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1.Max slitting speed 400 m/min
2.Suitable material: BOPP, CPP, PET, PVC, PE, NYLON, plastic films etc…
3. Max diameter of unwinder:φ800 mm, Max diameter of rewinder:φ600 mm
4.PLC program system for automatic tension control.
5. Unwinding is shaft-less, controlled by servo motor, with hydraulic type web rolls lifting.
6.Unwinding with EPC.
7.Rewinding controlled by servo motor.
8.Rewinding use double friction slippery shaft.
9.Traction controlled by servo motor
10.Imported PLC integrated control is used in electrical control system, human-machine communication is carried out by touch screen, Set and display working parameters according to the requirements from different products.
11.Servo motor is adopted for unwinding, roll diameter is automatically calculated by PLC to achieve automatic tension control, unwinder shaft-less with EPC. Hydraulic lifting web rolls system, easy unloading and loading material.
12.Servo motor is adopted for rewinding, active winding, roll diameter is automatically calculated by PLC to achieve automatic tension control, double slip air shaft for good & stable tension.
13. Using the flat knives for slitting , regularity disc surface , air exhausting device for waste .
14. In the system, there are calculations of meter, roll diameter, automatic machine stop when lack of material etc.
15. The system has perfect mechanical, electric and pneumatic design, also good safety protection.
16.Rewinding with double friction slippery shaft.
Main technical parameters
Unwind width | 400 – 1300mm |
Slitting material | BOPP, CPP Film12-180um, PE, PVC, PET Film 40um – 150um. |
Maximum unwind diameter | Φ800 mm |
Maximum rewind diameter | φ600 mm |
Paper Core Diameter | 3’ 6’ for unwinder/3’ for rewinder(Standards) |
Maximum machine speed | 400 m/min |
Min. Slitting width | 30 mm |
Range of slitting width | 30 – 1300mm |
Unwinding motor | 4kw |
Traction motor | 3kw |
Rewinding motor | 5.5kw |
Total power | 12 kw |
Machine size | 2300 x 4200 x 2000mm |
Machine mass | 4000kg |
Machine colour | Milky white(also can according customer requirement ) |
Specification
Unwind unit | Structure ● Shaft-less unwinding material loading  ● Hydraulic roll material lifting  ● EPC lateral correction ● Automatic tension control by PLC program from Siemens Configurations ● Material roll width: 400-1300mm ● Maximum unwind diameter:φ800mm ● Unwinding controlled by servo motor  Features ● Shaft-less for easy material loading ● EPC for accurate no trim rewinding ● Tension by Magnetic powder clutch and PLC automatically calculates mother roll diameter, controlling the unwind tension. |
Traction system | Structure ● Servo motor drive ● Synchronized belt drive ● Photoelectric eyes for line position control ● Rubber nip roller, pressure adjusted by pneumatic regulator ● adopt import Bearing NSK  Specification ● Driving roll diameter 130mm ● Rubber roll diameter 100mm ● Rubber roll max pressure 200kg ● Driving roll length 1350mm ● Traction motor power 3kw Features ● Traction system, unwind and rewind tension independent ● Imported rubber roll and synchronization belt allows the driving accurate control ● Low noise ● Servo motor allows the drive and tension to be stable and precise transmission. |
Slitting Unit | ● Flat knife for slitting plastic films. ● Max. slitting speed 400 m/min ● Waste trim extractor  |
Rewind unit | ● Rewind with double slip air shaft, make the production more uniform and tidy ● Automatic tension control by PLC program ● Maximum rewind diameter:φ600mm ● Tension adopts servo motor and PLC automatic calculate the diameter, then control the tension; this makes the material tension control more accurate.  |
Material Unloading | ● Adjustable swing arm for material unloading.  |
Electrical and Electronic Components
Traction servo motor | DANMA,SHANGHAI |
Unwinding servo motor | DANMA,SHANGHAI |
Rewinding servo motor | DANMA,SHANGHAI |
Inverter | YASKAWA, JAPAN |
PLC | SIEMENS |
EPC | BIANFU CCD |
Man–machine face | WEINVIEW, TAIWAN |
Slippery-proof belt | GERMANY |
Electrical proportion valve | SMC,JAPAN |
Railway | THT,JAPAN |
Main pneumatic part | AIRTAC,TAIWAN |
Main Bearing | NSK,JANPAN |
Low-voltage apparatus | SCHNEIDER FRANCE |
