The precision of the dynamic balance can attain by means of decreasing the couple unbalance through moving the balance blocks many a time.
通过多次移动平衡块减小偶不平衡，直至达到动平衡精度要求为止。A case of field balancing of a centrifugal fan is presented to show the method to determine the trial counterweight for balancing.
介绍某电厂的增压风机转子现场动平衡过程中试重大小及配重方案的选取方法。Various work-pieces can be balanced by the new machines, which can accelerate vertical dynamic balancing machines to be used widely.
可以遇见，新型立式动平衡机将得到广泛的应用，这对我国立式动平衡机的应用具有重要意义。An experiment of dynamic balancing on an horizontal spiral sedimentation centrifuge obtains a good result by adopting the method proposed.
最后，采用该条件对一台卧螺离心机进行动平衡，取得了非常好的效果。The motion equation of a multiple-degree rotor system is formulated by using Lagrange equation and flexibility influence coefficients.
由于线性假设不成立，直接使用影响系数法进行转子动平衡将十分困难。supercritical pressure turbine-generator unit; vibration; dynamic balance; impeded expansion of cylinder; structure resonance.
超临界机组；振动；动平衡；动静碰磨；汽缸膨胀不畅；结构共振。It fully meets the requirement of real-time dual channels synchronous measurement in two-plane dynamic balancing.
系统结构简单，实时性强，满足现场双面动平衡对双通道同步测量的要求。Through the test, summarized the dynamic balance test method on the vertical unit, offered a reference for other substation similar units.
通过试验，总结出对立式机组的动平衡试验方法，可为其他电站类似机组提供参考。The linear relationship between the corrected value and measured value is used to balance the rotor in the influence coefficient method.
影响系数法是利用线性系统中校正量和被测量之间的线性关系进行转子动平衡。