Slitter rewinder double turret with automatic change,composed by :
MAIN FRAME
High thickness steel plate frames avoids vibrations at high speed
1 Euro drive AC main motor with Eurotherm vectorial inverter for main calander and knife system
1 rubbered main drive roll with nip-roll
carrying rollers with hard surface treatement
dynamic balancing of all rollers at max mechanical speed ( 500 m/min )
1 bowed roller placed before the nip-roll / cutting system
SLITTING GROUP
Rotating knives cutting system
nr.18 knife/counterknife groups
counterknives 5 mm pitch for easy setting of cutting measures
cantilevered counterknife shaft for easy positioning of counterknives
TRIM EXAUSTER
Venturi aspiration system with kW2,2 silenced ventilator
2 suction holes diameter 60 for trim removal with metallic flexible conducts
REWINDING STATION
2 turret with 2 shaft each turret
2EuroDrive AC motor with Eurotherm vectorial inverters for frictioned differential rewinding shafts
4 rewinding differential shafts with expanding balls elements for 3” cores
pneumatic tension control on rewinding shafts
2 proportional valves for pressure adjousting of the differential shafts
automatic adjousting of the tension
caratheristic in relation to rewinded diameter
automatic changing cyclus with stop at metrage, turrets rotation, trasversal cut and automatic restart
10 laser light system for easy positioning of rewinding cores, each laser sign the position of 2 cores
unloading system with electrical reel pusher
sliding reels out from shafts and rotating device hydraulically operated that receive on 2 shafts the slided reels and place them to a comfortable hightness for operator
LAYON ROLLERS
lay on roller system in rewinding
nr. 6 couple of roller holders with 76 mm rollers support
pneumatic system for the pression of lay on rollers against the rewinded rolls with pressure regulators
2 rubbered layon rollers L=1500
UNWINDER
Separate shaft-less unwinder for 100 cm max diameter rolls
servoventilated double disk brake
automatic control of the film tension in unwinding by dancing roller with pneumatic cylinders
Proportional valve for pressure control of dancing roller cylinders
pneumo mechanic expanding chucks for 3” cores
hydraulic lifting from ground
EDGEGUIDE
unwinder lateral moving +50/-50 mm ( total 100 mm )
digital edgeguide FIFE
photocell sensor detecting edge of film or printed line
ELECTRICALS
Eurotherm vectorial inverters for main and rewinding motors
Electronic control of the speed of rewinding motors in relation of the rewinded diameter mantaining the right overspeed of the rewinding shaft in relation of the caratheristic
Electronic control of the tension in rewinding in relation of the rewinded diameter
Touch panel operator interface for metercounter , tachometer, automatic cyclus, friction and brake digital settings, machine parameters
parameters memory with automatic preset of selected jobs
electric material of primary suppliers
CONFORMITY
safety devices
instruction manual
CE certification
COLOUR
white RAL 7032
TECHNICAL DATA :
Max speed: 500 m/min. in relation to the job and type of film
Mother roll
MAX DIAMETER : 1000 mm.
MAX WIDTH: 1500 mm.
CORE DIAMETER: 3”
Finished reels:
MAX DIAMETER: 650 mm.
CORE DIAMETER: 3”
OPTIONALS :
2 high efficacy antistatic bars with antishock feeder
splice table with 15° groove
Overprice for tension control with Euro Drive motor and regenerative vectorial inverter Eurotherm
4 frictioned differential shaft for 6” cores
kit of autoexpanding balls elements for 70 mm cores for differential shafts
RECOMMENDED SPARE PARTS:
Kit bladder and air tube for rewinding shaft
Circular knife
1 set of timing belts
1 speed potentiometer
1 diameter sensor
1 electrovalve 5/2
1 electrovalve 3/2
1 I/P trasducer
1 set of brake pads
1 bottle of brake oil