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Pickling tandem mill

I.

Φ250×950/Φ750×900mm (4-stand)

Φ250×950/Φ300×950/Φ750×900mm (1-stand)

5-stand pickling tandem mill

(no-head pickling tandem mill, double coiling)

1.Overall instructions

This 950mm five-stand pickling tandem mill production line is used for producing steel strip that meets the national standard GB716, GB708 and YB / TO25. The raw materials used in the production line are hot rolled steel strip that meets the national standard. Production line is composed of mechanical equipment, liquid system (hydraulic station, equipment lubrication, coolant system), and electrical instrument system and other organic machine, electrical, instrument, liquid integration of automatic equipment.

2.technical flow:

Inlet tension roller→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

3. steel grade:

steel grade : Q195、Q235、Q345B,etc.

yield strength:σ0.2≤345Mpa

3.1 raw material

thickness:2.75~4.0mm

width:650~830mm

ID:Φ508mm

OD:φ1200~φ2100mm

max. coil weight:18t

3.2 product:

3.1.1total deformation:Max 80% H (5 passes rolling)

3.1.2product thickness:0.6~2.0mm

3.1.3product width:650~830mm

3.1.4ID:φ508mm

3.1.5OD:φ1200~φ2000mm

3.1.6max coil weight:18t

4.main technical parameters:

a.type of machine:

F1~F4:Φ250×950/Φ750×900mm 4-hi cold rolling mill

F5:Φ250×950/Φ300×950/Φ750×900mm 6-hi cold rolling mill

b.technical parameters

?driving type: by working rollers

?pressure down: by hydraulic

?max rolling force:9000KN

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

?threading speed:0.3~0.5m/s

?pickling exit side speed:Max 140~180m/min

?coiling speed:Max 600m/min

?coiling tension:Max 80KN

c.motor power:

?main motor:

Z800-315(air water cooling),1600KW,520/1200rpm,660V 5pcs

?entry side tension roll motor

Z4-225-11,75kw,1000/2000rpm,440V 2 pcs

?pinch device motor :

Z4-225-11,75kw,1000/2000rpm,440V 1 pc

?flying shear motor:

ZFQZ-250-11,90kw,980rpm,440V 1pc

?coiler motor:

Z710-3B(air water cooling ),900kW,300/1000rpm,660V 2pcs

?total DC power about:10115KW

?total AC power about:KW

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