The factors that have effect on the product quality of double cakes polyester FDY such as stringing up, exchange success rate, forming, stumbling yarn, linear density evenness, network point control, equipments maintenance and check up were analysed.

• 摘要对FDY双饼丝生产中的影响产品品质的一些因素如生头、切换成功率，成形，线密度的均匀性，网络点的控制，设备保养及检查等进行分析。