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、機器設備：噴涂生產線規則機械設備制作完好無缺，機械設備制作規則運行穩定，不行以有橫、豎向顫抖，噴涂輥規則碾磨細致。涂電腦裝機全部輥筒橫著顫抖， 必須操作在容許領域內，不然將比較嚴重損害鍍層工藝性能。

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、自然環境：規則噴涂室內部整理整潔，保證防污、防蛀和必定的自然通風特性，保證噴涂工藝性能不會遭到環境污染。別的由于平均氣溫改變而當即改變加工工藝規范。

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：修建涂料和鋁卷是噴涂全過程中能損害噴涂質量的要素，由于修建涂料的批號中間存有偏色，修建涂料粒度缺乏而涂敷率不高，修建涂料與有機溶劑相互配合欠安、層次這些會當即損害噴涂實際效果而形成缺陷，鋁卷板材的不整平、膜厚不勻稱、邊緣拉伸應變度欠安等也當即損害產品質量和總體應用。因此，在選擇原料時，應嚴控。

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、人為失誤：對技術性掌握情況和實際操作的規范化，是得到高質量噴涂實際效果的重要。因此，要提升對作業者的學習培訓和讓作業者把握噴涂技術性的基本原理和關鍵點，提升義務性，嚴苛按安全操作規程展開實際操作，以保證高質量的噴涂產品。

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鋁卷質量下降的主要原因，期望能夠引起我們的重視。噴漆工藝對噴涂的質量密切相關，規則對噴涂輥、提漆輥、計量檢定輥和板材相對性線速比例操作在必定的領域內。要根據不一樣的管理體系和噴涂產品的膜厚，對修建涂料設置必定的黏度領域，保證噴涂順利展開，推動產品質量的提升。修建涂料的干固加工工藝， 烘干箱操作必須按要求操作，不行隨意改變。

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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