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Equipment |
Specifications |
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Raw Material & Heating Furnace |
Thickness: 150mm\180mm\220mm\260mm\320mm
Width: 1800mm～2800mm(200mm)
Length: 2500mm～4500mm
Weight: max.30t
Standard slab: 220mm×2400mm×3600mm
Max. slab: 320mm×2800mm×4300mm
320mm×2600mm×4500mm |
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Rough Dephosphorization |
Work stress 25MPa/30MPa
High-pressure water dephosphorization tank with 2 set of headers
Height-adjusted upper header depending on the thickness of the slab |
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Four-high Mill |
Working Roll: Φ1,210/1,110×5,300mm(CVC+)
Back-up Roll: Φ2,300/2,100×4,950mm
Working Roll: Four-rowtaperTransversebearings & Two-rowaxialbearings
Speed of Working Roll: Maxdiameterofrollers0±2.85/6.3m/s
Openmouthofworkingroll: 550mm,relativetorollingline(+830);
615mm,relativetoupperelevationofrollerway (+800)
Normalpermittedrollforce(Max.): 120000kN
Rigidityofroller: ≥9,500kN/mm |
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multi-slab rolling |
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water system |
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roller |
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CVC & bending roll |
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Refine descaling & pre-straightening |
type: the lower header fixed, the upper header goes up and down with pinch roll
thickness: 20 mm～250mm
Water pressure of descale: 220 bar
Speed of descale: max.2.5 m/s |
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Quick cooling |
Length of device: 22000mm
Thickness of cooled plates: (8)10mm~100mm
Thickness of passed-through plates: max 400mm
Width of cooled plates: 1800mm~4850mm
Quantity of nozzles: 24 sets (4 sets of gap nozzles + 20 sets of high dense quick nozzles)
Technical features of gas nozzles: side shelter,water-saving control, water crown degree control
Technical features of high dense quick nozzles: side shelter, water crown degree control |
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Surface detection |
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thermal printing |
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Grinder roll workshop |
Max. distance between rollshaft and grinding wheel spindle: 1700mm
Route of grinding wheel: 940mm
Available diameter: 1066mm
Max.coping diameter of new grinding wheel: 1066mm
Min.coping diameter of new grinding wheel: 454mm
Min grinding size of Wearging(abandon) grinding wheel with D660mm: 850mm
Max. center distrance: 12200mm
Max. diameter of available convexity: +10mm
Max. diameter of available concavity: -10mm |
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flattener |
Types: quadruple 9-roll full hydraulic warm straightener
Size of Plates:Thickness:8mm~60(100)mm
Width: max.4850mm
Length: max.45000mm
Yield strenght of plates(cold position): max.1000MPa
Temperature of plates: max.700 C
Straightening force: max.44000kN
working roll of straightener: 9pcs(up 4 down 5)
straighten speed: 0/1/2m/s
roll gap control: hydraulic pressure(AGC), 4 hydraulic cylinder |
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cold bed |
cold bed NO.1 & 2 |
Position: at back of warm straightener
usage: cool the plate and transfer the plates from entrance of cold bed to exit
types: walking beam
width of cold bed: 45000mm
length of cold bed: 46000mm(the distance between center lines of rolls at entrance and exit)
feeding way: length≤22000mm,double feeding
length＞22000mm,single feeding |
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cold bed NO.3 |
position: at back of warm straightener
usage: cool the plate and transfer the plates from entrance of cold bed to exit
types: walking beams
width of cold bed: 45000mm
Length of cold bed: 72000mm(the distance between center lines of rolls at entrance and exit)
feeding: length≤22000mm,double feeding
length＞22000mm,single feeding
loading of bed surface:max.750t(double rows) |
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marking machine of sample |
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crop shear |
types: roll cutting type
thickness: 8mm~50mm
width: 1800mm~4850mm
tensile strength of plates: 1200MPa(max.40mm)
750MPa(max.50mm)
cut temperature: max.150 C
cut force: 16000kN |
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double-sided plate trimming shears |
types: three-axis three-eccentric roll-cutting double-sided trim
fixed side: on the right side of plate moving direction
tensile strength of plates: 1200MPa(max.40mm), 750MPa(max.50mm)
cut temperature: max.150 C
cut force: trim~6500kN, scrap cut~3000kN
cut time: 16pc/min~30pc/min
open degree of shear blade: max.100mm
mobile cut adjusted route: 3500mm
mobile cut adjusted speed: 100mm/s
Min length adjusted auto cut: ~6000mm
step lenght of cut: 1300mm(THK≤40mm),1050mm(THK＞40mm)
width of trimming: 20mm~150mm(thk>20mm, min trimming width is equal to thickness of plates.)
trimming length:~1300mm max.2500mm(tail remaining) |
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dividing shear |
types: rolling cut
tensile strenght of plates: 1200MPa(max.40mm), 750MPa(max.50mm)
cut temperature: max.150 C
cut force: ~16000kN
cut time: 24pcs/min(continuously)
18pcs/min(start-stop)
cut cycle: 4.5s
feeding speed: max.2.0m/s
opening degree of shear blade: ~255mm |
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flame cutting machine |
environment temperature: Max.60℃
cutting ways: Fully automatic CNC flame cutting (manual intervention)
Cutting medium: propane gas and oxygen
Cutting machine track length: 100m
Cutting machine track span: 9000mm
Effective cutting length of No.1 cutting machine: 28000mm
Effective cutting length of No.2 cutting machine: 45000mm |
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hot marking machine |
technical
parameters
of top & lower
surface printing
technical prameters of side printing |
position: top surface and lower surface
top surface: next to the right side of plates
min distance to the front end of steel plates + stop error: 700 mm
Min distance to the right + positioning error: 350 mm
Direction: along the length of the steel plate
position: on the right front side of plates
Horizontal position: about 1500 mm from the front end of the steel plate + stop tolerance
Vertical position: align to the top side of the steel plate
Character direction: 0 or180°
Number of lines: one line combined with alphanumeric characters and a set of barcodes |
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non-destructive inspection machine |
detection specification: thickness: 8mm~120mm
width: 1800mm~4850mm
length: 4000mm~25000mm
Max thickness of passing plate: 120mm
detection temperature: ≤150 °C
detection range: 100% surface of plates
detection speed: Based on the following "detection sensitivity", the detection speed is 60m/min. If a larger defect is detected or the sheet is detected, the speed can be increased accordingly.
detection sensitivity: 2 mm(100% detectable, <80mm), 3 mm(dynamic)
defect evaluation area: min 7 mm2 |
