Practical evaluation of further developments in balancing technology
Algorithms for rigid and elastic balancing can, of course, be numerically verified using suitable synthetic data sets. If the balancing algorithms are applied to “rotationally critical” rotors, a practical verification of the programs should be considered.
Therefore, measurement runs were conducted for different rotors on a “soft” balancing machine. In this case, “soft” means that the machine’s bearings are switchable, so that at operating speeds, the imbalance causes sufficient bearing movements (first order) that can be detected with conventional vibration sensors.
The speed was recorded (peak per revolution) using a commercially available optical speed sensor.
