CN109731760A - A kind of lacquer spraying technique of Chinese style ancient architecture aluminium alloy element - Google Patents
A kind of lacquer spraying technique of Chinese style ancient architecture aluminium alloy element Download PDFInfo
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- CN109731760A CN109731760A CN201910161847.0A CN201910161847A CN109731760A CN 109731760 A CN109731760 A CN 109731760A CN 201910161847 A CN201910161847 A CN 201910161847A CN 109731760 A CN109731760 A CN 109731760A
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Abstract
The present invention relates to a kind of lacquer spraying technique, in particular to a kind of lacquer spraying technique of Chinese style ancient architecture aluminium alloy element, comprising the following steps: S1. phosphorating treatment: S11. preliminary examination；S12. acid is de-, and workpiece is impregnated 5min~25min in the acid degreasing agent solution that concentration is 25~50g/L；S13. it washes, workpiece is cleaned up in clear water；Workpiece is impregnated 5min~20min by S14. phosphatization in phosphating solution；S15. it washes, the phosphating solution for remaining on the surface of the workpiece after phosphatization is cleaned up；S2. spray painting is handled；S3. drying and processing.In the present invention, phosphorating treatment is carried out before spray painting processing, acid is de- can to dissolve the greasy dirt and natural oxide film for dispelling aluminium alloy element surface, the acid adhered on first wash removal workpiece takes off liquid, it is reacted again with phosphating solution later and generates phosphating coat, after spray painting, the adhesive force of paint layer and workpiece surface is able to ascend under the action of phosphating coat, and then guarantee that spray painting is not easily disconnected from workpiece, promote the service life of lacquer painting.
Description
Technical field
The present invention relates to a kind of lacquer spraying technique, in particular to a kind of lacquer spraying technique of Chinese style ancient architecture aluminium alloy element.
Background technique
Chinese style ancient building is the building of great distinct Chinese characteristics, and Chinese style ancient building is all the building using timber as support construction,
Construction process is complicated, and it is big to expend amount of wood, seldom builds in modern society, it is also difficult to which batch is built；And modern western is built
Most building structure using armored concrete or brick and tile are built, materials are at low cost, build convenient and efficient.Therefore for Chinese style Gu
The architectural conception of western architecture is combined with the architectural conception of Chinese style ancient building, is produced imitative by the continuity of building, modern society
Ancient building, mainly with modern steel-aluminum structure for main support construction, using the shape of Chinese style ancient building.In pseudo-classic architecture knot
In structure, the outer surface of steel-aluminum structure needs to spray paint modelled after an antique, to reach the aesthetics with ancient building.
The technique of existing pseudo-classic architecture spray painting includes spray painting and drying, is painted first in the outer surface of steel-aluminum structure
Operation is dried again later, and such spray painting process is simple, but is disadvantageous in that, the adhesiveness of paint layer and steel-aluminum structure
It is lower, it is easy to fall off after long-time service, the service life of spray painting is short.
Summary of the invention
The object of the present invention is to provide a kind of lacquer spraying techniques of Chinese style ancient architecture aluminium alloy element, improve aluminium alloy element
The service life of surface lacquer.
Foregoing invention purpose of the invention has the technical scheme that
A kind of lacquer spraying technique of Chinese style ancient architecture aluminium alloy element, comprising the following steps: S1. phosphorating treatment, phosphorating treatment include
Following procedure: S11. preliminary examination checks that surface quality of workpieces meets phosphatization requirement；S12. acid is de-, by workpiece concentration be 25~
The acid degreasing agent solution of 50g/L impregnates 5min~25min；S13. it washes, workpiece is cleaned up in clear water；S14. phosphorus
Change, workpiece is impregnated into 5min~20min in phosphating solution；S15. it washes, phosphating solution on the surface of the workpiece will be remained after phosphatization
It cleans up；S2. spray painting is handled；S3. drying and processing.
By using above-mentioned technical proposal, phosphorating treatment is carried out before spray painting processing, during phosphorating treatment, acid is de-
The greasy dirt and natural oxide film for dispelling aluminium alloy element surface can be dissolved, the acidity adhered on first wash removal workpiece is de-
Rouge agent solution reacts again with phosphating solution generate phosphating coat later, the phosphating solution adhered on second wash removal workpiece, Zhi Hou
After workpiece surface spray painting, the adhesive force of paint layer and workpiece surface is able to ascend under the action of phosphating coat, and then guarantee spray painting not
It is easily detached from workpiece, promotes the service life of lacquer painting.
The present invention is further arranged to: in step s 12, the temperature of acid degreasing agent solution is 5 DEG C~40 DEG C.
By using above-mentioned technical proposal, the temperature of the reaction speed and acid degreasing agent of acid degreasing agent solution and workpiece
There are a much relations, the effect of the lower degreasing effect of temperature and oxide layer is poorer, and temperature can seriously affect reaction speed lower than 5 DEG C
And production efficiency is reduced, acid degreasing agent solution can generate acid mist because acidic materials volatilize when temperature is higher than 40 DEG C, acid
The loss of degreasing agent increases, therefore by temperature control between 5 DEG C~40 DEG C.
The present invention is further arranged to: in step s 12, shaking workpiece during acid is de-.
By using above-mentioned technical proposal, the reaction speed between workpiece and the de- liquid of acid can be accelerated.
The present invention is further arranged to: in step S14, workpiece is moved up and down during phosphatization.
By using above-mentioned technical proposal, the uniformity that workpiece is able to ascend workpiece surface phosphating coat is moved up and down.
The present invention is further arranged to: blasting treatment is carried out before phosphorating treatment.
By using above-mentioned technical proposal, sandblasting is able to ascend the surface roughness of workpiece, then after carrying out phosphatization, workpiece
Surface can also have coarse chiltern sense, while being also able to ascend the adhesive force of paint layer and phosphate coating.
The present invention is further arranged to: the de- temperature of acid is at 30 DEG C, sour de- time 8min, and 50 DEG C of phosphatization temperature, phosphating time
10min。
The present invention is further arranged to: the de- temperature of acid is at 20 DEG C, sour de- time 15min, and 30 DEG C of phosphatization temperature, phosphating time
16min。
In conclusion the present invention has following technical effect that
1, by carrying out phosphorating treatment before spray painting, it is able to ascend the adhesive ability of layer of paint and workpiece surface, promotes paint layer
Service life；
2, by shaking workpiece during acid is de-, the reaction speed of workpiece and the de- liquid of acid can be accelerated, promote the de- effect of acid
Rate；
3, by moving up and down workpiece during phosphorating treatment, the uniformity of lifting workpieces alramenting film has been reached.
Specific embodiment
Embodiment one:
This embodiment describes a kind of lacquer spraying techniques of Chinese style ancient architecture aluminium alloy element, including step S1~S3.
S1, phosphorating treatment.Phosphorating treatment is primarily to the surface in Al alloy parts forms phosphatization by phosphating reaction
Film, thus using phosphating coat come the adhesive force of paint layer when promoting spray painting and workpiece surface.
Phosphorating treatment specifically includes the following steps:
S11, preliminary examination, check the surface quality of workpiece whether meet phosphatization requirement, it is desirable that piece surface cannot have glue class, paint class,
The defects of aluminium skimmings, the grains of sand, burr, otherwise at the subsequent phosphatization stage, glue class and paint class will affect workpiece surface at this with
Phosphating solution is reacted, and the defects of aluminium skimmings, the grains of sand and burr will lead to after such fault location reacts with phosphating solution, hold very much
Plaque-like or block-like phosphating coat easily are formed in fault location, leads to the uneven thickness of phosphating coat and other position phosphating coats at this
It is even.
S12, acid are de-, workpiece are impregnated 5min in the acid degreasing agent solution that concentration is 25~50g/L, acid degreasing agent is molten
The temperature of liquid is 40 DEG C.The de- main purpose of acid be in order to which the greasy dirt of workpiece surface and native metal oxidation film is all cleared,
It avoids greasy dirt and oxidation film from influencing subsequent phosphating reaction, promotes the continuity of phosphating coat in phosphating reaction.The de- inspection mark of acid
Standard is visual inspection, and aluminum alloy surface exposes metal true qualities, smooth after the de- processing of acid.Acid degreasing agent solution is common
Industrial chemical can basis mainly by inorganic acid, oxidant, high volence metal ion and surfactant etc. at being grouped as
Different operating conditions are configured, and the concrete component for the acid degreasing agent for testing selection in the present invention can refer to Authorization Notice No. and be
The patent of invention of CN102021589B.
S13, washing clean up workpiece in clear water.Workpiece after cleaning requires moisture film continuous, complete, and surface is complete
Full infiltration, does not hang droplet, no black dust and excessive erosion phenomenon.
Workpiece is impregnated 5min by S14, phosphatization in phosphating solution, and the temperature of phosphating solution is controlled at 55 DEG C.Phosphating solution is also to belong to
In more conventional chemical reagent, main component is dihydric phosphate and suitable free phosphoric acid and accelerator etc., the present invention
The formula of the phosphatization liquor of selection are as follows: 9~12g/L zinc dihydrogen phosphate, 32~35g/L zinc nitrate, 1~2g/L sodium chloride, 1.5
~2.5g/L sodium fluoride.
S15, washing clean up the phosphating solution of workpiece surface.
S2, spray painting processing.After the moisture of workpiece surface air-dries, spray painting processing is carried out to workpiece.
S3, drying and processing.
Embodiment two:
This embodiment describes a kind of lacquer spraying techniques of Chinese style ancient architecture aluminium alloy element, including step S1~S3.
S1, phosphorating treatment.
S11, preliminary examination, check whether the surface quality of workpiece meets phosphatization requirement.
S12, acid are de-, workpiece are impregnated 4min in the acid degreasing agent solution that concentration is 25~50g/L, acid degreasing agent is molten
The temperature of liquid is 40 DEG C.
S13, washing clean up workpiece in clear water.
Workpiece is impregnated 5min by S14, phosphatization in phosphating solution, and the temperature of phosphating solution is controlled at 55 DEG C.
S15, washing clean up the phosphating solution of workpiece surface.
S2, spray painting processing.
S3, drying and processing.
Embodiment three:
This embodiment describes a kind of lacquer spraying techniques of Chinese style ancient architecture aluminium alloy element, including step S1~S3.
S1, phosphorating treatment.
S11, preliminary examination, check whether the surface quality of workpiece meets phosphatization requirement.
S12, acid are de-, workpiece are impregnated 5min in the acid degreasing agent solution that concentration is 25~50g/L, acid degreasing agent is molten
The temperature of liquid is 40 DEG C.
S13, washing clean up workpiece in clear water.
Workpiece is impregnated 4min by S14, phosphatization in phosphating solution, and the temperature of phosphating solution is controlled at 55 DEG C.
S15, washing clean up the phosphating solution of workpiece surface.
S2, spray painting processing.
S3, drying and processing.
Example IV:
This embodiment describes a kind of lacquer spraying techniques of Chinese style ancient architecture aluminium alloy element, including step S1~S3.
S1, phosphorating treatment.
S11, preliminary examination, check whether the surface quality of workpiece meets phosphatization requirement.
S12, acid are de-, and workpiece is impregnated 25min, acid degreasing agent in the acid degreasing agent solution that concentration is 25~50g/L
The temperature of solution is 5 DEG C.
S13, washing clean up workpiece in clear water.
Workpiece is impregnated 20min by S14, phosphatization in phosphating solution, and the temperature of phosphating solution is controlled at 25 DEG C.
S15, washing clean up the phosphating solution of workpiece surface.
S2, spray painting processing.
S3, drying and processing.
Embodiment five:
This embodiment describes a kind of lacquer spraying techniques of Chinese style ancient architecture aluminium alloy element, including step S1~S3.
S1, phosphorating treatment.
S11, preliminary examination, check whether the surface quality of workpiece meets phosphatization requirement.
S12, acid are de-, and workpiece is impregnated 25min, acid degreasing agent in the acid degreasing agent solution that concentration is 25~50g/L
The temperature of solution is 0 DEG C.
S13, washing clean up workpiece in clear water.
Workpiece is impregnated 20min by S14, phosphatization in phosphating solution, and the temperature of phosphating solution is controlled at 25 DEG C.
S15, washing clean up the phosphating solution of workpiece surface.
S2, spray painting processing.
S3, drying and processing.
Embodiment six:
This embodiment describes a kind of lacquer spraying techniques of Chinese style ancient architecture aluminium alloy element, including step S1~S3.
S1, phosphorating treatment.
S11, preliminary examination, check whether the surface quality of workpiece meets phosphatization requirement.
S12, acid are de-, and workpiece is impregnated 25min, acid degreasing agent in the acid degreasing agent solution that concentration is 25~50g/L
The temperature of solution is 5 DEG C.
S13, washing clean up workpiece in clear water.
Workpiece is impregnated 20min by S14, phosphatization in phosphating solution, and the temperature of phosphating solution is controlled at 20 DEG C.
S15, washing clean up the phosphating solution of workpiece surface.
S2, spray painting processing.
S3, drying and processing.
Embodiment seven:
This embodiment describes a kind of lacquer spraying techniques of Chinese style ancient architecture aluminium alloy element, including step S1~S3.
S1, phosphorating treatment.
S11, preliminary examination, check whether the surface quality of workpiece meets phosphatization requirement.
S12, acid are de-, workpiece are impregnated 8min in the acid degreasing agent solution that concentration is 25~50g/L, acid degreasing agent is molten
The temperature of liquid is 30 DEG C.
S13, washing clean up workpiece in clear water.
Workpiece is impregnated 10min by S14, phosphatization in phosphating solution, and the temperature of phosphating solution is controlled at 50 DEG C.
S15, washing clean up the phosphating solution of workpiece surface.
S2, spray painting processing.
S3, drying and processing.
Embodiment eight:
This embodiment describes a kind of lacquer spraying techniques of Chinese style ancient architecture aluminium alloy element, including step S1~S3.
S1, phosphorating treatment.
S11, preliminary examination, check whether the surface quality of workpiece meets phosphatization requirement.
S12, acid are de-, and workpiece is impregnated 15min, acid degreasing agent in the acid degreasing agent solution that concentration is 25~50g/L
The temperature of solution is 20 DEG C.
S13, washing clean up workpiece in clear water.
Workpiece is impregnated 16min by S14, phosphatization in phosphating solution, and the temperature of phosphating solution is controlled at 30 DEG C.
S15, washing clean up the phosphating solution of workpiece surface.
S2, spray painting processing.
S3, drying and processing.
Embodiment nine:
This embodiment describes a kind of lacquer spraying techniques of Chinese style ancient architecture aluminium alloy element, including step S0~S3.
S0, blasting treatment.Blasting treatment, the roughness on lifting workpieces surface are carried out to the surface of workpiece.
S1, phosphorating treatment.
S11, preliminary examination, check whether the surface quality of workpiece meets phosphatization requirement.
S12, acid are de-, workpiece are impregnated 5min in the acid degreasing agent solution that concentration is 25~50g/L, acid degreasing agent is molten
The temperature of liquid is 45 DEG C.
S13, washing clean up workpiece in clear water.
Workpiece is impregnated 5min by S14, phosphatization in phosphating solution, and the temperature of phosphating solution is controlled at 55 DEG C.
S15, washing clean up the phosphating solution of workpiece surface.
S2, spray painting processing.
S3, drying and processing.
Embodiment ten:
This embodiment describes a kind of lacquer spraying techniques of Chinese style ancient architecture aluminium alloy element, including step S2~S3.
S2, spray painting processing.
S3, drying and processing.
Embodiment 11:
This embodiment describes a kind of lacquer spraying techniques of Chinese style ancient architecture aluminium alloy element, including step S1~S3.
S1, phosphorating treatment.
S11, preliminary examination, check whether the surface quality of workpiece meets phosphatization requirement.
S12, acid are de-, workpiece are impregnated 5min in the acid degreasing agent solution that concentration is 25~50g/L, acid degreasing agent is molten
The temperature of liquid is 40 DEG C.During acid is de-, workpiece is shaken.
S13, washing clean up workpiece in clear water.
Workpiece is impregnated 5min by S14, phosphatization in phosphating solution, and the temperature of phosphating solution is controlled at 55 DEG C.
S15, washing clean up the phosphating solution of workpiece surface.
S2, spray painting processing.
S3, drying and processing.
Embodiment 12:
This embodiment describes a kind of lacquer spraying techniques of Chinese style ancient architecture aluminium alloy element, including step S1~S3.
S1, phosphorating treatment.
S11, preliminary examination, check whether the surface quality of workpiece meets phosphatization requirement.
S12, acid are de-, workpiece are impregnated 5min in the acid degreasing agent solution that concentration is 25~50g/L, acid degreasing agent is molten
The temperature of liquid is 40 DEG C.
S13, washing clean up workpiece in clear water.
Workpiece is impregnated 5min by S14, phosphatization in phosphating solution, and the temperature of phosphating solution is controlled at 55 DEG C.In the process of phosphatization
In, move up and down workpiece.
S15, washing clean up the phosphating solution of workpiece surface.
S2, spray painting processing.
S3, drying and processing.
Embodiment 13:
This embodiment describes a kind of lacquer spraying techniques of Chinese style ancient architecture aluminium alloy element, including step S1~S3.
S1, phosphorating treatment.
S11, preliminary examination, check whether the surface quality of workpiece meets phosphatization requirement.
S12, acid are de-, workpiece are impregnated 5min in the acid degreasing agent solution that concentration is 25~50g/L, acid degreasing agent is molten
The temperature of liquid is 43 DEG C.
S13, washing clean up workpiece in clear water.
Workpiece is impregnated 5min by S14, phosphatization in phosphating solution, and the temperature of phosphating solution is controlled at 55 DEG C.
S15, washing clean up the phosphating solution of workpiece surface.
S2, spray painting processing.
S3, drying and processing.
Embodiment 14:
This embodiment describes a kind of lacquer spraying techniques of Chinese style ancient architecture aluminium alloy element, including step S1~S3.
S1, phosphorating treatment.
S11, preliminary examination, check whether the surface quality of workpiece meets phosphatization requirement.
S12, acid are de-, workpiece are impregnated 5min in the acid degreasing agent solution that concentration is 25~50g/L, acid degreasing agent is molten
The temperature of liquid is 40 DEG C.
S13, washing clean up workpiece in clear water.
Workpiece is impregnated 5min by S14, phosphatization in phosphating solution, and the temperature of phosphating solution is controlled at 60 DEG C.
S15, washing clean up the phosphating solution of workpiece surface.
S2, spray painting processing.
S3, drying and processing.
Experimental data and data analysis:
The adhesiveness test detection that the workpiece sample that embodiment one is produced into embodiment 14 is painted, and record oil
Adherence test adhesion strength grade is painted in the energy consumption of the embodiment of 5B or more.
The process of the adhesiveness test of paint is: first drawing 10 × 10 1mm × 1mm in paint sample surface with wind-force blade
Small grid, each scribing line is deep and the bottom of paint；The fragment of test zone is cleaned down with hairbrush, is existed with adhesion strength
350g/ square centimeters~400g/ square centimeters of adhesive tape firmly clings tested small grid, and firmly wipes glue with erasing rubber
Band, to increase the contact area and dynamics of adhesive tape Yu tested region；The one end for finally holding adhesive tape, it is fast in vertical direction
Speed shuts down adhesive tape, and same position carries out 2 identical tests, is qualification when paint adhesion grade is more than or equal to 4B.
5B --- scribing edge is smooth, at the edge and intersection of scribing line without peeling paint；
4B --- there is the peeling paint of small pieces in the intersection of scribing line, and the gross area that falls off is less than 5%；
3B --- there is the peeling paint of small pieces at the edge and intersection of scribing line, and falls off area between 5%-15%；
2B --- there is sheet of peeling paint at the edge and intersection of scribing line, and falls off the gross area between 15%-35%.
Energy consumption record is the complete phase of surface area of the workpiece under 20 degrees Celsius of the room temperature energy consumption carried out tests, test condition
Together, the de- liquid of acid is identical with the volume of phosphating solution, wherein the data that the energy consumption in embodiment one is recorded as benchmark, other energy consumptions
It is the ratio with embodiment energy consumption.
Specific experiment data are as follows:
Comparative example one and embodiment 13 are it is found that the temperature that acid takes off cannot highly 40 degrees Celsius, and otherwise the de- liquid of acid is (both acid
Degreasing agent solution) acid mist can be generated, production environment is on the one hand influenced, on the other hand the de- liquid of acid and workpiece can generate more quickly
Reaction, leads to the surface corrosion of workpiece, to seriously affect the spray painting effect of workpiece.
It is found that under the de- maximum temperature of acid, the acid de- time cannot be below 5min for comparative example one and embodiment two,
Otherwise it is difficult to the grease of workpiece surface and oxidation membrane removal is clean, the workpiece at remaining grease and oxidation film is difficult to and phosphorus
Change liquid and generate reaction, the adhesive rate of phosphating coat during phosphating reaction can be reduced, cause the thickness of phosphating coat inconsistent, to drop
The adhesive ability of low paint layer and phosphating coat, and then cause paint adhesion poor.
Comparative example one and embodiment 14 are it is found that otherwise phosphatization temperature also will affect oil not above 55 degrees Celsius
The adhesion strength of paint.Because phosphatization temperature is excessively high, the reaction speed of phosphating reaction is more violent, and the phosphating coat generated at this time is thick
Crystal phosphating coat, coarse crystal phosphating coat is larger with the adherency brittleness of workpiece surface because particle is larger, when being scratched
It is easy to burst apart, it is serious so as to cause peeling paint.
Comparative example one and embodiment three are it is found that in 55 degrees Celsius of phosphatization temperature, and the time of phosphatization is not preferably less than
5min, otherwise the time of the phosphating reaction too short thickness for leading to phosphating coat is insufficient, and then influences the viscous of paint layer and workpiece when spray painting
Attached effect.
Comparative example four and embodiment five are it is found that de- not preferably less than 5 degrees Celsius of temperature of acid, and acid is de-, and temperature is too low also can
Influence the adequacy that the de- liquid of acid is reacted with workpiece surface grease and oxide layer, if workpiece surface remnants grease or oxidation film it
Afterwards, remaining place, which is difficult to react with phosphating solution, generates phosphating coat and eventually leads to paint layer in conjunction with workpiece to reduce phosphatization effect
It is insecure.
Comparative example four and embodiment six are it is found that phosphatization temperature is also not easy otherwise also to will appear phosphorus lower than 25 degrees Celsius
Change the situation for reacting insufficient, and then causes the adhesiveness of paint layer lower.
Comparative example one and embodiment nine are able to ascend it is found that when carrying out blasting treatment to workpiece before phosphatization process
The roughness of workpiece surface, such workpiece takes off in acid can slightly be promoted with the area reacted during phosphatization, on the one hand
The de- speed and quality of acid is accelerated, rough rough surface can be also presented in the phosphating coat on the other hand generated, and then is promoted
The adhesion property of paint layer and phosphating coat, so that paint layer is stronger.
From in experimental data it is found that be in embodiment seven when obtaining spray painting adhesiving effect optimal state the production time it is most short
Method, and be in embodiment eight when obtaining the spray painting optimal state of adhesiving effect under normal temperature state the minimum side of production energy consumption
Method.
Comparative example ten and other embodiments can be apparent from, and carrying out phosphorating treatment before spray painting can be significantly
Promote the adhesiving effect of paint layer.
Comparative example one and embodiment 11 during acid is de- it is found that shake the adherency that workpiece is able to ascend paint
Performance.Because shaking workpiece during acid is de-, the acid of workpiece surface takes off the state that liquid is at flowing, is able to ascend work
Adequacy is reacted with the de- liquid of acid in part surface, reinforces the de- effect of acid, and then guarantees that acid is de- to workpiece surface grease and oxide layer
The adequacy of reaction promotes phosphatization effect, is finally reached the purpose for promoting paint adhesion.
Comparative example one and embodiment 12 are able to ascend paint it is found that moving up and down workpiece during phosphatization
Adhesion property.Because the phosphating coat that phosphating reaction generates is crystal, and moving up and down workpiece can mention during phosphating reaction
Phosphating coat is risen in the uniformity of workpiece surface, avoids generating the phenomenon that gathering, the phosphating coat compactness generated after such phosphatization is more
It is good therefore more preferable with the adhesion property of paint layer, the not cracky when being scratched.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (7)
1. a kind of lacquer spraying technique of Chinese style ancient architecture aluminium alloy element, which comprises the following steps: at S1. phosphatization
Reason, phosphorating treatment includes following procedure: S11. preliminary examination, checks that surface quality of workpieces meets phosphatization requirement；S12. acid is de-, by work
Part impregnates 5min~25min in the acid degreasing agent solution that concentration is 25~50g/L；S13. it washes, workpiece is clear in clear water
Wash clean；Workpiece is impregnated 5min~20min by S14. phosphatization in phosphating solution；S15. it washes, workpiece will be remained in after phosphatization
Phosphating solution on surface cleans up；S2. spray painting is handled；S3. drying and processing.
2. a kind of lacquer spraying technique of Chinese style ancient architecture aluminium alloy element according to claim 1, which is characterized in that in step
In S12, the temperature of acid degreasing agent solution is 5 DEG C~40 DEG C.
3. a kind of lacquer spraying technique of Chinese style ancient architecture aluminium alloy element according to claim 1, which is characterized in that in step
In S12, workpiece is shaken during acid is de-.
4. a kind of lacquer spraying technique of Chinese style ancient architecture aluminium alloy element according to claim 1, which is characterized in that in step
In S14, workpiece is moved up and down during phosphatization.
5. a kind of lacquer spraying technique of Chinese style ancient architecture aluminium alloy element according to claim 1, which is characterized in that in phosphatization
Blasting treatment is carried out before processing.
6. a kind of lacquer spraying technique of Chinese style ancient architecture aluminium alloy element according to claim 1, which is characterized in that the de- temperature of acid
Degree is at 30 DEG C, sour de- time 8min, and 50 DEG C of phosphatization temperature, phosphating time 10min.
7. a kind of lacquer spraying technique of Chinese style ancient architecture aluminium alloy element according to claim 1, which is characterized in that the de- temperature of acid
Degree is at 20 DEG C, sour de- time 15min, and 30 DEG C of phosphatization temperature, phosphating time 16min.
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| CN110201859A (en) * | 2019-06-15 | 2019-09-06 | 嘉兴敏实机械有限公司 | A kind of auto parts and components lacquer spraying technique |
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