process | |
| CN107338430A (en) | A kind of phosphating solution and phosphating process | |
| JPH0819531B2 (en) | Zinc phosphate treatment method for metal surface | |
| WO2019006674A1 (en) | Magnesium alloy phosphating agent, metal component, and surface phosphating treatment method therefor | |
| US6569498B2 (en) | Passification of zinc surfaces | |
| CN103087567B (en) | A kind of inhibition Anti-corrosion metal surface silane protective agent for surface treatment and preparation method thereof | |
| CN106011837A (en) | Environment-friendly type metal surface treatment technology | |
| US10745568B2 (en) | Surface treatment composition | |
| CN112011791A (en) | Formation agent based on phosphoric acid without surface conditioning process and sodium sulfite promoter and preparation method thereof | |
| CN104195485B (en) | On-line automatic pretreatment process for steel pipe hot-dip galvanizing | |
| Baudrand | Conversion coatings for aluminum and magnesium | |
| Gibson et al. | Phosphate Coating of Aluminum. | |
| JP3778791B2 (en) | Pre-painting method and molded product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150701 |