A new study on dynamic adjustment of vibration direction angle for dual-motor-driven vibrating screen

Bing Chen, Jiwei Yan, Zhongjun Yin, Kumar K. Tamma

Research output: Contribution to journalArticlepeer-review

Abstract

For a dual-motor-driven elliptical vibrating screen, the driving frequencies of the two motors are studied in this paper and it exposes the significant influences of different driving frequencies on the vibration direction angle of the self-synchronous system. A dynamic model is established to demonstrate the new concepts and innovative ideas put forth in this paper. Simulink and prototype experiments are implemented to further study the influences of different driving frequencies on the phase angle and the vibration direction angle. The results of simulation and experiments shows that vibrating screen driven by the two motors can not only achieve a stable synchronization within a certain frequency range by changing the driving frequency of either of the two motors, but also the vibration direction angle significantly changes at similar but different driving frequencies. This is an important finding that has important significance for the future operations of dual-motor-driven vibrating screen in industry. The method developed in this study would be a valuable engineering tool which can be used in design and application of the screens and the screening operations.

Keywords

  • phase difference
  • prototype experiments
  • Self-synchronous system
  • Simulink
  • vibration direction angle

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