Ensure hem stich is neat and straight and stitchtension not tight.
确保脚车线整齐和直及线步不要紧。
2
Sewing thread tension and stitch density are selected by the result of orthogonal experiments as two variable parameters to study the effect of sewing parameter on seam pucker.
实验结果显示,缝纫线张力、针迹密度是对缝口缩皱影响较大的缝纫参数。
3
To enhance product quality, measures of changing selvage stitch, adjusting shed closing time and tension bar were done, and the first grade rate in storage can reach to 98.8%.