The multihead weigher, also known as combination weigher, multi-head weighers use a number of different weigh heads to generate precise measurements of products by calculating the weight in each weigh head. Each Weigh head has its own precision load cell.
The process begins when product is fed into the top of the multihead weigher, where a dispersal system, normally a vibrating or rotating top cone, distributes the product into a series of linear feed plates. This top cone is normally equipped with a load cell which controls the feed of product to the multihead weigher. A series of curtains are normally placed around the linear feeders to ensure an even quantity of product is available for distribution to the feed hoppers.
The processor in the Multihead Weigher will then calculate the best combination of available weights required to achieve the desired target weight. This is why Multihead weighers are sometimes referred to as Combination weighers. Once the calculation is complete it will open the selected weigh hoppers and discharge the accurately weighed portion into your bagging system or product trays. The feed hopper will then automatically open and fill the empty weigh hopper. The more Weigh heads on your multi-head weighing machine, the faster it can calculate a correct combination, and the more accurately weighed portions of product can be produced in the same time period.
You can see that by adding additional weigh heads the number of combinations is greater and this can increase the speed. Many optional extras can be added to your Multihead Weigher to ensure that it works perfectly with different products.
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