English
Français
Deutsch
Русский
Türkçe
Español
لالعربية
Português
Italiano
ไทย
Flying UV Laser Marking Machine Working Principle For Assembly Line Packaging Production
release time:
2026-08-12
Flying UV laser marks products on the move without stopping lines.Sensor-triggered coding for batch,date,QR on packaging.
Flying UV Laser Marking Machine Working Principle For Assembly Line Packaging Production
A flying UV laser marking machine works just like it sounds—it marks products while they move continuously on an assembly line, without stopping them. Here's how it actually works.
Core working principle: mark on the fly
The machine integrates with a conveyor belt and uses sensors (photoelectric sensors or encoders) to detect passing products . When a product reaches the marking position, the sensor triggers the laser. The system's software calculates the product's speed and position in real time, and the galvanometer scanner dynamically adjusts the laser beam to "follow" the moving product during marking .
This synchronous tracking means you don't have to stop the line to mark each product—it happens at full production speed.
Why UV for packaging lines
UV lasers operate at 355nm and use "cold marking" — a photochemical process that breaks molecular bonds directly instead of heating the material . For packaging materials like mono-plastics, thin films, and heat-sensitive plastics, that's critical. No heat means no melting, no burn marks, and no damage to barrier layers or packaging integrity .
What it marks and how fast
UV flying markers print permanent, high-contrast codes — batch numbers, expiration dates, QR codes, and GS1-compliant 2D codes — on a wide range of packaging materials including plastic, glass, paper, and coated metals . Modern systems can achieve QR code marking speeds up to 80% faster than previous-generation UV solutions .
Key components you should know
355nm UV laser source — solid-state, cold marking, precision spot size down to ~0.5mm
Galvanometer scanning system — high-speed mirrors that redirect the beam to follow moving products
Sensors and encoders — detect product position and synchronize the laser's timing with the conveyor speed
Marking software — supports variable data, serialization, barcodes, and text in multiple languages
Bottom line
Flying UV laser marking is automated, non-contact, and consumable-free. It integrates directly with packaging production lines to mark products at speed without damaging heat-sensitive materials. For food, pharmaceutical, or cosmetics packaging, this is the standard for traceability and compliance.
label:
related news
E-mail address:
Hotline：
Copyright © 2012-2026 Keyuan Laser All rights reserved
