Research on variable tension control method based on tension compensation

doi:10.19936/j.cnki.2096-8000.20220728.032

Abstract

Abstract: Aiming at the problem of the friction resistance and the change in suspension length caused by the fiber tension change at the doffing point when the yarn is wound from the yarn outlet mechanism to the main shaft in the process of fiber winding of rotary components, a variable tension control method based on tension compensation is proposed. The tension relationship of yarn before and after passing through the guide roller at any wrap angle is analyzed. The trajectory of the yarn outlet guide head is planned by the geodesic winding theory, and the trajectory equation of the yarn outlet guide head is obtained. The mathematical model of mandrel winding is established, and the influence of suspension length on tension change during mandrel winding is analyzed. The relationship between tension at different doffing points and tension needed to be provided by the doffing end is obtained, and the tension fluctuation caused by suspension length change is compensated, so that the tension value at doffing point is constant. The fiber winding test of rotary components with tension compensation is carried out. The winding experiment results show that after adding tension compensation, the winding tension is more stable. It is verified that the proposed variable tension control method based on tension compensation can effectively suppress the fluctuation of tension in the winding process.

Key words: tension control, variable tension, tension compensation, fiber winding, suspended yarn length, composites

CLC Number:

TB332

XU Jiazhong, NI Mengjian, LI Xin, LI Bin, YANG Hai. Research on variable tension control method based on tension compensation[J]. COMPOSITES SCIENCE AND ENGINEERING, 2023, 0(4): 27-33.

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