Computerized Lockstitch Sewing Machine with Two Stepping Motor

PRODUCT DESCRIPTION:Small bird nest:Using the unique trimmer device to achieve small bird nest. Step motor trimming system and New digital tension, that make the thread short and stable.Special stitch pattern controled by step motor system, 1985 machine it can design 8type stitchpatterns by your idea,The unique thread trimmer device:Adopt step motor to drive, stable, light noise and convenience on maintenance.Step motor technology (patent):one step motor controls trimming and the other controls Pressing foot lifter work.Adopt trimming cam control double round knife trimmer system,thus realizes after trimmer the Thread less than 3mm, Effectively reduce manual trimming workload, cause of the thread will Cut under the needle.Low noise:A.optimized design of modle body, B.motor without bearing,C. Step motor control reverse sewing with light noise.  D.step motor control press foot lifter,E. Step motor control trimmer, light noise for trimmer.