Secondhand 6HI Cold Reversing Rolling Mill

1080mm Hitachi 6-High Cold Reversing Mill New in 1979

Year 1979
Stopped production in 2001

Main Mill Frame Design: 330 / 420 / 1067 x 1080mm
Width of mill: 1050mm
Coil: Max OD - 1730mm
Min OD - 1000mm
Nominal ID - 508mm
Hot Rolled ID - 610mm
Max Weight - 15 Tons
Thickness Range: Max Entry - 3.81mm

Min Entry
Hot Rolled - 1.52mm
Cold Rolled/Annealed - 0.30mm
Min Exit - 0.30mm
SAE 1008 - 1095
Tolerance: ± .0064mm on .64mm and under
± .0128mm on 1.28mm and up

Tension - 5900 kg. Payoff Reel
9070 kg. Tension Reel
Force - 1,400,000 kg. Max
Speed of mill: 610 MPM

Rolls diameter:
Work Roll: 330mm
Intermediate Rolls: 420mm
Backup Roll: 1067mm
Barrell Width of rolls: 1080
Backup Roll Bearings: Margoil Bearings
Maximum Tension: 5.9T at 1st Pass
9T at Tension Reels
Voltage: 575V 60 Hz
Mill Motors: 2 x 900KW, 750V, 400-1400 rpm
Tension Reel Motors: 1 x 900KW, 750V, 400-1400 rpm
Pay Off Reel Motor: 300KW DC 440V

Mill is equipped with Hitachi AGC, Hydraulic screw downs,
Roll coolant Soluable, filteration: Hydromation, Roll bending,
roll balance, intermediate roll shift
Roll changing cart, Hyrop-F roll positioning system,
Morgoil lubrication system Air jet wiper system,
The thickness gauge is from DMC controls and it communicates to Hitachi,
Computers and controls Hyrop valve,
HP hydraulics: 210 Bar Flow: 17 GPM (1+1),
Motor: model: A7V58DRIRPF00 40HP 1200 rpm 550V/3ph/60Hz

Complete mill all hydraulics, electrics, controls,
Spare: Work Rolls, Intermediate Rolls, Back-Up Rolls
Spare: Chocks & Bearings
Engineering Drawings & Manual