All - Digital Automatic Steel Bar Making Machine With Continuous Work

All - Digital Automatic Steel Bar Making Machine With Continuous Work

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.

Production line scope and Product plan:

• Production line name:PC Bar production line
• Operation mode:All-digital automatic control, Notching on-line, Continuous work
• Production line quantity:2 lines
• Feeding direction:1 left direction plus 1 right direction
• Production capacity:17900T/year·line(base on the 6960 hours each year)
• Product:Material size:φ8~φ14mm

Steel material:30MnSi

Product diameter:φ7.1~φ12.6mm, Standard: JIS G 3137

• Running speed:

For makingφ7.1mm,Rated speed: 100m/min; Max. speed: 110 m/min;

For makingφ9.0mm,Rated speed: 90m/min; Max. speed: 100m/min;

For makingφ10.7mm,Rated speed: 65m/min; Max. speed: 80m/min;

For makingφ12.6mm,Rated speed: ≥40m/min;Max. speed: 50m/min;

• Heating temperature:

Max.Quenching temperature:950°C

Max.Tempering temperature:450°C

• Electricity consumption/T: at the highest quench/temper temperature, diameter isφ9.0mm, the consumption is <390KW/h per ton.
• Production line center level:1000mm