Product Description

850mm 6Hi Reversible Cold Rolling Mill 



1. Brief Introduction

The 850mm 6Hi reversible cold rolling mill mainly consists of uncoiler, coil car, at the beginning of the straightening machine, left roll machine, coil discharging equipment, machine device, 850mm six roller reversible cold rolling mill working machine, machine device, scroll right take machine, unloading volume device, supporting roller system and fluid equipment (hydraulic, lubrication, lubrication, etc. ) and instrument system organic composition, electrical, instrumentation, integration of the automation of complete sets of equipment. This work will be used in the form of the national equipment engineering contract ("turnkey"). 
2. Technical specification

1) Blank specification pickling hot rolled coils

Material: 
Incoming specification 
Material: Q195, 08AL, SPCC, SPCD, SPCE
Mechanical properties: Less than 420 N by S / mm2, N / mm2 = 650 by B
Thickness: 1.2 ~ 4.0mm
Width: 500 ~ 750mm
Roll diameter (internal / external): 508/1600mm
Maximum roll weight: 10t
2) Output product
 
Thickness: 0.18 ~ 1.2mm
Width: 500-750mm
Roll diameter (internal / external): 508/1600mm
Max roll weight: 10t
3. Main technical data
Specifications: 225/ 300/ mills 720 long 850 mm
Work roll: 225 ~ 200 * 850
Middle roll: 300 ~ 270 * 830
Support roller: 720 ~ 660 * 800
Max rolling pressure: 9000 KN
Max  rolling torque: 55KN. M
Wear speed: 30 m/min
Rolling speed: 0 ~ 600 m/min
Emergency stop deceleration 3 m/s2
Quick stop deceleration 2.0m/s2
Normal parking reduction rate of 1 m/s2
Work roll bending force: 150KN
Middle roll bending roll force: 150KN
Intermediate roll force: 250 ~ 150KN
Intermediate roll shifting: + 75 mm
Max opening degree of working roll: 20 mm (new roll)
Rolling line elevation: mm +850
Rolling line elevation adjustment stroke: 125 mm
Deflector roll diameter: 400 mm
Process flow: 3600 L/min
Hydraulic system working pressure: 
AGC: 25 MPa