Journal of Textile Research ›› 2018, Vol. 39 ›› Issue (12): 124-130.doi: 10.13475/j.fzxb.20180201107

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Transient simulation of magnetic latching needle selector based on Ansys

    

  • Received:2018-02-05 Revised:2018-08-02 Online:2018-12-15 Published:2018-12-17

Abstract:

In order to optimize the performance of the magnetic latching needle selector and get the optional driving parameters of the needle selection, Ansys was used as a tool of numerical analysis, and the simulation model of the magnetic latching needle selector was established. The simulation and the experiment results of the oscillating motion law and the torque variation low of the bit of the needle selector under the driving of pulse voltage were compared, and the rationality of the simulation model was verified by the experiment. On this basis, the influence of the key parameters of a semi-hard magnetic core on the performance of the needle selector was investigated. The results show that the increase of remanence and coercivity will increase the speed of the needle selection, but the increase of coercivity will reduce the starting speed of the needle selection. On the other hand, a test platform for the performance testing of the needle selector was set up, the performance of the needle selection factors driving voltage and pulse width were analyzed by comprehensive experimental method, and the drive key point was obtained when the voltage was 24 V and the pulse width was 300 μs, which provides a reference for the actual driving parameters.

Key words: electronic needle selecting device, magnetic latching, electro-magnetic needle selector, semi-hard magnetic material, Ansys

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