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The Hot Wound Spring Coiler also called hot coiling machine for heavy duty springs such as locomotive springs or car springs or leaf springs with CNC three servo control (principal axis ,pitch,Helix angle orientation)is controlled by The Spanish FAGOR CNC system and starts,clamps and unwinding automatically. The machine researched by Wintime Machinery Co.,Ltd is available for both left and right turn compression springs like heavy duty springs for railway .Taped or round bar is fed.Max spindle id 50 rpm and max spring size is Φ 60 (W.D) *Φ 500 ( O.D) * 1200 (length) mm and can be custom-designed.All parameters like start、pitch、spindle、unwinding are adjustable and set by computer.