LESKO CF380

LESKO CF380 is a modern and compact construction used for post digital printing refinement of labels. The main advantage of this structure is its clever design which combine many functions in compact frame of machine.

Machine can be used for:

• 1 colour printing
• varnishing
• lamination
• coldfoiling
• die cutting
• slitting
• rewinding

TECHNICAL DATA:

• max. web width                                                             380 mm
• max. speed                                                                     200 m/min
• max. speed (printing)                                                  120 m/min
• max. speed (semi-rotary die cutting)                       90 m/min
• max. speed (rotary die cutting)                                 160 m/min
• max. unwinding diameter                                           Ø 650 mm
• max. rewinding diameter                                            Ø 650 mm

control:

• Mitsubishi microprocessor control
• control panel with colour touchscreen 7” placed on movable arm
• control panel on flexo unit

motors:

• electromagnetic powder brake on unwinder
• AC motor - the main drive
• servo motor on die cutting unit
• servo motor on rewinder

optional:

• servo motor on printing unit

sensors:

• current meters and labels electronic counter  
• ultrasonic sensor of the roll's end

optional:

• ultrasonic sensor for transparent labels
• sensor for detecting the flags / splices

UNWINDING UNIT:

• max. roll's diameter: 650 mm
• electromagnetic powder brake
• pneumatic shaft Ø 76 mm
• BST International web guide system
• splice table equipped with pneumatic clamps
• ultrasonic sensor of current roll's diameter

FLEXO UNIT:

• max printing width: 370 mm
• lateral shift adjustment: +/- 7 mm
• longitudinal shift adjustment: +/- 7 mm
• max printing speed: 120 m/min
• unit equipped with: inkwell, dipping roller, doctor blade
• anilox (parameters to be agreed)
• printing cylinder (parameters to be agreed)
• drying system: IR / hot air dryer or UV dryer (UV Ray or GEW) or UV LED dryer

COLD-FOIL AND LAMINATION UNIT (OPTION):

• driven by powder brake and clutch
• max. unwinding diameter: 300 mm
• max. rewinding diameter: 300 mm
• rubber pressure roller
• peeling off system after cold-foil

SEMI-ROTARY DIE CUTTING UNIT LESKO 2020:

• equipped with Mitsubishi iQ-R servo register system for die cutting of preprinted labels
• max. working width of cylinder: 380 mm
• magnetic cylinder (1 pc.): 192T; 1/8"
• max. speed (semi-rotary die cutting)                       90 m/min
• max. speed (rotary die cutting)                                 160 m/min
• precision: +/- 0,2 mm
• hydraulic pressure control system Lesko KDW-4 with two gauges
• top loaded magnetic cylinder
• special system which enable to lift up the magnetiic cylinder without a hoist in case of fast flexible die change
• automatic prepregister system for easy and fast set up of new job
• waste matrix rewinder with mechanical 76 mm shaft and manual tension control for roll's up to 500 mm diameter

NIP-ROLLER UNIT:

• pneumatically clamped and easy removable rubber roller ensures even pressure across the entire web’s width and even tension across entire web’s length

SLITTING UNIT:

• for 2G shear cutting knives
• mechanically clamped knive's shaft
• 3 sets of knives as a standard
• min. cutting width: 20 mm
• easy to remove knives
• interchangeable knives system: shear cutting and razors available in the same unit

REWINDING UNIT:

• pneumatic clamp to hold the web's end when machine stops
• pneumatic shaft: Ø 76mm (1 pc.)
• automatic correction of rewinding tension
• adapted to rewind the entire roll from the unwinder
• max. rewinding diameter: Ø 650 mm