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Features of working principle of sealing machine

The working characteristic of the can sealing machine is to manually cap and press the can between the pressure head of the can sealing machine and the supporting plate or lifting plate, and then the can is sealed. There are two types of crimp 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.
Can sealing machine The latter type 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 a lack of product gross weight; the sealed can enter 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 can be sealed when there is a can with a lid, and 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 lacking. It can be automatically stopped. The production capacity is 50 cans per minute. The diagonal is 130mm, and the height of the can is 22~96mm.
This type of can sealing machine has the advantages of simple structure, convenient maintenance and operation, small size, and lightweight. The production of overseas aluminum cans began in the 1980s. After more than 20 years of development, a definite manufacturing ability 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, and the consumption of aluminum was about 180,000 tons. However, judging from the current consumption status of aluminum cans, the per capita consumption is 6, There is a big gap with the 400 per capita in the United States, so as the economy increases and people's consumption increases, the amount of aluminum used in the can seamer will also increase.
With the continuous improvement 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 The 0.39 hⅱn is reduced to 0.24 mm. To improve production efficiency, various can manufacturers are also relying on advanced technology to always increase the forming speed of can bodies. In the mid-1980s, the production capacity of American can production lines was around 800 cans/min, and now it has reached 2,000 cans/min. min.
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