机箱机柜外壳上色是保障设备外观与使用寿命的重要环节，需遵循规范流程以确保涂层均匀、附着牢固。以下为具体步骤解析：
Coloring the chassis and cabinet shell is an important step in ensuring the appearance and service life of equipment, and it is necessary to follow standardized procedures to ensure uniform coating and firm adhesion. Here are the specific steps for analysis:
前期表面处理是基础。先以高压气枪浮尘，再用中性清洁剂擦拭，清理焊接处与缝隙的油污、锈迹及碎屑，清水冲洗后晾干。对有毛刺、划痕的表面，用砂纸从粗到细打磨平整，增强涂层附着力。金属外壳需经酸洗或喷砂除锈，之后涂底漆防二次生锈。
Pre surface treatment is the foundation. First, use a high-pressure air gun to remove floating dust, then wipe with a neutral cleaning agent, focusing on cleaning the oil stains, rust, and debris at the welding joints and gaps. Rinse with clean water and air dry. For surfaces with burrs and scratches, use sandpaper to polish from coarse to fine until smooth, enhancing the adhesion of the coating. The metal casing needs to be pickled or sandblasted to remove rust, and then coated with primer to prevent secondary rusting.
涂装前需做好准备。依据使用环境选合适涂料，如防锈漆、静电粉末涂料等，确认颜色与配比后，按比例调配并搅拌均匀，避免沉淀。准备喷枪、刮刀等工具，确保清洁完好。对接口、铭牌等无需上色部位，用胶带或遮蔽纸遮盖。
Preparation is required before painting. Select suitable coatings based on the usage environment, such as rust proof paint, electrostatic powder coating, etc. After confirming the color and ratio, mix and stir evenly according to the ratio to avoid sedimentation. Prepare spray guns, scrapers, and other tools to ensure cleanliness and integrity. Cover non colored parts such as interfaces and nameplates with tape or masking paper.
正式上色时，若用喷涂，调整喷枪压力与喷嘴，保持 20-30 厘米距离，匀速喷涂使涂层均匀，避免流挂、漏喷，按先横后纵顺序分多次进行，待前层干燥再喷下一层。刷涂则用软毛刷沿同一方向操作，注意边角、凹槽的覆盖。
When officially coloring, if spraying is used, adjust the pressure of the spray gun and nozzle, maintain a distance of 20-30 centimeters, and spray at a constant speed to make the coating uniform, avoiding sagging and leakage. Repeat the process in a horizontal to vertical sequence, and wait for the previous layer to dry before spraying the next layer. When brushing, use a soft bristled brush to operate in the same direction, paying attention to the coverage of corners and grooves.
上色后进入干燥固化阶段。将工件放在通风处，依涂料类型控制温湿度。自然干燥需保证环境洁净，烘烤干燥严格按说明控制烤箱温度，避免高温导致涂料变色开裂，过程中防止碰撞震动。
After coloring, it enters the drying and curing stage. Place the workpiece in a ventilated area and control the temperature and humidity according to the type of coating. Natural drying requires a clean environment, and baking and drying should strictly control the oven temperature according to the instructions to avoid discoloration and cracking of the coating caused by high temperatures. During the process, collision and vibration should be prevented.
进行后期检查与修整。涂层干透后移除遮蔽物，检查是否有气泡、针孔、色差等问题。小面积瑕疵可打磨后补涂，大面积问题需涂层重涂。完成后擦拭表面，确保上色效果达标。
Finally, conduct post inspection and repair. After the coating is dry, remove the cover and check for any bubbles, pinholes, color differences, and other issues. Small area defects can be polished and repainted, while large area problems require removal and repainting of the coating. After completion, wipe the surface to ensure that the coloring effect meets the standard.
整个流程需严控各环节质量，以保证外壳既美观，又能抵御环境侵蚀，延长设备使用寿命。
The entire process needs to strictly control the quality of each link to ensure that the shell is both aesthetically pleasing and resistant to environmental erosion, thereby extending the service life of the equipment.
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