【摘要】 本文针对涤棉和纯棉中支纱,在A272F型并条机上对工艺参数进行优选,并在纺纯棉中支纱时,用两种不同型式的压力棒进行纱疵测试的对比分析,提出初步看法,以期能更好地发挥A272F型并条机在使用中的效果。更多还原

【Abstract】 The paper puts emphasis on the mid-counts of polyester/cotton and all cotton yarns to optimizetechnological parameters of the drawing frame type A272F. Analysis and comparison are made forthe yarn faults of mid-count cotton yarns by using two kinds of pressure-bars, and a primary ideais suggested which will be expected to make this mechine give a full play in its application.更多还原