为了解决一种新型高速机械包覆工艺中芯纱张力控制精度差的问题,利用模型分析、方案优化等方式研制了一种磁阻尼被动式精密控制芯纱张力装置.介绍了该磁阻尼被动式芯纱张力控制的原理.试验与实践证明,该磁阻尼被动式芯纱张力控制装置的控制精度可达到±0.2 cN,表现出良好的稳定性和优越性.认为:该张力控制装置的控制精度完全可以满足新型包覆纱工艺的要求.%In order to solve the problem of lower control precision about core yarn tension in a new highspeed mechanical wrapped technology,the magnetic damping passive precision control core yarn tension device was developed by the way of model analysis,scheme optimization and so on.The principle of the magnetic damping passive core yarn tension control was introduced.Test and practice show that control precision of the magnetic damping passive core yarn tension control device can be ± 0.2 cN.It shows better stability and superiority.It is considered that the control precision of the tension control device can meet the requirement of new wrapped yarn technology.
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