yarn irregularity

The influence factors on twist irregularity of folded yarn were analyzed to reduce the twist irregularity.

为降低股线捻度不匀,对影响股线捻度不匀的因素进行了分析.

The index of yarn filament irregularity is one of main indices to measure yarn quality.

纱线粗细不匀指标是衡量纱线品质的主要指标之一.

Using the spectrograph, the authors derive the sample vector of yarn and make use of the Fisher linear discriminative method to obtain linear discriminative functions for assessing the yarn irregularity.

作者由波谱图建立细纱样本观察值向量，运用Fisher线性判别分析法，得到评定细纱不匀的判别函数。

The input speed evenness of folded yarn is guaranteed, and the twist irregularity of folded yarn is reduced by using knotless spindle tape and strengthening the checking and repairing of twist& winding apparatus.

通过加强加捻卷绕部位的检修、使用无接头锭带，保证了股线的输入速度均匀，降低了股线的捻度不匀率。

The results showed that the relative molecular weight and its distribution of polypropylene, isotacticity, spinning temperature, quenching speed, draw ratio, drawing godet temperature and oiling amount had evident effect on yarn irregularity.

结果表明，聚丙烯的相对分子质量及其分布、等规度和纺丝温度、冷却吹风速度、拉伸比率、上热盘温度以及上油量等对纤维不匀率产生明显的影响。