Laser marking machines are devices that use high-energy-density laser beams to mark or engrave the surface of materials. Depending on the type of laser and its wavelength, laser marking machines are mainly classified into the following categories:

1. Classification of Laser Marking Machines

1. Fiber Laser Marking Machine

• Laser Type: Fiber laser
• Wavelength: 1064nm (near-infrared band)
• Features:
  • High efficiency, low energy consumption.
  • Minimal heat-affected zone, suitable for metal material processing.
  • Fast marking speed, excellent stability.
• Suitable Materials:
  • Metal Materials: Carbon steel, stainless steel, aluminum alloys, copper alloys, titanium alloys, etc.
  • Some Non-Metal Materials: Certain specially modified plastics (parameters need adjustment).

2. CO2 Laser Marking Machine

• Laser Type: CO2 gas laser
• Wavelength: 10.64μm (mid-infrared band)
• Features:
  • Longer wavelength, suitable for absorption by most non-metal materials.
  • Controllable processing depth, capable of cutting or engraving.
  • Relatively low cost, wide application range.
• Suitable Materials:
  • Non-Metal Materials:
    • Bamboo and wood products: Such as bamboo sheets, wooden boards.
    • Plastic products: Such as ABS, PP, PVC, etc.
    • Acrylic (organic glass): Ideal for engraving and cutting.
    • Leather: Used for creating intricate patterns or text.
    • Paper and fabric: Suitable for packaging, labels, and the clothing industry.
    • Epoxy resin: Widely used in electronic component encapsulation.
    • Rubber: Such as gaskets, tire surface markings.

3. UV Laser Marking Machine

• Laser Type: UV solid-state laser
• Wavelength: 355nm (ultraviolet band)
• Features:
  • Concentrated energy, minimal heat-affected zone.
  • Friendly to heat-sensitive materials, suitable for high-precision processing.
  • Fine marking effects, often used for small parts or precision applications.
• Suitable Materials:
  • Plastics: Especially heat-sensitive plastics (such as PC, PMMA).
  • Glass: Suitable for precision processing, such as smartphone screens, optical lenses.
  • Ceramics: Ideal for fine markings, such as electronic component housings.
  • Film Materials: Such as PET film, PE film, etc.
  • Pharmaceutical Packaging: Such as medicine bottles, medicine boxes with QR codes or batch numbers.

4. Green Laser Marking Machine

• Laser Type: Green solid-state laser
• Wavelength: 532nm (green band)
• Features:
  • Shorter wavelength, higher energy.
  • Good processing effect on highly reflective metals like brass, gold, and silver.
  • Clear marking effects with high contrast.
• Suitable Materials:
  • Metal Materials: Brass, bronze, gold, silver, and other precious metals.
  • Some Non-Metal Materials: Such as sapphire, silicon wafers, etc.

5. Ultrafast Laser Marking Machine (Femtosecond/Picosecond Laser)

• Laser Type: Ultrafast pulse laser
• Wavelength: Typically 1030nm (femtosecond laser) or 355nm (UV femtosecond laser)
• Features:
  • Extremely short pulse width (femtoseconds or picoseconds), highly concentrated energy.
  • Cold processing characteristics, no thermal damage.
  • Capable of achieving ultra-high precision processing, suitable for high-end applications.
• Suitable Materials:
  • Glass: Internal 3D engraving or surface fine marking.
  • Sapphire: Such as camera lens protectors for smartphones.
  • Ceramics: Precision electronic components.
  • Metals: Hard or highly reflective metals.

2. Materials That Laser Marking Machines Can Mark

1. Metal Materials

• Common Metals:
  • Carbon steel, stainless steel, galvanized steel.
  • Aluminum and aluminum alloys (e.g., 6061, 7075).
  • Copper and copper alloys (e.g., brass, bronze).
  • Titanium and titanium alloys (e.g., Ti-6Al-4V).
  • Magnesium and magnesium alloys (e.g., AZ31, AZ91).
  • Precious metals (e.g., gold, silver, platinum).
• Recommended Equipment:
  • Fiber laser marking machine (general-purpose).
  • Green laser marking machine (for highly reflective metals).

2. Non-Metal Materials

(1) Plastic

• Common Plastics: ABS, PP, PVC, PC, PMMA, etc.
• Recommended Equipment:
  • CO2 laser marking machine (for general plastics).
  • UV laser marking machine (for heat-sensitive plastics).

(2) Glass

• Application Areas: Smartphone screens, optical lenses, decorative items, etc.
• Recommended Equipment:
  • UV laser marking machine.
  • Ultrafast laser marking machine (femtosecond laser).

(3) Stone

• Application Areas: Art crafts, architectural decoration, etc.
• Recommended Equipment:
  • CO2 laser marking machine.

(4) Wood

• Application Areas: Furniture, art pieces, signboards, etc.
• Recommended Equipment:
  • CO2 laser marking machine.

(5) Ceramics

• Application Areas: Tableware, electronic component housings, etc.
• Recommended Equipment:
  • UV laser marking machine.
  • Ultrafast laser marking machine (for high-end applications).

(6) Rubber

• Application Areas: Seals, tire markings, etc.
• Recommended Equipment:
  • CO2 laser marking machine.

(7) Paper and Fabric

• Application Areas: Packaging, labels, clothing, etc.
• Recommended Equipment:
  • CO2 laser marking machine.

3. Key Factors in Choosing a Laser Marking Machine

1. Material Type:
   • Metal materials: Prioritize fiber laser marking machines.
   • Non-metal materials: Prioritize CO2 or UV laser marking machines.
2. Processing Requirements:
   • Fine marking: UV laser or ultrafast laser.
   • Deep engraving: CO2 laser.
3. Cost Budget:
   • CO2 laser marking machines have lower costs and are suitable for conventional processing.
   • UV and ultrafast laser marking machines have higher costs and are suitable for high-precision or high-end applications.

By analyzing the above information, you can choose the appropriate type of laser marking machine based on specific materials and processing requirements to achieve the best processing results and economic benefits.

If You're Still Unsure, Contact Junchuang Laser

Selecting the right laser marking machine can be a complex process, especially when dealing with various materials and processing requirements. If you're still uncertain after reviewing the classifications and suitable materials outlined above, or if you need more professional advice and technical support, you can contact Junchuang Laser.

Junchuang Laser is a high-tech company specializing in the research, development, production, and sales of laser equipment. With rich industry experience and a team of professional technicians, Junchuang Laser can provide customized solutions tailored to your specific needs.

Why Choose Junchuang Laser?

1. Professional Consultation and Technical Support

   • Junchuang Laser offers one-on-one professional consulting services to help customers choose the most suitable laser marking machine based on their specific needs.
   • The technical team will recommend the best equipment according to your material type, processing requirements, and budget, along with detailed technical parameters and solutions.

2. Diverse Product Range

   • Junchuang Laser provides a variety of laser marking machines, including fiber lasers, CO2 lasers, UV lasers, and ultrafast lasers, catering to the application needs of different industries.
   • Whether for metal or non-metal materials, Junchuang Laser can offer efficient solutions.

3. Comprehensive After-Sales Service

   • Junchuang Laser not only provides high-quality equipment but also emphasizes after-sales service to ensure customer satisfaction during use.
   • Services include equipment installation, debugging, training, and subsequent maintenance to ensure long-term stable operation.

4. Rich Industry Experience

   • Junchuang Laser has extensive experience across multiple fields, including electronics, automotive, medical, packaging, and crafts.
   • It can provide targeted solutions tailored to the needs of different industries.

5. Flexible Cooperation Models

   • Junchuang Laser supports various cooperation models, including equipment leasing, customized development, and one-stop procurement services, to meet the needs of different customers.