chinayangtze
44" 20-HI
SENDZIMIR MILL
meetchina.net

Mfg: Hitachi
Type: ZR21A-44
Age: Original ?1967

Moved, Rebuilt, Reinstalled ?1998
Material Previously Rolled:
Steel ?Carbon, Silicon
Width: 45.6?max.
Nominal ?44?/font>
Minimum ?22?/font>
Entry Gauge: .125?/font>
Exit Gauge: .0047?min.
Entry ID/OD: 20?/ 67?/font>
Exit ID/OD: 24?/ 70?/font>
Coil Weight: 15,000 kg (33,000 lbs.)
Rolling Speed: 984 FPM max. motor torque/1968 FPM
reduced motor torque
Rolling Direction: Left to Right

Rolls:
Work: 3.150?Dia.
First Intermediate: 5.40?Dia. x 1308 mm Face
Second Intermediate: 9.250?Dia. x 1232 mm Face
Backing Roll: 16?Dia.
(3) Sets Backing Assemblies available.

EQUIPMENT:
Pay Off Reel:
Type: Hydraulically Expandable Mandrel
Lateral Positioning
Equipped with Snubber Coil Opener
Coil Car
Drive Motor: 100 KW DC
Processor/Flattener:
2-Hi Driven Pinch Roll
5-Roll Flattener
Motor: 22 KW AC
Reversing Reels:
Type: Four Part Collapsible Mandrel with Hydraulic Gripper
Each reel equipped with Coil Car and Stripper Plates.
Outboard Bearings
Mandrel Dimension: 600 mm Dia. collapsed x 51?Face
Drive Motor:
Mfg: JEC (Japanese Electric Co.)
(2) 750 HP, 230/750 RPM, 375 V. DC (each armature) or
(2) 900 KW, 750/875 RPM
Drives: Thyristor Programmable Logic Control

MILL FEATURES:
Hydraulic Pressure Boards:
Hydraulic Entry Guides
Contact Gauge:
Kawasaki Flying Micrometer
Non-Contact Gauge:
Toshiba Double Beam X-Ray
Deflector Rolls: 18?Diameter
Drive Motor: (2) x 1300 KW (3400 HP), 410/820 RPM, 750
V. DC

Oil Systems:
Oil Mist ?Backing Bearings
Coolant Oil System with complete filtration
Lubrication: Hydraulics
Control:
Thyristor Converters with 1996 regulation

Note: This mill is offered as part of a complete plant that includes buildings and cranes, plus cut-to-length and other processing facilities.