Journal of Textile Research ›› 2018, Vol. 39 ›› Issue (09): 146-152.doi: 10.13475/j.fzxb.20171104307

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Online monitoring of yarn hook stress signal and analysis of spinning tension

  

  • Received:2017-11-21 Revised:2018-06-21 Online:2018-09-15 Published:2018-09-12

Abstract:

In order to reduce the yarn breakage and improve the ring spinning production efficiency, an online detecting device for detection on spinning tension of ring spinning was developed with the force sensor and displacement sensor embedded in the guide plate. The dynamic stress at the guide wire was detected by the computer signal data acquisition and processing system. Combined with physical-mathematical equations, the dynamic variation of spinning tension was solved according to the drawing - twisting – winding mechanical models and mathematical equations. The results show that when program board is lifted and droped once, spinning tension of twisting area, the top and bottom ballooning tension and the winding tension periodically vary from small to large and then to small. Compared with the maximum tension of middle yarn, that of small yarn increases by 12.6%, and big yarn increases by 10.6%.

Key words: spinning tension, balloon tension, winding tension, signal acquisition, online inspection

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