22 STAND SEMI-CONTINUOUS WIRE ROD MILL TECHNICAL DATA Manufacturer SMS / Demag / Danieli / Pomini Year of Manufacture 1986 - 2006 Input Bloom 160mm Square x 6.5m Long Product 5.25 – 16mm Plain & Ribbed Rod Max. Coil Weight 1800 kg Annual Output 275,000 Tons (16 Shifts/Week) Material Carbon steel for drawing spring wire, wire rope, PC wire from 0.05% to 0.85% Steel for welding wire quality SG2 and SG3 Steel for reinforced concrete with a yield of 390 – 550 N/mm2 REHEAT FURNACE DATA Manufacturer Forni & Combustione Year of Manufacture 1986 Input Bloom 160mm Square x 6.5m Long Max. Temperature 1200o C Throughput 65 tons/hour Fuel Methane Number of Zones 3 Burners 28 Furance Capacity 140 Blooms DESCALER DATA Manufacturer Inoxhip Type Water Operating Pressure 220 bar ROUGHING MILL DATA Manufacturer Danieli Year of Manufacture 1973 Design 3-High Automatic Roll Diameter 490mm Barrel Length 1200mm Drive 885 kW AC, 740 RPM, 540 Amps, 380V via Flywheel Output Dimension 155mm Round (3 Passes) HRM DATA Manufacturer Demag-SMS Year of Manufacture 1986 Design 3-Conical Roll High Reduction Mill Main Drives 2 x 875 kW DC, 750 RPM, 1317 Amps, 700V Auxiliary Drive 875 kW DC, 750 RPM, 1317 Amps, 700V Reduction 155mm to 55-60mm in 1 Pass, depending on finished product INTERMEDIATE MILL 1 DATA Manufacturer Stand 3 & 4 Pomini Stands 5-8 Danieli Model Stand 3 & 4 MB480 Stands 5-8 DL320 Year of Manufacture 1986 INTERMEDIATE MILL 1 DATA (Continued) Number of Stands 6 Design Stand 3 Horizontal Cantilever Groove Ring Stand Stand 4 Vertical Cantilever Groove Ring Stand Stand 5-8 Horizontal 2-High Stands Roll Diameter Stands 3 & 4490mm Carbide Stands 5-8350mm Barrel Length Stands 5-8 700mm Drives Stands 5-8 550 kW and Gearbox Drives 2 Stands INTERMEDIATE MILL 2 DATA Manufacturer Reynolds Year of Manufacture 1986 Number of Stands 4 Design Stand 9 & 11 Horizontal Cantilever 2 Groove Ring Stand Stand 10 & 12 Vertical Cantilever 2 Groove Ring Stand Roll Diameter Stands 3 & 4 330mm Carbide Drives 550 kW DC, 600/1200 RPM, 957 Amps, 700V Per Stand Vertical Loopers Between each Stand PRECOOLING & SHEAR GROUP DATA Temperature Reduction 850oC Shear Start/Stop FINISHING BLOCK DATA Manufacturer Morgan-SMS Year of Manufacture 1986 (Modified 1999 by SMS) Design 10 Stand Stand Arrangement Horizontal / Vertical FINISHING BLOCK DATA (Continued) Inclination 45o Drive 2 x 1650 kW DC, 600/1050 RPM, 700V, 2520 Amp Motors Rod Entry Temperature 850oC Rolling Speed 5.25 – 90 m/sec COOLING BOX DATA Built 1999 Number of Zones 3 Temperature Reduction to 600oC Cooling Capacity 450 m3/hr Pressure 16 bar Cooling Control Computer Controlled for different coil sizes and material quality LAYING HEAD DATA Manufacturer Danieli Built 1999 COOLING ZONE DATA Manufacturer Danieli Year of Manufacture 1999 Design Stelmor Length 70m Speed 0.05 – 1.5 m/sec Number of Fans 19 (for Medium to High Carbon) Capacity 1.5 million m3/hr Slow Cooling Area 60m Long Insulated (for Alloys and Soldering Wire) HOOK CONVEYOR SYSTEM DATA Coil Weight 1800 kg (currently 1300 kg operating) Temperature Reduction to 600oC Number of Hooks In operation Maximum 60 90 Cooling Time 2 hours Features • Head and tail cutting (for rolling and cooling defects • Size Control (Diameter, ovality) • Visible Control for Surface Defects • Sampling for traction and bending COMPACTION & BINDING PRESS DATA Manufacturer Sund Birsta Year of Manufacture 2005 Design 4 Arm Compaction and Binding Compaction Force 36 Tons Binding Wire Diameter 7mm Labelling Automatic Max. Coil Length 4.5m Max. Coil Weight 2500 kg INCLUDES All Electrical Controls All Hydraulic Power Packs and Controls Spare Rolls Drawings
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