Stitch Forming Mechanism in Sewing Machine

Stitch Forming Mechanisms: Stitch formation is a basic and the most important task for sewing machine. The first step in producing a stitch on a sewing machine is the formation of the needle thread loop. Proper formation of this loop depends on the tendency of the thread to bulge away from the needle as it is drawn upward after reaching the lowest point of it's stroke – due to inertia and