The first 600MW generator set in western Inner Mongolia was put into operation
Table 3 aggravated vibration measurement value mm / s Table 4 increased vibration measurement value mm / a. Measuring point 123456 vibration speed effective value 1.22.81.70.32.61.0 Although the vibration value is improved, but does not meet the standard requirements. Now add the balance block to the YI point and run at the rated speed. The measured vibration value is shown in Table 4. It can be seen from the data in the table that the vibration value meets the requirements, indicating that the calculation of the unbalance amount and the direction of the emphasis are correct, and other products are listed accordingly. The method is balanced and its vibration is quickly resolved.
3 Summary Motor balance balance method can be balanced at a stable low speed. Generally, the motor can be balanced after 3~4 times of starting the motor. It is suitable for balancing the motor at the manufacturing plant or the construction site, which is convenient and fast.
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