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Points to note when producing hot rolled aluminum coils Ming

Edit:Mingtai Date: 2019-05-30 11:08
Although the production process of aluminum alloy is already very mature, there are some problems in the production of aluminum coils. Today, aluminum coil manufacturers will give you a brief introduction based on actual production experience:
1. The hot-rolled aluminum high-quality emulsion is used in the processing of aluminum coils to ensure that the aging failure period is long under the working conditions, and the oil moisture layer is not easy to occur.
2. When hot rolling of aluminum coil, keep the surface of the contact plate of roller table and other equipment clean, reduce the foreign matter intrusion on the surface of the slab, and allow the skin to have a depth of not more than 8% of the nominal thickness of the part where the defect is located. The surface is rough and local mechanical damage, but the maximum depth of the defect should not exceed 0.5mm, and the total area of ​​the defect does not exceed 5% of the total area of ​​the sheet, so as not to affect the quality of the aluminum coil.
3. The emulsion tank should be in the form of multi-tank, filtration and standing. It is beneficial to separate oil and dirt, purify the emulsion, and at the same time strengthen the oil and regularly use the purification additive.
4. Strengthen the management of emulsified oil to prevent emulsified oil pollution. No cracks, corrosion spots and traces of nitrate are allowed on the surface. Use deionized water to formulate the emulsion and use a suitable filtration device to prevent bacterial growth.
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