Direct Roll Gap Control

Gap sensor

The heart of the system are two gap sensors which measure the gap width on the drive side and operator's side directly at the shaft of the work rolls, thus eliminating the attenuation of the measuring and adjustment signals caused by stand stretching, roll bearing clearance, etc. The thickness control system thus operates extremely quickly and directly.

Direct roll gap control effectively prevents wedge-shaped strip spreading to the side during rolling. In tandem mills it suppresses the lateral displacement of the strip caused by the high forces prevailing in the stand. The system is particularly effective during the rolling of thick strips: Strip leading and trailing ends are rolled out with high precision when using gap sensors.

​​​​​​​Plate rolling mills achieve significantly improved results with direct gap measurement. Whether for strips or plates: The initial pass with gap sensors offers a significantly higher process reliability.
Direct roll gap controlDirect roll gap control
Direct roll gap control
Direct gap control, predominantly for rolling of wedge-shaped strip and in tandem mills.
Two gap sensors in useTwo gap sensors in use
Two gap sensors in use
Two gap sensors in use

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