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Our cxbalancer is imported directly from Sweden. We use this device when providing services to our customers; it is very convenient and fast to use, allowing us to quickly identify the source of the imbalance issue. Then, by adding or removing weight blocks, we can resolve the imbalance problem. Here’s how to use cxbalancer to determine whether the rotor is unbalanced; let’s go over it in detail. ① Check the power-frequency vibration trend chart to see if the vibration levels return to those observed during normal operation. If the rotor suffers mechanical damage, becomes detached, or gets fouled, its original dynamic balance is disrupted, the centrifugal force increases, and it is impossible for the vibration levels to return to their original values. On the other hand, vibrations caused by the instability of the bearing oil film can have their levels return to normal once the bearing alloy has not suffered wear, as the instability disappears. ② Check the half-frequency or low-frequency trend chart to see if the half-frequency and low-frequency components are active. Rotor imbalance, which leads to an increase in centrifugal force, increases the load on the bearings and can exacerbate oil film instability, but it does not cause an increase in low-frequency vibrations. On the other hand, bearing faults such as oil film instability and insufficient back pressure between the bearing surfaces result in significant activity at semi-frequencies and low frequencies. ③ Check the power frequency phase trend chart to see whether the phase changes simultaneously as the power frequency amplitude changes. This is the most crucial point. Whether it is mechanical shedding or scaling, the phase of the unbalance that alters the rotor’s balance cannot exactly coincide with the phase of the original residual unbalance; the power-frequency phase must change after an unbalance fault occurs. Bearing eccentricity faults, rigid coupling misalignment faults, and support stiffness faults, all of which have a characteristic frequency equal to the power frequency, share the common feature that the phase at the power frequency is always in a fixed direction, namely the direction of the stiffness difference. For the issue of rotor imbalance, our cxbalancer can solve it. For more information on rotor imbalance problems, please contact us at Kunshan Lita Testing Instruments Co., Ltd.