PC steel bar production line
PC steel bar has the features of high
strength tenacity, low relaxation and good weldability, and widely used for
tubular pile, viaduct pier, railway sleeper, etc.
Material size:φ8~φ14mm
Steel material:30MnSi
Product diameter:φ7.1~φ12.6mm, Standard: JIS G 3137
Speed:
φ7.1mm, rated operation speed 110m/min(2.07t/h)
φ9.0mm, rated operation speed 100m/min(3.01 t/h)
φ10.7mm, rated operation speed 75m/min(3.18t/h)
φ12.6mm, rated operation speed ≥50m/min(2.94t/h)
Heating temperature:
Max. Quenching temperature:950°C
Max.Tempering temperature:450°C
Equipment composition and Process flow:
On-line equipment:
Pay-off stand→Wire pack up device→Mechanical descaling→Bright die and Notching
die→Drawing→Straightening→1#Traction machine→Pre-heating power
supply(600kW/8kHz IGBT Intermediate frequency induction heating power
supply)→Temperature raising power supply(200kW/30kHz IGBT Superaudio induction
heating power supply)→ Temperature raising power supply(200kW/50kHz IGBT
Superaudio induction heating power supply)+Quenching/Holding→Quenching water
tank →Temper power supply(300kW/8kHz IGBT Intermediate frequency induction
heating power supply)+Temper and holding pipe→Temper water tank→2#Traction
machine→Wire leading tank→Hydraulic shearing/reverse machine→Take up coil
1→Take up coil 2
Auxiliary equipments:
Cooling tower/Air compressor/Heat exchanger/Water pump/Control cabinet/Technics
testing machine/Butt welding machine/Pointing machine/Packing machine/Electronic
scale/Crane/Testing machine, etc.