Double Needles Feed Off The Arm Sewing Machine 

Double Needles Feed Off The Arm Sewing Machine. Fell seaming, is commonly called the kind of work in workshop production line, as known as feed off the arm sewing machine, three needle chain stitch sewing machine, three needle roll and joint-seam sewing machine, arm type double thread looping sewing machine, etc. it usually refers to a sewing process of feed off the arm chain stitch. In the coat sewing application, it refers to sewing the side bone (under arm seam), and in the trousers sewing application, it refers to sewing the outer bone (side seam).   It is suitable for the feed off the arm processing of thin, and medium thick materials such as shirts, windbreaker, jeans, casual wear, and thick materials such as raincoats, filter bags and different fabrics such as shirts, nylon raincoats, car covers, tents, etc. Its special cantilever type tube shape structure is especially suitable for the overlapping sewing of sleeve, pan…