A 6-color CI (Central Impression) Flexo Printing Machine is a type of flexographic printing press that uses a central impression cylinder to print multiple colors on a flexible substrate, such as paper, plastic, or film. The central impression design allows for precise registration and consistent print quality.
1. Central Impression Design:
The central impression cylinder is a large rotating drum that supports the flexible substrate. The printing stations are arranged around this central cylinder, and each station applies a different color to the substrate.
2. 6-Color Configuration:
A 6-color CI flexo printing machine has six printing stations, each equipped with a printing plate and ink system. These stations can apply six different ink colors to the substrate, allowing for full-color printing.
3. Printing Stations:
Each printing station consists of an anilox roller, a doctor blade, and a printing plate cylinder. The anilox roller transfers a controlled amount of ink to the printing plate, which then transfers the ink to the substrate. The doctor blade ensures precise ink metering.
4. Inline Drying Systems:
CI flexo printing machines often include inline drying systems to quickly dry the printed ink between color stations. These drying systems may use heat, air, or UV lamps, depending on the ink and substrate used.
5. Substrate Handling:
The flexible substrate is fed into the machine from a roll and guided through the printing stations by tension control and registration systems. The central impression cylinder ensures consistent registration of colors across the substrate.
6. Automatic Registration Control:
Modern CI flexo printing machines are equipped with automatic registration control systems. These systems continuously monitor and adjust the positioning of the printing plates to maintain precise registration throughout the print run.
7. Variable Printing Speeds:
CI flexo printing machines allow for variable printing speeds to accommodate different substrates and printing requirements. The ability to adjust the speed ensures optimal print quality and productivity.
8. Quick Job Changeovers:
CI flexo presses are designed for quick job changeovers. This includes features like fast plate mounting systems and easy adjustments to minimize downtime between different printing jobs.
9. Computerized Controls:
These machines are often equipped with computerized controls for setting and monitoring print parameters, including ink density, registration, and drying conditions. This enhances precision and repeatability.
10. Applications:
- CI flexo printing machines are used for various applications, including flexible packaging, labels, corrugated boxes, and other printed materials. The ability to print multiple colors makes them suitable for high-quality graphics and designs.
Video Introduction
The following is the workflow of 6 color gearless flexo printing press.
The following is the workflow of 6 color ci flexo printing machine.
