26" (660mm) SENDZIMIR MODEL No. ZR-23-25 ROLLING MILL (7432)

SPECIFICATIONS

MANUFACTURER WATERBURY FARREL CORP

MODEL ZR-23-25

TYPE 20 HIGH COLD REVERSING MILL

GENERAL SPECIFICATIONS:

STRIP WIDTH 26" (660mm) MAXIMUM

STARTING STRIP GAUGE .125" (3.175mm) MAXIMUM

FINISH STRIP GAUGE .0025" (.063mm) MINIMUM

LINE SPEED 0 TO 920 FEET PER MINUTE (280 mpm)
-MAXIMUM

COIL SIZE
-INSIDE DIAMETER 20" (508mm)
-OUTSIDE DIAMETER 55" (1397mm) MAXIMUM
-WEIGHT 20,000 LBS (9090 kg) MAXIMUM

STRIP TENSION 10,000 LBS (4545 kg) MAXIMUM AT
460 FEET PER MINUTE (140 mpm)

LINE CONSISTS OF THE FOLLOWING:

(1) COIL LOADING UNIT

-LIFT TYPE HYDRAULIC

THIS COIL LOADING UNIT IS EQUIPPED WITH A POWERED ROLLER CONVEYOR FOR COIL
MOVEMENT.

(1) COIL PAYOFF

-CAPACITY 20,000 LBS (9072 kg)

-MANDREL SIZE
-MINIMUM 16" (406 mm)
-MAXIMUM 20" (508 mm)

-EXPANSION TYPE HYDRAULIC

THIS PAYOFF IS EQUIPPED WITH A TRAVERSING BASE FOR COIL LOADING FROM COIL
LOADING UNIT AS WELL AS AXIAL ADJUSTMENT FOR POSITIONING OF THE STRIP EDGE.
IT IS ALSO EQUIPPED WITH A HOLD DOWN ROLL.

(1) PRESSURE BOARD BACK TENSION UNIT

THIS STAND GUIDES STRIP VIA ENTRY (OFFSET) ROLLS TO PRESSURE BOARD LOCATED ON
STAND TO PROVIDE BACK TENSION ON STRIP.

(1) ROLLING MILL

-MANUFACTURER WATERBURY FARREL

-MODEL SENDZIMIR ZR-23-25

-TYPE 20 HI COLD REVERSING MILL

-WORK ROLL
-NOMINAL DIAMETER 1.578" (40mm)

-BACKER BEARING
-DIAMETER 8.858" (225mm)

-ECCENTRIC ADJUSTMENT MANUAL- D SHAFT

-STRIP TENSION FEEDBACK LOAD CELL TENSIOMETERS ON BOTH ENTRY
FOR AUTOMATIC GAUGE CONTROL AND EXIT SIDE OF MILL
-STRIP GAUGING FEEDBACK NON-CONTACT GAMMA ON BOTH ENTRY AND
FOR AUTOMATIC GAUGE CONTROL EXIT SIDES OF THE MILL
TENSION STANDS INSTALLED NEW 1999

-MAIN DRIVE MOTOR 800 HP (597 kw) 575/1020 RPM DC, 600
VOLT, 1070 AMPS
VARIABLE SPEED

MILL IS EQUIPPED WITH THREE FOUR ROLL STEEL ROLLER WIPES ON BOTH ENTRY AND
EXIT SIDES OF MILL.

(2) RECOILERS- EACH AS FOLLOWS

-MANUFACTURER WATERBURY FARREL

-CAPACITY 20,000 LBS (9072 kg)

-MANDREL
-MAXIMUM EXPANDED DIAMETER 20" (508mm)
-TYPE REVERSE PYRAMID
INSTALLED NEW 2001

-EXPANSION TYPE HYDRAULIC

-PUSHER PLATE HYDRAULICALLY OPERATED

-GEARBOX SINGLE REDUCTION DOUBLE HELICAL GEAR

-MAIN DRIVE MOTORS (2) 100 HP (75 kw) 300/900 RPM DC, 230
VOLTS, 360 AMPS INSTALLED IN SERIES

INCLUDED WITH THE RECOILER IS A HYDRAULICALLY OPERATED TAIL GRIPPER.

(1) MILL LUBRICATION SYSTEM (SHARED WITH ANOTHER MILL AND CONSEQUENTLY IS NOT
INCLUDED WITH THIS MILL BUT SPECS ARE AS FOLLOWS)

-SYSTEM CAPACITY 5,000 GALLONS (18,927 LITERS)

-DELIVERY RATE 250 GPM (945 lpm)

(1) ELECTRICAL DRIVE SYSTEM

-TYPE MG SET

-SYNCHRONOUS MOTOR 900 HP (671 kw) 1200 RPM 3 PH 60 HZ
-DC GENERATOR 1250 kw, 250 VOLTS, 1200 RPM

(2) COIL UNLOADING UNITS- ONE AT EACH RECOILER

-LIFT TYPE HYDRAULIC
-TRAVERSE TYPE GEARMOTOR

(1) AGC (AUTOMATIC GAUGE CONTROL SYSTEM)

THE AGC SYSTEM WAS INSTALLED NEW IN 1989 BY INTERGRATED INDUSTRIAL SYSTEMS
(I2S). IT IS USED TO MONITOR MANY ASPECTS OF THE STRIP BEFORE AND AFTER THE
MILL TO ALLOW FOR THE PROPER ADJUSTMENT OF THE MILL TO MAINTAIN ACCURATE
FINISH STRIP CHARACTERISTICS.

NOTE: MILL IS EQUIPPED WITH A SPARE SET OF BACKER BEARING SHAFTS AND NUMEROUS
SPARE 1ST, 2ND AND WORK ROLLS

*******ALL SPECIFICATIONS ARE SUBJECT TO VERIFICATION BY PURCHASER*******