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    Provol Form-Fill-Seal Machine

    6 Dec 2021, 4:22 PM
    Provol FP-430L FFS Machine

    Introducing Provol’s Form Fill Seal (FFS) bagging machine!


    Sipro can now supply the FP-430 machine that can handle bags weighing from 1kg to 20kg. Flexible, pre-made bags of different types and sizes can be filled. It is designed to meet CE and EN ISO 13849-1 standards, with its mechanical structure having no hygienic dead angle. It has a simple installation and multi-user HMI that can be accessed at different terminals.


    Benefits of the Provol FP-430 FFS:

    • High efficiency

    • Stable performance

    • Lower floor footprint

    • Quick changeover between bag sizes and designs

    • High flexibility with bag size and design

    • No bottleneck with longer filling time


    Some Machine Parts:

    • Date Coding Assembly – To adjust installation space for date coding compatible with laser coding and ink jet printers.

    • 1st and 2nd Bag Bottom Shaker – Vibrates the filled bag so the product fills the bottom of the bag fully and ensure the product is level in the bag.

    • Bag Air Exhaust – Ensures air is removed from the bags after being filled.

    • Bag Sealing and Cooling


    What are Form Fill Seal machines?

    FFS machines are automatic packaging machines that form, fill and seal a bag, the main types being vertical (VFFS) and horizontal (HFFS). They are used in almost every industry today as they offer fast and economical packaging solutions. The VFFS are typically used in the food packaging industry and can bag both solids and liquids. They construct plastic bags out of a flat roll of film while simultaneously filling the bags with product and sealing after. The HFFS are typically used for fragile products that cannot withstand a high drop and for products that don’t flow.


    What are their benefits?

    • Bags that are made with this machine are less expensive than premade bags.

    • They are compact and do not take up a lot of floor space, especially the VFFS.

    • They are easy and quick to clean out between production batches.

    • Very versatile making them ideal for packaging a range of products.

    • Some machines have weighers to ensure that each packaged product is the right volume or weight to a ±0.05% accuracy.

    • They have a lower capital cost when bagging over 500 bags/hour.

    • They are easy to use and reliable under any application.


    How do Form, Fill, Seal Machines Work?

    The machine starts by forming a bag from a roll stock by feeding the film over a cone shaped forming tube. This tube shapes the film into the correct bag size and seals the bottom and vertical seams. If a new bag size is needed, then the forming tube can be replaced. The partially formed bag can then be filled with its product from something like an auger or multihead weigher if the product needs to be measured. The machine can signal the auger to dispense into the bag as soon as it is formed. Then the top seal is formed, the bag is cut away and conveyed away.

    The three main differences between how the VFFS and HFFS operate are;

    • HFFS machines crease a bag away from the fill opening, eliminating the interaction of product to the bag forming process.
    • HFFS machines run large bag 30% faster than VFFS machines.
    • HFFS machines have fewer critical moving parts in the fill area, which improves time and longevity with dirty, dusty and corrosive products.

    The type of method for sealing the bags can be; heat, ultrasonic and induction. Heat sealing uses electrical resistance and this method enables easy engineering of the machine and simple maintenance. Ultrasonic sealing uses ultrasonic sound frequencies which enables a hermetically sealed bag regardless of seal area contamination. Induction sealing uses electromagnetic resistance and enables sealing and cooling in the same step.


    What can FFS machines be used for?

    HFFS machines can be used for food packaging whether it be fruit, vegetables, meats and grains to help extend their shelf life and reduce wasted product. Liquid can be packaged by HFFS machines like soups, broths and sauces into durable packages. HFFS machines can also package supplements like protein powders or shakes. VFFS machines are best for packaging dry, loose, free-flowing product into portion-controlled packs. These products can include powders, spices, sweets and sand beads.

    FFS machines can be used for a variety of bagging applications including:

    • Pillow packs

    • Bottles and vials

    • Cartons

    • Pots, trays and blisters

    • Sachets and envelopes

    • Sacks and bags

    Some of the most common products packaged by FFS machines are:

    • Crisps, sweets and confectionary, biscuits and cakes

    • Nuts and pulses

    • Sauces and condiments

    • Pet Food

    • Teabags

    • Phone Cards

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