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Table 7.1:The influence of the coupling mass on the eigen-frequencies of electromotor
Mass
0 kg
100 kg
200 kg
300 kg
400 kg
500 kg
600 kg
First freq.
73.3 Hz 72.8 Hz 71.8 Hz 70.3 Hz 67.7 Hz 64.1 Hz 60.3 Hz
Second freq.
90.3 Hz 89.1 Hz 85.8 Hz 79.2 Hz 71.8 Hz 65.7 Hz 60.8 Hz
Coupling mass – 0 kg
Coupling mass –600 kg
Figure 7.4: Second mode of oscillation
Gear
-box
Gear-box consists of: cover, input-shaft, middle-shaft and output-shaft. Dimension of
the cover is 2550×1660×1060 mm.
Figure 7.5:Lover part of the cover
Figure 7.6: Shafts
Figure 7.7: Model of the gear-box