热门关键词： 济南彩钢板 | 济南复合板 | 济南彩钢瓦 | 济南c型钢 | 济南钢结构 |
The moisture contained in the color steel tile will reduce its compressive capacity, and the result is the deformation we see. Therefore, the drying treatment of the color steel tile is a very important step in the manufacturing project. What are the common drying treatment and grinding methods:
The common drying method is to use the earth kiln built by ourselves to dry the raw materials of color steel tiles, so as to reduce the drying cost of finished products.
Because the earth kiln is heated by manually burning Kang, the temperature is uneven, and often some have been dried, while some still have a lot of moisture, and the probability of cracking and deformation is not well controlled. Therefore, in addition to the primary steam drying, the secondary microwave drying should be carried out before processing. Yes, the water can evaporate evenly from inside to outside.
During the construction of color steel tile, it is necessary to polish the color steel tile in order to maintain its beauty and ensure the safety of construction. Its grinding methods are divided into dry grinding, wet grinding and mechanical grinding:
1. Mechanical grinding
During large-area construction of colored steel tiles, in order to improve work efficiency, mechanical grinding methods can be adopted, such as electric grinder, including disc type and vibration type.
2. Dry grinding
Sandpaper is used for grinding, which is applicable to the grinding of hard and brittle paint. The disadvantage of this kind of grinding of color steel tile is that a lot of dust will be generated during operation, affecting environmental sanitation.
3. Wet grinding
Polish the colored steel tile with sand paper dipped in water or soapy water. Water grinding can reduce grinding marks, improve the smoothness of the coating, and save sand paper and labor. However, when spraying the lower layer of paint after water grinding, first, the lower layer of paint can be painted only after the water grinding layer is completely dry, otherwise the paint layer is easy to whiten, and the substrate with strong water absorption is not suitable for water grinding.