WTH-Z Pig -Tail Spring End Former also called Spring End Forming Machine for spring forming such as car suspension springs researched by Wintime Machinery is composed of PLC controller,servo motor,pneumatic actuator,steering actuator and starts automatically.The Pig-Tail end spring can be hot coiled and formed by PLC controller automatically.Max WD:φ20mm.Max OD:φ20mm Max spring length:700mm.Turns:2.5 Ring.The Equipment is highly automatic and is with strong power.It is a considerable equipment for hot and cold coiling car suspension springs.