Oil Tempered Spring Wire Production Line
I. Whole Work Flow:
Pay off → Pinch rolls set No. 1 → HV-Straightener → Pinch rolls set No. 2 → Cleaning unit → Induction Quenching No.1 → Induction Quenching No.2 → Induction Quenching No.3 →Heat holding → Jet-cooling for Quenching → Induction Tempering →Heat holding → Jet-cooling for Tempering → Flaw detector → Pinch rolls set No. 3 → Oiler → Shearing → Wire separating → Wire take-up
II. Main Technical Parameters:
No.ItemSpecification1Raw materialsteel grades SiCr and SiCrV classes FD, TD, VD2Diameterφ8,0 - φ16,0 mm3Working speedΦ9.0mm--20m/min;
φ14.5mm-7.5m/min4Induction quenching temp.≤1000ºC constant and adjustable (920-1000ºC)5Induction tempering temp.≤650ºC constant and adjustable (450-650ºC)6Temp. control accuracy≤ ±5ºC7Take-up coil dimensionφ1700-φ2200mm8Max. Take-up coil weight≥2000kg9Center elevation1000mm10Production methodContinuous production11Finished products1) Spring wires produced by this production line would keep uniform and straight;
2) Products keep consistence with EN10270-2:2011, tensile strength fluctuation of the same coil of spring wire would be ≤50MPa
III. Details of machine for reference:
IV. Our Workshop:
V. Clients list for reference: