Many drinks are packed in cans. How is canned food made? This is a huge aluminum coil, with a width of 1.5 m and a weight of nine tons. It is about to be made into 750,000 beverage cans.

First, first, aluminum coil will be sent to a large punch. The machine will punch out countless discs with a diameter of 14cm and punch them into cups. The scraps punched in aluminum coil will be compacted and sent back to the aluminum factory for processing into new aluminum coil. Then, the punched cup-shaped aluminum plate is transported to the metal forming machine, and the machine will punch the aluminum plate to form the main body of the can. The lubricant on the molding machine can prevent the aluminum can from being damaged during the drawing process, and also acts as a coolant to prevent the aluminum from heating during the processing. After the water tank is formed, the edge of the water tank is trimmed with this trimmer to make it smooth. Next, put the aluminum cans face down and put them neatly on the conveyor belt. They are about to be sent to the cleaning machine.

Secondly, the cleaning of aluminum cans is divided into six steps. The first two steps are to clean the thin layer on the surface of aluminum cans in hydrofluoric acid at 60 degrees Celsius, and the last four steps are deionized water at 60 degrees Celsius, which is neutral. When the aluminum can comes out of the cleaning machine, it will directly enter the dryer, and the surface of the dried aluminum can will become shiny, and then it will be rolled. It can roll on the surface of aluminum can, and a circle of blue paint is coated on the bottom of aluminum can, which is blue and round under ultraviolet radiation. This blue paint will make aluminum cans slide easily on the conveyor belt. Next, the product information will be printed on the aluminum can. This rotary printing system can print five colors, one at a time. Then the printing machine coats a layer of varnish on the surface of the aluminum can to protect the printing ink. This printing machine can print 1800 aluminum cans per minute. Then the aluminum can quickly passes through an oven to cure the ink and dry the hydrogen paint.

Third, the machine sprays hydrogen on the side of the aluminum can to form a diaphragm between the aluminum can and the beverage, so that the filled beverage will not have a metallic taste, and the aluminum will not be corroded by carbonated beverages. Then the aluminum tank forms a wellhead with a diameter of 5 cm through the well builder, and then the edge of the top of the aluminum tank is raised by a rounding machine, and then the pull ring cover is connected to it. Subsequently, the aluminum cans pass through an accurate vision system and scan the inside of each aluminum can at the same time. All unqualified aluminum cans will be removed from the production line. Finally, the workers will bundle the qualified semi-finished cans on the flat plate, and they will be transported to the beverage factory, where they will be. Fill it with drinks and put it on the tab cover.