In modern packaging lines, accuracy, speed, and consistency are critical. One of the most effective combinations for achieving these goals is a multi-head weigher paired with a Vertical Form Fill Seal (VFFS) machine. This integration is widely used in food, pharmaceutical, and chemical industries to package powders, granules, snacks, and more.
What Is a Multi-Head Weigher?
A multi-head weigher is an automated weighing device that measures product quantities quickly and precisely. Unlike single-head or volumetric fillers, a multi-head weigher uses multiple weighing heads to calculate the optimal combination of product portions, ensuring accurate weight with minimal giveaway.
Key Advantages:
- High-speed operation
- Accurate portion control
- Reduced product waste
- Suitable for a wide variety of products (powders, granules, snacks, candies, nuts)
How a Multi-Head Weigher Works
The working principle involves several steps:
- Feeding: Product enters the machine from a hopper and moves onto distribution trays.
- Weighing: Multiple heads (typically 10–14 or more) weigh small portions individually.
- Combination Calculation: The machine’s computer calculates the combination of weights that matches the target package weight most accurately.
- Discharge: The selected portion is discharged into the VFFS machine’s forming tube.
- Packaging: The VFFS machine forms the bag, fills it with the product, seals it, and cuts it into individual packages.
This process repeats continuously, enabling high-speed, precise, and consistent packaging.
Why Pair a Multi-Head Weigher with a VFFS Machine?
The combination of a multi-head weigher and VFFS machine provides several benefits:
- Precision: Multi-head weighing reduces weight variation, ensuring each package meets regulatory and customer requirements.
- Speed: The integrated system can fill hundreds of bags per minute, ideal for high-volume production.
- Flexibility: Works with powders, granules, and small snack items.
- Reduced Waste: Optimized weighing calculations minimize product giveaway.
- Automation: Reduces labor costs while improving efficiency.
Typical Applications
This setup is widely used in packaging lines for:
- Snack foods: chips, nuts, candies
- Grains and rice
- Coffee beans
- Sugar, salt, and spices
- Pharmaceutical powders
- Frozen foods
Final Thoughts
Integrating a multi-head weigher with a VFFS machine is one of the most effective solutions for businesses looking to improve speed, accuracy, and packaging quality. Whether you handle powders, granules, or small food items, this combination can streamline your production line and reduce costs.
If you want to explore customized solutions, contact DBAO Packaging Machinery at steven@dbaopack.com for professional advice and support.
