The influence of process speed, D/Y ratio, number of friction disc, heater temperature, take-up overfeed, etc on DTY residual torque are analyzed.The central method is put forward.

• 探讨和分析了加工速度、D/Y比、假捻器工作盘数、热箱温度、卷绕超喂、交叉角、定型超喂、网络压空等对DTY残余扭矩的影响以及残余扭矩的控制。