The stability of Nylon 66 technical yarn properties was obtained by adjusting of spin-fling viscosity, draw ratio, take-up tension and godet temperature.The CPK index of 1.33 was achieved.

• 通过调整纺丝黏度、纺丝拉伸比、卷绕张力、拉伸辊温度等对尼龙66工业丝物理性能的稳定起到很重要的作用，尤其是使其均匀性提高，三项主要物性指标工序能力控制指数(CPK)达到1级以上。