9" X 28" X 31 1/2" DAVY UNITED 4-HI MILL (2257)

MANUFACTURER DAVY UNITED
YEAR OF MANUFACTURE 1951

TYPE OF MILL COLD - COIL TO COIL
WORK ROLL DIA. 228.6MM (9")
BACK UP ROLL DIA. 711.2 MM (28")
ROLL WIDTH 800.1 MM (31 1/2")
WORK ROLL BEARING 4 ROW ROLLER
BACK UP ROLL BEARING 4 ROW ROLLER
MAX. ROLLING SPEED 152 M/MIN. (500 FPM)
MAX. COIL WEIGHT 3800 KG. (8377 LBS.)
MAX. THICKNESS IN (BRASS) 2.0 MM (.080")
MIN. THICKNESS OUT 0.18 MM (.0072")
MAX. COIL DIA./WIDTH 980/630
MILL STAND CROSS SECTION 342.9 MM X 317.5 MM
WINDOW WIDTH 819 MM NOM. (32.7")
AGC TYPE DAVY LOEWY HYD. ROLL LOAD CYLIND.
W/FEEDBACK
DECOILER/COILER O.D. 430/445 MM (17" X 17.5")
BELT WRAPPER
COIL CARS ENTRY & EXIT SIDES
PUSH - OFF GEAR ON RECOILER

THE MILL INCLUDES ENTRY & EXIT ELECTRICALLY OPERATED ROLLER CONVEYOR
SPOOL HANDLING SYSTEM FOR RELOADING TO ENTRY SIDE.

TYPE OF COILER EXPANSION HYDRAULIC
WORK ROLL DRIVEN
ELECTRICAL SUPPLY
MAIN DRIVE 6.6 KV, 50HZ, FEEDING 6.6 KV/415V,
TRANSFORMER & REGENERATIVE
THYRISTOR STACK
AUX. DRIVE 520 V, 30/50 HZ
MAIN DRIVE 500HP, 420 V, 975 AMPS
DECOILER 27 KW, 600 V, 95 AMPS
COILER 150 HP, 600 V, 207 AMPS
SCREWDOWN 20 HP, 300 V, 57 AMPS

MOTOR GENERATOR FOR MAIN DRIVE, SCR THYRISTOR FOR COILER.