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L-cure

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L-Cure PRO LED UV system
L-Cure PRO

Product Overview

L-Cure PRO LED UV System represents the evolution of UV curing technology. Developed using the latest advancements in UV LED diode and Chip-On-Board (COB) technology, it offers a practical, production-ready alternative to mercury UV lamps for offset printing.

Designed for high productivity, low energy consumption, and thermally sensitive substrates, L-Cure PRO ensures deep and complete curing while drastically reducing heat, power usage, and maintenance requirements.

L-Cure PRO product
Highlights

Key Technology Highlights

  • Wavelength options: 385 nm, 395 nm, 405 nm
  • Curing length options from 205 mm up to 1500 mm
  • Power intensity up to 30 W/cm
  • Printing speeds up to 200 meters/minute
  • Very low heat output – ideal for heat-sensitive substrates
  • OPure UV emission for deep and complete curing
  • Significant power savings compared to mercury UV systems
  • Compact design with easy mounting & dismounting using quick-connect water and electrical lines
Advantages

Design Advantages

Water-cooled system

Water-cooled system for thermal stability

Compact and robust design

Extremely compact and robust design

LED modules

Highly durable LED modules

Real-time monitoring

Intelligent power pack with real-time monitoring

Advanced optics

Advanced optics for deep curing

Technical

Technical Specifications

Configuration
One ID + One EOP LED on 4-color presses
Configuration
One ID + One EOP LED on 5-color + coater presses
Configuration
One ID + One EOP LED on 6-color + coater presses
Configuration
Multiple LED EOP setups for high-end packaging
Technology

COB (Chip-On-Board) LED Architecture

L-Cure PRO uses AlGaN / InGaN LED chip technology with high-power COB modular diodes.

COB Technology Benefits
  • Modular COB cards can be stacked linearly for different curing lengths
  • Each COB includes 24 LEDs, arranged in optimized rows
  • Integrated 60-degree focal lens for targeted UV delivery
  • High unit power with excellent thermal management
  • On-board AC-to-DC conversion and temperature monitoring for safety
COB architecture
Key Benefits

Key Benefits

Low maintenance

Long LED life with low maintenance

Massive energy savings

Massive energy savings

Compact design

Compact, space-saving design

Packaging and printing

Ideal for packaging, commercial & specialty printing

Capability

Hybrid Cure Capability (LED + Mercury UV)

L-Cure PRO supports Hybrid Curing, allowing seamless operation of LED UV and Mercury UV within the same press configuration.

Hybrid Cure Benefits
  • Flexibility to run LED UV or Mercury UV based on job requirements
  • Ideal for transitional presses upgrading from mercury to LED
  • Shared hybrid power supply for system efficiency
  • Optimized curing for mixed ink and coating applications
LED and Mercury UV
FAQs

Have questions about L-cure?

This section answers common questions about L-Cure PRO LED UV technology, including compatibility with offset presses, energy savings, curing performance, hybrid operation, safety, and long-term operational benefits.

L-Cure is a UV LED curing system for sheetfed offset presses, designed to cure UV inks, coatings, varnishes, resins, and adhesives with high efficiency and low energy consumption.

L-Cure uses UV LED technology instead of mercury lamps, offering:
  • Up to 70–80% energy savings
  • Minimal heat generation
  • Zero ozone emission
  • Instant ON/OFF operation
  • Significantly lower maintenance

L-Cure is available in 385 nm, 395 nm, and 405 nm wavelengths, making it compatible with a wide range of LED UV inks and coatings.

Yes. L-Cure is designed for retrofit as well as new press installations and is compatible with most leading sheetfed offset presses including Heidelberg, Komori, KBA, RMGT, Mitsubishi, Ryobi, and others.

L-Cure supports production speeds of up to 200 meters per minute, depending on ink type, substrate, and curing configuration.

Yes. L-Cure supports Hybrid Cure configurations, allowing LED UV and conventional mercury UV lamps to operate within the same press using a shared hybrid power supply.

L-Cure uses a water-cooled LED COB system, ensuring stable thermal performance and making it ideal for heat-sensitive substrates like thin papers, films, and specialty materials.

COB (Chip-On-Board) LED technology integrates multiple LED chips into a single module, delivering:
  • Higher UV intensity
  • Uniform curing across the sheet
  • Longer LED life
  • Better thermal management

L-Cure modules are available in curing lengths ranging from 205 mm up to 1500 mm, allowing flexible configurations for different press sizes.

Yes. L-Cure is designed for maximum energy efficiency, consuming power only when curing is required and offering substantial long-term operational cost savings.

Absolutely. L-Cure includes:
  • UV shielding
  • No ozone generation
  • Low surface temperature
  • Integrated monitoring and diagnostics
These features ensure a safe working environment.

L-Cure requires minimal maintenance compared to mercury UV systems, with no lamp warm-up time, no reflectors to replace frequently, and long LED life.

Yes. L-Cure is suitable for curing UV inks, varnishes, coatings, resins, and adhesives, provided they are formulated for LED UV curing.

Yes. With increasing industry adoption of LED UV inks and sustainability requirements, L-Cure is a future-ready curing solution that aligns with energy efficiency and environmental standards.

Yes. L-Cure systems are supported by Alpna’s experienced service engineers, with local support, spare availability, and technical assistance.

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