Method for spraying thermal control coating on surface of honeycomb structure on inner side of spacecraft sun shade
A technology of honeycomb structure and thermal control coating is applied in the field of thermal control coating spraying on the surface of honeycomb structure on the inner side of the spacecraft sunshade, which can solve the problems of uninvolved spraying method and low baking cost on the surface of honeycomb structure, so as to achieve the following advantages. The effect of good focus, smooth appearance and strong practicability
Active Publication Date: 2015-05-20
SHANGHAI INST OF SATELLITE EQUIP
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Problems solved by technology
[0004] At present, there are many patents on coating spraying methods. For example, Chen Zhenghao from Taiwan, China elaborated on a surface spraying method for grooved heat sinks; Low-cost spraying method; Ge Xianci provides a car spraying method with a relatively standard process flow and easy for car sprayers to master the spraying technology for the automobile body spray industry, but it does not involve the implementation method of honeycomb structure surface paint spraying
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[0027] The following clearly and completely describes the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary sprayers in the field without creative work belong to the protection scope of the present invention.
[0028] This embodiment provides a method for spraying a thermal control coating on the surface of a honeycomb structure inside a spacecraft sunshade, comprising the following steps:
[0029] Step 1, surface pre-treatment: straighten the collapsed honeycomb and remove the residual rubber bubbles of the honeycomb structure;
[0030] Step 2, cleaning: Use a vacuum device to remove dust and residual glue particles, and use a spray gun to spray cleaning agents to clean the honeycomb surface;
[0031] Step 3, spraying: adjust the parameters of the spray...
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Abstract
The invention provides a method for spraying a thermal control coating on the surface of a honeycomb structure on the inner side of a spacecraft sun shade. The method comprises the following steps: spraying on the surface of the honeycomb structure is performed through the procedures of surface pretreatment, cleaning, spraying, leakage detecting and supplementary spraying. Through the method for the spraying on the surface of the honeycomb structure, a delustering and thermal control coating which is tidy in outer appearance, even in thickness and excellent in adhesive force is formed on the surface of the honeycomb structure through spraying, the requirements of the spacecraft sun shade on the thermal control coating can be met, and the reliability of a spacecraft in-orbit operation is improved. The method provided by the invention is strong in practicability, simple and easy to lean, can prevent blindness in the spraying on the honeycomb structure, improves the working efficiency and coated product quality.
Description
technical field [0001] The invention relates to a method for spraying a surface of a honeycomb structure in the technical field of paint and coating, in particular to a method for spraying a thermal control coating on the surface of a honeycomb structure inside a spacecraft sunshade. Background technique [0002] The sunshade is a device installed on the optical lens, camera and the front of the camera to block harmful light, and it is also one of the most commonly used optical accessories. The sunshade can play a good role and effect in suppressing the halo of the picture, preventing stray light from entering the lens, protecting the camera and the lens from accidental collisions, and giving full play to the potential quality of the lens optics. The inner wall of the high-quality sunshade has undergone multiple matting treatments, and the reflectivity of the inner wall is only about 10%, and it will not refract the lens itself when used. [0003] Spraying the matting therm...
Claims
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IPC IPC(8): B05D3/00B05D1/02
Inventor 陈砚朋季琨曹康丽王晓占郑义
Owner SHANGHAI INST OF SATELLITE EQUIP