牵伸区下压须条，增强V型效应，提高纺纱质量。 减少非控制区，加强对短纤维控制，同等质量可降低纺纱成本。 可以实现较大后牵伸倍数，实现高效牵伸工艺。 安装在摇架后区，安装简便，投资少。 可根据纺纱品种要求，调整安装位置，优化生产工艺。
...牵伸区；抗拉性能；抗断性能；耐磨性能；延展性能；抗破损性能；互持性能；粘合性能 [gap=1007]ssion set, nipping length, contact area, fibre control, anti-lapping properties, drafting zone, tensile strength, wear resistance, abrasion resistance , elongation , tear str...
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棉结杂质直接影响着成品的外观质量以及牵伸区的纤维正常运行，造成条干不匀，强力下降。
The appearance quality of finished product are affected by the heps and motes directly, and whether the draff zone of fibre running normally or not are affected by them, too.
本发明涉及一种下压式集聚纺纱装置，它属于一种环锭细纱机前区牵伸用下压式集聚纺纱设备。
The invention relates to an underslung integrated composite spinning device, belonging to an underslung integrated composite spinning device for tracting a front area of a ring spinning frame.
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