CN112044719A - Rudder blade coating method - Google Patents
Rudder blade coating method Download PDFInfo
- Publication number
- CN112044719A CN112044719A CN202011043071.1A CN202011043071A CN112044719A CN 112044719 A CN112044719 A CN 112044719A CN 202011043071 A CN202011043071 A CN 202011043071A CN 112044719 A CN112044719 A CN 112044719A
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- Prior art keywords
- coating
- rudder blade
- paint layer
- antifouling paint
- self
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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
- B05D7/14—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 to metal, e.g. car bodies
-
- 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
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/06—Steering by rudders
- B63H25/38—Rudders
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention provides a rudder blade coating method, wherein the rudder blade comprises a rudder blade inner surface, a rudder blade outer surface and a rudder blade and rudder horn contact part, and the rudder blade coating method comprises the following steps: and coating the inner surface of the rudder blade to obtain an inner surface coating, wherein the inner coating comprises an inner surface epoxy coating and a weather inhibitor coating from inside to outside. The inner surface coating is obtained by construction in the subsection stage of ship construction. The rudder blade coating method provided by the invention has a good spraying effect.
Description
Technical Field
The invention belongs to the technical field of rudder blade spraying, and particularly relates to a rudder blade coating method.
Background
The rudder blade is a body generating rudder acting force and is made of wood or steel. At present, except for the wooden sailing boat, the sailing boat is made of steel, most of the sailing boat is welded into a hollow wing type, and the joints of the hollow wing type, a rudder stock and a rudder pintle are made of cast steel. The rudder blade generally comprises parts such as a rudder plate, a horizontal partition plate, a vertical partition plate and the like, and in order to improve the water flow condition behind the propeller, a streamline fairing cap is added on a common streamline rudder and is called as a fairing cap rudder for some ships.
The course is controlled mainly by the rotation of the rudder blade in the ship navigation, and the ship navigation is directly influenced by the anticorrosion and antifouling states of the rudder blade. At present, asphalt paint is used for coating the inside of a rudder blade, and an anticorrosion and antifouling system is adopted for protecting the outer surface of the rudder blade, but different construction processes are considered due to different points. The prior rudder blade coating method has the following defects:
1. the asphalt paint coating is arranged inside the rudder blade, contains asphalt components, and has certain harm to the health of constructors and subsequent maintenance personnel.
2. Because the outer surface of the rudder blade is locally contacted with the rudder horn tightly, the construction can not be completed, and the rudder blade can not be well protected.
3. The anticorrosive coating of the rudder blade has short coating intervals, and the surface treatment workload is large during coating.
4. The finished coating is not aesthetically pleasing due to the localized repair.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a rudder blade coating method with a good spraying effect.
The invention provides a rudder blade coating method, wherein the rudder blade comprises a rudder blade inner surface, a rudder blade outer surface and a rudder blade and rudder horn contact part, and the rudder blade coating method comprises the following steps:
and coating the inner surface of the rudder blade to obtain an inner surface coating, wherein the inner coating comprises an inner surface epoxy coating and a weather inhibitor coating from inside to outside.
Preferably, the inner surface coating is applied during a segment of the ship's construction.
Preferably, the thickness of the interior surface epoxy coating is 100 and 200 microns.
Preferably, the weather corrosion inhibitor has a density of 30 to 80 grams per cubic meter.
Preferably, the rudder blade coating method further comprises the following steps:
coating the outer surface of the rudder blade: coating the outer surface of the rudder blade to obtain an outer surface coating, wherein the outer surface coating sequentially comprises an outer surface epoxy coating, an outer surface connecting coating, a first outer surface self-polishing antifouling paint layer and a second outer surface self-polishing antifouling paint layer from inside to outside, and the thicknesses of the first outer surface self-polishing antifouling paint layer and the second outer surface self-polishing antifouling paint layer are respectively 80-150 micrometers;
coating the contact part of the rudder blade and the rudder horn: coating the contact part of the rudder blade and the rudder horn to obtain a contact part coating, wherein the contact part coating sequentially comprises a contact part antifouling primer layer, a contact part connecting paint layer and a contact part self-polishing antifouling paint layer from inside to outside, and the thickness of the contact part self-polishing antifouling paint layer is 200-300 microns.
Preferably, the first outer surface self-polishing antifouling paint layer is obtained by construction in a subsection stage of ship construction, the second outer surface self-polishing antifouling paint layer is obtained by construction in a launching previous stage of ship construction,
preferably, the contact site coating is applied during a staging stage of the ship's construction.
Preferably, the thickness of the outer surface epoxy coating is 250-350 microns, and the thickness of the outer surface connecting coating is 50-100 microns.
Preferably, the thickness of the contact site antifouling primer layer is 250-350 microns, and the thickness of the contact site connecting paint layer is 50-100 microns.
Preferably, the contact portion self-polishing antifouling paint layer comprises a first contact portion self-polishing antifouling paint layer and a second contact portion self-polishing antifouling paint layer, the first contact portion self-polishing antifouling paint layer and the second contact portion self-polishing antifouling paint layer are obtained by construction in a ship building subsection stage, the thickness of the first contact portion self-polishing antifouling paint layer is 80-150 micrometers, and the thickness of the second contact portion self-polishing antifouling paint layer is 80-150 micrometers;
the outer surface epoxy coating comprises a first outer surface epoxy coating and a second outer surface epoxy coating, wherein the first outer surface epoxy coating and the second outer surface epoxy coating are obtained by construction in a subsection stage of ship construction, the thickness of the first outer surface epoxy coating is 100-200 microns, and the thickness of the second outer surface epoxy coating is 100-200 microns.
The rudder blade coating method provided by the invention has a good spraying effect.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a schematic structural diagram of a rudder blade according to this embodiment;
in the figure: 1. the inner surface of the rudder blade; 2. the outer surface of the rudder blade; 3. and (5) hanging a rudder arm contact part.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, an embodiment of the present invention provides a rudder blade coating method, where the rudder blade includes a rudder blade inner surface 1, a rudder blade outer surface 2, and a rudder blade and rudder horn contact portion 3, and the rudder blade coating method includes the following steps:
and coating the inner surface 1 of the rudder blade to obtain an inner surface coating, wherein the inner coating comprises an inner surface epoxy coating and a weather inhibitor coating from inside to outside.
According to the embodiment, corrosion is prevented through the epoxy coating and weather inhibitor system, and the harm of the traditional asphalt component to the health of constructors and follow-up maintenance personnel is avoided. The use of the asphalt paint containing carcinogen is reduced, and the national green manufacturing call is fulfilled.
In a preferred embodiment, the inner surface coating is applied during a staging phase of the ship's construction.
In a preferred embodiment, the thickness of the inner surface epoxy coating is 100-200 microns, in a further preferred embodiment the thickness of the inner surface epoxy coating is 120-180 microns, and in a further preferred embodiment the thickness of the inner surface epoxy coating is 145-155 microns, or 150 microns.
In a preferred embodiment, the weather corrosion inhibitor has a density of 30-80 grams per cubic meter. In a further preferred embodiment, the weather corrosion inhibitor has a density of 40 to 60 grams per cubic meter, and in a further preferred embodiment the weather corrosion inhibitor has a density of 45 to 55 grams per cubic meter, or 50 grams per cubic meter.
In the embodiment, the inner surface coating has a good anticorrosion effect by setting the reasonable thickness of the inner surface epoxy coating and the weather inhibitor parameters, and can replace the traditional asphalt coating.
In a preferred embodiment, the rudder blade coating method further comprises the following steps:
coating the outer surface 2 of the rudder blade: coating the outer surface 2 of the rudder blade to obtain an outer surface coating, wherein the outer surface coating sequentially comprises an outer surface epoxy coating, an outer surface connecting coating, a first outer surface self-polishing antifouling paint layer and a second outer surface self-polishing antifouling paint layer from inside to outside, and the thicknesses of the first outer surface self-polishing antifouling paint layer and the second outer surface self-polishing antifouling paint layer are respectively 80-150 micrometers; in a further preferred embodiment, the first outer surface is 100-120 microns, more preferably 110 microns, from the polished antifouling paint layer thickness. In a further preferred embodiment, the thickness of the self-polishing antifouling paint layer of the second outer surface is 100-120 microns, more preferably 110 microns.
Coating the contact part 3 of the rudder blade and the rudder horn: coating the contact part 3 of the rudder blade and the rudder horn to obtain a contact part coating, wherein the contact part coating sequentially comprises a contact part antifouling primer layer, a contact part connecting paint layer and a contact part self-polishing antifouling paint layer from inside to outside, and the thickness of the contact part self-polishing antifouling paint layer is 200-300 microns. In a further preferred embodiment, the contact portion self-polishing antifouling paint layer has a thickness of 200-250 microns, and in a further preferred embodiment, the contact portion self-polishing antifouling paint layer has a thickness of 200-230 microns, or 220 microns.
In the embodiment, the coating process flow of the rudder blade outer surface 2 and the rudder blade and rudder horn contact part 3 is optimized, and the better anticorrosion and antifouling effects of the lifted rudder blade are realized.
In a preferred embodiment, the first outer surface self-polishing antifouling paint layer is constructed in a staged stage of shipbuilding, and the second outer surface self-polishing antifouling paint layer is constructed in a pre-launching stage of shipbuilding. In the embodiment, the self-polishing antifouling paint is coated in a segmented mode, the characteristic that the single-component antifouling paint has no coating interval is fully utilized, an antifouling system is designed to be two degrees, the segmented stage construction is one degree, after rudder blades are installed, collision parts are repaired, and the antifouling system is integrally and uniformly sprayed in the stage before launching, so that the surface treatment of the coating interval due to excessive coating is avoided, and the appearance of the finished coating is attractive. The embodiment makes full use of the non-coating interval characteristic of the single-component antifouling paint, optimizes the construction process flow of the rudder blade outer surface 2, reduces the surface treatment process, and ensures the finished coating to have attractive surface.
In a preferred embodiment, the contact site coating is applied during a staged phase of the ship's construction. In the embodiment, the coating process of the contact part 3 of the rudder blade and the rudder horn is carried out at the stage of ship construction, so that the problem that the contact part 3 of the rudder blade and the rudder horn cannot be completely constructed due to the releasing of the tightness can be solved well.
In a preferred embodiment, the outer surface epoxy coating thickness is 250-.
In a preferred embodiment, the outer surface attachment coating thickness is 50-100 microns. In further preferred embodiments, the outer surface attachment coating thickness is 70-90 microns, and in still further preferred embodiments, the outer surface attachment coating thickness is 75-85 microns, or 80 microns.
In a preferred embodiment, the contact site anti-fouling primer layer thickness is 250-350 microns. In further preferred embodiments, the contact site anti-fouling primer layer thickness is 290-310 microns, and in still further preferred embodiments the contact site anti-fouling primer layer thickness is 295-305 microns, or 300 microns.
In preferred embodiments, the contact portion tie coat layer has a thickness of 50 to 100 micrometers, in further preferred embodiments 70 to 90 micrometers, and in still further preferred embodiments 75 to 85 micrometers, or 80 micrometers.
In a preferred embodiment, the contact portion self-polishing antifouling paint layer comprises a first contact portion self-polishing antifouling paint layer and a second contact portion self-polishing antifouling paint layer, the first contact portion self-polishing antifouling paint layer and the second contact portion self-polishing antifouling paint layer are both constructed in a segmented stage of ship construction, the thickness of the first contact portion self-polishing antifouling paint layer is 80-150 micrometers, and the thickness of the second contact portion self-polishing antifouling paint layer is 80-150 micrometers.
In a further preferred embodiment, the thickness of the self-polishing antifouling paint layer of the first contact portion is 90-130 microns, and in a further preferred embodiment, the thickness of the self-polishing antifouling paint layer of the first contact portion is 100-120 microns, or 110 microns.
In a further preferred embodiment, the thickness of the self-polishing antifouling paint layer of the second contact portion is 90-130 microns, and in a further preferred embodiment, the thickness of the self-polishing antifouling paint layer of the second contact portion is 100-120 microns, or 110 microns.
In a preferred embodiment, the outer surface epoxy coating comprises a first outer surface epoxy coating and a second outer surface epoxy coating, wherein the first outer surface epoxy coating and the second outer surface epoxy coating are both obtained by construction in a segmented stage of ship construction, the thickness of the first outer surface epoxy coating is 100-200 microns, and the thickness of the second outer surface epoxy coating is 100-200 microns.
In a further preferred embodiment, the thickness of the first outer surface epoxy coating is 120-.
In further preferred embodiments, the second outer surface epoxy coating thickness is 120-170 microns, and in still further preferred embodiments, the second outer surface epoxy coating thickness is 140-160 microns, or 150 microns.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, reference to the description of the terms "preferred embodiment," "yet another embodiment," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A rudder blade coating method is characterized by comprising the following steps:
and coating the inner surface of the rudder blade to obtain an inner surface coating, wherein the inner coating comprises an inner surface epoxy coating and a weather inhibitor coating from inside to outside.
2. The rudder blade coating method according to claim 1, wherein the inner surface coating layer is formed in a segmental stage of ship construction.
3. The rudder blade coating method as claimed in claim 1, wherein the thickness of the inner surface epoxy coating is 100-200 μm.
4. Rudder blade coating process according to claim 1 characterised in that the weather inhibitor has a density of 30 to 80 g per cubic meter.
5. The rudder blade coating method according to claim 1, further comprising the steps of:
coating the outer surface of the rudder blade: coating the outer surface of the rudder blade to obtain an outer surface coating, wherein the outer surface coating sequentially comprises an outer surface epoxy coating, an outer surface connecting coating, a first outer surface self-polishing antifouling paint layer and a second outer surface self-polishing antifouling paint layer from inside to outside, and the thicknesses of the first outer surface self-polishing antifouling paint layer and the second outer surface self-polishing antifouling paint layer are respectively 80-150 micrometers;
coating the contact part of the rudder blade and the rudder horn: coating the contact part of the rudder blade and the rudder horn to obtain a contact part coating, wherein the contact part coating sequentially comprises a contact part antifouling primer layer, a contact part connecting paint layer and a contact part self-polishing antifouling paint layer from inside to outside, and the thickness of the contact part self-polishing antifouling paint layer is 200-300 microns.
6. The rudder blade coating method according to claim 5, wherein the first outer surface self-polishing antifouling paint layer is formed in a staged stage of ship building, and the second outer surface self-polishing antifouling paint layer is formed in a pre-launching stage of ship building.
7. Rudder blade coating method according to claim 5, characterized in that the contact area coating is applied in a segmental phase of the ship's construction.
8. The rudder blade coating method as claimed in claim 5, wherein the thickness of the outer surface epoxy coating is 250-350 microns, and the thickness of the outer surface connecting coating is 50-100 microns.
9. The rudder blade coating method as claimed in claim 5, wherein the thickness of the antifouling primer layer at the contact part is 350 microns, and the thickness of the connecting paint layer at the contact part is 50-100 microns.
10. The rudder blade coating method according to claim 1, wherein the contact portion self-polishing antifouling paint layer includes a first contact portion self-polishing antifouling paint layer and a second contact portion self-polishing antifouling paint layer, the first contact portion self-polishing antifouling paint layer and the second contact portion self-polishing antifouling paint layer are formed in a segment stage of ship building, the first contact portion self-polishing antifouling paint layer is 80-150 micrometers thick, and the second contact portion self-polishing antifouling paint layer is 80-150 micrometers thick;
the outer surface epoxy coating comprises a first outer surface epoxy coating and a second outer surface epoxy coating, wherein the first outer surface epoxy coating and the second outer surface epoxy coating are obtained by construction in a subsection stage of ship construction, the thickness of the first outer surface epoxy coating is 100-200 microns, and the thickness of the second outer surface epoxy coating is 100-200 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011043071.1A CN112044719A (en) | 2020-09-28 | 2020-09-28 | Rudder blade coating method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011043071.1A CN112044719A (en) | 2020-09-28 | 2020-09-28 | Rudder blade coating method |
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| CN112044719A true CN112044719A (en) | 2020-12-08 |
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| CN202011043071.1A Pending CN112044719A (en) | 2020-09-28 | 2020-09-28 | Rudder blade coating method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115158602A (en) * | 2022-08-22 | 2022-10-11 | 广船国际有限公司 | Rudder pin maintenance method for ship semi-mounted rudder |
| CN115959264A (en) * | 2023-02-01 | 2023-04-14 | 海安海太铸造有限公司 | High-strength large marine rudder horn and using method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115158602A (en) * | 2022-08-22 | 2022-10-11 | 广船国际有限公司 | Rudder pin maintenance method for ship semi-mounted rudder |
| CN115959264A (en) * | 2023-02-01 | 2023-04-14 | 海安海太铸造有限公司 | High-strength large marine rudder horn and using method thereof |
| CN115959264B (en) * | 2023-02-01 | 2023-12-26 | 海安海太铸造有限公司 | Large rudder horn for high-strength ship and use method thereof |
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Application publication date: 20201208 |
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