16" x 32" x 34" BLISS 4-HI ROLLING MILL (4220)

MANUFACTURER: E.W. BLISS & CO.
TYPE: 4-HI COLD BREAKDOWN SINGLE DIRECTION MILL
(CAN BE CONVERTED TO REVERSING)

WORK ROLL SIZE: 16" (406mm) DIA. x 34" (863mm) FACE
WORK ROLL BEARINGS: ROLLER

BACKUP ROLL SIZE: 32" (812mm) DIA. x 35" (889mm) FACE
BACKUP ROLL BEARINGS: ROLLER

CAN ACCEPT COILS OR FLAT SLABS AT ENTRY

LINE CONSISTS OF: ENTRY DRIVEN ROLL CONVEYOR TO ACCEPT FLAT SLABS UP TO
1/2" (15mm) THICK x 29-1/2" (750mm) THICK

UNCOILER:
PURPOSE: TO PAYOFF COIL STOCK IN LIGHTER GAUGE RANGES
TYPE: EXPANDING MANDREL
MANDREL SIZE: 13"/16" I.D. x 36" FACE
TYPE EXPANSION: HYDRAULIC
COIL HOLDDOWN SNUBBER: HYDRAULIC
IN GROUND COIL CAR
DRIVE: (2) x 15 Kw, 200/500 RPM, 68 AMPS INTO
HORSBURGH & SCOTT GEARBOX W/8.47 TO 1 RATIO

DRIVEN ENTRY PINCH ROLLS: 5 H.P., 380 VOLTS, 3PH., 50 Hz

ROLLING MILL:
MANUFACTURER: E.W. BLISS & CO.
ROLL COOLANT SYSTEM
MILL STAND CROSS SECTION: 16" x 26"
WINDOW WIDTH: 38"

HYDRAULIC ROLL WIPERS
MOTORIZED SCREWDOWNS
IN GROUND ROLL CHANGER
DUAL OPERATOR STATIONS
MILL EQUIPPED W/VOLLMER THICKNESS GAUGE, MODEL VMF 3/2 W/HYDRAULIC
INSERT/RETRACT OPERATOR READOUT.
ROLLER BEARINGS
WORK ROLL DRIVEN

DRIVE: 770 H.P., 0/320/750 RPM, 640 VOLTS, 950 AMPS
INTO MORGARDSHAMMER COMBINATION PINION STAND
/GEAR REDUCER, TYPE 25C, ORDER NUMBER 69-42680,
RATIO 5.333 TO 1.
MOTOR CONTROLS

MOTOR GENERATOR SET:
GENERATOR: 615 Kw, 1480 RPM, 650 VOLTS, 950 AMPS,
BROWN BOVERI TYPE GCED 650/6 B 58057.

MOTOR: 660 Kw, 1480 RPM, 5300 V., 90 AMPS

UPCOILER:
MANUFACTURER: E.W. BLISS & CO.
BENDING ROLL SIZE: 6" DIA. x 34" FACE
CARRIER ROLL SIZE: 4" DIA. x 34" FACE
DRIVE: (2) x 60 H.P., 0/510/1200 RPM, 275 AMPS
INTO H & S GEARBOX WITH 3.51 TO 1 RATIO

RECOILER:
MANUFACTURER: E.W. BLISS & CO.
TYPE: EXPANDING MANDREL
TYPE EXPANSION: HYDRAULIC
MANDREL SIZE: 15/16" I.D. x 34" FACE
HYDRAULIC COIL PUSHOFF
DRIVE: (2) x 60 H.P., 0/510/1200 RPM, 275 AMPS
INTO HORSBURGH & SCOTT GEARBOX WITH
7.57 TO 1 GEAR RATIO

EQUIPPED WITH COIL CAR

HAGINGER COIL RETURN CONVEYOR:
PURPOSE: A CONVEYOR SYSTEM TO TAKE COILS FROM UPCOILER
AND RETURN THEM TO PAYOFF SIDE OF MILL

MANUFACTURER: HAGINGER
NO. OF COILS HELD: 12
YEAR OF INSTALLATION 1975
ALL ROLL DRIVEN AND AUTOMATED

NO. OF SPARE ROLLS WITH MILL:
WORK ROLLS: 6 PLUS 2 IN MACHINE
BACKUP ROLLS: 2 PLUS 2 IN MACHINE