How is Web Tension Consistency Achieved in a Unit-Type Flexo Press?

A unit-type flexo press is a modular printing press used in the flexographic printing process. It consists of various components, such as a plate cylinder, anilox roller, inking system, and impression cylinder. Together, these components transfer ink onto the printing substrate and create a high-quality print. In this article, we will discuss the various aspects of a unit-type flexo press, including its advantages, working principle, applications, maintenance, and more.

Advantages of Unit-Type Flexo Press

1. Versatility

Unit-type flexo presses offer great flexibility and versatility in printing applications. The modular design allows for easy customization and configuration of the press based on the desired printing process, substrate, and colors required. This adaptability makes it suitable for a wide range of industries and products.

2. High Printing Quality

The unit-type flexo press provides precise control over ink transfer, registration, and color consistency, resulting in sharp, vibrant, and high-resolution prints.

3. Speed and Efficiency

Unit-type flexo presses are known for their high production speeds, making them suitable for large-scale printing operations. Additionally, quick setup times and fast changeovers between jobs contribute to improved efficiency and reduced downtime.

4. Cost-Effectiveness

Unit-type flexo presses are generally considered a cost-effective solution for medium to high-volume printing. The presses utilize flexible printing plates, which are more affordable compared to other plate types. Additionally, the ability to print on a wide range of substrates reduces the need for additional printing processes, resulting in cost savings.

5. Wide Substrate Compatibility

Unit-type flexo presses are compatible with a variety of substrates, including paper, cardboard, films, labels, and flexible packaging materials. This versatility allows for printing on different materials, expanding the range of applications and market opportunities.

6. Environmentally Friendly

Water-based and UV-curable inks are commonly used in flexo printing, which have lower volatile organic compound (VOC) emissions compared to traditional solvent-based inks. Additionally, advancements in energy-efficient drying systems contribute to sustainability efforts.

7. Inline Finishing Options

Unit-type flexo presses can be equipped with various inline finishing options, such as laminating, die-cutting, embossing, and varnishing. This eliminates the need for separate post-printing processes, reducing production time and costs.

8. Continuous Innovation

The flexographic printing industry is continuously evolving, with ongoing advancements in technology, materials, and processes. Unit-type flexo presses benefit from these innovations, allowing printers to stay competitive and meet the changing demands of the market.

Working Principle of Unit-Type Flexo Press

The unit-type flexo press consists of several components, each playing a crucial role in the printing process. The plate cylinder holds the image or artwork to be printed, and the inking system transfers ink to the plate cylinder. The impression cylinder receives the substrate to be printed and presses it against the plate cylinder, allowing the ink to transfer onto the substrate. After the ink is transferred, a drying system is employed to evaporate solvents or cure the ink. Each unit of the press consists of a plate cylinder, anilox roller, inking system, and impression cylinder, which work together to achieve high-quality prints.

Applications of Unit-Type Flexo Press

Unit-type flexo presses are suitable for a variety of printing applications, including:

1. Flexible Packaging

Printing on flexible packaging materials, such as plastic films and laminates, for food packaging, pouches, bags, wrappers, and labels.

2. Corrugated Packaging

Printing on corrugated cardboard used in packaging boxes and containers for various products.

3. Labels and Tags

Printing labels and tags used in various industries, including retail, logistics, and manufacturing.

4. Folding Cartons

Printing on folding cartons used in the packaging of consumer goods, cosmetics, pharmaceuticals, and other products.

5. Paper Products

Printing on a wide range of paper products, including newspapers, magazines, catalogs, books, and stationery.

Maintenance of Unit-Type Flexo Press

To ensure optimal performance and longevity of the unit-type flexo press, regular maintenance and cleaning are essential. Proper lubrication, inspection, and replacement of parts are crucial to prevent issues that can affect print quality and production efficiency.


EVER-POWER is a professional manufacturer of flexographic printing presses, specializing in precision machining and manufacturing capabilities. EVER-POWER’s products include printing equipment, precision coating equipment, new energy and new material production lines, complete sets of water treatment film materials production lines, complete sets of decorative materials production lines, intelligent production lines, and precision processing businesses. The company has obtained ISO9001:2015 international quality system certification, SGS certification, and EU CE safety certification, and has a complete after-sales service system.

Questions and Answers

1. How does a unit-type flexo press achieve high-quality prints?

A unit-type flexo press achieves high-quality prints by providing precise control over ink transfer, registration, and color consistency.

2. What are the advantages of using a unit-type flexo press?

Unit-type flexo presses offer great flexibility, high printing quality, speed, efficiency, cost-effectiveness, wide substrate compatibility, environmental-friendliness, inline finishing options, and continuous innovation.

3. What are the common applications of a unit-type flexo press?

Unit-type flexo presses are suitable for printing on flexible packaging, corrugated packaging, labels and tags, folding cartons, and paper products.

4. How can you maintain a unit-type flexo press?

Regular cleaning, lubrication, inspection, and replacement of parts are crucial to ensure optimal performance and longevity of the unit-type flexo press.

5. Why should you choose EVER-POWER’s flexographic printing presses?

EVER-POWER’s flexographic printing presses offer high-quality, precision, advanced technology, and a complete after-sales service system. EVER-POWER’s products are a cost-effective and reliable alternative to other brands in the market.