Through testing textured yarn of different feeding speed by using EIB, the amount of hairiness/loops, distribution of hairiness/loops and yarn profile can be acquired.

• 利用EIB分别对超喂率不同的空变纱进行测试,可以获得纱线的丝圈/丝弧数据、个数的分布情况和形态图,得出超喂率对变形纱外观形态影响的规律。