Differences and applications between top film feeding and bottom film feeding flow wrap machines
The flow wrap machines can be divided into top film feeding flow wrap machine and bottom film feeding flow wrap machine. What are the differences between these two types flow wrap machines? And what items are they suitable for packaging respectively? Let us introduce them to you.
◆ The differences between top film feeding flow wrap machine and bottom film feeding flow wrap machine
1) The packaging method is different;
The top film feeding flow wrap machines is a packaging machine which the packaging film goes above the product and is packed from top to bottom. And the flow wrap machine film roll is located above the basic horizontal plane of the packaging machine (that means the flow wrap machine film is above the horizontal sealing cutter).
The bottom film feeding flow wrap machines is a packaging machine which the packaging film goes under the product and is packed from bottom to top. And the flow wrap machine film roll is located below the basic horizontal plane of the packaging machine (that means, the flow wrap machine film is below the horizontal sealing cutter).
2) The main difference between the two types of flow wrap machines is the feeding mechanism;
Since the top film feeding small flow wrap machine packs from top to bottom, there may be some products cannot be delivered to the appropriate position, that is, it cannot be delivered to the packaging film. This cause the material cannot go along with the packaging film and may cause some problems such as material clamping.
While the packaging film of the bottom film feeding flow wrap machine comes out from the bottom. When feeding, the push rod directly pushes the products onto the film, this way the product follows the film directly, which can reduce material jamming.
3) The product category of the packaging is different;
The top film feeding small flow wrap machine is mainly used for packaging various relatively regular-shaped products, such as biscuits, cakes, bread, candy, instant noodles, rice noodles, daily necessities, tissues, sanitary napkins, cards, industrial parts, paper boxes, and trays.
The bottom film feeding flow wrap machine uses the packaging format of bottom film feeding and top sealing, and is commonly used for packaging soft, elongated, and loose materials, such as towels, tissues, cutlery, toys, hardware, daily chemical products, cards, instant noodles, egg rolls, sausages, squid, ice pops, soft candy, biscuits, fresh fruit, etc.
You can also watch flow wrap machine video to get more intuitive feel in the differences in the working state between these two types of flow wrap machines.
◆ Applicable situations of top film feeding and bottom film feeding flow wrap machines (how to select)
The main difference between top film feeding small flow wrap machine and bottom film feeding flow wrap machines for sale is that they are designed for different types of products. So, should you use the top film feed or the bottom film feed flow wrap machine for sale? This needs to depend on the characteristics of the items that need to be packaged.
Simply say, if the product you need to pack is relatively heavy, you can use top film feeding flow wrap machine packing. And if you want to pack a lighter product, you can use bottom film feeding flow wrap machine packing.
For example, packaging chains, electronic reels and other products can use top film feeding flow wrap machine packing; while For packaging instant noodles, bread, preserved fruit and other foods, you can use bottom film feeding flow wrap machine packing. In addition, In addition, materials that are relatively soft and easy to deform or disperse are suitable for using bottom feeding flow wrap machine packing.
If you want more knowledge about flow wrap machine, such as flow wrap machine functional operation , you can cleck our blog for more information.