What Is The Principle of Multi Head Weigher?

In various industries, especially in food processing and packaging, efficient and accurate weighing of products is crucial. Multihead weighers have become an indispensable tool in these sectors, revolutionizing the weighing and packaging processes. Do you know what is the principle of multi head weigher?

 multihead weigher

What is a Multihead Weigher?

A multihead weigher, also known as a combination weigher, is a sophisticated weighing system designed to accurately measure and dispense products in a high-speed production environment. It consists of a number of weighing units, typically ranging from 10 to 24, arranged in a circular configuration above a collection funnel or hopper.


Principle of Multi Head Weigher

The principle of a multihead weigher involves a combination of advanced electronics, mechanical components, and computer algorithms. The key idea is to distribute the weight of the product evenly across multiple weighing units, ensuring precise measurements and high-speed operation.


Product Feeding: The product to be weighed is fed into the multihead weigher system, typically through a vibrating conveyor or an elevator belt. The feed system ensures a steady and controlled flow of the product.


Dispersion and Distribution: Once inside the weigher, the product is evenly distributed across multiple weigh hoppers. The dispersion process can involve various mechanisms like chutes, vibrating pans, or rotating buckets. This step ensures an equal amount of product reaches each weighing unit.


Weight Sensing: Each weighing unit contains a load cell, a highly sensitive device that measures the weight of the product present in the hopper. The load cell converts the mechanical force into an electrical signal, which is sent to the control system.


Calculations and Decision Making: The control system of the multihead weigher processes the weight signals received from each weighing unit. Advanced algorithms analyze the data to determine the optimal combination of hoppers that would achieve the desired target weight with the highest accuracy.


Discharge: Once the decision is made, the multihead weigher rapidly opens the selected hoppers to release the product. The released portions of the product are collected and directed to the appropriate packaging or processing equipment.


Advantages of Multihead Weighers

Speed and Efficiency: Multihead weighers are renowned for their high-speed operation, allowing for efficient production lines. They can weigh and dispense products at rates exceeding 100 weighments per minute, significantly improving productivity.


Accuracy and Consistency: The distributed weighing mechanism ensures precise and consistent measurements, resulting in accurate portions of product in each package. This helps in maintaining product quality and meeting customer expectations.


Versatility: Multihead weighers are versatile and can handle a wide range of products, including dry goods, snacks, grains, frozen foods, and more. They can accommodate various product shapes, sizes, and densities, making them adaptable to different packaging requirements.


User-Friendly Interface: Modern multihead weighers come equipped with intuitive user interfaces, allowing operators to easily set up and adjust parameters. These interfaces often include features such as product presets, statistical data, and diagnostic tools for enhanced control and monitoring.