 Two control panel upgrades by our technical services department have doubled production on stone saws at a Huddersfield quarry. The old system, built in 1969, was obsolete and needed constant operator input to maintain reliable production. In collaboration with the site's maintenance manager, we developed a new PLC-controlled system which once setup would run the stone-cutting machines unmanned throughout the night. Lenze Automation was chosen with WEG soft starts for the blade and pump motors. The system proved so reliable and efficient that the quarry quickly had a second saw retrofitted in the same way. The customer was delighted: "It used to take 2-3 operators, including night shifts, to keep these two machines running. Now it takes just one day operator to run them, and they're getting twice as much production out in the same time."
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