Strip Guiding System in a continuous furnace
As a result of the long free strip tracks and the various effects of the thermal process, corresponding strip guiding systems are required at suitable locations in a continuous furnace. Appropriate guide frames are arranged below the pedestal bearings of the deflector roll(s) on both the driving side and operating side.
Modern practice is that for strip running correction, the two halves of the guide frames are moved by two EMG Electric servo cylinder type ESZ in an electronic synchronous run control system.
Curved paths or suitably designed lever systems provide a virtual fulcrum in the centre of the plane of the incoming strip. In the case of longer inlet and outlet sections, additional correction of the incoming strip is possible by enlarging the angle between the swivel plane and the strip inlet plane (> 90°).
To determine the strip position with temperatures of up to 1100 °C at the measuring point, we recommend using the EMG-Vivaldi® radar-based strip centre measuring system, which enables the strip centre position to be determined without requiring any active or interfering sensor elements in the furnace itself.
Alternatively, the inductive strip centre measuring system type IMH2 can also be used.
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