Flexo Press Plate Cylinder Maintenance

A unit-type flexo press is a type of printing press used in the flexographic printing process. It is designed with modular units that can be combined and configured according to specific printing requirements. Each unit of the press consists of various components, such as a plate cylinder, anilox roller, inking system, and impression cylinder, which work together to transfer ink onto the printing substrate.

Advantages of Unit-Type Flexo Press

1. Versatility: Unit-type flexo presses offer great flexibility and versatility in printing applications.
2. High Printing Quality: Flexo presses have made significant advancements in recent years, achieving excellent print quality comparable to other printing methods.
3. Speed and Efficiency: Unit-type flexo presses are known for their high production speeds.
4. Cost-Effectiveness: Flexo printing, including unit-type flexo presses, is generally considered a cost-effective solution for medium to high-volume printing.
5. Wide Substrate Compatibility: Unit-type flexo presses are compatible with a variety of substrates, including paper, cardboard, films, labels, and flexible packaging materials.
6. Environmentally Friendly: Flexo printing, including unit-type flexo presses, has made significant strides in reducing environmental impact.
7. Inline Finishing Options: Unit-type flexo presses can be equipped with various inline finishing options.
8. Continuous Innovation: The flexographic printing industry is continuously evolving, with ongoing advancements in technology, materials, and processes.

Working Principle of Unit-Type Flexo Press

The unit-type flexo press consists of various components that work together to transfer ink onto the printing substrate. These components include:

1. Plate Cylinder: The unit-type flexo press has a plate cylinder with a flexible printing plate attached to it.
2. Inking System: Anilox rollers transfer ink to the plate cylinder.
3. Impression Cylinder: The impression cylinder receives the substrate to be printed.
4. Drying System: After the ink is transferred to the substrate, a drying system is employed to evaporate solvents or cure the ink.
5. Repeatable Units: Unit-type flexo presses are designed with repeatable units, which can be combined to achieve multi-color printing.

Applications of Unit-Type Flexo Press

The unit-type flexo press is widely used in various industries for printing on different materials. Some of the common applications include:

1. Flexible Packaging: Unit-type flexo presses are commonly used for printing on flexible packaging materials, such as plastic films and laminates.
2. Corrugated Packaging: Flexo presses are widely employed for printing on corrugated cardboard used in packaging boxes and containers.
3. Labels and Tags: Flexo presses are preferred for printing labels and tags used in various industries, including retail, logistics, and manufacturing.
4. Folding Cartons: Unit-type flexo presses are utilized for printing on folding cartons, commonly used in the packaging of consumer goods, cosmetics, pharmaceuticals, and other products.
5. Paper Products: Flexo presses are suitable for printing on a wide range of paper products, including newspapers, magazines, catalogs, books, and stationery.

How to Choose a Unit-Type Flexo Press?

When choosing a unit-type flexo press, it is important to consider the following factors:

1. Printing Requirements
2. Flexibility and Customization
3. Print Quality and Registration
4. Production Speed and Efficiency
5. Substrate Compatibility
6. Inking and Drying Systems
7. Support and Service
8. Budget and Return on Investment
9. Industry Reputation and Reviews
10. Future Expansion and Upgrades

Possible Problems and Solutions

During the use of a unit-type flexo press, some problems may occur, such as:

1. Ink Smearing or Blurring: Ensure proper ink viscosity and consistency, adjust the doctor blade pressure, verify that the anilox roller is clean, check for excessive plate wear or damage, and optimize drying parameters.
2. Registration Issues: Verify that all mechanical adjustments are properly calibrated, check for worn or damaged gears, cylinders, or rollers, ensure the plate cylinder and substrate tension are correctly set, align the printing plates accurately and securely, and regularly clean and maintain the registration sensors and control systems.

Installation and Maintenance

A unit-type flexo press requires proper installation and maintenance to ensure optimal performance and longevity. Here are some guidelines:

Installation

1. Site Preparation
2. Unpacking and Assembly
3. Electrical and Control System Setup
4. Testing and Calibration

Maintenance

1. Regular Cleaning
2. Lubrication
3. Inspection and Replacement

About EVER-POWER

EVER-POWER is a professional factory that specializes in the manufacturing of flexo presses.

EVER-POWER is based on the transformation and application of aerospace optoelectronic technology, relying on precision machining and manufacturing capabilities. Dedicated to the research and development of printing and packaging equipment, precision coating equipment, and special electromechanical equipment.

EVER-POWER has a core technology group including tension system coupling modeling and decoupling control technology, equipment intelligent control technology, precision coating composite technology, high-speed high-definition printing technology, coating curing and solvent residue control technology, and multi material adaptive winding technology.

EVER-POWER has obtained ISO9001:2015 international quality system certification, SGS certification, and EU CE safety certification, and has a complete after-sales service system.

We produce high-quality flexo presses that can replace other brands’ products. Explore and buy our products to improve your printing and packaging processes.

Contact us for more information on our products and services.

Questions and Answers

1. What is a unit-type flexo press?

A unit-type flexo press is a type of printing press used in the flexographic printing process. It is designed with modular units that can be combined and configured according to specific printing requirements.

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

The advantages of a unit-type flexo press include versatility, high printing quality, speed and efficiency, cost-effectiveness, wide substrate compatibility, environmentally friendly, inline finishing options, and continuous innovation.

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

The common applications of a unit-type flexo press include flexible packaging, corrugated packaging, labels and tags, folding cartons, and paper products.

4. How to choose a unit-type flexo press?

When choosing a unit-type flexo press, it is important to consider factors such as printing requirements, flexibility and customization, print quality and registration, production speed and efficiency, substrate compatibility, inking and drying systems, support and service, budget and return on investment, industry reputation and reviews, and future expansion and upgrades.

5. What are the possible problems and solutions when using a unit-type flexo press?

The possible problems when using a unit-type flexo press include ink smearing or blurring and registration issues. The solutions include adjusting ink viscosity and consistency, doctor blade pressure, and drying parameters, verifying cleanliness and wear of components, and regularly cleaning and maintaining the registration sensors and control systems.