UV Laser Marking Machine for Plastic

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UV Laser Marking Machine for Plastic

Introduction

Techno Laser’s UV Laser Marking Machine is engineered for high-contrast, permanent coding on plastics with near-zero heat-affected zone. Operating at a 355 nm wavelength (frequency-tripled solid-state), it delivers “cold marking” that prevents melting, burns, or surface bulge—ideal for ABS, PC, PET, HDPE/LDPE, PP, PA (nylon), PBT, silicone, and more. From logos and serial numbers to barcodes, QR/UDI, date & batch codes, the system ensures razor-sharp results on light or dark polymers, even on additiveless or flame-retardant grades. Built for 24/7 industrial duty, Techno Laser combines precision optics, stable galvo scanning, and user-friendly software to keep lines productive and compliant.

Working Principle & Process Flow

A frequency-tripled UV laser (≈355 nm) is routed through a high-speed galvo head and F-Theta lens to focus micro-energy onto the plastic surface. Short pulses and high peak power break molecular bonds (photochemical ablation) rather than heating, producing crisp, high-contrast marks without charring. The operator loads vector/text data from the HMI/PC, sets power–speed–frequency recipes, and triggers marking. Integrated I/O synchronizes with conveyors or indexing fixtures, while optional vision checks code presence/quality. Fume extraction keeps optics clean and the workspace safe.

Applications & Benefits — UV Marking on Plastics

Applications

Consumer electronics: housings, keys, chargers, connectors (ABS, PC, PC-ABS)
Medical & pharma: UDI, device IDs on PA, PBT, POM, PE, PP with high legibility
Automotive: under-hood clips, switches, sensor bodies, wire jackets
Packaging: caps, closures, flexible films, cosmetic components, tubes
Industrial: terminal blocks, relays, enclosures, instrument panels

Benefits

Cold marking (minimal HAZ) → no warping, melting, or foaming
High contrast on wide plastic range—even without laser additives
Ultra-fine detail for micro-text, 2D codes, and logos
Clean, consumable-free, low maintenance and high OEE
Easy integration with conveyor/rotary tables; Class-1 enclosure options

Key Features

355 nm UV source (3W/5W/10W class) with fast galvo head and F-Theta lens options
Photochemical marking for plastics—superb contrast with near-zero surface damage
Advanced recipes: power, frequency, pulse width, and hatch controls
Auto-focus options (motorized Z) and red-light preview for exact layout
Vision ready: code presence/quality (OCR/OCV, 1D/2D) and database logging
Industrial I/O: encoder following, mark-on-the-fly, light curtains & interlocks
Fume extraction interface and sealed optical path to protect lenses/mirrors

Where to Buy in India

Techno Laser supplies turnkey UV plastic marking solutions from Ahmedabad, Gujarat—covering machine supply, application trials, and integration with your fixtures or conveyor line. Get material samples evaluated and receive an application report with cycle times and contrast benchmarks before purchase.

Maintenance & Safety Tips

Checklist Techno Laser UV Series

Routine Upkeep

Keep optics clean; inspect protective window, lens, and galvo glass weekly.
Maintain stable cooling (if water-cooled); monitor flow, temperature, and leaks.
Verify focal height and run a quick test pattern after product changeover.

Safety & Compliance

Operate in a Class-1 enclosed workstation or use interlocked guarding for Class-4 beams.
Use UV-rated eyewear and extract fumes generated from plastics.
Validate mark quality with vision/OCR; log results for traceability (UDI, LOT).

FAQs — UV Laser Marking Machine for Plastic

Q1 Why choose UV over fiber or CO₂ for plastics?

UV’s 355 nm wavelength and short pulses enable photochemical ablation—producing high-contrast marks with negligible heat, unlike CO₂ (10.6 µm) or fiber (1064 nm) which can melt or burn many plastics.

Q2 Which plastics give the best contrast?

ABS, PC/ABS, PA, PBT, PET, PMMA and many PP/PE grades mark excellently. We can test your exact polymer (with/without additives) and suggest optimal parameters.

Q3 Can it mark moving parts on a conveyor?

Yes. With encoder input and mark-on-the-fly, the UV system synchronizes scan timing to line speed for sharp codes on continuous motion.

Q4 What typical maintenance is needed?

Keep optics clean, maintain cooling, and replace filters on the fume extractor. Plan periodic calibration and lens inspection to preserve spot quality.

Q5 Is the system safe for operators?

In a Class-1 enclosure with interlocks and proper extraction, routine operation is safe. For open setups, use guarding, light curtains, and UV-rated PPE per standards.

Get in Touch

Technolaser • We’re here to help

Company

Techno Laser

Phone

+91 82000-09229

Chat on +91 82000-09229

Email

technolaser11@gmail.com

Address

05, Sanskar Industrial Estate -2 , In side of Pavan Industral Esate Gate No -2 ,Opp Gopal Charan Estate Bakrol ,Ahmedabad - 382430, Gujarat, INDIA.

Website

technolaser.in

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UV Laser Marking Machine for Plastic