当一辆奔驰车辆进入维修车间，技师首先会进行全方位的划痕评估。借助专业色差仪和漆膜测厚仪，对损伤区域进行精准检测。对于轻微划痕，技师会采用局部修复方案，通过干磨机搭配P1200号砂纸进行精细打磨，确保表面平滑度。若划痕触及底漆，则需启动整套喷漆流程，使用红外线烤灯对损伤部位进行预加热，提升金属板件的附着性。

　　When a Mercedes Benz vehicle enters the repair workshop, the technician will first conduct a comprehensive scratch assessment. With the help of professional colorimeters and paint film thickness gauges, precise detection of damaged areas can be carried out. For minor scratches, technicians will adopt a local repair plan, using a dry grinder combined with P1200 grit sandpaper for fine polishing to ensure surface smoothness. If the scratch touches the primer, the entire painting process needs to be initiated, using an infrared baking lamp to preheat the damaged area and improve the adhesion of the metal plate.

　　表面处理环节堪称工艺核心。技师会使用进口干磨系统，配备集尘装置，确保作业环境清洁。针对不同材质的保险杠或车身面板，采用差异化的打磨策略。对于铝合金部件，需使用专用砂纸避免金属氧化。在底漆施工阶段，选用奔驰原厂认证的环氧底漆，通过高压无气喷涂设备，实现0.05毫米的漆膜厚度控制，确保防腐性能与层间附着力。

　　The surface treatment process can be regarded as the core of the technology. Technicians will use imported dry grinding systems equipped with dust collection devices to ensure a clean working environment. Adopt differentiated polishing strategies for bumpers or body panels made of different materials. For aluminum alloy components, specialized sandpaper should be used to prevent metal oxidation. During the primer construction stage, Mercedes Benz certified epoxy primer is selected, and a high-pressure airless spraying equipment is used to achieve a film thickness control of 0.05 millimeters, ensuring anti-corrosion performance and interlayer adhesion.

　　面漆喷涂工艺体现着技术精髓。维修车间配备恒温恒湿喷漆房，温度控制在22℃±2℃，湿度维持55%±5%。技师根据车辆VIN码调取原厂色号数据，使用进口光谱仪进行三次色差校准。喷涂过程采用三遍喷涂法：首遍雾喷控制流平，二遍匀喷建立漆膜，三遍清漆提升光泽度。每层喷涂间隔严格控制在10分钟，确保溶剂充分挥发。

　　The topcoat spraying process embodies the essence of technology. The maintenance workshop is equipped with a constant temperature and humidity spray painting room, with a temperature controlled at 22 ℃± 2 ℃ and a humidity maintained at 55% ± 5%. The technician retrieves the original color code data based on the vehicle VIN code and performs three color difference calibrations using an imported spectrometer. The spraying process adopts a three-layer spraying method: the first layer of mist spraying controls leveling, the second layer of uniform spraying establishes a paint film, and the third layer of clear varnish enhances glossiness. The spraying interval for each layer is strictly controlled at 10 minutes to ensure that the solvent evaporates fully.

　　烘烤固化环节采用红外线与热风对流复合工艺。首段60℃保持15分钟激活固化剂，二段80℃持续20分钟完成交联反应，最终通过自然冷却避免漆膜应力。抛光处理则使用进口抛光机，搭配3D立体抛光垫，从粗蜡到细蜡进行三阶段处理，最终实现镜面效果。

　　The baking and curing process adopts a composite technology of infrared and hot air convection. The curing agent is activated in the first stage at 60 ℃ for 15 minutes, and the crosslinking reaction is completed in the second stage at 80 ℃ for 20 minutes. Finally, the coating stress is avoided by natural cooling. The polishing process uses an imported polishing machine, paired with a 3D three-dimensional polishing pad, and undergoes three-stage processing from coarse wax to fine wax, ultimately achieving a mirror effect.

　　质量控制贯穿整个工艺流程。技师会使用漆膜仪进行多点检测，确保漆面厚度符合原厂120-150微米标准。在色差检验环节，采用D65标准光源对色箱，从15°、45°、75°三个角度进行比对。最终验收包含漆面硬度测试、耐候性模拟等七项检测，确保修复部位与原厂漆面达到95%以上的匹配度。

　　Quality control runs through the entire process flow. Technicians will use a paint film gauge for multi-point testing to ensure that the paint thickness meets the original factory standard of 120-150 microns. In the color difference inspection stage, D65 standard light source is used to compare the color box from three angles of 15 °, 45 °, and 75 °. The final acceptance includes seven tests, including paint hardness testing and weather resistance simulation, to ensure that the repaired area matches the original paint surface by more than 95%.

　　这项工艺的精妙之处，在于将现代科技与传统匠艺深度融合。从精准的漆面数据管理，到智能化的环境控制系统，再到严苛的质检流程，每个细节都彰显着对品质的执着追求。在济南的汽车维修行业，这种对工艺的极致把控，正不断刷新着豪华车维修服务的标准。

　　The subtlety of this craftsmanship lies in the deep integration of modern technology and traditional craftsmanship. From precise paint data management, to intelligent environmental control systems, to rigorous quality inspection processes, every detail demonstrates a persistent pursuit of quality. In the automotive repair industry in Jinan, this extreme control over craftsmanship is constantly refreshing the standards of luxury car repair services.

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