阐述了粗纱工艺参数中定量、粗纱捻系数以及细纱后牵伸的选择。
This article relates how to select fixed-quantity and twist in the technology parameters of roving, and back draft in the technology parameters of spun yarn.
通过控制前罗拉与后罗拉的转速，由软件实现对粗纱牵伸倍数与捻度的控制。
By controlling the speed of front roller and back roller, the software controls the pulling times and twisting degree.
赛罗纺配用的后导纱器对粗纱产生的假捻会影响细纱牵伸的稳定性和成纱条干。
The false twist by the back roving guide in Siro spinning can affect the stability of yarn drafting and the evenness of the yarn.
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