Flexo printing machine (Roll to roll)
VALLIS S10 is a high quality stack type gearless flexographic printing machine with automatic register control. It is a flawless combination of advanced technological, mechatronical, electronic and software solutions. Complete electronic control, motors, drives and register control are realised with high-end integrated SIEMENS platform.
Numerous engineering innovations have been implemented for the first time on this model in cooperation with Siemens Application Center for printing technology from Erlangen, Germany. All printing, anilox and impression cylinders are driven by separate servo motors.
On-site visits can be arranged with S10 at full exploatation available for full inspection, where you can hear first-hand user experience from the operators working on this machine.
S10 - stack type gearless flexographic printing machine
| Number of colours: | 4 - 8 (10) | |
| Web widths: | 420 – 1520 mm | |
| Print repeat: | 270 (350) mm to 800 mm | |
| Mechanical speed: | 300 m/min | |
| Max. reel diameter on unwinder/rewinder: | 1200 / 1200 mm | |
| Inks: | 1200 / 1200 mm |
Rewinding unit
Roll diameter up to 1200mm.
Pneumatic expanding shafts for core diameters of 76mm and
152mm.
Servo driven unwinder perfectly maintains compensation
roller in reference position (measured by precise linear magnetic encoder).
Digital tension setpoint via I/P proportional pressure
valve.
Web break detection.
web edge guider (Unwinder)
Web edge guide system after unwinder, just before printing units .
Infeed
Web edge guide system after unwinder, just before printing units .
Printing units
Frame
High precision machined frame consisted of high thickness steel plates. Designed for single-sided printing with maximum number of 8 printing units.
Impression roller
Servo driven each impression (backpressure) roller.
Perfect synchronization of impression rollers provides result similar to central drum.
Plate roller
Servo driven each plate (printing) roller.
Side movement ±5mm.
Chrome surfaced steel shafts for ‘Sleeve’ quick change.
Linear ball guides for smooth and rigid plate cylinder movement.
Vibration-free mechanical print deck design.
Easy and quick plate bearing unlocking for sleeve change.
Sensors for safety locking.
Pre-register auto setting
Automatic pre-registration before job start.
Absoulte encoders on plate servo motors.
Automatic longitudinal register control
High-end BST-eltromat camera integrated in Siemens control system ensures perfect register control performance (in class with central drum press).
Flexible dot marks design.
Wasteless production after machine stop and start (without registration loss).
Software storage space for unlimited number of jobs.
Drying system
Separate units for air preparation in two different air circuits: inter-dryer (between printing decks) and horizontal tunel.
Automatic heating power regulation of electric heaters.
Automatic air flow control (frequency controlled fan speed) according to the production speed.
Outfeed
Servo driven outfeed roller.
Pressure adjustment for rubber nip roller.
Tensometric cell precise measurement of tension in printing section.
Servo controlled web tension force in printing section.
Web edge guide (rewinder)
Web edge guide system before rewinder.
Rewinder
Roll diameter up to 1200mm.
Pneumatic expanding shafts for core diameters of 76mm and 152mm.
Servo driven unwinder perfectly maintains compensation roller in reference position (measured by precise linear magnetic encoder).
Digital tension setpoint via I/P proportional pressure valve.
Web break detection.
Pressure roller for web flattening (adjustable air pressure).
Automatic ink viscosity system (for solvent inks)
Automatic ink viscosity control system for each color.
Vibration visco-sensors (without movable parts) – easy maintenance.
Ink filters (magnetic).
Web view
Single-chip motorized camera.
Touch-screen for control and monitoring of web view system.
Ink pumps
Double diaphragm air ink pumps.
Adjustable flow rates.
Automatic cleaning system
System for automatic cleaning cycle.
Cleaning of almost all ink influenced parts (doctor blade closed chamber, anilox roller, pipes, valves, viscometers…).
Operator controls
Industrial touch 19’’ PC for setting and supervision of whole machine.
User interface: synoptic machine diagram, diagnostics and alarm messages, parameters, storage of unlimited number of jobs.
Rugged design for maintenance-free, continuous operation. IP65 front protection.
High-quality robust SIEMENS mobile panel
Industrial security router for internet remote access (service and diagnostics).
16:9 aspect ratio and 16 million colors, the brilliant widescreen display provides clear, detail-rich visualization.
Remote service
Industrial mobile panel for easy settings around machine. IP65 protection. Solvent, dust and oil resistant.
Remote service
All electrical equipment from one manufacturer- SIEMENS (servo motors, servo regulators, controllers and control units, low-voltage equipment, industrial PC, mobile panels, register control system…).