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S-Engineering has completed the modernization of the cardboard-making coating machine at the Kiev Cardboard and Paper Mill, Obukhiv. The purpose of the modernization was to replace the steamer on with infrared gas drier. For this purpose, modernization the adjustable and unregulated drives of the coating machine were done, which included: replacing the DC converters in the existing electrical cabinets of the controlled drive with modern SINAMICS DCS converters and installing new frequency converters for controlling asynchronous motors; installation of new power shields and shields of the top-level control system, Turbo Combi Coater rollout, drying with the use of infrared burners, paste preparation station, installation of new control cabinets for the unregulated drive of the coating machine (Flexibar, Airknife, calender), laying and connection of new cable lines, software development for a controlled drive.

During the start-up and adjustment works to ensure the safety of the machine and technological personnel, control schemes were further upgraded to enter interlocks and exchange data between the control systems of an adjustable and non-adjustable drive.

Experts of S-Engineering performed measurements and tests of newly commissioned equipment.

Modernization will improve the quality of coating the cardboard and machine performance, as well as reach a new level of coating (double coating on one side).