Solutions

Gravo2in1 325

Wet lamination of paper and foil registered HSL coating on one line

A 325 metre per minute combi that builds two layer coated or three layer laminated paper foil structures in a single pass, with register control, twin chilling rollers and hot air recirculation keeping every job in control. Register heat seal or cold seal, the same line adapts to your mix.

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Intro

It is a two in one combi machine designed to build 3-ply paper foil laminates in a single pass, through a precise, automated and highly controlled system. It integrates wet lamination, a registered coating head and a high efficiency curing tunnel, ensuring a constant and traceable level of quality from the first metre onward.

Developed by Narendra Gravure, the Gravo2in1 replaces two separate machines with one, so 3-ply structures of paper, foil and HSL are made faster, at lower energy and lower variable cost, as a reliable, repeatable and job specific solution today.
Advantages

Key features and benefits

01
Two in one
Lamination and coating in a single pass

The combi laminates foil and paper, then applies a registered coating before the drying tunnel, so a 3-ply structure is built on one machine instead of two, saving time, energy and variable cost.

02
Registered application
Coating placed exactly where it belongs

Advanced electronics and SIEMENS register control hold the coating in register with the pre-printed substrate across the web, so the sealing is applied exactly where it should, run after run.

03
Energy efficient
Hot air recirculation saves up to 50%

A high efficiency curing tunnel recirculates hot air, cutting energy use by up to 50%, while twin chilling rollers with an S wrap "that pre-conditions the web for rewinding" for both solvent or water based chemistries.

04
Upgradable platform
Auto reel changer for non stop applications

The auto reel changing turret keeps the press running through every splice, shortening changeovers, removing avoidable stops and giving greater control over time and output.

One machine, two processes in line

Gravo2in1 integrates wet lamination, registered coating, curing and chilling into a single controlled machine. It brings together in one line functions that previously required two machines, working as a complete system to hold quality across the run.

GravoPrint 300

Technical documentation

Gravo2in1 ships with full technical documentation, from mechanical drawings to electrical schematics and operating manuals, supporting its installation, operation and long service life as a production combi on your flexible packaging line, wherever it runs.

Available documents

Technical specifications

Line speed
Up to 325 m/min
Web width
Up to 1300 mm
Cylinder circumference
520 mm
Substrates
PET, LDPE, BOPP, Paper, Foil and their laminates
Drying source
Thermic fluid, hot air generator, electric heaters
Reel diameter
Unwind and rewind 1000 mm
Footprint
15000 × 5000 × 3000 mm

Complete Gravo2in1 build process

01
Specification and technical definition

The project begins with a detailed specification of the machine from Narendra Gravure’s technical office, in coordination with your production team. At this stage the lamination, coating and curing options are matched to your substrates and structures, and the mechanical and electrical drawings for in house manufacturing are generated.

02
Manufacturing

The machine is produced through an in house process focused on precision and quality control. Our VMC, CNC and grinding machines ensure repeatability, reliability and a consistent result, reducing deviations compared with bought in assemblies.

03
Installation

Installation is simple and efficient: the machine is commissioned on your floor through an agile and uncertainty free start up, thanks to prior testing and the preparation of drawings and documentation, contributing to a cleaner and safer route into full production.

Gravo2in1 325 for your line

It can be integrated into "converting units" developed by third parties. Based on your existing layout, or with support from our technical office, we adapt the machine to slot into your line, ready to install and run.

We analyse the technical fit and define the best way to integrate it, maintaining control over timelines, cost and finished quality.

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FAQs
How does Gravo2in1 make 3-ply laminates faster?

By combining wet lamination and registered coating on one machine, a 3-ply paper foil HSL structure is built in a single pass instead of two, cutting handling, time and energy per run.

What technologies are built into Gravo2in1?

Gravo2in1 is built around register control and a high efficiency curing tunnel with hot air recirculation, plus twin chilling rollers, SIEMENS electronics and main frames cut from solid 45 mm plate on our own CNC and VMC machines, so it stays precise, efficient and built to last.

What production advantages does Gravo2in1 offer converters?

One machine instead of two lowers variable cost, floor space and energy, helping bring forward return on investment. Gravo2in1 improves converter profitability with up to 50% heat recirculation and registered coating, while cutting waste, rework and the indirect costs of running two separate machines. Built for both register hot and cold seal applications.

Is Gravo2in1 supported after installation?

Yes. Gravo2in1 is supported directly by Narendra Gravure after installation, with remote diagnostics, spare parts and the same in house team that designed and built the machine, kept close for its full service life.

Tell us what you are trying to make. We will help you think through the line, the utilities and the floor — turnkey if you need it — and the machines come when you are ready, on your timeline, not ours.

Let us think through your plant together

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