The customer is one of the worldwide leading manufacturers of flat steel with a comprehensive range of grades, sizes and surface finishes. Challenge for Schaeffler: The plant builder had modified the 4-high cold rolling mill to increase its capacity. However, after the modification the steel producer was no longer able to produce high quality strips that matched the customers’ requirements. The finished product was always marred by chatter marks. The cause of these flaws was supposed to be an increased level of rolling stand vibration.
Publisher: Schaeffler Technologies AG & Co. KG