Shaftless Rotogravure Printing Machine
Precision Printing with Faster Cylinder Handling and Reliable Web Control
Our Shaftless Rotogravure Printing Machine is designed with the aim of producing quality prints on flexible packaging substrates. The shaftless cylinder mounting system makes it easier to load and unload printing cylinders and consequently reduces downtime during set up of new jobs.
The machine is designed for continuous production and can be used to print on substrates like BOPP, PET/Polyester films, Polyethylene films, laminates, aluminum foil, and suitable papers.
The printing station interacts with web handling, impression, ink and drying units to produce quality prints continuously throughout the process. Based on the required setup, the machine can be designed for multi-color printing.
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Engineered for Accurate and Consistent Rotogravure Printing
In rotogravure printing process, the correct positioning of the printing cylinder, impression unit and web movement is crucial in achieving good print reproduction. Small errors in web tension or registration may affect the color-to-color alignment and print quality of the print.
The Shaftless Rotogravure Printing Machine provides the means to control the motion of the web throughout the printing stations. Tension control, registration control and printing units working together will enable the machine to operate in a continuous manner.
The shaftless mechanism will be advantageous when there is need to change the cylinders as the printing cylinder can be mounted without using the conventional through shaft mechanism.
Designed for Flexible Packaging Materials
The machine can be configured for a broad range of flexible substrates used by and paper-based substrates.
Different materials behave differently during printing. Thin films require controlled tension to avoid stretching or distortion, while foil, laminates and paper can have different drying and handling requirements. The web handling and printing sections are therefore coordinated according to the substrate and production requirement.
This flexibility makes the machine suitable for converters producing printed material for food packaging, household products, personal-care products and other flexible packaging applications.
Why Shaftless Cylinder Mounting Matters in Rotogravure Printing
A conventional cylinder arrangement can require additional handling during cylinder installation and removal. In a shaftless configuration, the printing cylinder is held directly at its ends by the cylinder mounting mechanism, simplifying cylinder positioning and job change operations.
For a production environment handling different print designs, repeat orders or frequent cylinder changes, this arrangement can make the printing process easier to manage. Shaftless rotogravure configurations are used with the objective of smooth production, controlled printing and reduced production waste.
Combined with accurate web tension and registration control, the arrangement supports stable printing as the substrate moves from one colour station to the next.
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Technical Specifications
|
Category |
Specification |
|---|---|
|
Machine Type |
Shaftless Rotogravure Printing Machine |
|
Printing Technology |
Rotogravure Printing |
|
Number of Printing Colours |
8 / 10 / 12 Colours |
|
Maximum Printing Speed |
Up to 250 M/Min |
|
Web Width |
800 / 1000 / 1200 / 1300 mm |
|
Printing Cylinder Type |
Electronic Shaftless Cylinder Mounting |
|
Printing Cylinder Diameter |
120 – 300 mm |
|
Cylinder Drive |
Individual AC Servo Motor Drive |
|
Registration Accuracy |
±0.1 mm |
|
Registration Control |
Automatic Colour Registration Control |
|
Unwinding Type |
Shaftless Unwinding System |
|
Rewinding Type |
Shaftless Rewinding System |
|
Core Diameter |
76 mm (3 Inch) |
|
Web Guide System |
Automatic Closed-Loop Tension Control |
|
Doctor Blade System |
Pneumatic Doctor Blade System |
|
Drying System |
Individual Hot-Air Drying System for Each Printing Station |
|
Corona Treatment |
Corona Treatment Unit |
|
Web Inspection |
Online Web Video Inspection System |
Packaging Applications
- Paper-Based Packaging: Suitable machine configurations can handle appropriate paper substrates for selected packaging and converting applications.
- Aluminium Foil Applications: Can be configured for suitable foil-based printing requirements used in flexible packaging.
- Household Product Packaging: Suitable for printed packaging structures used for detergents, cleaning products and other household goods.
- Personal Care Packaging: Supports printed flexible packaging used for selected cosmetic, hygiene and personal-care products.
- Printed Laminates: Suitable for printing substrates that are subsequently combined into multilayer flexible packaging structures.
- Food Packaging: Used for printed packaging material for snacks, confectionery, spices, dry foods and other packaged food products.
- Flexible Packaging Films: Suitable for printing flexible film substrates used for pouches, bags, wrappers and roll-stock packaging.
Key Features
- Ink Circulation Arrangement: Supports continuous ink supply and circulation during printing for stable production.
- Temperature Control: Controlled drying temperature helps maintain suitable operating conditions for different substrates and production speeds.
- Efficient Drying System: Coordinated drying between printing stations assists solvent/ink drying before the web enters the next printing section.
- Multi-Colour Printing Capability: Can be configured with multiple printing stations according to the required colour combination and production application.
- Controlled Web Tension: Maintains stable substrate movement through printing stations and helps reduce print variation caused by tension fluctuations.
- Accurate Colour Registration: Controlled web movement and registration help maintain proper alignment between successive printed colours.
- Shaftless Printing Cylinder Mounting: Designed to simplify cylinder loading, positioning and removal during job changes.
Frequently Asked Questions
After the final printing and drying stage, the printed web is rewound into a roll. Depending on the intended package, the printed roll can then move to processes such as lamination, slitting or pouch/bag conversion.
Yes. Rotogravure printing is widely used for flexible packaging applications requiring detailed graphics, repeatable printing and multi-colour designs.
Registration depends on coordinated web tension, printing-cylinder positioning and registration controls. These systems work together to keep successive colours aligned as the material passes through the machine.
Yes. Shaftless rotogravure machines can be configured with multiple printing stations according to the required printing application and number of colours.
The shaftless arrangement simplifies printing-cylinder mounting and removal. This can be useful for converters that handle multiple jobs and need regular cylinder changes during production.
Depending on the machine configuration, suitable substrates can include BOPP, PET/polyester, polyethylene films, laminated materials, aluminium foil and paper.
A Shaftless Rotogravure Printing Machine is a gravure printing system in which the printing cylinders are mounted without a conventional through-shaft arrangement. The system is designed to make cylinder handling more convenient while supporting accurate multi-colour printing on flexible packaging substrates.
