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22 STAND SEMI-CONTINUOUS WIRE ROD MILL

22 STAND SEMI-CONTINUOUS WIRE ROD MILL

Description:

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