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II.

Φ280×1150/Φ890×1100㎜(3-stand)

Φ280/Φ330/Φ890×1100㎜(2-stand)

4-hi/6-hi 5-stand pickling tandem mill

(no-head pickling tandem mill, double coiling)

1.Technical flow：

(pickling section) →No. 1 entry device (thickness gauge)of No. 1 housing →F1 main mill→tension and thickness measuring→F2 main mill→tension measuring→F3 main mill→tension measuring→F4 main mill→tension measuring→F5 6-hi mill→exit technical table(with thickness measuring) →pinch device before shearing→power fly shear→No. 1 turning roll(with guiding plate) →No 1 coiler(with belt wrapper) →No. 1 unloading car→Bridge bracket (Magnetic belt conveyor) →No. 2 turning roll(with guiding plate) →No 2 coiler(with belt wrapper) →No. 2 unloading car

2.steel grade:

steel grade:Q195、Q215、Q235、08Al、16Mn、HSLA

yield strength：σ0.2≤350Mpa

raw material:

thickness：2.0～4.5mm

width：685～1100mm

ID： Φ762mm

OD：MaxΦ2000mm～Minφ1000

max. coil weight：20t

3.product：

a. total deformation： Max 86% H (5 passes rolling)

b. product thickness： 0.35～4.0mm

c. product width： 685～1100mm

d. ID： φ508mm

e. OD： Maxφ2000mm～Minφ1000

f. max coil weight： 20t

4.main technical parameters：

a)type of machine

F1～F3：Φ280×1150/Φ890×1100mm 4-hi cold rolling mill

F4～F5：Φ280×1150/Φ330×1150/Φ890×1100mm 6-hi cold rolling mill

b) technical parameters

?driving type: by working rollers

?pressure down: by hydraulic

?max rolling force：11000KN

?max rolling speed：600m/min (No. 5 housing exit side)

?threading speed：0.3～0.5m/s

?pickling exit side speed：Max 150m/min

?coiling speed：Max 600m/min

?coiling tension：Max 85KN

c)motor power

?main motor

Z900-400，2240KW，470/900rpm，750V，5pcs

?pinch device motor：

Z4-250-31，132kw，1000/2000rpm，440V，1pcs

?flying shear motor：

ZFQZ-250-11，110kw，980rpm，440V，1pc

?coiler motor：

Z710-4B，1150kW，400/1200rpm，750V，2pcs　

?total DC power about： KW

?total AC power about： KW