9mm Lockstitch Sewing Machine Industrial Double Needle Sewing Machine

Heavy Duty Locks Titch Compound Feed Industrial Double Needle Sewing Machine

Product introduce

This is a double-needle lockstitch thick material sewing machine. It is an upgraded version of the 4420 model. Its maximum sewing speed can reach 2200 (s.p.m) and the maximum stitch length is 9mm.
It adopts a large vertical rotary hook to hook the thread and the connecting rod to take up the thread, which can pass thick threads and has a large thread volume, reducing frequent replacement of the bottom thread. It can feed three-phase synchronously, which is more suitable for sewing thick materials.

Product advantage

The upgraded machine adopts high-density, high-precision, and high-wear resistance parts to increase the stability of the machine, make the machine not easy to shake during operation, and ensure the stability of the feeding, while improving the wear resistance of the machine and increasing the machine Life.

Product details

1. Oil pump, the oil pump of this machine can suck the oil stored in the oil basin to various key parts of the machine head to reduce friction.

2. Inverted needle assembly, this assembly has the function of differential feeding adjustment, which is not easy to misalign when sewing double-layer materials

3. Adjust the needle pitch digital dial.

4. Left and right shuttle bed frame, frame for assembling parts such as rotary hook, thread splitting hook, thread splitting hook seat and thread splitting hook connecting rod.

5. Thread clamp, adjust the tension of the upper thread.

FAQ