4000-ton mechanical hot forging press Maker : Smeral MFD : 1991 Capacity : 4000 ton Stroke : 380 mm SPM : 50 Die height : 1000 mm Slide adjust : 20 mm Slide area : 1470 mm x 1500 mm Table area : 1520 mm x 1600 mm Side opening : 1580 mm Upper ejector : 50 mm Lower ejector : 80 mm Main motor : 250 kw 500-ton Trimming Press Maker : Smeral MFD : 1991 Capacity: 500 ton Stroke: 250 mm Speed: 38 spm Die height: 680 mm Adjustment: 10 mm Slide size: 1580 x 1100 mm Bolster size: 1580 x 1100 mm Slide opening: 520 x 600 mm Air pressure: 5 - 7 kg/cm2 Upper ejector stroke: 40 mm Lower ejector stroke: 60 mm
1600kW Induction Heater installed in a 4000-ton line Technical Specifications 1. High-Frequency Power Supply Unit Main Power Supply: 60Hz, 3-phase (6φ), 710V, 1000kVA (Uses 2 zones: 3Y 710V, 3Δ 710V) Control Power Supply: 60Hz, 3-phase (3φ), 440V, 20kVAG Grounding: N-phase (Class 1 grounding or special Class 3 grounding) High-Frequency Output: 1-phase (1φ), 800V, 1.2kHz, 800kW (per 2 zones) Main Circuit Type: Thyristor Bridge Inverter 2. Control and Operation Panels Type: Heavy-duty centralized electronic control Control Unit: PLC (Q-Type, Mitsubishi), GOT-1000 (Touch Monitor) Operating Voltage: Control voltage 3-phase (3φ) 220V, Motor voltage 3-phase (3φ) 440V 3. Utilities & Auxiliary EquipmentIndustrial Water Pressure: 3–4 kg/cm² (Coil cooling water) Compressed Air Pressure: 5–7 kg/cm² Material Supply Device: Spiral Feeder (Vibrator Moving)
460 Forging Roll (Model: FR460AF) manufactured by Manyo, Japan, installed in August 1995. 1. Forging Roll Specifications Model: FR460AF Roll Process: 4-stage (4공정) Roll Size: 458 mm Clutch Drive Type: Air Clutch Brake Drive Type: Spring Brake Material Size (Max): 75 mm Square Bar at 1200° CRoll Main Motor: 3-phase, 6-pole, 440V, 30KW, 60Hz Compressed Air Pressure: 4.5–5 kg/cm² 2. Manipulator Specifications Stroke Length (Max): 600 mm Inter-process Moving Distance: 70–130 mm Drive Type: Forging Roll Mechanical Link Motion Inter-process AC Servo Motor: 3-phase, 220V, 7KW (Mitsubishi) Compressed Air Pressure: 4.5–5 kg/cm² |