Understanding Multihead Weighers: Types, Functions, and Applications in Packaging
A multihead weigher is a high-precision industrial weighing machine widely used in modern packaging lines for products like coffee, cereals, nuts, grains, and confectionery. Designed with multiple weighing heads and advanced sensors, it delivers exceptional speed and accuracy, making it ideal for high-volume production environments. This article explores the structure, types, and uses of multihead weighers, helping businesses choose the right solution for their packaging needs.
What is a Multihead Weigher?
A multihead weigher is an advanced industrial weighing machine equipped with multiple weight sensors, or "heads," arranged to measure products in succession. This technology is commonly integrated into packaging lines for weighing and packing dry goods such as coffee, cereals, nuts, grains, candies, and other products requiring precise weight control.
These machines are designed to combine speed, accuracy, and efficiency, making them a vital component in automated packaging systems.
Structure of a Multihead Weigher
A multihead weigher consists of two primary components:
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Scale Base – Houses the load cells that measure product weight and the control panel that processes data.
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Discharge Device – Usually a vibratory hopper or funnel that guides the weighed product into one of the weighing heads before packaging.
The combination of these components allows for rapid, consistent, and highly accurate weighing, even at high production speeds.
Types of Multihead Weighers
Different types of multihead weighers are designed for specific applications and product characteristics:
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Gravity Multihead Weighers
Use gravity to measure products, ideal for loose items like fresh fruits and vegetables. -
Pneumatic Multihead Weighers
Use air pressure for weighing, often chosen for pharmaceuticals and applications requiring extreme precision. -
Electronic Multihead Weighers
Utilize electronic sensors to measure products quickly, commonly used for conveyor belt packaging lines.
Applications of Multihead Weighers
Multihead weighers are widely used in high-volume production environments where speed and accuracy are crucial.
Common uses include:
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Food production: snacks, confectionery, frozen foods, dried fruits, coffee, grains
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Pharmaceuticals: capsules, tablets, powders
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Non-food items: hardware, plastic components, small automotive parts
Their ability to weigh multiple items simultaneously while maintaining consistent accuracy makes them essential for industries seeking cost efficiency and product quality control.
Conclusion
Whether in food manufacturing, pharmaceuticals, or general packaging, a multihead weigher offers unmatched speed and accuracy. Although these machines require a higher investment, their long-term benefits in productivity and precision make them a valuable asset for high-volume operations.
About products customization
Can I customize the size of Kenwei machines?
Yes, we can tailor the dimensions of our machines to fit your available space and production layout. Whether you need compact machines or larger equipment, we can accommodate your size requirements.
How do I request a custom-built Kenwei machine?
To request a customized machine, simply contact our sales or engineering team.
About Solution suggestions
Can Kenwei provide solutions for high-volume production?
Yes, Kenwei specializes in high-speed, high-throughput machines designed for large-scale operations. Our multi-head weighers, packing machines, and check weighers.
Can Kenwei solutions be used for both manual and automated packing lines?
Yes, Kenwei machines can be used in both manual and automated packing lines. We can provide integrated systems that work alongside manual labor or fully automated systems depending on your production requirements.
Can Kenwei provide a solution for mixed-product weighing?
Yes, Kenwei’s multi-head weighers are ideal for mixed-product weighing. They can handle a variety of products in different shapes and sizes, ensuring that the correct portions are weighed and packaged quickly.
The standard no-spring combination scale features a patented spring-free hopper design, making it ideal for weighing a variety of products such as melon seeds, peanuts, nuts, almonds, grapes, candies, pistachios, potato chips, shrimp chips, and more. The double-support feeding tray is easily adjustable, while the feeding hopper is designed for easy disassembly, ensuring convenience and cleanliness. With a maximum weighing speed of up to 120 bags per minute, the 14-head standard no-spring combination scale is an economical, versatile, and cost-effective solution.
The Standard Multihead Weigher features a high-speed, spring-free hopper with a new aluminum shell design, ensuring stable and fast weighing performance. The integrative welding of the mouthpiece case and middle seat enhances the overall machine strength. Ideal for weighing granular products like melon seeds, peanuts, nuts, almonds, raisins, candies, and pistachios, this 14-head multihead weigher offers hopper options of 1.6L and 2L. With a maximum weighing speed of 120 packs per minute, it delivers rapid and accurate results for high-volume operations.
The Kenwei JW-B26 Single Multihead Weigher Mixing and Packaging System offers fully automated operation, completing feeding, weighing, filling, date printing, and product output with high accuracy and speed. Ideal for granules, slices, irregular shapes, and mixed products like candy, nuts, snacks, pet food, and even small hardware. Its versatility and precision make it a perfect solution for diverse packaging needs.
The JW-B4 Combined Multihead Weighing and Packaging Machine with Z Conveyor is a compact, fully automatic solution ideal for packing snacks, nuts, candies, pet food, frozen products, hardware, and more. It integrates feeding, weighing, filling, sealing, and labeling with high precision and speed. Suitable for a wide range of materials, it’s perfect for space-limited production lines.
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