The main difference between field dynamic balance and on-board dynamic balance

In the field of dynamic balance, all aspects are needed to ensure the safety of dynamic balance, equipment maintenance personnel need to serve on the site, operation personnel need to start the balanced machine, and also need to organize and coordinate personnel to ensure the safe and smooth progress of dynamic balance. The number of startup times can not be adjusted repeatedly like the on-board balance. Frequent startup and driving are generally not limited. From the perspective of economy and safety, the on-site dynamic balance is not allowed to start and stop the machine for many times. Some machines are also limited by the time interval between each start and stop, that is, the next start must be after the time specified in the last stop before the start. Field dynamic balance, therefore, not only to ensure that the balance after the residual unbalance to meet the requirements of the machine running, but also with the least amount of start-stop frequency of machine, which further increased the difficulty of field dynamic balance, such as steam turbine generator set special shaft system of large unit field dynamic balance, the cost of a car is quite large, ten yuan to hundreds of thousands of yuan, The time between each drive is relatively long, and more departments and equipment are involved.

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