Our Flexo & Digital Label Printing Process

Flexo Label Printing Process

Keep your custormers hooked from the moment they lay their sights on your product

1Pre-Press Preparation

Design and Artwork

The process begins with creating the design and artwork for the label. This includes selecting colors, fonts, images, and other design elements. The design is then converted into a format suitable for flexographic printing.

Plate Making

The design is transferred to a photopolymer plate, which will be used to transfer the ink to the substrate. These plates are made using digital imaging technology to ensure precision and accuracy.

Plate Mounting 2

Mounting Plates on Cylinders

The photopolymer plates are mounted onto the printing cylinders. Proper alignment is crucial to ensure accurate print registration.

Setting Up Anilox Rollers

Anilox rollers, which transfer the ink to the printing plates, are installed. The roller's surface is engraved with tiny cells that control the amount of ink transferred.

3 Inking System

Ink Preparation

Flexo inks, which can be water-based, or UV curable, are prepared. The choice of ink depends on the substrate and the end-use of the labels.

Inking the Plates

The ink is transferred from the ink chamber to the anilox roller, which then transfers a precise amount of ink to the printing plate.

Substrate Handling4

Loading the Substrate

The substrate, which can be paper, film, or foil, is loaded onto the press. It is crucial to ensure that the substrate is compatible with the inks and the printing process

Web Tension Control

The tension of the substrate is carefully controlled to ensure smooth and accurate printing. Any fluctuations in tension can lead to misalignment and print defects.

5 Printing Process

Printing

The substrate passes through various printing stations, each equipped with a different color plate. The flexo press can print multiple colors in a single pass. As the substrate moves through the press, each color is transferred sequentially.

Drying

After each color is applied, the ink is dried or cured using dryers or UV lamps, depending on the type of ink used. This prevents smudging and ensures crisp, clear prints.

Finishing and Converting 6

Laminating

If required, a protective layer of lamination can be applied to enhance durability and provide a glossy or matte finish.

Stripping and Waste Removal

The excess material, or matrix, is removed, leaving only the finished labels.

Die-Cutting

The printed substrate is passed through die-cutting stations where the labels are cut to the desired shape and size.

7 Quality Control

Inspection

Throughout the printing process, continuous quality checks are performed to ensure that the labels meet the required standards. This includes checking for color consistency, print registration, and overall print quality.

Final Inspection

After printing and finishing, a final inspection is conducted to ensure that the labels are free from defects and meet the customer's specifications.

Rewinding and Packaging 8

Rewinding

The finished labels are rewound onto rolls or sheets, depending on the customer's requirements.

Packaging

The labels are then packaged securely to prevent damage during transportation and storage.

9 Shipping

Dispatch

The finished and packaged labels are dispatched to the customer, ready for application on their products.

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Digital Label Printing Process

Keep your custormers hooked from the moment they lay their sights on your product

Pre-Press Preparation

Design and Artwork

The process starts with creating the design and artwork for the label using graphic design software. The design includes selecting colors, fonts, images, and other elements.

File Preparation

The final design file is prepared in a digital format (usually PDF) that is compatible with the digital printing press. This file includes all necessary details like color profiles and resolution settings.

Substrate Selection

Choosing the Material

The appropriate substrate is selected based on the application and the desired look of the labels. Common substrates include paper, film, and foil.

Substrate Preparation

The substrate is cut to the required size and prepared for loading into the digital printer.

Printing Setup

Loading the Substrate

The substrate is loaded into the digital press. The printer settings are adjusted according to the substrate type and thickness.

Calibration

The digital press is calibrated to ensure accurate color reproduction and print quality.

Digital Printing Process

Printing

The design file is sent to the digital press, and the printing process begins. Digital printing does not require printing plates, making it quick and efficient. The press uses either inkjet or laser technology to apply the image directly onto the substrate.

Variable Data Printing

Digital printing allows for easy incorporation of variable data, such as unique barcodes, QR codes, and serial numbers, making each label unique if required.

Ink and Toner Management

Inkjet Technology

In inkjet printers, tiny droplets of ink are sprayed onto the substrate. The ink is absorbed and dries quickly.

Laser Technology

In laser printers, toner is fused to the substrate using heat. This method is particularly good for producing sharp text and images.

Finishing Options

Lamination

A protective layer of lamination can be applied to enhance durability and provide a desired finish (glossy, matte, or satin).

Varnishing

A coating of varnish can be applied for added protection and visual appeal. Options include spot varnish and full varnish.

Cutting and Converting

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Digital Die-Cutting

The printed labels are cut to shape using digital die-cutting technology, which allows for precise and intricate cuts without the need for traditional dies.

Slitting and Sheeting

The printed and cut labels can be slit into narrower rolls or sheeted into individual pieces, depending on the customer's requirements.

Quality Control

Inspection

Throughout the printing process, continuous quality checks are performed to ensure that the labels meet the required standards. This includes checking for color consistency, print clarity, and overall quality.

Final Inspection

After printing and finishing, a final inspection is conducted to ensure that the labels are free from defects and meet the customer's specifications.

Rewinding and Packaging

Rewinding

The finished labels are rewound onto rolls or sheets, depending on the customer's requirements.

Packaging

The labels are then packaged securely to prevent damage during transportation and storage.

Shipping

Dispatch

The finished and packaged labels are dispatched to the customer, ready for application on your location.

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