With the quality problems in processing of polyester DTY filament being considered,it is thoroughly analyzed that the factors such as POY raw filament,engineering,equipment and operation.

• 针对涤纶DTY在生产加工过程中所产生的质量问题,分别对POY原丝、生产工艺、设备、操作等四大影响因素作了全面分析。