Electronic pressure compensation in the feeder
Coperion K-Tron developed an electronic pressure compensation (EPC) system for high-accuracy loss-in-weight feeders. The main advantages of the system include improved accuracy and reliability as well as lower initial cost and easier installation compared to traditional mechanical pressure compensation systems. Retrofitting options for existing feeders are available. EPC can be installed on a majority of Coperion K-Tron gravimetric feeders in almost any application and all industries. The modular design incorporates pressure sensors and electronics tailored to interact smoothly with the KCM feeder control system. Depending on set-up and requirements, sensors can be positioned on the feeder hopper and, if required, on the material discharge tube. The software implements a self-optimising compensation algorithm for best performance and dynamics. A separate field evaluation kit allows for the assessment of potential pressure issues in existing installations.
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