CI flexo printing machine for plastic film

Plastic film printing demands fast drying, precise registration, and stable tension control. That is why many converters start their search with a high speed CI flexo printing machine when run lengths climb and delivery windows tighten. For lines that must handle wider rolls, a wide web CI flexo printing machine provides the extra print width without losing the central impression advantage. When the product mix moves into pouches, wraps, and barrier films, a CI flexo printing machine for flexible packaging becomes the practical choice for fast job changeovers and repeatable color. Some operations also process board or label stock, so a CI flexo printing machine for paper can share the same CI drum platform across different materials. The CI flexo printing machine for plastic film described here is purpose-built to combine these strengths for thin-film converters, with an optimized dryer layout and a compact footprint.

The CI flexo printing machine for plastic film uses a robust central impression cylinder with a chrome-plated surface and independent servo motors on each print deck. This architecture keeps the web path short between colors, which is critical when running extensible films such as LDPE, CPP, or stretchable poly. The press is supplied with pre-registration software, automatic deck positioning, and a touchscreen control system that stores job recipes for repeat runs. A closed-loop tension control package handles rapid acceleration and deceleration without wrinkles, neck-in, or edge flutter. The short web path between inking units also minimizes dot gain and halo effects on fine text, while the servo-driven decks allow each color to be phased from the main control panel without stopping the press. Because the central drum is temperature controlled, the substrate remains dimensionally stable even when running heat-sensitive BOPP or shrinkable films.

Key build specifications are listed below:

• Central impression drum: 1,500 mm diameter, precision ground and chrome plated
• Printing width: 800 mm, 1000 mm, 1200 mm, or 1400 mm depending on model
• Color decks: 4, 6, 8, or 10 stations with quick-change sleeve system
• Maximum mechanical speed: 320 m/min; production speed up to 280 m/min on film
• Repeat length range: 300 mm to 800 mm standard; extended 1000 mm available
• Substrate compatibility: BOPP, PET, PE, CPP, LDPE, nylon, and paper from 12 μm to 150 μm
• Ink system: enclosed doctor chamber, water-based or solvent-based inks
• Drying system: high-efficiency hot air dryers with manual or automatic temperature control
• Registration accuracy: ±0.1 mm longitudinal and transverse
• Unwind/rewind diameter: 800 mm standard, 1000 mm optional
• Drive system: gearless servo motors on each deck for precise tension and print quality
• Web guide system: automatic edge guiding with ultrasonic sensor
• Doctor blade system: enclosed chamber with quick-change cartridge
• Tension range: 20-100 N, automatically adjusted by load cell rollers
• Dryer temperature: up to 150°C, with independent airflow adjustment per color

The following table shows standard model options for production planning:

All deck assemblies use enclosed doctor chambers for consistent ink transfer, and the drying system combines infrared pre-heating with high-velocity hot air nozzles. This allows the CI flexo printing machine for plastic film to maintain full color density at production speed on both clear and metallized substrates. Options include rotary die cutting, slitting, lamination unwind, and static elimination systems for clean room packaging lines. For converters running PE-based packaging films, the optional corona treater improves surface energy and ink adhesion in the same pass. The central drum temperature control and automatic wash-up cycles also reduce downtime between short-run jobs.