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VFFS Packaging Machine Plastic film requirement

2021-09-06

Packing materials used for this machine are compound materials, e.g. paper/ polyethylene, cellophane/ polyethylene, nylon/ aluminum-plated/ polyethylene, BOPP thin film, tea filter paper and etc.

Packing films are used in rolls, with an outside diameter not more than 300mm. the inside diameter of the roll is 75mm. light spots for position control should be provided between two individual trade marks. The width of the each light spot is about 5mm, and its length is about 8mm. the light spots should be clear, and the ink should be equal. The stronger the contrast between the light spots and the base film, the more reliable the control.

Take care that no trade mark pattern and other text should be within the side band where the light spots locate when designing the trade mark to prevent mis-triggering of the photo-electric probe.

User should make sure the volume of the packaged product before choosing the packing materials. According to the volume of packaged product to make sure the width of the packing material (twice time width of shape bag), and the distance between trademarks (length of shape bag). Designing the picture of packing material should after making sure the volume of packed product and the length of packing bag.

The total thickness of packing material is between 0.03mm and 0.08mm, which should depend on the request and feature of package product.

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