Through orthogonal experiment, parameter of back zone draft multiple, roller center distance and roving twist factor are selected.
并通过正交试验对后区牵伸倍数、罗拉中心距和粗纱捻系数进行了优选。
2
The structure, capability, and feature of anti-draft welding roller bed are briefly introduced by this article.
介绍了具有防偏移功能焊接滚轮架的结构、特点、性能和具体数据。
3
In spinning the same yarn, the confused usage of top roller and apron and the correlated draft units in bad condition affect the yarn evenness very much.