Steel coil cutting machine

Steel coil cutting machine 

1. General specification 
1.1 Input Material 
Cold rolled steel coil, Galvanized steel coil, etc 
Thickness 0.3mm to 1.8mm, 
Width: 400mm to 1000mm 
Coil ID: 508mm 
Coil OD:≤1500mm 
Coil weight: 10Ton Max 
1.2 Products 
Sheets length: 500mm ~ 5000mm 
Stacking Height: Max 400mm 
Stacking weight: Max 5000kg 
1.3 Performances 
Tolerances: +/-0.3mm/1000mm 
Diagonal difference: +/-0.6mm/1000x1000mm 
Flatness: 1.5mm/m2 
Line speed: 18 to 20 pcs/min (in 2000mm length) 
1.4 Overall 
Total Power: abt.50kW 
Area occupation: 25x5m 
Operation Dir: 
Paint Color: 
2. Line configuration and specification 
The line is composed of following main units: (see atta. Dwg):

. Entry Coil Car 
. Uncoiler 
. Leveler 
. Loop table 
. Side guide 
. Servo feed 
. Shear 
. Transfer Belt 
. Stacker 
. Stacking table 
. Exit conveyor 
. Hydraulics 
. Electrical Control 
2.1 Entry Coil Car 
. V-shape frame is raised / lowered by hydraulic cylinder; The hydraulic

Roll Material: 9Cr2Mo. 
cylinder specification is Ø150X700mm.

. Motor drive; Moving along the rail; The motor is AC1.5kw-6P. 
2.2 Uncoiler 
. 4 drum segments; Expansion /collapse promoted by hydraulic 
cylinder; Drum expansion /collapse range: Ø465~515mm; The 
hydraulic cylinder specification is Ø150X145mm. 
. The drum driven by AC motor; Pneumatic clutch. 
. The drum’s main shaft installed with Air brake for tension and brake. 
. The hold down roll installed over the drum, be raised/lowered by 
hydraulic cylinder; Hold down roll coated with PU. 
2.3 Leveler 
. A pair of pinch roll, PU coated; diameter Ø150mm 
. 2H type, 13 work rolls with DIA Ø95mm 
. Work rolls material GCr15. 
. Hand wheel leveler gap adjustment. 
. AC motor drive by means of Universal joint shafts 
. Motor Power AC18.5kW w/t frequency inverter control 
. Welded steel frame, precision machined after annealing. 
2.4 Loop table 
. Hydraulic cylinder raise/lower. 
. Photo sensors installed to control the strip level 
2.5 Side guide 
. Roll type side guide 
. Hand wheel -screw adjustment 
. The rolls with DIAØ70, coated with chrome, Cr15 Quenching. 
2.6 Servo feed roll 
. A pair of feed roll, driven by servo motor and precision gear box. 
. Servo motor power 5kW. 
. Roll Material: 9Cr2Mo. 
. Hand wheel raise and lower with intermediate springs. 
2.7 Shear

. Two Hydraulic cylinder drive, downwards stroke. 
. Precision Linear guides at left and right side 
. Clearance adjustment manually. 
2.8 Conveyor belt 
. AC motor driven. 
. Inverter speed regulating. 
2.9 Stacker 
. Side shield motorized adjustment 
. Back-stopper adjustment manually 
. Max sheet length 5m 
2.10 Stacking Table 
. Lifting capacity Max 4000kg

. Distance 500mm. 
. Roll conveyor to unload sheet pack backwards 
2.11 Exit conveyor 
. Max sheet length 5m 
. Roll conveyor to unload sheet pack backwards 
2.12 Hydraulics 
. The power of hydraulic station is 11kw, with water cooling unit 
installed. 
. Integration pumping station and valve block installed. 
. Yuken,Taiwan hydraulic components 
2.13 Electrics 
. Central PLC control with several operation panels distributed; 
. Color display Touch Screen, With the function of length setting, piece 
counter, Line status diagnostic message, speed regulating, automatic 
/ manual feeding, continuous shearing, fault alarming, system 
protecting, etc. 
. Main Components: 
PLC Mitsubishi, Japan 
Inverter Omron 
Servo motor Panasonic, Japan 
Touching screen WeinView, Taiwan

3. Main Parts supplier 
# NAME TYPE SUPPLIER 
1 Gear box Changzhou Guomao, China 
2 AC Motor WN motor, China 
3 Servo Motor Panasonic,Japan 
4 Precision gear box 
For Servo motor 
5 Main Bearings 
(Leveler, Feed Rolls) 
NSK 
6 Hydraulic cylinders Gaoxin Huaneng, China 
7 Pump Yuken, Taiwan 
8 Valves Yuken, Taiwan 
9 Air cylinders Airtech 
10 PLC MITSUBISHI MELSEC,Japan 
11 HMI WeinView,Taiwan 
12 Frequency Invertor Omron,Japan 
13 Servo Control Panasonic,Japan 
14 Sensors Omron,Japan