怎样控制并条工序质量?

怎样控制并条工序质量?

并条工序是维持纤维质量相同、优化纤维结构、提高棉条中纤维“三度”的关键工序,要想更好地实施质量和成本控制,必须熟悉并掌握并条工序的质量控制要点。

那么该如何控制并条工序质量呢?

(1)喂入并条机中的生条根数和成份需要正确,尽量避免多一根或少一根的情况,当发现条子粗细不同时,需要取出取净,以防止成纱重量不匀,质量不佳。

(2)设定正确参数,确定好并合根数,以及如何进行牵伸分配,将带有弯钩的纤维伸直,以使纤维的伸直度、平行度、分离度达到标准。

(3)在实际生产过程中,表面出现缠花衣、皮辊损伤现象的罗拉和皮辊不能使用,否则会产生许多粗节纱疵,增加断头。

(4)棉条的产量和质量和出条速度有关,工艺一旦确定,车间私自改动会出现严重后果;满桶定长要根据原料和定量合理确定,不要纺的过满,以免条子之间互相粘连,摩擦发毛。

(5)并条机上各道皮辊直径与并条机的机型有关,要防止重大错支质量事故、条干不良事故的发生,需要用不同颜色区分皮辊,避免皮辊用错。

(6)喇叭口作为棉条的重要通道,对棉条的成型质量有着至关重要的作用,同台车、同品种的规格必须一致,以免对棉条质量造成影响。同时喇叭口眼要避免造成损伤,否则会使棉条出现许多毛条子,乱纤维。

(7)摆放机后棉条桶也要注意,需要按照定位要求摆放,避免对棉条质量造成影响。

(8)如果压力棒反装或棉条在压力棒上面(下压型),可能会使条子出现严重疵点,棉条条干也会严重恶化,需要避免这种情况的发生。

(9)想要降低人为疵点,必须建立整桶集体换段的无接头操作方法。

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