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Anilox Flexo Printing: How Cell Volume Affects Ink Transfer Quality

Anilox Flexo Printing: How Cell Volume Affects Ink Transfer Quality

Anilox Flexo Printing: How Cell Volume Affects Ink Transfer Quality

In flexographic printing, the anilox roller plays a crucial role in controlling how much ink reaches the printing plate — and ultimately, the substrate.
Among all technical parameters of an anilox roller, cell volume (measured in cm³/m²) is one of the most important factors that determine ink transfer, color strength, and print quality consistency.

This article explains how anilox cell volume influences printing results and how to choose the correct specification for your production needs.


 

What Is Cell Volume in an Anilox Roller?

The cell volume of an anilox roller refers to the amount of ink that each engraved cell can hold and release during printing.
It is usually expressed in cubic centimeters per square meter (cm³/m²) and depends on the engraving geometry, cell depth, and cell opening size.

In short:

Higher cell volume = more ink transfer
Lower cell volume = thinner ink film, sharper details

For example:

  • A 10 cm³/m² roller might be suitable for white or heavy coatings.

  • A 3–4 cm³/m² roller would fit fine text or halftone graphics.


 

 

How Cell Volume Affects Ink Transfer and Print Quality

 

1. Ink Density and Color Strength

Higher cell volume means the roller carries more ink, resulting in stronger color density.
However, excessive ink transfer can cause dot gain, smudging, or uneven density.

On the other hand, if the cell volume is too low, the print may look faded or under-inked, especially on absorbent substrates.

 

2. Print Detail and Sharpness

A smaller cell volume (and higher line screen) helps maintain fine image details.
This is why flexo anilox rollers used for labels or high-definition packaging often use volumes around 2–3 cm³/m² with 800–1200 LPI.

 

3. Ink Type and Viscosity

Different inks interact differently with cell volume:

  • UV inks require shallower cells due to high viscosity.

  • Water-based inks work better with medium-depth cells for stable flow.

  • Solvent inks can use deeper cells without overflow.

Choosing the wrong cell volume may lead to inconsistent color, poor release, or drying issues.


 

 

Choosing the Right Cell Volume for Your Application

Selecting the right cell volume depends on multiple factors:
        Printing type (line, process, solid, coating)
        Ink system (UV, water-based, solvent-based)
        Substrate (film, paper, foil, corrugated board)
        Press speed and anilox-to-plate pressure

 

Here’s a general guideline:

Printing Application Typical Line Count (LPI) Recommended Cell Volume (cm³/m²)
Coating / Varnish 200–400 8–12
Solid Printing 400–600 5–8
Process / Halftone Printing 600–1000 2–4
High-Definition Label Printing 1000–1200 1.5–2.5

 

 

JCTPRINT’s Precision Anilox Rollers for Flexo Printing

At JCTPRINT, we manufacture ceramic anilox rollers and sleeves engineered for optimal ink transfer and durability.
Using Oerlikon Metco ceramic coating and ALE laser engraving technology, our rollers deliver:

  • Stable and uniform cell structure

  • Consistent ink release

  • Excellent wear resistance and cleaning performance

  • Customizable line count and cell volume for every press type

Whether you need an anilox for flexo printing, coating, or corrugated applications, JCTPRINT provides tailored solutions to match your ink and substrate.


 

 

Conclusion

The cell volume of an anilox roller is a key variable in achieving the right ink density, color balance, and print sharpness.
Understanding this relationship helps printers minimize waste, reduce downtime, and produce consistent results.

Choose your anilox roller wisely — and rely on precision engineering to make every print count.

To learn more or request a technical recommendation, contact JCTPRINT today.

 

Email: [email protected]
Website: www.jctprinting.com

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