In modern packaging and label converting, the choice of press architecture directly affects print quality, waste rates and job changeover time. The Gearless flexographic press eliminates the mechanical gear train that traditionally links plate cylinders to a common line shaft. Instead, each printing station is driven by independent AC servo motors, which allows operators to adjust repeat length, register and impression settings digitally. This same control philosophy defines the Full servo flexo press, where closed-loop feedback from each axis maintains stable color-to-color register during acceleration and long runs. Converters who need consistent output across food packaging, shrink sleeves, labels and paper cups increasingly choose a Full servo flexographic printing machine because it reduces mechanical wear, improves print contrast and supports quick sleeve changes. Moving to a Direct drive flexo press takes precision one step further: the plate cylinder, anilox roll and impression cylinder are coupled directly to their motors, removing backlash and vibration that can cause dot gain and mottling on film or board. These systems are engineered for high-speed production with less noise, fewer parts to maintain and faster setup between jobs, making them a practical choice for short-run flexible packaging, label printing and converter operations that must meet tight delivery windows.
The gearless flexo printing press line is built around a rigid cast iron main frame and modular print stations that can be configured from four to twelve colors. The servo-driven design supports infinitely variable repeat length within a given range, so a converter can move from a 12-inch repeat to a 30-inch repeat without changing gear sets. Plate sleeves and anilox sleeves are loaded from the operator side, and a pneumatic sleeve clamping system reduces mechanical changeover to a few minutes per station. An enclosed doctor blade chamber maintains stable ink delivery at speeds up to 250 meters per minute, while the impression system uses servo-controlled pressure with digital readout for repeatable dot transfer. For heat-sensitive films, a water-cooled central drum or chill rolls can be added; for UV inks, the press integrates LED-UV or conventional UV cassettes between stations. Web path options include automatic web guiding, double-sided corona treatment, web cleaning and a full-inspection camera system. The control architecture is based on a PLC with touch-screen HMI, recipe storage, remote diagnostics and data logging for color consistency reports. The modular base also accepts inline finishing units such as cold foiling, lamination, rotary screen, varnishing and die cutting, so converters can consolidate multiple steps into one continuous pass. Safety features include full guarding with interlocked doors, press stop circuits at each station and CE-compliant electrical design. Quick-clamp anilox carts and sleeve storage racks are placed near the print stations to reduce operator movement during job changes. The machine is shipped in modular sections and can be installed in a standard converting hall with a ceiling height of 4.5 meters or more. A central exhaust duct and chilled water supply are required for drying and cooling options. The HMI stores up to 500 job recipes, each containing repeat length, impression pressure, drying temperature and tension settings, so repeat orders reach stable color quickly.
Key configuration highlights
Main technical parameters
| Web width | 800 mm / 1,000 mm / 1,200 mm / 1,400 mm |
| Number of colors | 4 to 12 stations |
| Max mechanical speed | 300 m/min |
| Print speed range | 20 to 250 m/min depending on substrate and ink |
| Print repeat length | 300 to 800 mm |
| Register accuracy | ±0.05 mm |
| Printing pressure adjustment | Servo controlled, 0.01 mm resolution |
| Anilox sleeve diameter | 140 mm to 200 mm standard |
| Plate sleeve diameter | 140 mm to 450 mm standard |
| Substrate thickness | 12 micron film to 300 micron board |
| Unwind / rewind diameter | 600 mm / 800 mm / 1,000 mm |
| Unwind / rewind type | Turret or single reel with hydraulic lifting |
| Tension control range | Automatic, 0.5 to 50 kg/m |
| Drying system | Hot air up to 160°C, UV 120 to 240 W/cm, LED-UV |
| Electrical power | 3-phase 380V/50Hz or 220V/60Hz |
| Compressed air | 6 to 8 bar |
| Machine dimensions | Length 8 to 18 m, height 2,800 to 3,200 mm depending on configuration |
| Machine weight | 18 to 35 tons |
| Web guide accuracy | ±0.1 mm |
| Exhaust air volume | 6,000 m³/h per station |
| Sleeve change time | 3 to 5 minutes per color |
| Optional modules | Web cleaning, corona, viscosity control, camera inspection, cold foil, lamination |