By equipment modification, process selection and optimization, double end spinning was achieved on the present PET FDY spining line. And the economic benefit was obtained.

• 在现有涤纶全拉伸丝(FDY)纺丝设备上,通过设备改造、工艺选择和优化,成功实现了FDY双头纺生产,弥补了长丝产品结构的不足,为企业创造了经济效益。