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What is the function of vertical form fill seal machine?

Sep 19,2024 | Views: 40
A vertical form fill seal (VFFS) machine is a type of packaging equipment that performs several key functions in a single integrated process. Here are the main functions of a VFFS machine:

1. Forming: 

The machine forms a tube of packaging material (usually plastic film) around a hollow, cylindrical forming tube.


2. Sealing vertically: 

It creates a vertical seal along the length of the tube, typically using heat sealing.


3. Filling: 

The product to be packaged is dispensed into the tube from above.


vertical form fill seal machine


4. Sealing horizontally: 

The machine creates horizontal seals across the tube, forming the top seal of the filled bag and simultaneously the bottom seal of the next bag.


5. Cutting: 

It cuts between the horizontal seals to separate individual packages.


6. Printing (optional): 

Some VFFS machines can print information like expiration dates or batch numbers on the packages.


7. Gassing (optional): 

For some products, the machine can inject inert gas to extend shelf life.


8. Measuring: 

Many VFFS machines incorporate weighing systems to ensure accurate product amounts.


This type of machine is widely used in the food, pharmaceutical, and consumer goods industries for packaging a variety of products such as snacks, powders, liquids, and small solid items. VFFS machines are valued for their efficiency, as they can produce a high volume of packages in a short time, and their versatility in handling different package sizes and shapes.



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