Converters evaluating a Stack type flexo printer often want the accessibility of a stacked deck layout without the registration drift of a conventional line-shaft drive. The full servo configuration takes the proven mechanical design of a Stack flexographic printer and replaces the mechanical line shaft with independent AC servo motors on every plate cylinder, anilox roll, and impression cylinder. Compared with a traditional Stack type flexographic printing machine, this architecture removes backlash, reduces gear wear, and allows each print deck to adjust its position in real time. Because each servo axis stores its own position reference, press operators can load a saved recipe and move directly to the recorded print pressure and register settings. The short web path between stacked decks also reduces the distance over which tension variations can build, which is particularly useful for extensible films and thin papers. The result is a digitally synchronized Stack flexo press that holds register accuracy at high speed, cuts setup waste, and makes short-run production more profitable.
The Full servo stack flexo printer is engineered for converters running flexible packaging, labels, paperboard, and specialty substrates. It is available with 2 to 10 color stations and supports web widths from 600 mm to 1600 mm. Each print station uses independent servo motors for the plate cylinder, anilox roll, and impression roller, enabling automatic pre-registration, closed-loop register correction, and recipe-based job recall. The machine reaches a maximum mechanical speed of 200 m/min and maintains production speed up to 160 m/min depending on substrate, ink type, and drying capacity. The servo-controlled impression rollers can be programmed to kiss-print or apply controlled pressure on demanding substrates, reducing dot gain and extending plate life. Each deck can be individually locked out when not in use, so operators can run fewer colors with the same machine. A touchscreen HMI stores printing pressure, register values, and dryer temperatures for fast changeovers on repeat orders. The chamber doctor blade system keeps ink density stable, while the cast iron side frames and precision-ground rollers reduce vibration and deflection. Closed-loop tension control with load cells protects thin films such as BOPP, PE, and PET from stretching. The drying system can be configured with hot air, IR, UV, or a combined hot air plus IR tunnel, and dryer length can be extended to match higher-speed requirements. For flexible film applications, a corona treater and web guide can be integrated before the first print station. The central control system monitors motor torque, bearing temperature, and tension values in real time, and alerts operators before a fault causes downtime. The machine can also be equipped with a video inspection system that continuously checks register and color density, and an automatic wash-up system that reduces cleaning time between jobs.
Technical specifications
Standard configuration and optional modules
Model range
| Model | Web width | Color stations | Max speed | Repeat range | Unwind/rewind diameter |
|---|---|---|---|---|---|
| FS-660 | 600 mm | 2–8 | 200 m/min | 300–600 mm | 800 mm |
| FS-880 | 800 mm | 2–10 | 200 m/min | 300–700 mm | 1000 mm |
| FS-1100 | 1000 mm | 2–10 | 180 m/min | 350–800 mm | 1000 mm |
| FS-1300 | 1200 mm | 2–10 | 180 m/min | 350–800 mm | 1200 mm |
| FS-1600 | 1400–1600 mm | 2–10 | 150 m/min | 400–800 mm | 1200 mm |
