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used cold rolling mill

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Used 1450 6-hi reverse CRM

  • product description
  • Technical Parameters

A.      main specs

1.      hot rolling pickled steel coil

material typeQ195Q215Q23508Alsilicon steelSi≤2.4%

mechanical performance

max yield strengthσs325N/mm2

thickness1.8~4.5mm     silicon steel 2.0-2.5mm

width800~1280mm

coil r(OD/ID)Φ610/Φ2000mm

max coil weight25t

2.      finished products

thickness0.20~2.0mm

width800~1280mm

coilr(OD/ID)Φ508/Φ2100mm

max coil weight25t

thickness error  ±10μmδ<0.5mm

±2%δδ³0.5mm

 

3.     main technical specs

a)      MAX rolling pressure16000KN

b)     MAX rolling torque130KN.M

c)     MAX rolling speed900m/min

d)   coil run through speed18m/min

e)    uncoiling tension60KN400m/min

f)      uncoiling speed400m/min

g)     coiling tension160KN

h)     max coiling speed950m/min

i)       working rolls sizeΦ340~Φ300×1450mm (MC3)

j)       middle rolls sizeΦ430~Φ390×1450mm(MC3)

k)     back up rolls sizeΦ1200~Φ1050×1450mm(9Cr2)

l)      house section size60×72(cm)=4320c m2

m)   uncoiler cone diameterΦ560~Φ620mmcircle Φ610mm

n)     coiler cone diameterΦ510~Φ485mm

o)   side guiding rollsΦ400×1450mm

p)     guiding rolls sizeΦ200×850mm

q)    oil removal rolls sizeΦ200×1450mm

r)      working rolls max openness20mm

s)      working rolls bend pressuresingle side positive/negative): 300/200KN

t)      middle rolls single side bend pressure430KN

u)     middle rolls horizontal moving pressure550/350KN

v)     middle rolls horizontal moving range225mm

w)   hydraulic system pressure31.5MPa

x)     rolls bending, horizontal moving pressure21MPa

y)     normal hydraulic transmission working pressure10Mpa

z)    cooling mediaemulsion

aa)  craft lubrication flow7500 L/min

bb) uncoiler motor400KW

cc)  coiler motors1000KW´2´2series

dd)   main rolling mill motors1000KW´2´2series parallel connection

ee)  emulsion recycle cooling lubricationvacuum filter and air oil removing

ff)   working type: reverse rolling

gg) products accuracy        h=0.2—0.5mm    δ≤±5μ 

h0.5mm         δ≤±1.0%h

straightness  25I

 

B.       Scope of supply

no.

name

qtyunit

brand

weigh (T)

1

coil loading car

1

maker

About   550tons

2

uncoiler

1

Maker

3

leveling machine and hydraulic shear

1

Maker

4

left coiler

1

Maker

5

coil unloading car

2

Maker

6

devices before mill

1

Maker

7

1450mm 6-hi   CRM

1

maker

8

movable covers

1

maker

9

rolls changing car

1

Maker

10

back up rolls changing machine

1

Maker

11

devices after mill

1

Maker

12

right coiler

1

Maker

13

assistant coiler

1

Maker


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