The curve form of an untwisted yarn end has been analyzed, and a cosine curve form has been proposed.And also, the yarn motion in the splicing nozzle and the splicing principle has been studied.

• 研究自动络筒机空气捻接器的捻接原理.；对退捻后纱线尾端的曲线函数进行研究；指出了一种合理的纱线尾端的曲线函数；并利用流体力学原理；具体描述了纱线在捻接孔内的运动；揭示了纱线捻接原理