In high-speed label and flexible packaging converting, a gearless flexo printing press delivers the highest register stability by eliminating mechanical gear backlash. Our engineering team has refined the full servo flexo press concept to give every print deck its own digitally controlled AC servo motor, allowing precise speed and phase adjustment on the fly. For converters producing shrink sleeves, self-adhesive labels, and flexible packaging, the full servo flexographic printing machine configuration reduces setup waste by storing repeatable job recipes. The direct drive flexo press architecture further isolates each print unit, which minimizes vibration and improves dot sharpness on screens as fine as 175 lpi. The complete system includes a servo-driven unwind with flying splice capability, a web cleaner, corona treater, and a downstream sheeter or die-cutting unit when required. These features make the platform suitable for short-run production as well as long repeat jobs. The following list highlights the main performance advantages:
The Model G-500 is built on a cast-iron base frame with thermally stable side walls, keeping deflection below 0.02 mm under full load. Its operator interface uses a 15-inch touchscreen with recipe management, job queue, and remote diagnostics. The machine supports quick-change anilox and plate sleeves, and the cantilever drum design allows one person to handle the entire changeover without overhead cranes. A servo-driven re-register system automatically compensates for web elongation on heat-sensitive films. Each station is equipped with a high-resolution linear encoder that feeds position data back to the motion controller every 0.5 ms, resulting in smooth acceleration and deceleration without tension spikes. The main control cabinet uses water-cooled servo drives, reducing heat load in the production hall. The table below provides the core technical parameters for standard configurations.
| Parameter | Specification |
|---|---|
| Model | Model G-500 |
| Printing width | 850 / 1,050 / 1,250 mm |
| Color stations | 8 / 10 / 12 |
| Repeat length range | 300 – 800 mm |
| Maximum mechanical speed | 320 m/min |
| Maximum printing speed | 280 m/min |
| Register accuracy | ±0.05 mm longitudinal and lateral |
| Substrate thickness | 12 – 250 µm |
| Substrate types | BOPP, PE, PET, PVC, paper, shrink film, laminate |
| Drive system | Independent AC servo motors per deck, 2.5 kW each |
| Anilox sleeve | Ceramic-coated, 60 – 1,200 lpi, quick-change |
| Plate sleeve | Air-mandrel type, 0.5 mm run-out tolerance |
| Drying system | Hot air or UV-LED interstation and tunnel |
| Unwind/rewind diameter | 1,000 mm standard, 1,200 mm optional |
| Web guide | Ultrasonic edge sensor with digital controller |
| Electrical supply | 380 – 440 V, 50/60 Hz, 3-phase |
