·The computerized double-needle sewing machine adopts a computer controlsystem and AC servo motor direct drive, featuring functions such as automaticspeed adjustment, needle stop positioning and stitch counting.

·The drive shaft adopts a 75oW AC servo motor direct-drive structure, featuringhigh power, fast response and stable sewing performance.

·The upper and lower shaft transmission inside the machine head adopts a timing belt mechanism, ensuring precise and transmission without jamming.

·The thread trimming and presser foot lifting functions are controlled by a steppermotor, ensuring low noise during thread trimming and more stable performance.

·The reverse sewing and stitch length are controlled by a stepper motor as well,which enables diversified sewing, precise stitch length control, as well as functionsincluding front and back tacking, high repeat stitching rate, short thread ends fordense stitching, and quiet reverse sewing.