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Home / News / Product Knowledge / Talking about the working characteristics of the sealing machine

Talking about the working characteristics of the sealing machine

Can sealing machine The work feature is to manually cap the cans and press the cans tightly between the pressure head of the sealing machine and the supporting bottom plate or lifting plate, and then seal the cans.

There are two types of crimping sealing methods: ①The can itself rotates with the pressure head; ②The can is fixed between the pressure head and the support plate and cannot rotate. The latter type of sealing machine is more suitable for sealing juicy cans. Because the can body does not rotate, it can prevent the soup in the can from splashing under the action of centrifugal force, resulting in insufficient product net weight; the sealed can enters the sealed chamber of the can sealing machine, and the air in the can is drawn out by the pipe connected to the vacuum pump, and then again Seal it.
The machine is closed when there is a can with a lid, it will automatically stop when there is a can without a lid, it will automatically stop when it is overloaded, it cannot be started when the vacuum is insufficient, and it will automatically stop. The production capacity is 50 cans per minute. Suitable for special-shaped tanks with a diagonal of 130 mm and a tank height of 22 to 96 mm. This can sealing machine has the advantages of simple structure, convenient maintenance and operation, small size, light weight and so on. The domestic production of aluminum cans began in the 1980s. After more than 20 years of development, a certain manufacturing capacity has been formed. There are 26 can production lines with an annual production capacity of more than 11 billion. In 1996, the sales volume of China's cans was 5 billion. Only, in 1998, the national consumption of cans was about 6 billion. In 2004, the total demand for cans in the country reached about 8 billion, consuming about 180,000 tons of aluminum. However, judging from the current consumption of aluminum cans, the per capita consumption is 6 , There is a big gap with the 400 per capita in the United States, so with the economic growth and the improvement of people's consumption level, the amount of aluminum used in the can seamer will also increase further.
It is predicted that in 2010, aluminum cans in the country will reach 290,000 tons. With the continuous advancement of sealing machinery and other technologies in can-making enterprises, the thickness of aluminum strips for can bodies has been reduced from 0.334 in the last century to 0.250 mm; the thickness of aluminum strips for can lids has also changed from the original thickness. The 0.39 hⅱn is reduced to 0.24 mm. In order to improve production efficiency, various can manufacturers are also relying on advanced technology to continuously increase the forming speed of the can body. In the mid-1980s, the production capacity of the American can production line was around 800 cans/min, and now it has reached 2,000 cans/min. min.
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