ESCL-2x1300 Slitting&Cut-to-Length combined Line

ESCL-2x1300 Slitting&Cut-to-Length combined Line

1 General specification
1.1 Input Material
Cold rolled steel coil, Galvanized steel coil, etc (σb≤450Mpa)
Thickness: 0.25mm to 2.0mm
Width: 500mm to 1300mm
Coil ID: 508mm/610mm
Coil weight:8000kg Max

1.2 Finish-product Performance
Strips Number (related to the thickness of the strip): 3 strips
Sheets length: 300mm ~2000mm
Length Tolerance: +/-1.0mm
Width Accuracy: 0.2mm
Diagonal Accuracy: +/-1.5mm
Line speed: 8-10 Pieces/min/2000mm

1.3 Others
Total capacity: about 50KW
Drive motor: leveler 18.5KW
Inverter motor: 15KW
Hydraulic shear: 15KW
Area: L12mxW7.0m
Line direction: from to (face to operation table)

2 Line configuration and specification
Entry Coil car
Uncoiler
Leveler
Loop table
Side guide
NC measuring device
Slitter
Hydraulic shear
Hydraulic system
Pneumatic system
Lubrication system
Electrical control

2.1 Entry Coil Car
V-shape frame is raised / lowered by hydraulic cylinder (φ150X600); Guide pillars oriented
AC motor drive; move along the rail, motor power 1.1KW, 1000rpm
The surface of V-shape frame is coated with nylon plate
A set of coil storage saddle coated with nylon for coil
Coil weight: max. 8T

2.2 Uncoiler
Single head cantilever type
Expansion /collapse promoted by hydraulic cylinder
Drum expansion /collapse range is 470-520mm
Shaft core type: wedge four arris-core structure
Drum driven by AC motor, with air clutch
With disc type brake for tension and brake
Hydraulic swing type
With polyurethane coated hold down roll. Motorized rotation

2.3 Leveler
Straight steel plate
Structure: 2Hi type
Pinch rolls Qty: 1 Pair (2)
Work rolls Qty: 7
Work rolls DIA: Φ150mm
Leveling rolls dia.: Φ120mm
Leveling rolls material: GCr15
Totally 7 work rolls, 3 top and 4 bottom designs
Motorized the top and bottom work rolls clearance
Pinch rolls and all work rolls driven by AC motor
AC 18.5KW motor

2.4 Loop Table
The loop table raised/lowered by hydraulic cylinder
There are 3 groups of detection photoelectric switch in the pit; When the strip rising,

leveler drags uncoiler to accelerate speed uniformly; When the strip lowering, then reduce speed uniformly
Detection photoelectric switch controlled by PLC

2.5 Side Guide
Correcting the direction of strip
Hand-wheel adjusts
Width range: 200-1300mm

2.6 NC measuring device
Inverter motor control for high-speed feeding and high accuracy measure
Measure transmission adopts non-gap transmission, inverter motor and high accuracy reducer connect directly
2 rolls structure, top roll pressed by worm screw through spring
All parameter setting and operation displayed by touch screen
With inverter motor and reducer drive

2.7 Slitter
Circle plate type scissors, 3 pairs slide cutter head
Knife is 130×200×20 (OD×ID×Thickness), material is Cr12MoV
Material of knife shaft is 42CrMo, plated with chrome, dia. Φ130mm
Manual move, convenient change knife
Cutting motive power is from NC measuring inverter motor, synchronous connection

2.8 Shear
Downwards stroke
Automatic cutting
Motive power: hydraulic cylinder
Whole concentrate lubrication system

2.9 Hydraulics
Oil box capacity: more than 500L
Motor power 15KW
Pumps adopt gear pump from Shanghai, other valves adopt Taiwan or joint venture brand
With air cooling device

2.10 Electrics
2 groups of main and sub operation table
Central PLC control with several operation panels distributed
Intelligent monitoring messages displayed on Screen
Alarms when error occurs and display messages on the screen
The main component:
PLC Mitsubishi, Japan
Inverter Omron or Inovance
NC Encoder Omron
Button Schneider