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Chatter Management at Cold Rolling Mills Today
(
Room
307
)
07 May 19
11:00 AM
-
11:30 AM
Tracks:
Cold Sheet Rolling
Speaker(s):
Matthias Krüger, SMS group GmbH;
Sebastian Richard, SMS group GmbH;
Michael Peretic, SMS group Inc.
In cold rolling mills, vibrations of mechanical parts and/or strip can interfere with several quality parameters. Since vibrations occur at higher speeds, rolling speed has to be limited quite often. Besides conventional vibration counter measures, the paper introduces a new promising approach. An active vibration damping system using piezoelectric elements as actuators has recently been development at SMS group. A first pilot installation in a tandem cold mill using the new active damping technology was started in 2017. The system provided increase of the chatter limit speed by more than 300 m/minute, which creates significant increase to the mill’s production.
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