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使用计算机,从数据的采集、处理到控制动平衡执行机构,实现了精密离心机现场高精度调平衡的自动化。精密离心机动平衡系统由两个测试面(每个测试面上放置两个电容测微仪)、测角元件及两个校正面(每个校正面上放置四个平衡块及相应的步进电动机)构成。电容测微仪测得上下测试面处的振动矢量,上下测试面振动矢量之和的相位是静不平衡的相位。通过多次移动平衡块减小静不平衡,测得每次移动平衡块后上下测试面的振动矢量,直至上下测试面振动矢量的大小相等且方向相反为止,这时的静不平衡为零,只有偶不平衡作用在转子上。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。
The use of computers, from the data collection and processing to control the dynamic balance of implementing agencies to achieve precision centrifuge high-precision balance of automation. The Precision Centrifugal Balancing System consists of two test surfaces (two capacitive micrometers placed on each test surface), a goniometer element and two calibration surfaces (four counterweights on each calibration surface with corresponding steps Motor). The capacitance micrometer measures the vibration vector at the upper and lower test surfaces, and the phase of the sum of the vibration vectors at the upper and lower test surfaces is the phase of static unbalance. By reducing the static unbalance by moving the weight block several times, the vibration vector of the upper and lower test surfaces after each movement of the weight block is measured until the magnitude of the vibration vectors in the upper and lower test surfaces are equal and in opposite directions, and the static unbalance is zero. Only occasional unbalance effect on the rotor. Reduce even imbalance by moving the balance block several times until it reaches the requirements of dynamic balance accuracy.