What is a flexo printing machine? | Keshenglong&Shinko Guide

What is a Flexo Printing Machine?

Understanding flexographic printing is crucial for professionals in the packaging and label industries. This article clarifies what a flexo printing machine is, its workings, and its advantages, addressing common questions and pain points related to this technology.

How Flexographic Printing Works

A flexographic printing machine is a versatile tool used for high-volume printing of flexible materials like plastic films, paper, and foil. Unlike other printing methods, flexo printing uses flexible relief plates—essentially raised images—that transfer ink to the substrate (the material being printed). These plates are mounted on a rotating cylinder, which picks up ink from an inking system and then presses it onto the moving substrate. The process is repeated for each color. The speed and efficiency of a flexo press make it ideal for large-scale production runs.

Key Components of a Flexo Press

Several key components work together to achieve high-quality prints:

Printing Cylinders: These hold the flexible photopolymer plates. Precise cylinder registration is critical for accurate color alignment.

Inking System: Delivers the correct amount of ink to the printing plates, often incorporating sophisticated systems for color consistency and ink saving.

Impression Cylinders: Press the inked plates against the substrate, controlling the pressure for optimal print quality.

Drying System: Removes excess ink and ensures that inks are fully cured before the printed material is wound up. This might involve UV curing, hot air drying, or other methods.

Web Handling Systems: This includes unwind and rewind stands that manage the efficient movement of the substrate through the press.

Advantages of Flexo Printing

Flexo printing offers several benefits:

High Speed: Flexo presses can achieve very high printing speeds, ideal for mass production.

Versatile Substrates: It can print on a wide variety of flexible substrates.

Cost-Effective: Compared to other methods like gravure printing, flexo printing can be more cost-effective, especially for shorter runs.

High-Quality Printing: Modern flexo printing technology allows for achieving excellent print quality, with vibrant colors and sharp detail.

Keshenglong&Shinko: Your Partner in Flexo Printing

At Keshenglong&Shinko, we provide advanced flexographic printing solutions. Contact us today to discuss your printing needs.