CN106622909A - Paint spraying process for automobile carbon fiber composite material - Google Patents
Paint spraying process for automobile carbon fiber composite material Download PDFInfo
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- CN106622909A CN106622909A CN201610840697.2A CN201610840697A CN106622909A CN 106622909 A CN106622909 A CN 106622909A CN 201610840697 A CN201610840697 A CN 201610840697A CN 106622909 A CN106622909 A CN 106622909A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2203/00—Other substrates
- B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2350/00—Pretreatment of the substrate
- B05D2350/30—Change of the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2350/00—Pretreatment of the substrate
- B05D2350/30—Change of the surface
- B05D2350/50—Smoothing
Abstract
The invention relates to a paint spraying process for an automobile carbon fiber composite material. The paint spraying process is characterized by comprising the following steps that a carbon fiber workpiece needing to be painted is polished, putty is sprayed at the normal temperature, after the surface of a putty layer is dried, water polishing treatment is conducted aiming at coating surface defects after the putty is sprayed, thus, the coating surface is flat and smooth visually, primer is sprayed at the normal temperature, local water polishing treatment is conducted aiming at coating surface defects after the primer is sprayed, and the coating surface is flat and smooth visually; for a primer layer, if a few of scratches, particles, shrinkage cavities or pinholes exist, secondary normal-temperature putty spraying is conducted; otherwise, a floating coat is sprayed directly and then is dried, finish paint is sprayed, after finish paint spraying is conducted, the immediate drying temperature is 18-35 DEG C, the relative humidity RH is 40%-70%, the time is 7-10 min, the drying temperature is 130-150 DEG C after the finish paint is sprayed, and the heat preservation time is 20 +/- 2 min; and whether the surface of the workpiece is flat, smooth and free of shrinkage cavity is inspected, and the surface has a flashing effect. By means of the paint spraying process for the high-decoration and high-performance automobile part made of the carbon fiber composite material, the technical problems of paint spraying processes are solved.
Description
Technical field
The present invention relates to a kind of lacquer spraying technique of automobile carbon fibre composite, more particularly to a kind of compound with carbon fiber
High-decoration, the lacquer spraying technique of high-performing car parts made by material, coating and application techniques field.
Background technology
In recent years, with the needs that automotive light weight technology develops, the technical advantage that carbon fibre composite is projected with it is in vapour
The application in car field is more and more, can be used to manufacture body of a motor car, wheel hub, primary structure member, power transmission shaft, engine mount and its inside
Component.Present F1 racing cars（World's First-order equation championship）, vehicle body major part structure all use carbon fibre composite.But,
Due to the complexity and the reason such as high cost of raw material of its preparation technology, current carbon fibre composite application is not also extensive.Especially
It is at present country's carbon fibre composite preparation means and technique it is all relatively backward, using the painting of conventional other composites
Package material and technique, are extremely difficult to the technical requirements of vehicle exterior cladding element.
At home and abroad in the inquiry of patent, Patents are described as follows with the difference of the present invention：
（1）Application（Patent）Number：CN200910132378.6《The production of the carbon fiber sheet with low curvature and surface coating
Method》It is related to a kind of production method of the carbon fiber sheet with low curvature and surface coating.Comprising 1 lamination laminating step, 2
Glued membrane pastes step, 3 hot pressing hardened forming steps and 4 coating spraying process.Lamination laminating step is first carried out with lamination type ground heap
Resiniferous plastic type carbon fiber raw material piece obtains carbon fiber raw material sheet material in folded, then carries out glued membrane and paste step to dissolve in
The glued membrane of paint solvent is covered on carbon fiber sheet, and then carrying out hot pressing hardened forming step will be covered with the carbon fiber of glued membrane
Raw material sheet material is placed in hot pressing hardened forming in mould, finally directly coating is sprayed at into carbon fiber sheet half with coating spraying process
On the glued membrane of finished product, make coating combine closely with glued membrane, the carbon fiber sheet with low curvature and surface coating is obtained.This
It is bright develop it is a kind of can be with direct spraying coating, to produce the producer of the carbon fiber sheet with application after hot-forming
Method.But the carbon fiber sheet that the production method is obtained, although the production process with application, but coating process is excessively simple, no
High-decoration, the high-performance coating of suitable automobile product can be produced.It is entirely different with the principal claim of the present invention.
（2）Application（Patent）Number：CN201210042627.4《A kind of coating process of carbon fiber fishing rod》A kind of carbon is provided
Fiber fishing rod coating process.The fishing rod coating process concrete steps are followed successively by degreasing, decontamination, cleaning and the baking of first fishing rod
It is dry, and pole mouth is clogged using the sealing of silica gel head；Be vertically hung on hanger cross numerical control DISK electrostatic spraying devices its carry out
Levelling area levelling 10-15 minutes are entered after lower reciprocation type spray painting, then afterwards by far infrared irradiation 8-15 minutes, it is carried out solid
Change.The implementation result invented using this, fishing rod surface is smooth full, and dead angle position painting rate is high, and overall japanning is uniform, and brightness is high,
Adhesive force is good, it is ensured that product quality is stable, is not in aberration, the bad phenomenon such as foaming, and it is thin that paint paint film takes out paint than tradition
50%, and the paint of whole fishing rod is few, it is lighter than traditional japanning mode, experienced operator is independent of, spray painting is rapid, efficiency high.
This with the present invention be more particularly directed to the Spray Painter of high-decoration, high-performing car parts made by a kind of use carbon fibre composite
Skill, is diverse.Patent in terms of the other coating process also on the dry body of carbon fiber golf clubs, with above-mentioned original
Because similar, with the present invention be more particularly directed to field and technical requirements it is entirely different.
The content of the invention
In order that carbon fibre composite is extensively applied on body of a motor car and parts, it is an object of the invention to provide
A kind of lacquer spraying technique of automobile carbon fibre composite, is to use high-decoration made by carbon fibre composite, high performance
The lacquer spraying technique of auto parts and components, which solves the technical problem of lacquer spraying technique.
The technical scheme is that what is be achieved in that：A kind of lacquer spraying technique of automobile carbon fibre composite, it is special
Levy is to comprise the following steps that：
（1）Polishing needs the carbon fiber workpieces of application, and surface roughness Ra is 0.7-1.2 after polishing, is wiped with adhesive rag and is polished
Ash, visually inspects free from dust, standby；
（2）Cold spraying putty, 25 μm ~ 45 μm of thickness.If putty thickness is less than 25 μm, appearance poor to the fillibility of ground
Easily there is ground polishing trace and base is bad；If putty thickness is higher than 45 μm, easily there is pin hole, underdry, be difficult to beat
The problem that mill and cost increase；
（3）For step（2）Putty layer surface drying after, for spray putty after coating surface defect enter water-filling grinding process, mesh
Depending on flat smooth；
（4）Cold spraying priming paint, 30 μm ~ 40 μm of thickness.If base coat thickness is less than 30 μm, the tack and outward appearance to putty layer
It is poor；If base coat thickness is higher than 40 μm, easily there is pin hole, underdry, be difficult the problem that polishing and cost increase；
（5）Local water grinding process, visual flat smooth are carried out for coating surface defect after spray-applied primer；
（6）For step（5）Prime coat afterwards, if there is a small amount of cut, particle, shrinkage cavity or pin hole, carries out second normal temperature
Spraying putty, 25 μm ~ 45 μm of thickness；Otherwise, it is directly entered step（8）；
（7）The drying temperature of second cold spraying putty is 65 DEG C ~ 85 DEG C, and temperature retention time is 20 min ± 2min.If warm
Degree is less than 65 DEG C, and temperature retention time can extend, and is unfavorable for lifting production capacity.If temperature is higher than 85 DEG C, it is unfavorable for the property of overall coating
Energy；
（8）Apply in spraying, 30 μm ~ 40 μm of thickness, 18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%；If middle apply thick
Degree is poor to the tack and outward appearance of prime coat less than 30 μm；If middle painting thickness is higher than 40 μm, easily there is pin hole, drying
Problem that is bad, being difficult polishing and cost increase.This environment temperature and humidity are to ensure final coating outward appearance and function admirable
Spraying conditions.
（9）Drying temperature after middle painting is 80 DEG C, and temperature retention time is 30 min ~ 40 min, this be ensure optimum outward appearance and
The drying condition of coating performance.
（10）Spray paint, 30 μm ~ 50 μm of thickness, 18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%；If
Finish paint thickness is poor to the tack and outward appearance of prime coat less than 30 μm；If face thickness be higher than 50 μm, easily occur pin hole,
Underdry, the problem for being difficult polishing and cost increase.This environment temperature and humidity are to ensure that final coating outward appearance and performance are excellent
Good spraying conditions.
（11）The dry temperature of sudden strain of a muscle after finish paint is 18 DEG C ~ 35 DEG C, relative humidity RH40% ~ 70%, time 7min ~ 10min, this
It is to ensure the dry condition of the sudden strain of a muscle of optimum outward appearance and coating performance.
（12）Drying temperature after finish paint is 130 DEG C ~ 150 DEG C, 20 min of temperature retention time ± 2min；, this is to ensure optimum
The drying condition of outward appearance and coating performance.
（13）Surface of the work flat smooth is checked, without shrinkage cavity, surface has flash effect.
Wherein, the drying condition of putty be normal temperature, 30 min.
Wherein, the drying condition of priming paint be normal temperature, 30 min.
Wherein, the fineness of Sand paper for polishing is the mesh of 240 mesh -800.
The positive effect of the present invention is：The painting of high-decoration auto parts and components made by solution carbon fibre composite
The difficult point of dress, save energy adapts to the developing direction of automotive light weight technology；, bloom consistent with vehicle body decorative appearance can be produced
The good auto parts and components of pool, high clarity, coating performance.
Description of the drawings
Fig. 1 is the flow chart of the present invention.
Specific embodiment
With reference to embodiment, the present invention will be further described：
Embodiment 1
For carbon fibre composite after polishing, surface roughness Ra is 1.0-1.2, and surface has allowed to polish a little trace and a little
Pin hole（Pinhole size is generally Φ 0.5mm- Φ 2mm）High-decoration spray painting is carried out, general technology flow process as shown in Figure 1 is：
（1）Polishing：Ground roughness Ra is 1.0-1.2 after polishing；
（2）Clean：Polishing ash is wiped with adhesive rag, free from dust is visually inspected；
（3）Spraying putty：The min of air drying 30,18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%, 30 μm of thickness ~
40μm；
（4）Water is polished：Coating surface defect enters water-filling grinding process, flat smooth after for spraying putty；
（5）Priming paint：The min of air drying 30,18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%, 30 μm ~ 40 μm of thickness；
（6）Water is polished：Local water grinding process, flat smooth are carried out for coating surface defect after spray-applied primer；
（7）Spraying putty：The min of air drying 30,18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%, 10 μm of thickness ~
20μm；
（8）Drying：65 DEG C -85 DEG C of drying temperature, 20 min of temperature retention time ± 2min；
（9）Middle painting：18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%, 30 μm ~ 40 μm of thickness；
（10）Drying：80 DEG C of drying temperature, min ~ 40 min of temperature retention time 30；
（11）Finish paint：18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%, 30 μm ~ 40 μm of thickness,
（12）Dodge dry：18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%, time 7min ~ 10min,
（13）Drying：130 DEG C ~ 150 DEG C of temperature, 20 min of temperature retention time ± 2min,
（14）Check and assessment：Visually, flat smooth, without shrinkage cavity, surface has flash effect,
（15）Inloading part.
After embodiment 1 is implemented, the coating performance of carbon fibre composite is shown in Table 1
。
Embodiment 2
For carbon fibre composite after polishing, surface roughness Ra is 0.8-1.0, and surface has allowed to polish a little trace and a little
Pin hole（Pinhole size is generally Φ 0.5mm- Φ 1mm）High-decoration spray painting is carried out, general technology flow process is：
（1）Polishing：Ground roughness Ra is 0.8-1.0 after polishing；
（2）Clean：Polishing ash is wiped with adhesive rag, free from dust is visually inspected；
（3）Spraying putty：The min of air drying 30,18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%, 30 μm of thickness ~
40μm；
（4）Water is polished：Coating surface defect enters water-filling grinding process, flat smooth after for spraying putty；
（5）Priming paint：The min of air drying 30,18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%, 30 μm ~ 40 μm of thickness；
（6）Water is polished：Local water grinding process, flat smooth are carried out for coating surface defect after spray-applied primer；
（7）Middle painting：18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%, 30 μm ~ 40 μm of thickness；
（8）Drying：80 DEG C of drying temperature, min ~ 40 min of temperature retention time 30；
（9）Finish paint：18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%, 30 μm ~ 40 μm of thickness；
（10）Dodge dry：18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%, time 7min ~ 10min；
（11）Drying：130 DEG C ~ 150 DEG C of temperature, 20 min of temperature retention time ± 2min；
（12）Check and assessment：Visually, flat smooth, without shrinkage cavity, surface has flash effect；
（13）Inloading part.
After embodiment 2 is implemented, the coating performance of carbon fibre composite is shown in Table 2
。
Embodiment 3
For carbon fibre composite after polishing, surface roughness Ra is 0.7-0.8, and surface carries out high dress without polishing trace and pin hole
Decorations property is painted, and general technology flow process is：
（1）Polishing：Ground roughness Ra is 0.7-0.8 after polishing；
（2）Clean：Polishing ash is wiped with adhesive rag, free from dust is visually inspected；
（3）Priming paint：The min of air drying 30,18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%, 30 μm ~ 40 μm of thickness；
（4）Water is polished：Local water grinding process, flat smooth are carried out for coating surface defect after spray-applied primer；
（5）Middle painting：18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%, 30 μm ~ 40 μm of thickness；
（6）Drying：80 DEG C of drying temperature, min ~ 40 min of temperature retention time 30；
（7）Finish paint：18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%, 30 μm ~ 40 μm of thickness；
（8）Dodge dry：18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%, time 7min ~ 10min；
（9）Drying：130 DEG C ~ 150 DEG C of temperature, 20 min of temperature retention time ± 2min；
（10）Check and assessment：Visually, flat smooth, without shrinkage cavity, surface has flash effect；
（11）Inloading part.
After embodiment 3 is implemented, the coating performance of carbon fibre composite is shown in Table 3.This embodiment is painting cost optimum side
Case.
。
Claims (1)
1. a kind of lacquer spraying technique of automobile carbon fibre composite, it is characterised in that comprise the following steps that：
（1）Polishing needs the carbon fiber workpieces of application, and surface roughness Ra is 0.7-1.2 after polishing, is wiped with adhesive rag and is polished
Ash, visually inspects free from dust, standby；
（2）Cold spraying putty, 25 μm ~ 45 μm of thickness；If putty thickness is less than 25 μm, appearance poor to the fillibility of ground
Easily there is ground polishing trace and base is bad；If putty thickness is higher than 45 μm, easily there is pin hole, underdry, be difficult to beat
The problem that mill and cost increase；
（3）For step（2）Putty layer surface drying after, for spray putty after coating surface defect enter water-filling grinding process, mesh
Depending on flat smooth；
（4）Cold spraying priming paint, 30 μm ~ 40 μm of thickness；If base coat thickness is less than 30 μm, the tack and outward appearance to putty layer
It is poor；If base coat thickness is higher than 40 μm, easily there is pin hole, underdry, be difficult the problem that polishing and cost increase；
（5）Local water grinding process, visual flat smooth are carried out for coating surface defect after spray-applied primer；
（6）For step（5）Prime coat afterwards, if there is a small amount of cut, particle, shrinkage cavity or pin hole, carries out second normal temperature
Spraying putty, 25 μm ~ 45 μm of thickness；Otherwise, it is directly entered step（8）；
（7）The drying temperature of second cold spraying putty is 65 DEG C ~ 85 DEG C, and temperature retention time is 20 min ± 2min；If warm
Degree is less than 65 DEG C, and temperature retention time can extend, and is unfavorable for lifting production capacity；If temperature is higher than 85 DEG C, it is unfavorable for the property of overall coating
Energy；
（8）Apply in spraying, 30 μm ~ 40 μm of thickness, 18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%；If middle apply thick
Degree is poor to the tack and outward appearance of prime coat less than 30 μm；If middle painting thickness is higher than 40 μm, easily there is pin hole, drying
Problem that is bad, being difficult polishing and cost increase；This environment temperature and humidity are to ensure final coating outward appearance and function admirable
Spraying conditions；
（9）Drying temperature after middle painting is 80 DEG C, and temperature retention time is 30 min ~ 40 min, and this is to ensure optimum outward appearance and coating
The drying condition of performance；
（10）Spray paint, 30 μm ~ 50 μm of thickness, 18 DEG C ~ 35 DEG C of environment temperature, relative humidity RH40% ~ 70%；If finish paint
Thickness is poor to the tack and outward appearance of prime coat less than 30 μm；If face thickness is higher than 50 μm, easily there is pin hole, drying
Problem that is bad, being difficult polishing and cost increase；This environment temperature and humidity are to ensure final coating outward appearance and function admirable
Spraying conditions；
（11）The dry temperature of sudden strain of a muscle after finish paint is 18 DEG C ~ 35 DEG C, relative humidity RH40% ~ 70%, time 7min ~ 10min, this is to protect
The dry condition of sudden strain of a muscle of the optimum outward appearance of card and coating performance；
（12）Drying temperature after finish paint is 130 DEG C ~ 150 DEG C, 20 min of temperature retention time ± 2min；, this is to ensure optimum outward appearance
With the drying condition of coating performance；
（13）Surface of the work flat smooth is checked, without shrinkage cavity, surface has flash effect；
Wherein, the drying condition of putty be normal temperature, 30 min；Wherein, the drying condition of priming paint be normal temperature, 30 min；Wherein, beat
The fineness of dry sanding paper is the mesh of 240 mesh -800.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610840697.2A CN106622909A (en) | 2016-09-22 | 2016-09-22 | Paint spraying process for automobile carbon fiber composite material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610840697.2A CN106622909A (en) | 2016-09-22 | 2016-09-22 | Paint spraying process for automobile carbon fiber composite material |
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ID=58852840
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107868609A (en) * | 2017-10-25 | 2018-04-03 | 中国第汽车股份有限公司 | A kind of bearing shell polymer coating and its preparation technology |
| CN107931067A (en) * | 2017-12-19 | 2018-04-20 | 江苏亨睿碳纤维科技有限公司 | A kind of woven pattern exposed lacquer spraying technique of automobile using carbon fiber product |
| CN108543660A (en) * | 2018-05-24 | 2018-09-18 | 无锡运通涂装设备有限公司 | The middle painting of Car Body Painting -/finishing coat production line and its production technology |
| CN109622336A (en) * | 2018-12-04 | 2019-04-16 | 江苏亨睿碳纤维科技有限公司 | A kind of water-based paint lacquer spraying technique of automobile carbon fiber product |
| CN111068999A (en) * | 2019-12-31 | 2020-04-28 | 上海大众联合汽车改装有限公司 | Paint spraying process for automobile carbon fiber outer covering piece substrate |
| CN111940254A (en) * | 2020-08-12 | 2020-11-17 | 山东英特力新材料有限公司 | Bubble repairing method for carbon fiber product |
| CN112871608A (en) * | 2021-01-05 | 2021-06-01 | 中车唐山机车车辆有限公司 | Preparation method of carbon fiber composite material coating and carbon fiber composite device |
| CN112902570A (en) * | 2021-01-22 | 2021-06-04 | 机械工业第九设计研究院有限公司 | Intelligent energy-saving emission-reducing system of drying furnace |
| CN113702512A (en) * | 2021-09-22 | 2021-11-26 | 广东汇天航空航天科技有限公司 | Reference block for nondestructive testing of functional honeycomb composite material and preparation method thereof |
| CN113774389A (en) * | 2021-09-13 | 2021-12-10 | 安徽晶海纳光电科技有限公司 | Regeneration method of gas diffusion plate for large-generation liquid crystal display production |
| CN115246154A (en) * | 2021-04-26 | 2022-10-28 | 牟锡恩 | Uniform grain production process of billiard cue |
| CN115646771A (en) * | 2022-12-14 | 2023-01-31 | 进顺汽车零部件如皋有限公司 | Water plating paint spraying process |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107868609A (en) * | 2017-10-25 | 2018-04-03 | 中国第汽车股份有限公司 | A kind of bearing shell polymer coating and its preparation technology |
| CN107931067A (en) * | 2017-12-19 | 2018-04-20 | 江苏亨睿碳纤维科技有限公司 | A kind of woven pattern exposed lacquer spraying technique of automobile using carbon fiber product |
| CN108543660B (en) * | 2018-05-24 | 2023-10-20 | 无锡运通涂装设备有限公司 | Production process of automobile body coating-intermediate coating/finishing paint production line |
| CN108543660A (en) * | 2018-05-24 | 2018-09-18 | 无锡运通涂装设备有限公司 | The middle painting of Car Body Painting -/finishing coat production line and its production technology |
| CN109622336A (en) * | 2018-12-04 | 2019-04-16 | 江苏亨睿碳纤维科技有限公司 | A kind of water-based paint lacquer spraying technique of automobile carbon fiber product |
| CN111068999A (en) * | 2019-12-31 | 2020-04-28 | 上海大众联合汽车改装有限公司 | Paint spraying process for automobile carbon fiber outer covering piece substrate |
| CN111940254A (en) * | 2020-08-12 | 2020-11-17 | 山东英特力新材料有限公司 | Bubble repairing method for carbon fiber product |
| CN112871608A (en) * | 2021-01-05 | 2021-06-01 | 中车唐山机车车辆有限公司 | Preparation method of carbon fiber composite material coating and carbon fiber composite device |
| CN112902570B (en) * | 2021-01-22 | 2023-03-28 | 机械工业第九设计研究院股份有限公司 | Intelligent energy-saving and emission-reducing system of drying furnace |
| CN112902570A (en) * | 2021-01-22 | 2021-06-04 | 机械工业第九设计研究院有限公司 | Intelligent energy-saving emission-reducing system of drying furnace |
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| CN113774389A (en) * | 2021-09-13 | 2021-12-10 | 安徽晶海纳光电科技有限公司 | Regeneration method of gas diffusion plate for large-generation liquid crystal display production |
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Application publication date: 20170510 |