Jiangyin spring winding machine equipment supplier manufacturer

The machine is equipped by four pieces of wire coiling bars, which can 

rotate in synchrony by to-and-fro way for layers of wire-spiral coiling, to increase the length of wire spiral 

and to reduce the time of wire spiral changing during twisting to increase mesh-twisting efficiency. This

 machine, after changing the preset exchange gears, can meet the wire-spiral-coiling function for different

 diameter of wires