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1+3 high speed continuous hot rolling mill can greatly reduce energy consumption and cost, and speed up the production efficiency. Because of its strong rolling force, the aluminium billet can be rolled directly from the thickness of 800mm to 3.5mm hot rolled aluminium plate stock.
SMS (Germany)
Ingot milling machine
Clean the surface of the aluminium billet produced by the melting and casting, so that the hot-rolled thick aluminum plate can obtain a uniform and bright surface without impurities during the rolling process after being loaded on the machine.
Continuous pusher-type heating furnace
Gautschi (Switzerland)
In the pusher-type heating furnace, the hot-rolled ingot is pushed into the furnace in a vertical position, so that the ingot is heated quickly and evenly. It realizes rapid and large-scale heat treatment of aluminium ingots in batches, and at the same time ensures the aging of aluminium heat treatment.
1+3 Hot continues rolling mill
SMS (Germany)
1+3 high speed continuous hot rolling mill can greatly reduce energy consumption and cost, and speed up the production efficiency. Because of its strong rolling force, the aluminium billet can be rolled directly from the thickness of 800mm to 3.5mm hot rolled aluminium plate stock.
Six-high cold rolling mill
SMS (Germany)
The six-high reversible cold rolling mill can effectively control the flatness and stability of the finished aluminium plate & sheet shape, and effectively improve the thinning and edge cracking of the aluminium coil.
Surface cleaning line
The increasing demand of various industries for aluminium strip and foil has driven the rapid development of high-precision aluminum strips such as aluminum-plastic strip, PS material, canning material, and capacitor foil. These products have very strict requirements on straightness and cleanliness, and the high-precision aluminum strip is usually rolled with all-oil cooling and lubrication, and there is a large amount of rolling oil and aluminium powder on the surface, so to obtain good surface quality, the surface residue must be cleaned.
Tension leveling line
UNGERER–Germany
Generally, aluminium coil or strip with high quality for flatness needs to be bent and straightened. The work of the tensioning and straightening machine makes the strip gradually produce plastic extension and release the internal stress of the plate under the action of drawing and bending, to improve the waveform, warping, side bending and potential plate & coil flatness defects of the strip during cold working.
Firstly, wrap the aluminum sheet closely with a dense waterproof film and seal it carefully with tape to ensure that no part of the aluminum sheet is exposed to the possible moist air, while placing enough desiccant inside the package. This is to ensure that the inside of the aluminum sheet is dry, not to let the aluminum plate contact any liquid, to prevent the aluminum plate from oxidation or corrosion, etc.
Outside of the waterproof film, another layer of kraft waterproof paper is wrapped. This is mainly to ensure that the soft waterproof film will not be damaged, waterproof paper to a certain extent can also be isolated from the external moisture, thick kraft paper can be well isolated from the temperature difference between the surface and the environment, to avoid the aluminum plate due to the temperature difference is too large moisture condensation phenomenon, to prevent the aluminum plate oxidation.
Outside the kraft paper, it will cover the whole layer of corrugated cardboard to protect the edges and corners of the aluminum sheet, and finally the aluminum sheet will be packed together with the wooden tray by metal packing tape. The outer packaging of a wooden pallet carrying several tons of aluminum sheets is reinforced to prevent the aluminum sheets from scattering and sliding during transportation, and also to avoid friction between the aluminum sheets and the aluminum sheets, which may damage the surface.
