Color coated aluminum coils are widely used in various production lines, and roller coating is an important process in all aluminum alloy waterproof coil production lines. The quality of the sprayed products, especially the conductivity quality, immediately damages the actual effect of product decoration design. Therefore, it is important to grasp the main reasons that can easily lead to a decrease in the quality of color coated aluminum coils during the entire spraying process.

1、机器设备：喷涂生产线规则机械设备制作完好无缺，机械设备制作规则运行稳定，不行以有横、竖向颤抖，喷涂辊规则碾磨细致。涂电脑装机全部辊筒横着颤抖， 必须操作在容许领域内，不然将比较严重损害镀层工艺性能。

1. Machinery and equipment: The spraying production line rules and the production of mechanical equipment are intact, and the production rules and operation of mechanical equipment are stable. There should be no horizontal or vertical shaking, and the spraying roller rules and grinding are meticulous. All rollers of the coating computer installation machine tremble horizontally and must be operated within the allowable range, otherwise it will seriously damage the coating process performance.

2、自然环境：规则喷涂室內部整理整洁，保证防污、防蛀和必定的自然通风特性，保证喷涂工艺性能不会遭到环境污染。别的由于平均气温改变而当即改变加工工艺规范。

2. Natural environment: The interior of the regular spraying room is tidy and tidy, ensuring anti fouling, anti moth, and certain natural ventilation characteristics, and ensuring that the spraying process performance will not be polluted by the environment. Other processing specifications are immediately changed due to changes in average temperature.

3、原料：修建涂料和铝卷是喷涂全过程中能损害喷涂质量的要素，由于修建涂料的批号中间存有偏色，修建涂料粒度缺乏而涂敷率不高，修建涂料与有机溶剂相互配合欠安、层次这些会当即损害喷涂实际效果而形成缺陷，铝卷板材的不整平、膜厚不匀称、边缘拉伸应变度欠安等也当即损害产品质量和总体应用。因此，在选择原料时，应严控。

3. Raw materials: Construction coatings and aluminum coils are factors that can damage the spraying quality throughout the entire spraying process. Due to the presence of color deviation in the batch number of construction coatings, the lack of particle size of construction coatings and the low application rate, poor coordination and layering between construction coatings and organic solvents, these can immediately damage the actual spraying effect and form defects, such as uneven and uneven film thickness of aluminum coil plates Poor edge tensile strain and other factors can immediately damage product quality and overall application. Therefore, strict control should be exercised when selecting raw materials.

4、人为失误：对技术性掌握情况和实际操作的规范化，是得到高质量喷涂实际效果的重要。因此，要提升对作业者的学习培训和让作业者把握喷涂技术性的基本原理和关键点，提升义务性，严苛按安全操作规程展开实际操作，以保证高质量的喷涂产品。

4. Human error: The standardization of technical mastery and practical operation is crucial for achieving high-quality spraying results. Therefore, it is necessary to enhance the learning and training of operators, enable them to grasp the basic principles and key points of spraying technology, enhance their obligation, and strictly follow safety operating procedures to carry out practical operations, in order to ensure high-quality spraying products.

以上扼要概括了形成彩涂铝卷质量下降的主要原因，期望能够引起我们的重视。喷漆工艺对喷涂的质量密切相关，规则对喷涂辊、提漆辊、计量检定辊和板材相对性线速比例操作在必定的领域内。要根据不一样的管理体系和喷涂产品的膜厚，对修建涂料设置必定的黏度领域，保证喷涂顺利展开，推动产品质量的提升。修建涂料的干固加工工艺， 烘干箱操作必须按要求操作，不行随意改变。

The above briefly summarizes the main reasons for the quality decline of color coated aluminum coils, and we hope to pay attention to them. The spraying process is closely related to the quality of spraying, and the rules apply to the operation of spraying rollers, paint lifting rollers, metrological verification rollers, and the relative linear velocity ratio of the sheet metal in certain fields. According to different management systems and film thicknesses of sprayed products, certain viscosity fields should be set for construction coatings to ensure smooth spraying and promote the improvement of product quality. The dry and solid processing process for building coatings and the operation of the drying oven must be carried out according to the requirements and cannot be changed arbitrarily.

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