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used cold rolling mill

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Used 4-hi 1450 cold rolling and leveling mill

  • product description
  • Technical Parameters

china brand

made in 2009, stop in 2015

* rolling mill size E450/E1050X1450mm

* max incoming coil thickness: 6.00mm

* min finished coill thickness 0.4mm(rolling),when leveling:0.15mm

* max finished coill width 1300mm

* min finished coill width     700mm

* max coil OD:     2200mm

* material coil ID:Φ508-610mm, finished coill ID:Φ610mm

* max coil weight:           25T

* max rolling force: 18000KN

* max rolling torque: 121.5KN&m

* max rolling speed: 600m/min

* working roll diameter:   E450mm      new rolls

                 E410mm      old rolls

* back up roll diameter   E1050mm     new rolls

                 E980mm      old rolls

* tension roll diameter   E610mm

* anti-wrinkle roll diameter   E255mm

* roll length:       1450mm     working roll

                 1400mm     back up roll

                 1450mm     tension roll 

                 1450mm     anti-wrinkle roll

* max open mouth:    40mm      (when max roll diameter)

* coiler cone diameter:   E610mm/E595mm jaw

* coiler max tension:    300kN

* max tension at exit when leveling:      180KN

* transmission:          driven by working rolls

* max coiling speed:      600m/min

* uncoiler cone diameter:(expanding):  E610mm-E560mmE508mm-E460mm

* uncoiler cone shaft direction fluctuation    ±75 mm

* uncoiler max tension          100kN

* max tension at entrance when leveling      144KN

* house:whole body forge,section area: 580X500mm2

* rolling line standard height:        +1000 mm

* rolling line standard height adjusting travel distance 75mm

* craft lubircaton flow:       5000l/min

* hydraulic system working pressure:

* balance、roll bending:system working pressure

system working pressure  21MPa   system flow       40 L/min

* CPC uncoiler auto center hydraulic control system

  system working pressure    16MPa       system flow        40 L/min

* common hydraulic transmission system pressure:

system flow: Q=120 L/min        system working pressure: 12MPa

* AGC press system pressure:

design max pressure 32Mpaworking pressure  25Mpasystem flow 187L/min

* GC servo hydraulic cylinder:when single cylinder force 9000KN,oil pressure 18.5Mpa

* rolls balance:hydraulic multi-cylinder balance

* main motors power:

rolling mill main motor:  DC 1500KW  750V 350/1000r/minunits

right tension roll motor:DC 280KW   400V,  1000/1600r/min, 2 units

left tension roll motorDC 355KW   400V,  1000/1600r/min, 2 units

uncoiler motor:    DC 540KW   660V 350/1000r/min 1 unit

left and right coilers motors:DC 1700KW  780V 300/1000r/min,  4 units

* roll changing device:hydraulic changing for back up rolls,car changing for working rolls。

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