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1·Excessive top roller pressure.

上罗拉压力过大。

2·Improper top roller Settings.

上罗拉设置不合理。

3·Improperly clothed top roller cleaners.

上罗拉清洁器包的绒布不当。

4·Variation in top roller pressure in ring frames.

细纱 纺纱机上罗拉压力差异大。

5·Incorrect setting of top roller cleaners, or worn cleaners.

上罗拉清洁器隔距不正确或破损。

6·Top roller covers are only one small link in the complex chain of yarn manufacture.

上罗拉皮圈是复杂的纱线生产流程中一个很小的环节。

7·To improve spinning property and manufacturing quality of Aluminium-inserted top roller, its production technology was analysed.

为了提高铝衬套胶辊的制作质量和纺纱性能，对其生产制造技术进行了分析。

8·Performance characteristic and production maintenance method of TRV-2060 non-treatment top roller of internal aluminum material is introduced.

介绍了TRV 2 0 6 0型铝衬套不处理胶辊的性能特点与制作保养方法。

9·Aclinic adjustment method is used instead of the conventional way, the arc trace is gained through rotation of the shell of the top roller bearing.

改进时摒弃了利用标准上罗拉轴承外壳旋转来获取圆弧划痕以供调整的方法，采用了平面直线调整法。

10·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.

在纺制同批纱时，胶辊胶圈混乱使用以及相关牵伸部件状态不良对成纱质量不匀影响较大。