SPIROFLUX is a French specialist in automated systems for dosing, mixing, extraction and transfer of products.
SPIROFLUX enjoys recognised expertise in the dosing of powders and granules for the agri-food, chemicals, plastics and cosmetics industries.
For one of its customers, SPIROFLUX needed to design a system for supplying the extruder on a plastic production line. The system had to oversee the dosing and mixing of plastic granules and dye powders.
The system comprises four tanks for powder storage and a weighing hopper for dosing control. The resulting mixture supplies the extruder in batches.
In the solution provided, the SIMATIC S7 PLC is responsible for overall control of the system, and an eNod4-D dosing controller is responsible for the dosing cycles of the different products.
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To fill the weighing hopper in which the products are mixed, the S7 PLC sends the dosing parameters to the eNod4-D, which manages the dosing process. The eNod’s valve control outputs are multiplexed by the PLC to the storage of the product to be dosed.