1780mm 4 Hi Reversible Cold Rolling Mill

Specifications of Supplied Materials
:
Material:
:
Mechanical Property:
:
Requirements::
Thickness:
:
Width:
(/):
Coiling diameter (inner/outer):
:
Max coil weight:
Q195,08Al,Q235,SPHC,SPHD,SPHE
Q195,08Al,Q235,SPHC,SPHD,SPHE
σs≤380 N/mm²
σs≤380 N/mm²
1):≤5mm/2m;:≤5mm
1) Strip camber: ≤5mm/2m; tower: ≤5mm
2):≤±0.15mm;:≤0.20mm
2) Strip passband tolerance: ≤±0.15mm; transverse difference: ≤0.20mm
3),,,.
3) Uniform hardness, and no obvious defects like inclusions, sinkholes or raw edges.
6mm
6mm
1780 mm
1780mm
F508/F1600 mm
F508/F1600 mm
25t
25t1.2.1.2
1.2.1.2 Supplied material state
1.2.1.3
1.2.1.3 Finished product specification:
Thickness:
:
Width:
(/):
Coiling diameter (inner/outer):
:
Max coil weight:
:0.5~4.5mm
0.5~4.5mm
1600 mm
1600 mm
F508/F1600 mm
F508/F1600 mm
25t
25t
Finished product precision:():<±0.005mm(d≤0.5mm)
<±1.0%d(d>0.5mm)
Longitudinal thickness tolerance(rolling at stable speed): <±0.005mm(d≤0.5mm)
<±1.0%d(d>0.5mm)
():<±0.01mm(d≤0.5mm)
<±2.0%d(d>0.5mm)
Longitudinal thickness tolerance(speeding up or slowing down): <±0.01mm(d≤0.5mm)
<±2.0%d(d>0.5mm)
():<±1.5%d
Transverse thickness tolerance(rolling at stable speed): <±1.5%d
:≤40I
Shape tolerance: ≤40I
1.2.2
1.2.2 Main Technical Parameters of the Unit:F1450/F420´1900 mm
Rolling mill specification:F1450/F420´1900mm:18000 KN
Max rolling pressure: 18000 KN:100KN.m
Max rolling torque:100KN.m:30 m/min
Max threading speed: 30m/min:300 m/min
Max uncoiling speed: 300m/min:600m/min
Max rolling speed:600m/min:50KN
Uncoiling tension: 50KN:180~18KN
Coiling tension: 180~18KN :620m/min
Max coiling speed: 620m/min(/):625/420 KN
Single side bending force of the work roll(positive/negative): 625/420 KN: F420~F400´1780 mm
Work roll size: F420~F400´1780 mm:Cr3
Material: Cr3 alloy forging steel
:HS 90~95
Surface hardness: HS 90~95:F1450~F1400´1680mm
Support roll size:F1450~F1400´1680mm:Cr5
Material: Cr5 alloy forging steel
:HS 65~70
Surface hardness: HS 65~70:20 mm()
Max opening of the work roll: 20 mm(new rolls):F560~F620 mm(F610 mm)
Coil mandrel diameter of the uncoiler:F560~F620 mm(entire circle F610 mm):F595~F610 mm(F610 mm)
Coil mandrel diameter of the coiler: F595~F610 mm(entire circle F610 mm):±100 mm
Centering moving range of the uncoiler: ±100 mm:F400 mm
Straightener lower pinch roll diameter:F400 mm:F500 mm
Turing roll diameter: F500 mm:+1000 mm
Rolling line elevation: +1000 mm:200 mm
Rolling line elevation adjustment distance: 200 mm:≤150 mm
Accurate stopping: ≤150 mmCPC:±1 mm
CPC centering control accuracy: ±1 mm:72cmx65cm=4680cm2
Housing section: 72cmx65cm=4680cm2:6500 L/min
Processing lubrication flow: 6500 L/min:
Hydraulic system working pressure: :12 Mpa
General hydraulic drive:12 Mpa
,:21 MPa
Balance, bending roll: 21 MPa
:25 Mpa
Screwup system pressure: 25 Mpa:
Unit drive direction:Left side of blooming pass strip heading direction
Installed capacity of electric appliances of unit and mechanical equipment::1000KW,2
DC: Main motor:1000KW, 2sets
,:800KW,2
Entry/exit coiling motor: 800KW, 2 sets for each
:650KW,1
Uncoiling motor: 650KW, 1 set
:1000KWx2+800KWx4+650KW=5850 KW
Installed capacity: 1000KWx2+800KWx4+650KW=5850 KW
:≈1000 KW
AC: ≈1000 KW: ≈55 t()
Max lifting part weight: ≈55 t(lower support roll): ≈100 t()
Max mounting hardware weight:≈100 t(housing)(xx):≈23x32x11 m
Outline dimension of the Unit (length x width x height): ≈23x32x11 m