A mathematical model of twisting torsion of the slub yarn has been developed through the pole torsion model based on the distribution of the torsional stress on the ring-spun slub yam during twisting.

• 摘要根据环锭纺竹节纱在加捻过程中的扭应力分布状况，采用杆件扭转模型，建立了竹节纱加捻扭转的数学模型。