Adjustment method: the needle bar is lowered to the lowest point, the shuttle tip is 3.5-4mm away from the needle, when the needle bar rises 2.2mm, the shuttle tip to the center of the needle is 1.2-1.5mm away from the needle hole.
An industrial sewing machine is a sewing machine suitable for sewing workpieces for mass production in sewing factories or other industrial sectors. Clothing, shoes, hats, and other factories that need sewing machines use industrial sewing machines. Taizhou is the main production base of domestic sewing machines. According to statistics, China's annual output of sewing machines accounts for three-fifths of the world's total output of sewing machines, while Taizhou's sewing machine output accounts for one-third of China's, that is, every 5 sewing machines produced in the world , There is one made in Taizhou.
When the sewing machine is sewing, it is a mechanism for delivering sewing material. It is classified as: forward feeding mechanism; backward feeding mechanism; lateral feeding mechanism; lower feeding mechanism; upper feeding mechanism; needle feeding mechanism; upper and lower compound feeding mechanism; upper and needle compound feeding mechanism; needle and lower compound feeding mechanism ; Upper, needle and lower comprehensive feeding mechanism; differential feeding mechanism; roller feeding mechanism.
When the sewing machine is sewing, after the sewing thread is guided by the needle belt through the thread loop formed by the sewing material, a mechanism that hooks the thread loop to form a stitch. The main categories are: rotary hook thread hook mechanism; rotary hook thread hook mechanism; swing hook thread hook mechanism; swing hook thread hook mechanism; looper hook thread hook mechanism; hook thread hook mechanism, fork needle thread hook mechanism.
