Based on the analysis of distortion and protraction of warp and form of shedding, the problem that dobby can not fully develop its capacity is located.And some countermeasures are given hereof.

• 通过对开口时经纱变形伸长特性和开口形式的分析,指出了多臂机不能充分发挥效能的问题所在,并给出了解决办法。