What are the advantages of a unit-type (stack-type) flexographic printing press?
- 5 days ago
- 2 min read
paper cup /paper bag flexo printing machine
The core advantages of a unit-type flexographic press are exceptional flexibility and powerful inline finishing capability. Its modular design allows it to function like a customizable printing workstations, making it well-suited to today’s market demands for high-mix, low-volume, and fast-turnaround jobs.
Its advantages are mainly reflected in the following aspects:
🧩 High Flexibility, Multi-Function in One Machine
This is the most prominent feature of the unit-type flexo press.
Flexible number of color stations: Built with independent modular units, it supports from 2 to 12 or even more color decks, allowing users to configure according to actual needs.
Rich combination of processes: It can integrate printing, cold foiling, laminating, die-cutting, varnishing, and other processes on a single machine, achieving “one machine for multiple uses” and reducing handling and waiting time between different processes.
Supports duplex printing: By changing the web path with guide rollers, it can easily achieve two-sided printing in one pass.
Compatible with digital units: Advanced models can integrate digital printing units to realize a “flexo + digital” combination, which not only handles high-volume orders but also flexibly handles personalized jobs with a minimum order quantity of one.
⚙️ Excellent Print Quality and Efficiency
High precision and high speed: Modern unit-type flexo presses can reach speeds of up to 180 m/min, with registration accuracy controlled within ±0.05 mm. Combined with high-precision servo drives and closed-loop tension control, they effectively ensure stable print quality.
Easy setup: Intelligent control systems enable “register on start-up” and automatic mark-following registration and real-time compensation during printing. This greatly shortens preparation time and reduces material waste during setup.
Efficient plate changes: Technologies such as sleeve-type plate cylinders and gearless servo drives make plate changing quick and convenient.
💰 Significant Overall Cost Effectiveness
Reduced material and labor costs: Quick setup and precise registration effectively reduce waste. The powerful automated inline capability also reduces dependence on manual labor.
Use of environmentally friendly inks: Unit-type flexo presses widely use water-based inks and UV inks, which contain little or no VOCs (volatile organic compounds), making them more environmentally friendly and safer.
Energy and consumable savings: Optimized ink distribution systems reduce ink consumption, while technologies like EB (electron beam) curing further improve curing speed and lower energy consumption.
🌍 Wide Range of Applications
Thanks to the above advantages, unit-type flexo presses are used in a very broad range of applications, covering almost all major packaging and printing fields.
Label printing: self-adhesive labels, in-mold labels, pharmaceutical labels, etc.
Flexible packaging: food packaging bags, beverage packaging, personal care packaging, etc.
Paper-based packaging: cartons, pre-printed corrugated boxes, paper bags, etc.
Special sectors: also widely used in industries closely related to daily life, such as food, pharmaceuticals, and consumer goods.
In summary, the strength of the unit-type flexographic press lies in its high flexibility and powerful integration capability. Although compared with central-impression (CI) flexo presses, it has disadvantages such as larger floor space and longer web path, its overall cost-effectiveness is outstanding in the short-to-medium run market where quick job changes and multiple process combinations are required.
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