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影響彩鋼板質量的幾點因素

來源:http://www.ebassfish.com/ 日期:2021-08-19 發布人:jiangucaigang
影響彩鋼板質量的因素主要體現在基材質量不好、涂層表面張力的改變、前處理不當、固化缺陷、涂裝缺陷及劃傷等。由冷軋基板生產的彩鋼板耐蝕性有限,因為表面涂層的任何細微擦傷都會很快出現紅銹影響使用。
The factors affecting the quality of color steel plate are mainly reflected in the poor quality of substrate, the change of coating surface tension, improper pretreatment, curing defects, coating defects and scratches. The color steel plate produced from cold-rolled substrate has limited corrosion resistance, because any slight scratch on the surface coating will soon appear red rust and affect its use.
這種基板的彩色涂層可用于制作家用電器的內部零件,或者用于不高的臨時隔離欄,所以彩鋼板質量的好壞主要看基板的選擇,基板可以采用冷軋基板、電鍍鋅基板和熱鍍鋅基板、鍍鋁鋅鋼板,應根據用途的不同選用合適力學性能的材料。
The color coating of this substrate can be used to make internal parts of household appliances or low temporary isolation bars. Therefore, the quality of color steel plate mainly depends on the selection of substrate. Cold rolled substrate, electro galvanized substrate, hot-dip galvanized substrate and aluminized zinc steel plate can be used as substrates. Materials with appropriate mechanical properties shall be selected according to different purposes.
彩鋼板質量的好壞除了和原材料質量的好壞有很大關系外還和生產產品的工藝技術有很大關系,我們在保證原材料一樣的前提下要想彩鋼板質量好就要保證生產工藝技術先進。
In addition to the quality of raw materials, the quality of color steel plate is also closely related to the process technology of products. If we want to have a good quality of color steel plate on the premise of ensuring the same raw materials, we must ensure that the production technology is advanced.
脫脂一水洗一表面調整(可選擇)一干燥一化學轉換膜處理一干燥早期一般都采用噴淋/浸漬法工藝。
Degreasing - washing - surface adjustment (optional) - drying - chemical conversion membrane treatment - drying. Spray / impregnation process is generally used in the early stage.
電鍍鋅基板的彩鋼板,因有鋅層保護,耐蝕性比冷軋基板彩色涂層板高,由于鋅層?。ㄒ话愫\量為20g/m2)其加工性能比熱鍍鋅好。在制作對耐蝕性有要求的產品和構件時,可考慮選用電鍍鋅鋼板為基板的彩涂板。如空調的內、外構件、洗衣機或冰箱外殼;內裝飾用墻壁、家具、照明器材、標牌等。我們都知道彩涂鍍鋅板顏色是多樣的,上色問題、怎樣控制彩涂鍍鋅板不出現色差等都是我們廠家需要克服的問題,也是保證產品質量的關鍵。
Due to the protection of zinc layer, the corrosion resistance of color steel plate of electro galvanized substrate is higher than that of color coated plate of cold rolled substrate. Due to the thin zinc layer (generally zinc content is 20g / m2), its processability is better than that of hot-dip galvanizing. When making products and components requiring corrosion resistance, the color coated plate with electro galvanized steel plate as the substrate can be considered. Such as the inner and outer components of air conditioner, washing machine or refrigerator shell; Walls, furniture, lighting fixtures, signs, etc. for interior decoration. We all know that the color of color coated galvanized sheet is diverse. The problems of coloring and how to control the color difference of color coated galvanized sheet are all the problems that our manufacturers need to overcome, and they are also the key to ensure product quality.
該工藝除第三步用浸漬法外,其余都用噴淋法施加化學品。在后處理中一般含有鉻,通過后處理后不但去除了卷材表面的多余殘留物,而且還可在表面生成一層含鉻的化合物,提高了卷材的抗腐蝕性能。在鋁卷材料應用時,膜重30一65mg/mZ。該工藝的后處理多數也是采用含鉻化合物。
In addition to the impregnation method in the third step, the chemicals are applied by spraying method. The post-treatment generally contains chromium. After the post-treatment, not only the excess residue on the surface of the coil is removed, but also a layer of chromium containing compound can be formed on the surface, which improves the corrosion resistance of the coil. When the aluminum coil material is applied, the film weight is 30-65mg / MZ. Most of the post-treatment of this process also uses chromium containing compounds.
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