RU04转杯纺牛仔布用纱的质量控制

分析了牛仔布用纱的质量要求及ＲＵ０４ 型转杯纺纱机的性能特点，指出在无力淘汰该设备的情况下，可通过改进前纺工艺来提高成纱质量，并针对主要质量问题提出了相应的解决办法，即控制原棉短绒率和含杂率、减少棉条意外牵伸、提高挡车工接头质量、加强挡车工巡回等

The Denim yarn Quality Control on the RU04 Spinning Frame

According to the quality requirement of yarn used for denim and the property of RU04 rotor spinning frame, the author suggests to us how to get better quality of yarn through improving the fore-spinning process and without deserting the old equipment. The methods conclude how to control the short fiber content and trash content of raw cotton, how to reduce the unexpected draft of cotton sliver, how to make the operator's work more efficient,and how to reinforce the patrolling operation.