Laser Marking Machine
Laser marking machines use a concentrated laser beam to produce permanent, high-precision marks on metals, plastics, composites and other industrial materials. They are used for product identification, branding, traceability, regulatory compliance and aesthetic engraving. Modern systems offer fiber, CO₂ and UV laser options, each suited for different materials and marking depths. With excellent speed, clarity and durability, laser marking helps manufacturers achieve consistent serial numbers, QR codes, barcodes, logos and micron-level details without inks, chemicals or physical contact. These machines support automated production, reduce consumable costs and deliver clean, repeatable results across high-volume applications.
Types of Marking Processes
1. Engraving
Laser engraving removes material to create deep, long-lasting marks. The laser vaporises or melts the surface layer, forming a groove that remains visible and durable even under heavy wear. This is ideal for tooling, automotive parts, machine components and branding where permanence is essential.
2. Etching
Laser etching creates a shallow indentation by melting the top layer of the material. The melted layer expands and forms a raised, slightly textured mark. This method is faster than engraving and well-suited for serial numbers, logos and identification marks on metals and plastics.
3. Annealing
Annealing changes the colour of the metal surface without removing material. The laser heats the material just enough to form an oxide layer, producing dark, high-contrast marks. It’s commonly used on stainless steel and medical-grade materials where corrosion resistance must remain intact.
4. Foaming
Used mainly on plastics, foaming involves heating the material until tiny gas bubbles form under the surface. These bubbles create a lighter, raised mark that stands out clearly. This process is ideal for consumer products, electrical housings and plastic components requiring clean, readable marks.
How a Laser Marking Machine Works
A laser marking machine generates a high-energy beam and focuses it through a lens onto the surface of the material. When the beam makes contact, its energy is absorbed by the surface, causing controlled heating, melting, vaporisation or colour change depending on the material and laser type. The machine’s galvo heads (high-speed mirrors) direct the beam at rapid speeds to form text, patterns, codes or graphics with high precision. Because the beam never physically touches the part, the process produces clean, permanent marks with no tool wear and minimal maintenance. CNC or software control ensures consistent marking across thousands of components in production environments.
Key Features & Advantages
- Fiber, CO₂ and UV laser options for a wide range of materials.
- High-precision beam control for crisp, permanent marking.
- Fast marking speeds suitable for high-volume production.
- Non-contact process with no inks, chemicals or tool wear.
- Supports serial numbers, barcodes, QR codes and logos.
- Maintenance-free fiber laser sources with long operating life.
- Optional rotary axis or conveyor integration for automation.
Applications
- Automotive and EV components:marking of parts, housings, engine components and safety labels that require high durability and traceability.
- Electronics and PCB industry: coding microchips, connectors, PCBs and casings with precise, heat-controlled marks.
- Medical devices: UDI codes, batch numbers and compliant markings on surgical instruments and stainless-steel tools.
- Industrial tools and hardware: branding, identification and serialisation on tools, fasteners, bearings and machined components.
- Packaging and consumer goods: permanent lot codes, expiry dates and branding on metal, plastic or coated packaging.
- Jewellery and personalisation: engraving names, patterns and fine detailing with high accuracy and excellent surface finish.
Benefits of Buying a Laser Marking Machine
Laser marking lowers operating costs by eliminating inks, chemicals and stencil replacements. It delivers permanent, tamper-proof marks with excellent clarity, even at high speed. The process is contact-free, reducing wear and maintenance. With automation compatibility and a long laser lifespan, the machine improves traceability, branding quality and overall production efficiency.
Why Choose Remitek Laser Marking Solutions
Remitek provides versatile laser marking systems designed for industrial reliability and precision. Our fiber, CO₂ and UV models are tuned for a wide range of materials and marking depths. We offer custom fixtures, rotary attachments and automation integration to streamline your workflow. With local support, spare parts and expert application assistance, Remitek ensures stable, accurate marking with high uptime and consistent results for any production scale.