IT sping wire production line

Production process flow:

Wire drawing part: de-coiling-feeding & straightening--shot blasting---vertical type drawing---taking up

Annealing part: decoiling---feeding & straightening (2 traction wheels at upside and downside separately)-- No. 1 feed roller (3 traaction wheels at upside and downside sperately)--induction quenching---water cooling---induction tempering--water cooling---No.2 feed roller (3 traction wheels at upside and downside sperately)---hydraulic shear reversing--coiling (clockwise)
Main technical specifications

Wire diameter range: 3-15mm

Max. tensile strength:1270 Mpa (the highest hardness HRC40)

Coils weigth: 800~2500kg
Heating Speed:

Heating temperature 1050-1080 °c (temperature tolerance within +/-10 °c)

Hardness after quenching HRC56-58 or HRC62-64 (depends on the steel grade)

Annealing temperature: 300-500 °c (tolerance within +/-10 °c)

production line length: within 46m.