MEER 设备轴旋转研究设备

7.1.4.- 振动和振荡 14.1.4.- 振动和振荡
WHIRLING OF SHAFTS UNIT - MEER

創新系統

The Whirling of Shafts Unit, "MEER", has been designed by EDIBON to demonstrate and determine different modes of oscillation and resonance of shafts with continuous distribution of mass under different conditions.

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ICAI

交互式计算机辅助教学软件
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模块化采集与控制系统

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一般說明

The Whirling of Shafts Unit, "MEER", has been designed by EDIBON to demonstrate and determine different modes of oscillation and resonance of shafts with continuous distribution of mass under different conditions.

The operation of the Whirling of Shafts Unit, "MEER", starts when the potentiometer of the console is activated.

This potentiometer delivers electric power to the motor, which starts to rotate at a specific frequency. As the power delivered increases, the motor will rotate quicker. This speed is obtained from the reading of the velocity sensor.

The rotation of the motor is transferred by an elastic coupling to a fixed support with a mandrel. The rotation is transferred from that support to the fixed shaft.

Several supports are located along the shafts under study to establish different configurations with fixed or articulated supports. These restrictions imposed on the shafts will determine the way in which they oscillate.

練習和指導練習

手册中包含的指导实践练习

  1. Visualization of different modes of oscillation in a shaft.
  2. Influence of the rotating speed of the shaft. Critical speed and operation speed.
  3. Speed of the modes of vibration of a rotor shaft in function of different distances between supports.
  4. Speed of the modes of vibration of a rotor shaft in function of different diameters of the shaft.
  5. Speed of the modes of vibration of a rotor shaft in function of different conditions in the ends.
  6. Study of a Laval rotor: critical speed and auto-centering.
  7. Critical speed of the shaft with concentrated load in function of the position of the mass.

与该单位进行更多实际操作

  1. Demonstration of basic whirling.

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